cleanup style; no functional changes

utils/chroot_realpath.c

@@ -29,14 +29,14 @@
 #include <stdio.h>
 #include <string.h>
 #include <strings.h>
-#include <limits.h>				/* for PATH_MAX */
-#include <sys/param.h>			/* for MAXPATHLEN */
+#include <limits.h>		/* for PATH_MAX */
+#include <sys/param.h>		/* for MAXPATHLEN */
 #include <errno.h>
 #ifndef __set_errno
 #define __set_errno(val) ((errno) = (val))
 #endif
 
-#include <sys/stat.h>			/* for S_IFLNK */
+#include <sys/stat.h>		/* for S_IFLNK */
 
 #ifndef PATH_MAX
 #define PATH_MAX _POSIX_PATH_MAX
@@ -44,7 +44,8 @@
 
 #define MAX_READLINKS 32
 
-char *chroot_realpath(const char *chroot, const char *path, char resolved_path[])
+char *chroot_realpath(const char *chroot, const char *path,
+		      char resolved_path[])
 {
 	char copy_path[PATH_MAX];
 	char link_path[PATH_MAX];
@@ -103,7 +104,7 @@ char *chroot_realpath(const char *chroot, const char *path, char resolved_path[]
 					if (new_path == got_path_root + 1)
 						continue;
 					/* Handle ".." by backing up. */
-					while ((--new_path)[-1] != '/');
+					while ((--new_path)[-1] != '/') ;
 					continue;
 				}
 			}
@@ -144,7 +145,7 @@ char *chroot_realpath(const char *chroot, const char *path, char resolved_path[]
 				new_path = got_path_root;
 			else
 				/* Otherwise back up over this component. */
-				while (*(--new_path) != '/');
+				while (*(--new_path) != '/') ;
 			/* Safe sex check. */
 			if (strlen(path) + n >= PATH_MAX - 2) {
 				__set_errno(ENAMETOOLONG);
@@ -155,7 +156,7 @@ char *chroot_realpath(const char *chroot, const char *path, char resolved_path[]
 			strcpy(copy_path, link_path);
 			path = copy_path;
 		}
-#endif							/* S_IFLNK */
+#endif				/* S_IFLNK */
 		*new_path++ = '/';
 	}
 	/* Delete trailing slash but don't whomp a lone slash. */

utils/ldconfig.c

@@ -44,16 +44,15 @@
 
 #define BUFFER_SIZE 4096
 
-struct exec
-{
-  unsigned long a_info;		/* Use macros N_MAGIC, etc for access */
-  unsigned a_text;		/* length of text, in bytes */
-  unsigned a_data;		/* length of data, in bytes */
-  unsigned a_bss;		/* length of uninitialized data area for file, in bytes */
-  unsigned a_syms;		/* length of symbol table data in file, in bytes */
-  unsigned a_entry;		/* start address */
-  unsigned a_trsize;		/* length of relocation info for text, in bytes */
-  unsigned a_drsize;		/* length of relocation info for data, in bytes */
+struct exec {
+	unsigned long a_info;	/* Use macros N_MAGIC, etc for access */
+	unsigned a_text;	/* length of text, in bytes */
+	unsigned a_data;	/* length of data, in bytes */
+	unsigned a_bss;		/* length of uninitialized data area for file, in bytes */
+	unsigned a_syms;	/* length of symbol table data in file, in bytes */
+	unsigned a_entry;	/* start address */
+	unsigned a_trsize;	/* length of relocation info for text, in bytes */
+	unsigned a_drsize;	/* length of relocation info for data, in bytes */
 };
 
 #if !defined (N_MAGIC)
@@ -66,7 +65,7 @@ struct exec
 #define NMAGIC 0410
 /* Code indicating demand-paged executable.  */
 #define ZMAGIC 0413
-/* This indicates a demand-paged executable with the header in the text. 
+/* This indicates a demand-paged executable with the header in the text.
    The first page is unmapped to help trap NULL pointer references */
 #define QMAGIC 0314
 /* Code indicating core file.  */
@@ -104,27 +103,26 @@ char *cachefile = LDSO_CACHE;	/* default cache file */
 char *chroot_dir = NULL;
 int byteswap = 0;
 
-struct needed_tab
-{
-  char *soname;
-  int type;
+struct needed_tab {
+	char *soname;
+	int type;
 };
 
 struct needed_tab needed_tab[] = {
-  { "libc.so.0",    LIB_ELF_LIBC0 },
-  { "libm.so.0",    LIB_ELF_LIBC0 },
-  { "libdl.so.0",   LIB_ELF_LIBC0 },
-  { "libc.so.5",    LIB_ELF_LIBC5 },
-  { "libm.so.5",    LIB_ELF_LIBC5 },
-  { "libdl.so.1",   LIB_ELF_LIBC5 },
-  { "libc.so.6",    LIB_ELF_LIBC6 },
-  { "libm.so.6",    LIB_ELF_LIBC6 },
-  { "libdl.so.2",   LIB_ELF_LIBC6 },
-  { NULL,           LIB_ELF }
+	{"libc.so.0", LIB_ELF_LIBC0},
+	{"libm.so.0", LIB_ELF_LIBC0},
+	{"libdl.so.0", LIB_ELF_LIBC0},
+	{"libc.so.5", LIB_ELF_LIBC5},
+	{"libm.so.5", LIB_ELF_LIBC5},
+	{"libdl.so.1", LIB_ELF_LIBC5},
+	{"libc.so.6", LIB_ELF_LIBC6},
+	{"libm.so.6", LIB_ELF_LIBC6},
+	{"libdl.so.2", LIB_ELF_LIBC6},
+	{NULL, LIB_ELF}
 };
 
-extern char *chroot_realpath(const char *chroot, const char *path, char resolved_path[]);
-
+extern char *chroot_realpath(const char *chroot, const char *path,
+			     char resolved_path[]);
 
 /* These two are used internally -- you shouldn't need to use them */
 static void verror_msg(const char *s, va_list p)
@@ -178,21 +176,20 @@ static void warn(const char *s, ...)
 
 static void *xmalloc(size_t size)
 {
-    void *ptr;
-    if ((ptr = malloc(size)) == NULL)
-	err(EXIT_FATAL,"out of memory");
-    return ptr;
+	void *ptr;
+	if ((ptr = malloc(size)) == NULL)
+		err(EXIT_FATAL, "out of memory");
+	return ptr;
 }
 
 static char *xstrdup(const char *str)
 {
-    char *ptr;
-    if ((ptr = strdup(str)) == NULL)
-	err(EXIT_FATAL,"out of memory");
-    return ptr;
+	char *ptr;
+	if ((ptr = strdup(str)) == NULL)
+		err(EXIT_FATAL, "out of memory");
+	return ptr;
 }
 
-
 #undef __ELF_NATIVE_CLASS
 #undef readsonameXX
 #define readsonameXX readsoname32
@@ -204,477 +201,426 @@ static char *xstrdup(const char *str)
 #define readsonameXX readsoname64
 #define __ELF_NATIVE_CLASS 64
 #include "readsoname2.c"
-
-char *readsoname(char *name, FILE *infile, int expected_type, 
+char *readsoname(char *name, FILE *infile, int expected_type,
 		 int *type, int elfclass)
 {
-  char *res;
+	char *res;
 
-  if (elfclass == ELFCLASS32)
-    res = readsoname32(name, infile, expected_type, type);
-  else
-  {
-    res = readsoname64(name, infile, expected_type, type);
+	if (elfclass == ELFCLASS32)
+		res = readsoname32(name, infile, expected_type, type);
+	else {
+		res = readsoname64(name, infile, expected_type, type);
 #if 0
-    *type |= LIB_ELF64;
+		/* relies on multilib support which we dont have ... */
+		*type |= LIB_ELF64;
 #endif
-  }
+	}
 
-  return res;
+	return res;
 }
 
-
-
 /* If shared library, return a malloced copy of the soname and set the
-   type, else return NULL.
-
-   expected_type should be either LIB_ANY or one of the following:-
-   LIB_DLL
-   LIB_ELF
-   LIB_ELF_LIBC5
-   LIB_ELF_LIBC6
-
-   If the lib is ELF and we can not deduce the type the type will
-   be set based on expected_type.
-
-   If the expected, actual/deduced types missmatch we display a warning
-   and use the actual/deduced type.
-*/
+ * type, else return NULL.
+ *
+ * expected_type should be either LIB_ANY or one of the following:-
+ * LIB_DLL
+ * LIB_ELF
+ * LIB_ELF_LIBC5
+ * LIB_ELF_LIBC6
+ *
+ * If the lib is ELF and we can not deduce the type the type will
+ * be set based on expected_type.
+ *
+ * If the expected, actual/deduced types missmatch we display a warning
+ * and use the actual/deduced type.
+ */
 char *is_shlib(const char *dir, const char *name, int *type,
-	int *islink, int expected_type)
+	       int *islink, int expected_type)
 {
-    char *good = NULL;
-    char *cp, *cp2;
-    FILE *file;
-    struct exec exec;
-    ElfW(Ehdr) *elf_hdr;
-    struct stat statbuf;
-    char buff[BUFFER_SIZE];
-    char real[BUFFER_SIZE];
-    static int byteswapflag = -1;	/* start with byte-order unknown */
-
-    /* see if name is of the form *.so* */
-    if (name[strlen(name)-1] != '~' && (cp = strstr(name, ".so")))
-    {
-	/* find the start of the Vminor part, if any */
-	if (cp[3] == '.' && (cp2 = strchr(cp + 4, '.')))
-	    cp = cp2;
-	else
-	    cp = cp + strlen(cp);
-
-	/* construct the full path name */
-	sprintf(buff, "%s%s%s", dir, (*dir && strcmp(dir, "/")) ?
-		"/" : "", name);
-
-	/* get real path in case of chroot */
-	if (!chroot_realpath(chroot_dir, buff, real))
-	    warn("can't resolve %s in chroot %s", buff, chroot_dir);
-
-	/* first, make sure it's a regular file */
-	if (lstat(real, &statbuf))
-	    warn("skipping %s", buff);
-	else if (!S_ISREG(statbuf.st_mode) && !S_ISLNK(statbuf.st_mode))
-	    warnx("%s is not a regular file or symlink, skipping", buff);
-	else
-	{
-	    /* is it a regular file or a symlink */
-	    *islink = S_ISLNK(statbuf.st_mode);
-
-	    /* then try opening it */
-	    if (!(file = fopen(real, "rb")))
-		warn("skipping %s", buff);
-	    else
-	    {
-		/* now make sure it's a shared library */
-		if (fread(&exec, sizeof exec, 1, file) < 1)
-		    warnx("can't read header from %s, skipping", buff);
-		else if (N_MAGIC(exec) != ZMAGIC && N_MAGIC(exec) != QMAGIC &&
-			 N_MAGIC_SWAP(exec) != ZMAGIC && N_MAGIC_SWAP(exec) != QMAGIC)
-		{
-		    elf_hdr = (ElfW(Ehdr) *) &exec;
-		    if (elf_hdr->e_ident[0] != 0x7f ||
-			    strncmp(&elf_hdr->e_ident[1], "ELF",3) != 0)
-		    {
-			/* silently ignore linker scripts */
-			if (strncmp((char *)&exec, "/* GNU ld", 9) != 0)
-			    warnx("%s is not a shared library, skipping", buff);
-		    }
-		    else
-		    {
-			/* always call readsoname to update type */
-			if(expected_type == LIB_DLL) {
-			    warnx("%s is not an a.out library, it's ELF!", buff);
-			    expected_type=LIB_ANY;
-			}
-			*type = LIB_ELF;
-			good = readsoname(buff, file, expected_type, type, 
-				elf_hdr->e_ident[EI_CLASS]);
-			if (byteswapflag == -1)
-			    /* byte-order detected */
-			    byteswapflag = byteswap;
-			if (good == NULL || *islink)
-			{
-			    if (good != NULL)
-				free(good);
-			    good = xstrdup(name);
-			}
-			else
-			{
-			    /* if the soname does not match the filename,
-			       issue a warning, but only in debug mode. */
-			    int len = strlen(good);
-			    if (debug && (strncmp(good, name, len) != 0 ||
-					(name[len] != '\0' && name[len] != '.')))
-				warnx("%s has inconsistent soname (%s)", buff, good);
-			}
-		    }
-		}
+	char *good = NULL;
+	char *cp, *cp2;
+	FILE *file;
+	struct exec exec;
+	ElfW(Ehdr) *elf_hdr;
+	struct stat statbuf;
+	char buff[BUFFER_SIZE];
+	char real[BUFFER_SIZE];
+	static int byteswapflag = -1;	/* start with byte-order unknown */
+
+	/* see if name is of the form *.so* */
+	if (name[strlen(name) - 1] != '~' && (cp = strstr(name, ".so"))) {
+		/* find the start of the Vminor part, if any */
+		if (cp[3] == '.' && (cp2 = strchr(cp + 4, '.')))
+			cp = cp2;
 		else
-		{
-		    /* Determine byte-order */
-		    byteswap = (N_MAGIC(exec) == ZMAGIC || N_MAGIC(exec) == QMAGIC) ? 0 : 1;
-		    if (byteswapflag == -1)
-			/* byte-order detected */
-			byteswapflag = byteswap;
-
-		    if (*islink)
-			good = xstrdup(name);
-		    else
-		    {
-			good = xmalloc(cp - name + 1);
-			strncpy(good, name, cp - name);
-			good[cp - name] = '\0';
-		    }
-		    if(expected_type != LIB_ANY && expected_type != LIB_DLL)
-		    {
-			warnx("%s is not an ELF library, its an a.out DLL!", buff);
-			expected_type=LIB_ANY;
-		    }
-
-		    *type = LIB_DLL;
-		}
-		fclose(file);
-
-		if (byteswapflag >= 0 && byteswap != byteswapflag)
-		{
-		    byteswapflag = -2;
-		    warnx("mixed byte-order detected, using host byte-order...");
+			cp = cp + strlen(cp);
+
+		/* construct the full path name */
+		sprintf(buff, "%s%s%s", dir, (*dir && strcmp(dir, "/")) ? "/" : "", name);
+
+		/* get real path in case of chroot */
+		if (!chroot_realpath(chroot_dir, buff, real))
+			warn("can't resolve %s in chroot %s", buff, chroot_dir);
+
+		/* first, make sure it's a regular file */
+		if (lstat(real, &statbuf))
+			warn("skipping %s", buff);
+		else if (!S_ISREG(statbuf.st_mode) && !S_ISLNK(statbuf.st_mode))
+			warnx("%s is not a regular file or symlink, skipping", buff);
+		else {
+			/* is it a regular file or a symlink */
+			*islink = S_ISLNK(statbuf.st_mode);
+
+			/* then try opening it */
+			if (!(file = fopen(real, "rb")))
+				warn("skipping %s", buff);
+			else {
+				/* now make sure it's a shared library */
+				if (fread(&exec, sizeof exec, 1, file) < 1)
+					warnx("can't read header from %s, skipping", buff);
+				else if (N_MAGIC(exec) != ZMAGIC
+					 && N_MAGIC(exec) != QMAGIC
+					 && N_MAGIC_SWAP(exec) != ZMAGIC
+					 && N_MAGIC_SWAP(exec) != QMAGIC) {
+					elf_hdr = (ElfW(Ehdr) *) & exec;
+					if (elf_hdr->e_ident[0] != 0x7f ||
+					    strncmp(elf_hdr->e_ident+1, "ELF", 3) != 0)
+					{
+						/* silently ignore linker scripts */
+						if (strncmp((char *)&exec, "/* GNU ld", 9) != 0)
+							warnx("%s is not a shared library, skipping", buff);
+					} else {
+						/* always call readsoname to update type */
+						if (expected_type == LIB_DLL) {
+							warnx("%s is not an a.out library, it's ELF!", buff);
+							expected_type = LIB_ANY;
+						}
+						*type = LIB_ELF;
+						good = readsoname(buff, file, expected_type, type,
+						                  elf_hdr->e_ident[EI_CLASS]);
+						if (byteswapflag == -1)
+							/* byte-order detected */
+							byteswapflag = byteswap;
+						if (good == NULL || *islink) {
+							if (good != NULL)
+								free(good);
+							good = xstrdup(name);
+						} else {
+							/* if the soname does not match the filename,
+							   issue a warning, but only in debug mode. */
+							int len = strlen(good);
+							if (debug && (strncmp(good, name, len) != 0
+							    || (name[len] != '\0' && name[len] != '.')))
+								warnx("%s has inconsistent soname (%s)", buff, good);
+						}
+					}
+				} else {
+					/* Determine byte-order */
+					byteswap = (N_MAGIC(exec) == ZMAGIC || N_MAGIC(exec) == QMAGIC) ? 0 : 1;
+					if (byteswapflag == -1)
+						/* byte-order detected */
+						byteswapflag = byteswap;
+
+					if (*islink)
+						good = xstrdup(name);
+					else {
+						good = xmalloc(cp - name + 1);
+						strncpy(good, name, cp - name);
+						good[cp - name] = '\0';
+					}
+					if (expected_type != LIB_ANY && expected_type != LIB_DLL) {
+						warnx("%s is not an ELF library, its an a.out DLL!", buff);
+						expected_type = LIB_ANY;
+					}
+
+					*type = LIB_DLL;
+				}
+				fclose(file);
+
+				if (byteswapflag >= 0 && byteswap != byteswapflag) {
+					byteswapflag = -2;
+					warnx("mixed byte-order detected, using host byte-order...");
+				}
+				if (byteswapflag == -2)
+					byteswap = 0;
+			}
 		}
-		if (byteswapflag == -2)
-		    byteswap = 0;
-	    }
 	}
-    }
 
-    return good;
+	return good;
 }
 
 /* update the symlink to new library */
 void link_shlib(const char *dir, const char *file, const char *so)
 {
-    int change = 1;
-    char libname[BUFFER_SIZE];
-    char linkname[BUFFER_SIZE];
-    char reallibname[BUFFER_SIZE];
-    char reallinkname[BUFFER_SIZE];
-    struct stat libstat;
-    struct stat linkstat;
-
-    /* construct the full path names */
-    sprintf(libname, "%s/%s", dir, file);
-    sprintf(linkname, "%s/%s", dir, so);
-    if (!chroot_realpath(chroot_dir, libname, reallibname))
-	warn("can't resolve %s in chroot %s", libname, chroot_dir);
-    if (!chroot_realpath(chroot_dir, linkname, reallinkname))
-	warn("can't resolve %s in chroot %s", linkname, chroot_dir);
-
-    /* see if a link already exists */
-    if (!stat(reallinkname, &linkstat))
-    {
-	/* now see if it's the one we want */
-	if (stat(reallibname, &libstat))
-	    warn("can't stat %s", libname);
-	else if (libstat.st_dev == linkstat.st_dev &&
-		libstat.st_ino == linkstat.st_ino)
-	    change = 0;
-    }
-
-    /* then update the link, if required */
-    if (change > 0 && !nolinks)
-    {
-	if (!lstat(reallinkname, &linkstat))
-	{
-	    if (!S_ISLNK(linkstat.st_mode))
-	    {
-		warnx("%s is not a symlink", linkname);
-		change = -1;
-	    }
-	    else if (remove(reallinkname))
-	    {
-		warn("can't unlink %s", linkname);
-		change = -1;
-	    }
+	int change = 1;
+	char libname[BUFFER_SIZE];
+	char linkname[BUFFER_SIZE];
+	char reallibname[BUFFER_SIZE];
+	char reallinkname[BUFFER_SIZE];
+	struct stat libstat;
+	struct stat linkstat;
+
+	/* construct the full path names */
+	sprintf(libname, "%s/%s", dir, file);
+	sprintf(linkname, "%s/%s", dir, so);
+	if (!chroot_realpath(chroot_dir, libname, reallibname))
+		warn("can't resolve %s in chroot %s", libname, chroot_dir);
+	if (!chroot_realpath(chroot_dir, linkname, reallinkname))
+		warn("can't resolve %s in chroot %s", linkname, chroot_dir);
+
+	/* see if a link already exists */
+	if (!stat(reallinkname, &linkstat)) {
+		/* now see if it's the one we want */
+		if (stat(reallibname, &libstat))
+			warn("can't stat %s", libname);
+		else if (libstat.st_dev == linkstat.st_dev &&
+		         libstat.st_ino == linkstat.st_ino)
+			change = 0;
 	}
-	if (change > 0)
-	{
-	    if (symlink(file, reallinkname))
-	    {
-		warn("can't link %s to %s", linkname, file);
-		change = -1;
-	    }
+
+	/* then update the link, if required */
+	if (change > 0 && !nolinks) {
+		if (!lstat(reallinkname, &linkstat)) {
+			if (!S_ISLNK(linkstat.st_mode)) {
+				warnx("%s is not a symlink", linkname);
+				change = -1;
+			} else if (remove(reallinkname)) {
+				warn("can't unlink %s", linkname);
+				change = -1;
+			}
+		}
+		if (change > 0) {
+			if (symlink(file, reallinkname)) {
+				warn("can't link %s to %s", linkname, file);
+				change = -1;
+			}
+		}
 	}
-    }
 
-    /* some people like to know what we're doing */
-    if (verbose > 0)
-	printf("\t%s => %s%s\n", so, file,
-		change < 0 ? " (SKIPPED)" :
-		(change > 0 ? " (changed)" : ""));
+	/* some people like to know what we're doing */
+	if (verbose > 0)
+		printf("\t%s => %s%s\n", so, file,
+		       change < 0 ? " (SKIPPED)" :
+		       (change > 0 ? " (changed)" : ""));
 
-    return;
+	return;
 }
 
 /* figure out which library is greater */
 int libcmp(char *p1, char *p2)
 {
-    while (*p1)
-    {
-	if (isdigit(*p1) && isdigit(*p2))
-	{
-	    /* must compare this numerically */
-	    int v1, v2;
-	    v1 = strtoul(p1, &p1, 10);
-	    v2 = strtoul(p2, &p2, 10);
-	    if (v1 != v2)
-		return v1 - v2;
+	while (*p1) {
+		if (isdigit(*p1) && isdigit(*p2)) {
+			/* must compare this numerically */
+			int v1, v2;
+			v1 = strtoul(p1, &p1, 10);
+			v2 = strtoul(p2, &p2, 10);
+			if (v1 != v2)
+				return v1 - v2;
+		} else if (isdigit(*p1) && !isdigit(*p2))
+			return 1;
+		else if (!isdigit(*p1) && isdigit(*p2))
+			return -1;
+		else if (*p1 != *p2)
+			return *p1 - *p2;
+		else
+			p1++, p2++;
 	}
-	else if (isdigit(*p1) && !isdigit(*p2))
-	    return 1;
-	else if (!isdigit(*p1) && isdigit(*p2))
-	    return -1;
-	else if (*p1 != *p2)
-	    return *p1 - *p2;
-	else
-	    p1++, p2++;
-    }
-
-    return *p1 - *p2;
+
+	return *p1 - *p2;
 }
 
-struct lib
-{
-    char *so;			/* soname of a library */
-    char *name;			/* name of a library */
-    int libtype;		/* type of a library */
-    int islink;			/* is it a symlink */
-    struct lib *next;		/* next library in list */
+struct lib {
+	char *so;		/* soname of a library */
+	char *name;		/* name of a library */
+	int libtype;		/* type of a library */
+	int islink;		/* is it a symlink */
+	struct lib *next;	/* next library in list */
 };
 
 /* update all shared library links in a directory */
 void scan_dir(const char *rawname)
 {
-    DIR *dir;
-    const char *name;
-    struct dirent *ent;
-    char *so, *path, *path_n;
-    struct lib *lp, *libs = NULL;
-    int i, libtype, islink, expected_type = LIB_ANY;
-    char realname[BUFFER_SIZE];
-
-    /* We need a writable copy of this string */
-    path = strdup(rawname);
-    if (!path) {
-	err(EXIT_FATAL, "Out of memory!\n");
-    }
-    /* Eliminate all double //s */
-    path_n=path;
-    while((path_n=strstr(path_n, "//"))) {
-	i = strlen(path_n);
-	memmove(path_n, path_n+1, i-1);
-	*(path_n + i - 1)='\0';
-    }
-    name = path;
+	DIR *dir;
+	const char *name;
+	struct dirent *ent;
+	char *so, *path, *path_n;
+	struct lib *lp, *libs = NULL;
+	int i, libtype, islink, expected_type = LIB_ANY;
+	char realname[BUFFER_SIZE];
+
+	/* We need a writable copy of this string */
+	path = strdup(rawname);
+	if (!path) {
+		err(EXIT_FATAL, "Out of memory!\n");
+	}
+	/* Eliminate all double //s */
+	path_n = path;
+	while ((path_n = strstr(path_n, "//"))) {
+		i = strlen(path_n);
+		memmove(path_n, path_n + 1, i - 1);
+		*(path_n + i - 1) = '\0';
+	}
+	name = path;
 
 #if 0
-    char *t;
-    /* Check for an embedded expected type */
-    t=strrchr(name, '=');
-    if( t )
-    {
-	*t++ = '\0'; /* Skip = char */
-	if(strcasecmp(t, "libc4") == 0)
-	{
-	    expected_type = LIB_DLL;
-	} 
-	else
-	{
-	    if(strcasecmp(t, "libc5") == 0)
-	    {
-		expected_type = LIB_ELF_LIBC5; 
-	    }
-	    else
-	    {
-		if(strcasecmp(t, "libc6") == 0)
-		{
-		    expected_type = LIB_ELF_LIBC6;
-		}
-		else 
-		{
-		    if(strcasecmp(t, "libc0") == 0)
-		    {
-			expected_type = LIB_ELF_LIBC0;
-		    }
-		    else
-		    {
-			warnx("Unknown type field '%s' for dir '%s' - ignored", t, name);
-			expected_type = LIB_ANY;
-		    }
+	char *t;
+	/* Check for an embedded expected type */
+	t = strrchr(name, '=');
+	if (t) {
+		*t++ = '\0';	/* Skip = char */
+		if (strcasecmp(t, "libc4") == 0) {
+			expected_type = LIB_DLL;
+		} else {
+			if (strcasecmp(t, "libc5") == 0) {
+				expected_type = LIB_ELF_LIBC5;
+			} else {
+				if (strcasecmp(t, "libc6") == 0) {
+					expected_type = LIB_ELF_LIBC6;
+				} else {
+					if (strcasecmp(t, "libc0") == 0) {
+						expected_type = LIB_ELF_LIBC0;
+					} else {
+						warnx("Unknown type field '%s' for dir '%s' - ignored", t, name);
+						expected_type = LIB_ANY;
+					}
+				}
+			}
 		}
-	    }
 	}
-    }
 #endif
 
-    /* let 'em know what's going on */
-    if (verbose > 0)
-	printf("%s:\n", name);
+	/* let 'em know what's going on */
+	if (verbose > 0)
+		printf("%s:\n", name);
 
-    /* get real path in case of chroot */
-    if (!chroot_realpath(chroot_dir, name, realname))
-	warn("can't resolve %s in chroot %s", name, chroot_dir);
+	/* get real path in case of chroot */
+	if (!chroot_realpath(chroot_dir, name, realname))
+		warn("can't resolve %s in chroot %s", name, chroot_dir);
+
+	/* if we can't open it, we can't do anything */
+	if ((dir = opendir(realname)) == NULL) {
+		warn("skipping %s", name);
+		free(path);
+		return;
+	}
 
-    /* if we can't open it, we can't do anything */
-    if ((dir = opendir(realname)) == NULL)
-    {
-	warn("skipping %s", name);
-	free(path);
-	return;
-    }
-
-    /* yes, we have to look at every single file */
-    while ((ent = readdir(dir)) != NULL)
-    {
-	/* if it's not a shared library, don't bother */
-	if ((so = is_shlib(name, ent->d_name, &libtype, &islink, expected_type)) == NULL)
-	    continue;
-
-	/* have we already seen one with the same so name? */
-	for (lp = libs; lp; lp = lp->next)
-	{
-	    if (strcmp(so, lp->so) == 0)
-	    {
-		/* we have, which one do we want to use? */
-		if ((!islink && lp->islink) ||
-			(islink == lp->islink && 
-			 libcmp(ent->d_name, lp->name) > 0))
-		{
-		    /* let's use the new one */
-		    free(lp->name);
-		    lp->name = xstrdup(ent->d_name);
-		    lp->libtype = libtype;
-		    lp->islink = islink;
-		} 
-		break;
-	    }
+	/* yes, we have to look at every single file */
+	while ((ent = readdir(dir)) != NULL) {
+		/* if it's not a shared library, don't bother */
+		if ((so = is_shlib(name, ent->d_name, &libtype, &islink, expected_type)) == NULL)
+			continue;
+
+		/* have we already seen one with the same so name? */
+		for (lp = libs; lp; lp = lp->next) {
+			if (strcmp(so, lp->so) == 0) {
+				/* we have, which one do we want to use? */
+				if ((!islink && lp->islink) ||
+				    (islink == lp->islink &&
+				     libcmp(ent->d_name, lp->name) > 0)) {
+					/* let's use the new one */
+					free(lp->name);
+					lp->name = xstrdup(ent->d_name);
+					lp->libtype = libtype;
+					lp->islink = islink;
+				}
+				break;
+			}
+		}
+
+		/* congratulations, you're the first one we've seen */
+		if (!lp) {
+			lp = xmalloc(sizeof *lp);
+			lp->so = xstrdup(so);
+			lp->name = xstrdup(ent->d_name);
+			lp->libtype = libtype;
+			lp->islink = islink;
+			lp->next = libs;
+			libs = lp;
+		}
+
+		free(so);
+	}
+
+	/* don't need this any more */
+	closedir(dir);
+
+	/* now we have all the latest libs, update the links */
+	for (lp = libs; lp; lp = lp->next) {
+		if (!lp->islink)
+			link_shlib(name, lp->name, lp->so);
+		if (!nocache)
+			cache_dolib(name, lp->so, lp->libtype);
 	}
 
-	/* congratulations, you're the first one we've seen */
-	if (!lp)
-	{
-	    lp = xmalloc(sizeof *lp);
-	    lp->so = xstrdup(so);
-	    lp->name = xstrdup(ent->d_name);
-	    lp->libtype = libtype;
-	    lp->islink = islink;
-	    lp->next = libs;
-	    libs = lp;
+	/* always try to clean up after ourselves */
+	while (libs) {
+		lp = libs->next;
+		free(libs->so);
+		free(libs->name);
+		free(libs);
+		libs = lp;
 	}
 
-	free(so);
-    }
-
-    /* don't need this any more */
-    closedir(dir);
-
-    /* now we have all the latest libs, update the links */
-    for (lp = libs; lp; lp = lp->next)
-    {
-	if (!lp->islink)
-	    link_shlib(name, lp->name, lp->so);
-	if (!nocache)
-	    cache_dolib(name, lp->so, lp->libtype);
-    }
-
-    /* always try to clean up after ourselves */
-    while (libs)
-    {
-	lp = libs->next;
-	free(libs->so);
-	free(libs->name);
-	free(libs);
-	libs = lp;
-    }
-
-    free(path);
-    return;
+	free(path);
+	return;
 }
 
 #ifndef __LDSO_CACHE_SUPPORT__
 void cache_print(void)
 {
-    printf("Library cache disabled\n");
+	printf("Library cache disabled\n");
 }
 void cache_dolib(const char *dir, const char *so, int libtype)
 {
-    return;
+	return;
 }
 void cache_write(void)
 {
-    return;
+	return;
 }
 #else
 /* return the list of system-specific directories */
 char *get_extpath(void)
 {
-    char *res = NULL, *cp;
-    FILE *file;
-    struct stat stat;
-    char realconffile[BUFFER_SIZE];
-
-    if (!chroot_realpath(chroot_dir, conffile, realconffile))
-	return NULL;
-
-    if ((file = fopen(realconffile, "r")) != NULL)
-    {
-	fstat(fileno(file), &stat);
-	res = xmalloc(stat.st_size + 1);
-	fread(res, 1, stat.st_size, file);
-	fclose(file);
-	res[stat.st_size] = '\0';
-
-	/* convert comments fo spaces */
-	for (cp = res; *cp; /*nada*/) {
-	    if (*cp == '#') {
-		do
-		    *cp++ = ' ';
-		while (*cp && *cp != '\n');
-	    } else {
-		cp++;
-	    }
-	}	  
-    }
-
-    return res;
+	char *res = NULL, *cp;
+	FILE *file;
+	struct stat stat;
+	char realconffile[BUFFER_SIZE];
+
+	if (!chroot_realpath(chroot_dir, conffile, realconffile))
+		return NULL;
+
+	if ((file = fopen(realconffile, "r")) != NULL) {
+		fstat(fileno(file), &stat);
+		res = xmalloc(stat.st_size + 1);
+		fread(res, 1, stat.st_size, file);
+		fclose(file);
+		res[stat.st_size] = '\0';
+
+		/* convert comments fo spaces */
+		for (cp = res; *cp; /*nada */ ) {
+			if (*cp == '#') {
+				do
+					*cp++ = ' ';
+				while (*cp && *cp != '\n');
+			} else {
+				cp++;
+			}
+		}
+	}
+
+	return res;
 }
 
-typedef struct liblist
-{
-    int flags;
-    int sooffset;
-    int liboffset;
-    char *soname;
-    char *libname;
-    struct liblist *next;
+typedef struct liblist {
+	int flags;
+	int sooffset;
+	int liboffset;
+	char *soname;
+	char *libname;
+	struct liblist *next;
 } liblist_t;
 
 static header_t magic = { LDSO_CACHE_MAGIC, LDSO_CACHE_VER, 0 };
@@ -682,393 +628,382 @@ static liblist_t *lib_head = NULL;
 
 static int liblistcomp(liblist_t *x, liblist_t *y)
 {
-    int res;
+	int res;
 
-    if ((res = libcmp(x->soname, y->soname)) == 0)
-    {
-	res = libcmp(strrchr(x->libname, '/') + 1,
-		strrchr(y->libname, '/') + 1);
-    }
+	if ((res = libcmp(x->soname, y->soname)) == 0) {
+		res = libcmp(strrchr(x->libname, '/') + 1,
+			     strrchr(y->libname, '/') + 1);
+	}
 
-    return res;
+	return res;
 }
 
 void cache_dolib(const char *dir, const char *so, int libtype)
 {
-    char fullpath[PATH_MAX];
-    liblist_t *new_lib, *cur_lib;
-
-    magic.nlibs++;
-    sprintf(fullpath, "%s/%s", dir, so);
-    new_lib = xmalloc(sizeof (liblist_t));
-    new_lib->flags = libtype;
-    new_lib->soname = xstrdup(so);
-    new_lib->libname = xstrdup(fullpath);
-
-    if (lib_head == NULL || liblistcomp(new_lib, lib_head) > 0)
-    {
-	new_lib->next = lib_head;
-	lib_head = new_lib;
-    }
-    else
-    {
-	for (cur_lib = lib_head; cur_lib->next != NULL &&
-		liblistcomp(new_lib, cur_lib->next) <= 0;
-		cur_lib = cur_lib->next)
-	    /* nothing */;
-	new_lib->next = cur_lib->next;
-	cur_lib->next = new_lib;
-    }
+	char fullpath[PATH_MAX];
+	liblist_t *new_lib, *cur_lib;
+
+	magic.nlibs++;
+	sprintf(fullpath, "%s/%s", dir, so);
+	new_lib = xmalloc(sizeof(liblist_t));
+	new_lib->flags = libtype;
+	new_lib->soname = xstrdup(so);
+	new_lib->libname = xstrdup(fullpath);
+
+	if (lib_head == NULL || liblistcomp(new_lib, lib_head) > 0) {
+		new_lib->next = lib_head;
+		lib_head = new_lib;
+	} else {
+		for (cur_lib = lib_head; cur_lib->next != NULL &&
+		     liblistcomp(new_lib, cur_lib->next) <= 0;
+		     cur_lib = cur_lib->next)
+			/* nothing */ ;
+		new_lib->next = cur_lib->next;
+		cur_lib->next = new_lib;
+	}
 }
 
 void cache_write(void)
 {
-    int cachefd;
-    int stroffset = 0;
-    char realcachefile[BUFFER_SIZE];
-    char tempfile[BUFFER_SIZE];
-    header_t swap_magic;
-    header_t *magic_ptr;
-    libentry_t swap_lib;
-    libentry_t *lib_ptr;
-    liblist_t *cur_lib;
-
-    if (!magic.nlibs)
-	return;
+	int cachefd;
+	int stroffset = 0;
+	char realcachefile[BUFFER_SIZE];
+	char tempfile[BUFFER_SIZE];
+	header_t swap_magic;
+	header_t *magic_ptr;
+	libentry_t swap_lib;
+	libentry_t *lib_ptr;
+	liblist_t *cur_lib;
+
+	if (!magic.nlibs)
+		return;
+
+	if (!chroot_realpath(chroot_dir, cachefile, realcachefile))
+		err(EXIT_FATAL, "can't resolve %s in chroot %s (%s)",
+		    cachefile, chroot_dir, strerror(errno));
+
+	sprintf(tempfile, "%s~", realcachefile);
+
+	if (unlink(tempfile) && errno != ENOENT)
+		err(EXIT_FATAL, "can't unlink %s~ (%s)", cachefile,
+		    strerror(errno));
+
+	if ((cachefd = creat(tempfile, 0644)) < 0)
+		err(EXIT_FATAL, "can't create %s~ (%s)", cachefile,
+		    strerror(errno));
 
-    if (!chroot_realpath(chroot_dir, cachefile, realcachefile))
-	err(EXIT_FATAL,"can't resolve %s in chroot %s (%s)",
-	    cachefile, chroot_dir, strerror(errno));
-
-    sprintf(tempfile, "%s~", realcachefile);
-
-    if (unlink(tempfile) && errno != ENOENT)
-	err(EXIT_FATAL,"can't unlink %s~ (%s)", cachefile, strerror(errno));
-
-    if ((cachefd = creat(tempfile, 0644)) < 0)
-	err(EXIT_FATAL,"can't create %s~ (%s)", cachefile, strerror(errno));
-
-    if (byteswap) {
-	swap_magic = magic;
-	swap_magic.nlibs = bswap_32(swap_magic.nlibs);
-	magic_ptr = &swap_magic;
-    } else {
-	magic_ptr = &magic;
-    }
-    if (write(cachefd, magic_ptr, sizeof (header_t)) != sizeof (header_t))
-	err(EXIT_FATAL,"can't write %s~ (%s)", cachefile, strerror(errno));
-
-    for (cur_lib = lib_head; cur_lib != NULL; cur_lib = cur_lib->next)
-    {
-	cur_lib->sooffset = stroffset;
-	stroffset += strlen(cur_lib->soname) + 1;
-	cur_lib->liboffset = stroffset;
-	stroffset += strlen(cur_lib->libname) + 1;
 	if (byteswap) {
-	    swap_lib.flags = bswap_32(cur_lib->flags);
-	    swap_lib.sooffset = bswap_32(cur_lib->sooffset);
-	    swap_lib.liboffset = bswap_32(cur_lib->liboffset);
-	    lib_ptr = &swap_lib;
+		swap_magic = magic;
+		swap_magic.nlibs = bswap_32(swap_magic.nlibs);
+		magic_ptr = &swap_magic;
 	} else {
-	    lib_ptr = (libentry_t *)cur_lib;
+		magic_ptr = &magic;
 	}
-	if (write(cachefd, lib_ptr, sizeof (libentry_t)) !=
-	    sizeof (libentry_t))
-	err(EXIT_FATAL,"can't write %s~ (%s)", cachefile, strerror(errno));
-    }
-
-    for (cur_lib = lib_head; cur_lib != NULL; cur_lib = cur_lib->next)
-    {
-	if ((size_t)write(cachefd, cur_lib->soname, strlen(cur_lib->soname) + 1)
-		!= strlen(cur_lib->soname) + 1)
-	    err(EXIT_FATAL,"can't write %s~ (%s)", cachefile, strerror(errno));
-	if ((size_t)write(cachefd, cur_lib->libname, strlen(cur_lib->libname) + 1)
-		!= strlen(cur_lib->libname) + 1)
-	    err(EXIT_FATAL,"can't write %s~ (%s)", cachefile, strerror(errno));
-    }
-
-    if (close(cachefd))
-	err(EXIT_FATAL,"can't close %s~ (%s)", cachefile, strerror(errno));
-
-    if (chmod(tempfile, 0644))
-	err(EXIT_FATAL,"can't chmod %s~ (%s)", cachefile, strerror(errno));
-
-    if (rename(tempfile, realcachefile))
-	err(EXIT_FATAL,"can't rename %s~ (%s)", cachefile, strerror(errno));
+	if (write(cachefd, magic_ptr, sizeof(header_t)) != sizeof(header_t))
+		err(EXIT_FATAL, "can't write %s~ (%s)", cachefile,
+		    strerror(errno));
+
+	for (cur_lib = lib_head; cur_lib != NULL; cur_lib = cur_lib->next) {
+		cur_lib->sooffset = stroffset;
+		stroffset += strlen(cur_lib->soname) + 1;
+		cur_lib->liboffset = stroffset;
+		stroffset += strlen(cur_lib->libname) + 1;
+		if (byteswap) {
+			swap_lib.flags = bswap_32(cur_lib->flags);
+			swap_lib.sooffset = bswap_32(cur_lib->sooffset);
+			swap_lib.liboffset = bswap_32(cur_lib->liboffset);
+			lib_ptr = &swap_lib;
+		} else {
+			lib_ptr = (libentry_t *) cur_lib;
+		}
+		if (write(cachefd, lib_ptr, sizeof(libentry_t)) !=
+		    sizeof(libentry_t))
+			err(EXIT_FATAL, "can't write %s~ (%s)", cachefile,
+			    strerror(errno));
+	}
+
+	for (cur_lib = lib_head; cur_lib != NULL; cur_lib = cur_lib->next) {
+		if ((size_t)write(cachefd, cur_lib->soname, strlen(cur_lib->soname) + 1)
+		    != strlen(cur_lib->soname) + 1)
+			err(EXIT_FATAL, "can't write %s~ (%s)", cachefile,
+			    strerror(errno));
+		if ((size_t)write(cachefd, cur_lib->libname, strlen(cur_lib->libname) + 1)
+		    != strlen(cur_lib->libname) + 1)
+			err(EXIT_FATAL, "can't write %s~ (%s)", cachefile,
+			    strerror(errno));
+	}
+
+	if (close(cachefd))
+		err(EXIT_FATAL, "can't close %s~ (%s)", cachefile,
+		    strerror(errno));
+
+	if (chmod(tempfile, 0644))
+		err(EXIT_FATAL, "can't chmod %s~ (%s)", cachefile,
+		    strerror(errno));
+
+	if (rename(tempfile, realcachefile))
+		err(EXIT_FATAL, "can't rename %s~ (%s)", cachefile,
+		    strerror(errno));
 }
 
 void cache_print(void)
 {
-    caddr_t c;
-    struct stat st;
-    int fd = 0;
-    char *strs;
-    header_t *header;
-    libentry_t *libent;
-    char realcachefile[BUFFER_SIZE];
-
-    if (!chroot_realpath(chroot_dir, cachefile, realcachefile))
-	err(EXIT_FATAL,"can't resolve %s in chroot %s (%s)",
-	    cachefile, chroot_dir, strerror(errno));
-
-    if (stat(realcachefile, &st) || (fd = open(realcachefile, O_RDONLY))<0)
-	err(EXIT_FATAL,"can't read %s (%s)", cachefile, strerror(errno));
-    if ((c = mmap(0,st.st_size, PROT_READ, LDSO_CACHE_MMAP_FLAGS, fd, 0)) == (caddr_t)-1)
-	err(EXIT_FATAL,"can't map %s (%s)", cachefile, strerror(errno));
-    close(fd);
-
-    if (memcmp(((header_t *)c)->magic, LDSO_CACHE_MAGIC, LDSO_CACHE_MAGIC_LEN))
-	err(EXIT_FATAL,"%s cache corrupt", cachefile);
-
-    if (memcmp(((header_t *)c)->version, LDSO_CACHE_VER, LDSO_CACHE_VER_LEN))
-	err(EXIT_FATAL,"wrong cache version - expected %s", LDSO_CACHE_VER);
-
-    header = (header_t *)c;
-    libent = (libentry_t *)(c + sizeof (header_t));
-    strs = (char *)&libent[header->nlibs];
-
-    printf("%d libs found in cache `%s' (version %s)\n",
-	    header->nlibs, cachefile, LDSO_CACHE_VER);
-
-    for (fd = 0; fd < header->nlibs; fd++)
-    {
-	printf("\t%s ", strs + libent[fd].sooffset);
-	switch (libent[fd].flags & ~LIB_ELF64) 
-	{
-	    case LIB_DLL:
-		printf("(libc4)");
-		break;
-	    case LIB_ELF:
-		printf("(ELF%s)", libent[fd].flags & LIB_ELF64 ? "/64" : "");
-		break;
-	    case LIB_ELF_LIBC0:
-		printf("(libc0%s)",libent[fd].flags & LIB_ELF64 ? "/64" : "");
-		break;
-	    case LIB_ELF_LIBC5:
-	    case LIB_ELF_LIBC6:
-		printf("(libc%d%s)", (libent[fd].flags & ~LIB_ELF64) + 3,
-			libent[fd].flags & LIB_ELF64 ? "/64" : "");
-		break;
-	    default:
-		printf("(unknown)");
-		break;
+	caddr_t c;
+	struct stat st;
+	int fd = 0;
+	char *strs;
+	header_t *header;
+	libentry_t *libent;
+	char realcachefile[BUFFER_SIZE];
+
+	if (!chroot_realpath(chroot_dir, cachefile, realcachefile))
+		err(EXIT_FATAL, "can't resolve %s in chroot %s (%s)",
+		    cachefile, chroot_dir, strerror(errno));
+
+	if (stat(realcachefile, &st) || (fd = open(realcachefile, O_RDONLY)) < 0)
+		err(EXIT_FATAL, "can't read %s (%s)", cachefile, strerror(errno));
+
+	c = mmap(0, st.st_size, PROT_READ, LDSO_CACHE_MMAP_FLAGS, fd, 0);
+	if (c == MAP_FAILED)
+		err(EXIT_FATAL, "can't map %s (%s)", cachefile, strerror(errno));
+	close(fd);
+
+	if (memcmp(((header_t *) c)->magic, LDSO_CACHE_MAGIC, LDSO_CACHE_MAGIC_LEN))
+		err(EXIT_FATAL, "%s cache corrupt", cachefile);
+
+	if (memcmp(((header_t *) c)->version, LDSO_CACHE_VER, LDSO_CACHE_VER_LEN))
+		err(EXIT_FATAL, "wrong cache version - expected %s",
+		    LDSO_CACHE_VER);
+
+	header = (header_t *) c;
+	libent = (libentry_t *) (c + sizeof(header_t));
+	strs = (char *)&libent[header->nlibs];
+
+	printf("%d libs found in cache `%s' (version %s)\n",
+	       header->nlibs, cachefile, LDSO_CACHE_VER);
+
+	for (fd = 0; fd < header->nlibs; fd++) {
+		printf("\t%s ", strs + libent[fd].sooffset);
+		switch (libent[fd].flags & ~LIB_ELF64) {
+		case LIB_DLL:
+			printf("(libc4)");
+			break;
+		case LIB_ELF:
+			printf("(ELF%s)", libent[fd].flags & LIB_ELF64 ? "/64" : "");
+			break;
+		case LIB_ELF_LIBC0:
+			printf("(libc0%s)", libent[fd].flags & LIB_ELF64 ? "/64" : "");
+			break;
+		case LIB_ELF_LIBC5:
+		case LIB_ELF_LIBC6:
+			printf("(libc%d%s)",
+			       (libent[fd].flags & ~LIB_ELF64) + 3,
+			       libent[fd].flags & LIB_ELF64 ? "/64" : "");
+			break;
+		default:
+			printf("(unknown)");
+			break;
+		}
+		printf(" => %s\n", strs + libent[fd].liboffset);
 	}
-	printf(" => %s\n", strs + libent[fd].liboffset);
-    }
 
-    munmap (c,st.st_size);
+	munmap(c, st.st_size);
 }
 #endif
 
 void usage(void)
 {
-    fprintf(stderr,
+	fprintf(stderr,
 #ifdef __LDSO_CACHE_SUPPORT__
-	    "ldconfig - updates symlinks and cache for shared libraries\n\n"
-	    "Usage: ldconfig [-DvqnNX] [-f conf] [-C cache] [-r root] dir ...\n"
-	    "       ldconfig -l [-Dv] lib ...\n"
-	    "       ldconfig -p\n\nOptions:\n"
+		"ldconfig - updates symlinks and cache for shared libraries\n\n"
+		"Usage: ldconfig [-DvqnNX] [-f conf] [-C cache] [-r root] dir ...\n"
+		"       ldconfig -l [-Dv] lib ...\n"
+		"       ldconfig -p\n\nOptions:\n"
 #else
-	    "ldconfig - updates symlinks for shared libraries\n\n"
-	    "Usage: ldconfig [-DvqnX] [-r root] dir ...\n"
-	    "       ldconfig -l [-Dv] lib ...\n\nOptions:\n"
+		"ldconfig - updates symlinks for shared libraries\n\n"
+		"Usage: ldconfig [-DvqnX] [-r root] dir ...\n"
+		"       ldconfig -l [-Dv] lib ...\n\nOptions:\n"
 #endif
-	    "\t-D:\t\tdebug mode, don't update links\n"
-	    "\t-v:\t\tverbose mode, print things as we go\n"
-	    "\t-q:\t\tquiet mode, don't print warnings\n"
-	    "\t-n:\t\tdon't process standard directories\n"
-	    "\t-N:\t\tdon't update the library cache\n"
-	    "\t-X:\t\tdon't update the library links\n"
-	    "\t-l:\t\tlibrary mode, manually link libraries\n"
-	    "\t-p:\t\tprint the current library cache\n"
+		"\t-D:\t\tdebug mode, don't update links\n"
+		"\t-v:\t\tverbose mode, print things as we go\n"
+		"\t-q:\t\tquiet mode, don't print warnings\n"
+		"\t-n:\t\tdon't process standard directories\n"
+		"\t-N:\t\tdon't update the library cache\n"
+		"\t-X:\t\tdon't update the library links\n"
+		"\t-l:\t\tlibrary mode, manually link libraries\n"
+		"\t-p:\t\tprint the current library cache\n"
 #ifdef __LDSO_CACHE_SUPPORT__
-	    "\t-f conf :\tuse conf instead of %s\n"
-	    "\t-C cache:\tuse cache instead of %s\n"
+		"\t-f conf :\tuse conf instead of %s\n"
+		"\t-C cache:\tuse cache instead of %s\n"
 #endif
-	    "\t-r root :\tfirst, do a chroot to the indicated directory\n"
-	    "\tdir ... :\tdirectories to process\n"
+		"\t-r root :\tfirst, do a chroot to the indicated directory\n"
+		"\tdir ... :\tdirectories to process\n"
 #ifdef __LDSO_CACHE_SUPPORT__
-	    "\tlib ... :\tlibraries to link\n\n",
-	    LDSO_CONF, LDSO_CACHE
+		"\tlib ... :\tlibraries to link\n\n", LDSO_CONF, LDSO_CACHE
 #else
-	    "\tlib ... :\tlibraries to link\n\n"
+		"\tlib ... :\tlibraries to link\n\n"
 #endif
-	   );
-    exit(EXIT_FATAL);
+	    );
+	exit(EXIT_FATAL);
 }
 
 #define DIR_SEP      ":, \t\n"
 int main(int argc, char **argv)
 {
-    int i, c;
-    int nodefault = 0;
-    char *cp, *dir, *so;
-    int libtype, islink;
-    int printcache = 0;
+	int i, c;
+	int nodefault = 0;
+	char *cp, *dir, *so;
+	int libtype, islink;
+	int printcache = 0;
 #ifdef __LDSO_CACHE_SUPPORT__
-    char *extpath;
+	char *extpath;
 #endif
 
-    prog = argv[0];
-    opterr = 0;
-
-    while ((c = getopt(argc, argv, "DvqnNXlpf:C:r:")) != EOF)
-	switch (c)
-	{
-	    case 'D':
-		debug = 1;		/* debug mode */
-		nocache = 1;
-		nolinks = 1;
-		verbose = 1;
-		break;
-	    case 'v':
-		verbose = 1;	/* verbose mode */
-		break;
-	    case 'q':
-		if (verbose <= 0)
-		    verbose = -1;	/* quiet mode */
-		break;
-	    case 'n':
-		nodefault = 1;	/* no default dirs */
-		nocache = 1;
-		break;
-	    case 'N':
-		nocache = 1;	/* don't build cache */
-		break;
-	    case 'X':
-		nolinks = 1;	/* don't update links */
-		break;
-	    case 'l':
-		libmode = 1;	/* library mode */
-		break;
-	    case 'p':
-		printcache = 1;	/* print cache */
-		break;
-	    case 'f':
+	prog = argv[0];
+	opterr = 0;
+
+	while ((c = getopt(argc, argv, "DvqnNXlpf:C:r:")) != EOF)
+		switch (c) {
+		case 'D':
+			debug = 1;	/* debug mode */
+			nocache = 1;
+			nolinks = 1;
+			verbose = 1;
+			break;
+		case 'v':
+			verbose = 1;	/* verbose mode */
+			break;
+		case 'q':
+			if (verbose <= 0)
+				verbose = -1;	/* quiet mode */
+			break;
+		case 'n':
+			nodefault = 1;	/* no default dirs */
+			nocache = 1;
+			break;
+		case 'N':
+			nocache = 1;	/* don't build cache */
+			break;
+		case 'X':
+			nolinks = 1;	/* don't update links */
+			break;
+		case 'l':
+			libmode = 1;	/* library mode */
+			break;
+		case 'p':
+			printcache = 1;	/* print cache */
+			break;
+		case 'f':
 #ifdef __LDSO_CACHE_SUPPORT__
-		conffile = optarg;	/* alternate conf file */
+			conffile = optarg;	/* alternate conf file */
 #endif
-		break;
-	    case 'C':
+			break;
+		case 'C':
 #ifdef __LDSO_CACHE_SUPPORT__
-		cachefile = optarg;	/* alternate cache file */
+			cachefile = optarg;	/* alternate cache file */
 #endif
-		break;
-	    case 'r':
-		chroot_dir = optarg;
-		break;
-	    default:
-		usage();
-		break;
-
-		/* THE REST OF THESE ARE UNDOCUMENTED AND MAY BE REMOVED
-		   IN FUTURE VERSIONS. */
-	}
+			break;
+		case 'r':
+			chroot_dir = optarg;
+			break;
+		default:
+			usage();
+			break;
+
+			/* THE REST OF THESE ARE UNDOCUMENTED AND MAY BE REMOVED
+			   IN FUTURE VERSIONS. */
+		}
 
-    if (chroot_dir && *chroot_dir) {
-	if (chroot(chroot_dir) < 0) {
-	    if (chdir(chroot_dir) < 0)
-		err(EXIT_FATAL,"couldn't chroot to %s (%s)", chroot_dir, strerror(errno));
-	}
-	else
-	{
-	    if (chdir("/") < 0)
-		err(EXIT_FATAL,"couldn't chdir to / (%s)", strerror(errno));
-	    chroot_dir = NULL;
+	if (chroot_dir && *chroot_dir) {
+		if (chroot(chroot_dir) < 0) {
+			if (chdir(chroot_dir) < 0)
+				err(EXIT_FATAL, "couldn't chroot to %s (%s)", chroot_dir, strerror(errno));
+		} else {
+			if (chdir("/") < 0)
+				err(EXIT_FATAL, "couldn't chdir to / (%s)", strerror(errno));
+			chroot_dir = NULL;
+		}
 	}
-    }
 
-    /* allow me to introduce myself, hi, my name is ... */
-    if (verbose > 0)
-	printf("%s: uClibc version\n", argv[0]);
+	/* allow me to introduce myself, hi, my name is ... */
+	if (verbose > 0)
+		printf("%s: uClibc version\n", argv[0]);
+
+	if (printcache) {
+		/* print the cache -- don't you trust me? */
+		cache_print();
+		exit(EXIT_OK);
+	} else if (libmode) {
+		/* so you want to do things manually, eh? */
+
+		/* ok, if you're so smart, which libraries do we link? */
+		for (i = optind; i < argc; i++) {
+			/* split into directory and file parts */
+			if (!(cp = strrchr(argv[i], '/'))) {
+				dir = ".";	/* no dir, only a filename */
+				cp = argv[i];
+			} else {
+				if (cp == argv[i])
+					dir = "/";	/* file in root directory */
+				else
+					dir = argv[i];
+				*cp++ = '\0';	/* neither of the above */
+			}
 
-    if (printcache)
-    {
-	/* print the cache -- don't you trust me? */
-	cache_print();
-	exit(EXIT_OK);
-    }
-    else if (libmode)
-    {
-	/* so you want to do things manually, eh? */
-
-	/* ok, if you're so smart, which libraries do we link? */
-	for (i = optind; i < argc; i++)
-	{
-	    /* split into directory and file parts */
-	    if (!(cp = strrchr(argv[i], '/')))
-	    {
-		dir = ".";	/* no dir, only a filename */
-		cp = argv[i];
-	    }
-	    else
-	    {
-		if (cp == argv[i])
-		    dir = "/";	/* file in root directory */
-		else
-		    dir = argv[i];
-		*cp++ = '\0';	/* neither of the above */
-	    }
+			/* we'd better do a little bit of checking */
+			if ((so = is_shlib(dir, cp, &libtype, &islink, LIB_ANY)) == NULL)
+				err(EXIT_FATAL, "%s%s%s is not a shared library",
+				    dir, (*dir && strcmp(dir, "/")) ? "/" : "", cp);
 
-	    /* we'd better do a little bit of checking */
-	    if ((so = is_shlib(dir, cp, &libtype, &islink, LIB_ANY)) == NULL)
-		err(EXIT_FATAL,"%s%s%s is not a shared library", dir,
-			(*dir && strcmp(dir, "/")) ? "/" : "", cp);
+			/* so far, so good, maybe he knows what he's doing */
+			link_shlib(dir, cp, so);
+		}
+	} else {
+		/* the lazy bum want's us to do all the work for him */
 
-	    /* so far, so good, maybe he knows what he's doing */
-	    link_shlib(dir, cp, so);
-	}
-    }
-    else
-    {
-	/* the lazy bum want's us to do all the work for him */
-
-	/* don't cache dirs on the command line */
-	int nocache_save = nocache;
-	nocache = 1;
-
-	/* OK, which directories should we do? */
-	for (i = optind; i < argc; i++)
-	    scan_dir(argv[i]);
-
-	/* restore the desired caching state */
-	nocache = nocache_save;
-
-	/* look ma, no defaults */
-	if (!nodefault)
-	{
-	    scan_dir(UCLIBC_RUNTIME_PREFIX "lib");
-	    scan_dir(UCLIBC_RUNTIME_PREFIX "usr/lib");
+		/* don't cache dirs on the command line */
+		int nocache_save = nocache;
+		nocache = 1;
+
+		/* OK, which directories should we do? */
+		for (i = optind; i < argc; i++)
+			scan_dir(argv[i]);
+
+		/* restore the desired caching state */
+		nocache = nocache_save;
+
+		/* look ma, no defaults */
+		if (!nodefault) {
+			scan_dir(UCLIBC_RUNTIME_PREFIX "lib");
+			scan_dir(UCLIBC_RUNTIME_PREFIX "usr/lib");
 #ifndef __LDSO_CACHE_SUPPORT__
-	    scan_dir(UCLIBC_RUNTIME_PREFIX "usr/X11R6/lib");
+			scan_dir(UCLIBC_RUNTIME_PREFIX "usr/X11R6/lib");
 #else
-	    /* I guess the defaults aren't good enough */
-	    if ((extpath = get_extpath()))
-	    {
-		for (cp = strtok(extpath, DIR_SEP); cp; cp = strtok(NULL, DIR_SEP)) {
-			/* strip trailing slashes */
-			int len = strlen(cp);
-			if (len) 
-				while (cp[--len] == '/' && len)
-					cp[len] = 0;
-			/* we do the redundancy check only if cache usage is enabled */
-			if (strcmp(UCLIBC_RUNTIME_PREFIX "lib", cp) == 0 ||
-			    strcmp(UCLIBC_RUNTIME_PREFIX "usr/lib", cp) == 0) {
-				if (verbose >= 0)
-					warnx("You should remove `%s' from `%s'", cp, LDSO_CONF);
-				continue;
+			/* I guess the defaults aren't good enough */
+			if ((extpath = get_extpath())) {
+				for (cp = strtok(extpath, DIR_SEP); cp; cp = strtok(NULL, DIR_SEP)) {
+					/* strip trailing slashes */
+					int len = strlen(cp);
+					if (len)
+						while (cp[--len] == '/' && len)
+							cp[len] = 0;
+					/* we do the redundancy check only if cache usage is enabled */
+					if (strcmp(UCLIBC_RUNTIME_PREFIX "lib", cp) == 0
+					    || strcmp(UCLIBC_RUNTIME_PREFIX "usr/lib", cp) == 0) {
+						if (verbose >= 0)
+							warnx("You should remove `%s' from `%s'", cp, LDSO_CONF);
+						continue;
+					}
+					scan_dir(cp);
+				}
+				free(extpath);
 			}
-		    scan_dir(cp);
-		}
-		free(extpath);
-	    }
 #endif
-	}
+		}
 
-	if (!nocache)
-	    cache_write();
-    }
+		if (!nocache)
+			cache_write();
+	}
 
-    exit(EXIT_OK);
+	exit(EXIT_OK);
 }
-

utils/ldd.c

@@ -151,49 +151,50 @@ char not_found[] = "not found";
 char *interp_name = NULL;
 char *interp_dir = NULL;
 int byteswap;
-static int interpreter_already_found=0;
+static int interpreter_already_found = 0;
 
 inline uint32_t byteswap32_to_host(uint32_t value)
 {
-	if (byteswap==1) {
-		return(bswap_32(value));
+	if (byteswap == 1) {
+		return (bswap_32(value));
 	} else {
-		return(value);
+		return (value);
 	}
 }
 inline uint64_t byteswap64_to_host(uint64_t value)
 {
-	if (byteswap==1) {
-		return(bswap_64(value));
+	if (byteswap == 1) {
+		return (bswap_64(value));
 	} else {
-		return(value);
+		return (value);
 	}
 }
+
 #if ELFCLASSM == ELFCLASS32
 # define byteswap_to_host(x) byteswap32_to_host(x)
 #else
 # define byteswap_to_host(x) byteswap64_to_host(x)
 #endif
 
-ElfW(Shdr) * elf_find_section_type( uint32_t key, ElfW(Ehdr) *ehdr)
+ElfW(Shdr) *elf_find_section_type(uint32_t key, ElfW(Ehdr) *ehdr)
 {
 	int j;
 	ElfW(Shdr) *shdr;
-	shdr = (ElfW(Shdr) *)(ehdr->e_shoff + (char *)ehdr);
-	for (j = ehdr->e_shnum; --j>=0; ++shdr) {
-		if (key==byteswap32_to_host(shdr->sh_type)) {
+	shdr = (ElfW(Shdr) *) (ehdr->e_shoff + (char *)ehdr);
+	for (j = ehdr->e_shnum; --j >= 0; ++shdr) {
+		if (key == byteswap32_to_host(shdr->sh_type)) {
 			return shdr;
 		}
 	}
 	return NULL;
 }
 
-ElfW(Phdr) * elf_find_phdr_type( uint32_t type, ElfW(Ehdr) *ehdr)
+ElfW(Phdr) *elf_find_phdr_type(uint32_t type, ElfW(Ehdr) *ehdr)
 {
 	int j;
-	ElfW(Phdr) *phdr = (ElfW(Phdr) *)(ehdr->e_phoff + (char *)ehdr);
-	for (j = ehdr->e_phnum; --j>=0; ++phdr) {
-		if (type==byteswap32_to_host(phdr->p_type)) {
+	ElfW(Phdr) *phdr = (ElfW(Phdr) *) (ehdr->e_phoff + (char *)ehdr);
+	for (j = ehdr->e_phnum; --j >= 0; ++phdr) {
+		if (type == byteswap32_to_host(phdr->p_type)) {
 			return phdr;
 		}
 	}
@@ -201,31 +202,31 @@ ElfW(Phdr) * elf_find_phdr_type( uint32_t type, ElfW(Ehdr) *ehdr)
 }
 
 /* Returns value if return_val==1, ptr otherwise */
-void * elf_find_dynamic( int64_t const key, ElfW(Dyn) *dynp,
-	ElfW(Ehdr) *ehdr, int return_val)
+void *elf_find_dynamic(int64_t const key, ElfW(Dyn) *dynp,
+		       ElfW(Ehdr) *ehdr, int return_val)
 {
 	ElfW(Phdr) *pt_text = elf_find_phdr_type(PT_LOAD, ehdr);
 	unsigned tx_reloc = byteswap_to_host(pt_text->p_vaddr) - byteswap_to_host(pt_text->p_offset);
-	for (; DT_NULL!=byteswap_to_host(dynp->d_tag); ++dynp) {
+	for (; DT_NULL != byteswap_to_host(dynp->d_tag); ++dynp) {
 		if (key == byteswap_to_host(dynp->d_tag)) {
 			if (return_val == 1)
 				return (void *)byteswap_to_host(dynp->d_un.d_val);
 			else
-				return (void *)(byteswap_to_host(dynp->d_un.d_val) - tx_reloc + (char *)ehdr );
+				return (void *)(byteswap_to_host(dynp->d_un.d_val) - tx_reloc + (char *)ehdr);
 		}
 	}
 	return NULL;
 }
 
-static char * elf_find_rpath(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic)
+static char *elf_find_rpath(ElfW(Ehdr) *ehdr, ElfW(Dyn) *dynamic)
 {
-	ElfW(Dyn)  *dyns;
+	ElfW(Dyn) *dyns;
 
-	for (dyns=dynamic; byteswap_to_host(dyns->d_tag)!=DT_NULL; ++dyns) {
+	for (dyns = dynamic; byteswap_to_host(dyns->d_tag) != DT_NULL; ++dyns) {
 		if (DT_RPATH == byteswap_to_host(dyns->d_tag)) {
 			char *strtab;
 			strtab = (char *)elf_find_dynamic(DT_STRTAB, dynamic, ehdr, 0);
-			return ((char*)strtab + byteswap_to_host(dyns->d_un.d_val));
+			return ((char *)strtab + byteswap_to_host(dyns->d_un.d_val));
 		}
 	}
 	return NULL;
@@ -233,9 +234,9 @@ static char * elf_find_rpath(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic)
 
 int check_elf_header(ElfW(Ehdr) *const ehdr)
 {
-	if (! ehdr || strncmp((char *)ehdr, ELFMAG, SELFMAG) != 0 ||
-			ehdr->e_ident[EI_CLASS] != ELFCLASSM ||
-			ehdr->e_ident[EI_VERSION] != EV_CURRENT)
+	if (!ehdr || strncmp((char *)ehdr, ELFMAG, SELFMAG) != 0 ||
+	    ehdr->e_ident[EI_CLASS] != ELFCLASSM ||
+	    ehdr->e_ident[EI_VERSION] != EV_CURRENT)
 	{
 		return 1;
 	}
@@ -257,7 +258,7 @@ int check_elf_header(ElfW(Ehdr) *const ehdr)
 #endif
 
 	/* Be vary lazy, and only byteswap the stuff we use */
-	if (byteswap==1) {
+	if (byteswap == 1) {
 		ehdr->e_type = bswap_16(ehdr->e_type);
 		ehdr->e_phoff = byteswap_to_host(ehdr->e_phoff);
 		ehdr->e_shoff = byteswap_to_host(ehdr->e_shoff);
@@ -285,15 +286,14 @@ int map_cache(void)
 	else if (cache_addr != NULL)
 		return 0;
 
-	if (stat(LDSO_CACHE, &st)
-			|| (fd = open(LDSO_CACHE, O_RDONLY, 0)) < 0) {
+	if (stat(LDSO_CACHE, &st) || (fd = open(LDSO_CACHE, O_RDONLY, 0)) < 0) {
 		fprintf(stderr, "ldd: can't open cache '%s'\n", LDSO_CACHE);
 		cache_addr = (caddr_t) - 1;	/* so we won't try again */
 		return -1;
 	}
 
 	cache_size = st.st_size;
-	cache_addr = (caddr_t) mmap(0, cache_size, PROT_READ, MAP_SHARED, fd, 0);
+	cache_addr = mmap(0, cache_size, PROT_READ, MAP_SHARED, fd, 0);
 	close(fd);
 	if (cache_addr == MAP_FAILED) {
 		fprintf(stderr, "ldd: can't map cache '%s'\n", LDSO_CACHE);
@@ -302,25 +302,21 @@ int map_cache(void)
 
 	header = (header_t *) cache_addr;
 
-	if (cache_size < sizeof(header_t) ||
-			memcmp(header->magic, LDSO_CACHE_MAGIC, LDSO_CACHE_MAGIC_LEN)
-			|| memcmp(header->version, LDSO_CACHE_VER, LDSO_CACHE_VER_LEN)
-			|| cache_size <
-			(sizeof(header_t) + header->nlibs * sizeof(libentry_t))
-			|| cache_addr[cache_size - 1] != '\0')
+	if (cache_size < sizeof(header_t)
+	    || memcmp(header->magic, LDSO_CACHE_MAGIC, LDSO_CACHE_MAGIC_LEN)
+	    || memcmp(header->version, LDSO_CACHE_VER, LDSO_CACHE_VER_LEN)
+	    || cache_size < (sizeof(header_t) + header->nlibs * sizeof(libentry_t))
+	    || cache_addr[cache_size - 1] != '\0')
 	{
 		fprintf(stderr, "ldd: cache '%s' is corrupt\n", LDSO_CACHE);
 		goto fail;
 	}
 
-	strtabsize = cache_size - sizeof(header_t) -
-		header->nlibs * sizeof(libentry_t);
+	strtabsize = cache_size - sizeof(header_t) - header->nlibs * sizeof(libentry_t);
 	libent = (libentry_t *) & header[1];
 
 	for (i = 0; i < header->nlibs; i++) {
-		if (libent[i].sooffset >= strtabsize ||
-				libent[i].liboffset >= strtabsize)
-		{
+		if (libent[i].sooffset >= strtabsize || libent[i].liboffset >= strtabsize) {
 			fprintf(stderr, "ldd: cache '%s' is corrupt\n", LDSO_CACHE);
 			goto fail;
 		}
@@ -347,13 +343,18 @@ int unmap_cache(void)
 	return 0;
 }
 #else
-static inline void map_cache(void) { }
-static inline void unmap_cache(void) { }
+static inline void map_cache(void)
+{
+}
+static inline void unmap_cache(void)
+{
+}
 #endif
 
 /* This function's behavior must exactly match that
  * in uClibc/ldso/ldso/dl-elf.c */
-static void search_for_named_library(char *name, char *result, const char *path_list)
+static void search_for_named_library(char *name, char *result,
+				     const char *path_list)
 {
 	int i, count = 1;
 	char *path, *path_n;
@@ -366,17 +367,17 @@ static void search_for_named_library(char *name, char *result, const char *path_
 		exit(EXIT_FAILURE);
 	}
 	/* Eliminate all double //s */
-	path_n=path;
-	while((path_n=strstr(path_n, "//"))) {
+	path_n = path;
+	while ((path_n = strstr(path_n, "//"))) {
 		i = strlen(path_n);
-		memmove(path_n, path_n+1, i-1);
-		*(path_n + i - 1)='\0';
+		memmove(path_n, path_n + 1, i - 1);
+		*(path_n + i - 1) = '\0';
 	}
 
 	/* Replace colons with zeros in path_list and count them */
-	for(i=strlen(path); i > 0; i--) {
-		if (path[i]==':') {
-			path[i]=0;
+	for (i = strlen(path); i > 0; i--) {
+		if (path[i] == ':') {
+			path[i] = 0;
 			count++;
 		}
 	}
@@ -385,7 +386,7 @@ static void search_for_named_library(char *name, char *result, const char *path_
 		strcpy(result, path_n);
 		strcat(result, "/");
 		strcat(result, name);
-		if (stat (result, &filestat) == 0 && filestat.st_mode & S_IRUSR) {
+		if (stat(result, &filestat) == 0 && filestat.st_mode & S_IRUSR) {
 			free(path);
 			return;
 		}
@@ -395,19 +396,20 @@ static void search_for_named_library(char *name, char *result, const char *path_
 	*result = '\0';
 }
 
-void locate_library_file(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic, int is_suid, struct library *lib)
+void locate_library_file(ElfW(Ehdr) *ehdr, ElfW(Dyn) *dynamic, int is_suid,
+			 struct library *lib)
 {
 	char *buf;
 	char *path;
 	struct stat filestat;
 
 	/* If this is a fully resolved name, our job is easy */
-	if (stat (lib->name, &filestat) == 0) {
+	if (stat(lib->name, &filestat) == 0) {
 		lib->path = strdup(lib->name);
 		return;
 	}
 
-	/* We need some elbow room here.  Make some room...*/
+	/* We need some elbow room here.  Make some room... */
 	buf = malloc(1024);
 	if (!buf) {
 		fprintf(stderr, "Out of memory!\n");
@@ -430,7 +432,7 @@ void locate_library_file(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic, int is_suid, stru
 	/* Next check LD_{ELF_}LIBRARY_PATH if specified and allowed.
 	 * Since this app doesn't actually run an executable I will skip
 	 * the suid check, and just use LD_{ELF_}LIBRARY_PATH if set */
-	if (is_suid==1)
+	if (is_suid == 1)
 		path = NULL;
 	else
 		path = getenv("LD_LIBRARY_PATH");
@@ -441,19 +443,19 @@ void locate_library_file(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic, int is_suid, stru
 			return;
 		}
 	}
-
 #ifdef __LDSO_CACHE_SUPPORT__
 	if (cache_addr != NULL && cache_addr != (caddr_t) - 1) {
 		int i;
 		header_t *header = (header_t *) cache_addr;
 		libentry_t *libent = (libentry_t *) & header[1];
-		char *strs = (char *) &libent[header->nlibs];
+		char *strs = (char *)&libent[header->nlibs];
 
 		for (i = 0; i < header->nlibs; i++) {
 			if ((libent[i].flags == LIB_ELF ||
-			    libent[i].flags == LIB_ELF_LIBC0 ||
-			    libent[i].flags == LIB_ELF_LIBC5) &&
-			    strcmp(lib->name, strs + libent[i].sooffset) == 0) {
+			     libent[i].flags == LIB_ELF_LIBC0 ||
+			     libent[i].flags == LIB_ELF_LIBC5) &&
+			    strcmp(lib->name, strs + libent[i].sooffset) == 0)
+			{
 				lib->path = strdup(strs + libent[i].liboffset);
 				return;
 			}
@@ -461,7 +463,6 @@ void locate_library_file(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic, int is_suid, stru
 	}
 #endif
 
-
 	/* Next look for libraries wherever the shared library
 	 * loader was installed -- this is usually where we
 	 * should find things... */
@@ -475,12 +476,11 @@ void locate_library_file(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic, int is_suid, stru
 
 	/* Lastly, search the standard list of paths for the library.
 	   This list must exactly match the list in uClibc/ldso/ldso/dl-elf.c */
-	path =	UCLIBC_RUNTIME_PREFIX "lib:"
-		UCLIBC_RUNTIME_PREFIX "usr/lib"
+	path = UCLIBC_RUNTIME_PREFIX "lib:" UCLIBC_RUNTIME_PREFIX "usr/lib"
 #ifndef __LDSO_CACHE_SUPPORT__
-		":" UCLIBC_RUNTIME_PREFIX "usr/X11R6/lib"
+	    ":" UCLIBC_RUNTIME_PREFIX "usr/X11R6/lib"
 #endif
-		;
+	    ;
 	search_for_named_library(lib->name, buf, path);
 	if (*buf != '\0') {
 		lib->path = buf;
@@ -490,10 +490,10 @@ void locate_library_file(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic, int is_suid, stru
 	}
 }
 
-static int add_library(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic, int is_setuid, char *s)
+static int add_library(ElfW(Ehdr) *ehdr, ElfW(Dyn) *dynamic, int is_setuid, char *s)
 {
 	char *tmp, *tmp1, *tmp2;
-	struct library *cur, *newlib=lib_list;
+	struct library *cur, *newlib = lib_list;
 
 	if (!s || !strlen(s))
 		return 1;
@@ -506,14 +506,13 @@ static int add_library(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic, int is_setuid, char
 	}
 
 	/* We add ldso elsewhere */
-	if (interpreter_already_found && (tmp=strrchr(interp_name, '/')) != NULL)
-	{
+	if (interpreter_already_found && (tmp = strrchr(interp_name, '/')) != NULL) {
 		int len = strlen(interp_dir);
-		if (strcmp(s, interp_name+1+len)==0)
+		if (strcmp(s, interp_name + 1 + len) == 0)
 			return 1;
 	}
 
-	for (cur = lib_list; cur; cur=cur->next) {
+	for (cur = lib_list; cur; cur = cur->next) {
 		/* Check if this library is already in the list */
 		tmp1 = tmp2 = cur->name;
 		while (*tmp1) {
@@ -521,7 +520,7 @@ static int add_library(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic, int is_setuid, char
 				tmp2 = tmp1 + 1;
 			tmp1++;
 		}
-		if(strcmp(tmp2, s)==0) {
+		if (strcmp(tmp2, s) == 0) {
 			//printf("find_elf_interpreter is skipping '%s' (already in list)\n", cur->name);
 			return 0;
 		}
@@ -531,7 +530,7 @@ static int add_library(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic, int is_setuid, char
 	newlib = malloc(sizeof(struct library));
 	if (!newlib)
 		return 1;
-	newlib->name = malloc(strlen(s)+1);
+	newlib->name = malloc(strlen(s) + 1);
 	strcpy(newlib->name, s);
 	newlib->resolved = 0;
 	newlib->path = NULL;
@@ -544,28 +543,26 @@ static int add_library(ElfW(Ehdr)* ehdr, ElfW(Dyn)* dynamic, int is_setuid, char
 	if (!lib_list) {
 		lib_list = newlib;
 	} else {
-		for (cur = lib_list;  cur->next; cur=cur->next); /* nothing */
+		for (cur = lib_list; cur->next; cur = cur->next) ;	/* nothing */
 		cur->next = newlib;
 	}
 	return 0;
 }
 
-static void find_needed_libraries(ElfW(Ehdr)* ehdr,
-		ElfW(Dyn)* dynamic, int is_setuid)
+static void find_needed_libraries(ElfW(Ehdr) *ehdr, ElfW(Dyn) *dynamic, int is_setuid)
 {
-	ElfW(Dyn)  *dyns;
+	ElfW(Dyn) *dyns;
 
-	for (dyns=dynamic; byteswap_to_host(dyns->d_tag)!=DT_NULL; ++dyns) {
+	for (dyns = dynamic; byteswap_to_host(dyns->d_tag) != DT_NULL; ++dyns) {
 		if (DT_NEEDED == byteswap_to_host(dyns->d_tag)) {
 			char *strtab;
 			strtab = (char *)elf_find_dynamic(DT_STRTAB, dynamic, ehdr, 0);
-			add_library(ehdr, dynamic, is_setuid,
-					(char*)strtab + byteswap_to_host(dyns->d_un.d_val));
+			add_library(ehdr, dynamic, is_setuid, (char *)strtab + byteswap_to_host(dyns->d_un.d_val));
 		}
 	}
 }
 
-static struct library * find_elf_interpreter(ElfW(Ehdr)* ehdr)
+static struct library *find_elf_interpreter(ElfW(Ehdr) *ehdr)
 {
 	ElfW(Phdr) *phdr;
 
@@ -573,8 +570,8 @@ static struct library * find_elf_interpreter(ElfW(Ehdr)* ehdr)
 		return NULL;
 	phdr = elf_find_phdr_type(PT_INTERP, ehdr);
 	if (phdr) {
-		struct library *cur, *newlib=NULL;
-		char *s = (char*)ehdr + byteswap_to_host(phdr->p_offset);
+		struct library *cur, *newlib = NULL;
+		char *s = (char *)ehdr + byteswap_to_host(phdr->p_offset);
 
 		char *tmp, *tmp1;
 		interp_name = strdup(s);
@@ -592,9 +589,9 @@ static struct library * find_elf_interpreter(ElfW(Ehdr)* ehdr)
 				tmp1 = tmp + 1;
 			tmp++;
 		}
-		for (cur = lib_list; cur; cur=cur->next) {
+		for (cur = lib_list; cur; cur = cur->next) {
 			/* Check if this library is already in the list */
-			if(strcmp(cur->name, tmp1)==0) {
+			if (strcmp(cur->name, tmp1) == 0) {
 				//printf("find_elf_interpreter is replacing '%s' (already in list)\n", cur->name);
 				newlib = cur;
 				free(newlib->name);
@@ -610,7 +607,7 @@ static struct library * find_elf_interpreter(ElfW(Ehdr)* ehdr)
 			newlib = malloc(sizeof(struct library));
 		if (!newlib)
 			return NULL;
-		newlib->name = malloc(strlen(s)+1);
+		newlib->name = malloc(strlen(s) + 1);
 		strcpy(newlib->name, s);
 		newlib->path = strdup(newlib->name);
 		newlib->resolved = 1;
@@ -621,7 +618,7 @@ static struct library * find_elf_interpreter(ElfW(Ehdr)* ehdr)
 		if (!lib_list) {
 			lib_list = newlib;
 		} else {
-			for (cur = lib_list;  cur->next; cur=cur->next); /* nothing */
+			for (cur = lib_list; cur->next; cur = cur->next) ;	/* nothing */
 			cur->next = newlib;
 		}
 #endif
@@ -635,7 +632,7 @@ static struct library * find_elf_interpreter(ElfW(Ehdr)* ehdr)
 /*
 #warning "There may be two warnings here about vfork() clobbering, ignore them"
 */
-int find_dependancies(char* filename)
+int find_dependancies(char *filename)
 {
 	int is_suid = 0;
 	FILE *thefile;
@@ -662,15 +659,14 @@ int find_dependancies(char* filename)
 		return -1;
 	}
 
-	if ((size_t)statbuf.st_size < sizeof(ElfW(Ehdr)))
+	if ((size_t) statbuf.st_size < sizeof(ElfW(Ehdr)))
 		goto foo;
 
 	if (!S_ISREG(statbuf.st_mode))
 		goto foo;
 
 	/* mmap the file to make reading stuff from it effortless */
-	ehdr = (ElfW(Ehdr) *)mmap(0, statbuf.st_size,
-			PROT_READ|PROT_WRITE, MAP_PRIVATE, fileno(thefile), 0);
+	ehdr = mmap(0, statbuf.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fileno(thefile), 0);
 	if (ehdr == MAP_FAILED) {
 		fclose(thefile);
 		fprintf(stderr, "Out of memory!\n");
@@ -704,16 +700,18 @@ foo:
 	interp = find_elf_interpreter(ehdr);
 
 #ifdef __LDSO_LDD_SUPPORT__
-	if (interp && \
-	    (ehdr->e_type == ET_EXEC || ehdr->e_type == ET_DYN) && \
-	    ehdr->e_ident[EI_CLASS] == ELFCLASSM && ehdr->e_ident[EI_DATA] == ELFDATAM && \
-	    ehdr->e_ident[EI_VERSION] == EV_CURRENT && MATCH_MACHINE(ehdr->e_machine))
+	if (interp
+	    && (ehdr->e_type == ET_EXEC || ehdr->e_type == ET_DYN)
+	    && ehdr->e_ident[EI_CLASS] == ELFCLASSM
+	    && ehdr->e_ident[EI_DATA] == ELFDATAM
+	    && ehdr->e_ident[EI_VERSION] == EV_CURRENT
+	    && MATCH_MACHINE(ehdr->e_machine))
 	{
 		struct stat statbuf;
 		if (stat(interp->path, &statbuf) == 0 && S_ISREG(statbuf.st_mode)) {
 			pid_t pid;
 			int status;
-			static const char * const environment[] = {
+			static const char *const environment[] = {
 				"PATH=/usr/bin:/bin:/usr/sbin:/sbin",
 				"SHELL=/bin/sh",
 				"LD_TRACE_LOADED_OBJECTS=1",
@@ -729,7 +727,7 @@ foo:
 
 			/* Wait till it returns */
 			waitpid(pid, &status, 0);
-			if (WIFEXITED(status) && WEXITSTATUS(status)==0) {
+			if (WIFEXITED(status) && WEXITSTATUS(status) == 0) {
 				return 1;
 			}
 
@@ -742,14 +740,14 @@ foo:
 
 	dynsec = elf_find_section_type(SHT_DYNAMIC, ehdr);
 	if (dynsec) {
-		dynamic = (ElfW(Dyn)*)(byteswap_to_host(dynsec->sh_offset) + (char *)ehdr);
+		dynamic = (ElfW(Dyn) *) (byteswap_to_host(dynsec->sh_offset) + (char *)ehdr);
 		find_needed_libraries(ehdr, dynamic, is_suid);
 	}
 
 	return 0;
 }
 
-int main( int argc, char** argv)
+int main(int argc, char **argv)
 {
 	int multi = 0;
 	int got_em_all = 1;
@@ -767,7 +765,7 @@ int main( int argc, char** argv)
 	while (--argc > 0) {
 		++argv;
 
-		if(strcmp(*argv, "--")==0) {
+		if (strcmp(*argv, "--") == 0) {
 			/* Ignore "--" */
 			continue;
 		}
@@ -790,13 +788,13 @@ int main( int argc, char** argv)
 
 		map_cache();
 
-		if (find_dependancies(filename)!=0)
+		if (find_dependancies(filename) != 0)
 			continue;
 
 		while (got_em_all) {
 			got_em_all = 0;
 			/* Keep walking the list till everybody is resolved */
-			for (cur = lib_list; cur; cur=cur->next) {
+			for (cur = lib_list; cur; cur = cur->next) {
 				if (cur->resolved == 0 && cur->path) {
 					got_em_all = 1;
 					printf("checking sub-depends for '%s'\n", cur->path);
@@ -810,16 +808,16 @@ int main( int argc, char** argv)
 
 		/* Print the list */
 		got_em_all = 0;
-		for (cur = lib_list; cur; cur=cur->next) {
+		for (cur = lib_list; cur; cur = cur->next) {
 			got_em_all = 1;
 			printf("\t%s => %s (0x00000000)\n", cur->name, cur->path);
 		}
-		if (interp_name && interpreter_already_found==1)
+		if (interp_name && interpreter_already_found == 1)
 			printf("\t%s => %s (0x00000000)\n", interp_name, interp_name);
 		else
 			printf("\tnot a dynamic executable\n");
 
-		for (cur = lib_list; cur; cur=cur->next) {
+		for (cur = lib_list; cur; cur = cur->next) {
 			free(cur->name);
 			cur->name = NULL;
 			if (cur->path && cur->path != not_found) {

utils/readsoname2.c

@@ -1,145 +1,143 @@
 char *readsonameXX(char *name, FILE *infile, int expected_type, int *type)
 {
-  ElfW(Ehdr) *epnt;
-  ElfW(Phdr) *ppnt;
-  unsigned int i, j;
-  char *header;
-  ElfW(Addr) dynamic_addr = 0;
-  ElfW(Addr) dynamic_size = 0;
-  unsigned long page_size = getpagesize();
-  ElfW(Addr) strtab_val = 0;
-  ElfW(Addr) needed_val;
-  ElfW(Addr) loadaddr = -1;
-  ElfW(Dyn) *dpnt;
-  struct stat st;
-  char *needed;
-  char *soname = NULL;
-  int multi_libcs = 0;
-
-  if(expected_type == LIB_DLL)
-    {
-      warn("%s does not match type specified for directory!", name);
-      expected_type = LIB_ANY;
-    }
-
-  *type = LIB_ELF;
-
-  if (fstat(fileno(infile), &st))
-    return NULL;
-  header = mmap(0, st.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fileno(infile), 0);
-  if (header == (caddr_t)-1)
-    return NULL;
-
-  epnt = (ElfW(Ehdr) *)header;
-  if ((char *)(epnt+1) > (char *)(header + st.st_size))
-    goto skip;
+	ElfW(Ehdr) *epnt;
+	ElfW(Phdr) *ppnt;
+	unsigned int i, j;
+	char *header;
+	ElfW(Addr) dynamic_addr = 0;
+	ElfW(Addr) dynamic_size = 0;
+	unsigned long page_size = getpagesize();
+	ElfW(Addr) strtab_val = 0;
+	ElfW(Addr) needed_val;
+	ElfW(Addr) loadaddr = -1;
+	ElfW(Dyn) *dpnt;
+	struct stat st;
+	char *needed;
+	char *soname = NULL;
+	int multi_libcs = 0;
+
+	if (expected_type == LIB_DLL) {
+		warn("%s does not match type specified for directory!", name);
+		expected_type = LIB_ANY;
+	}
+
+	*type = LIB_ELF;
+
+	if (fstat(fileno(infile), &st))
+		return NULL;
+	header =
+	    mmap(0, st.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE,
+		 fileno(infile), 0);
+	if (header == (caddr_t) - 1)
+		return NULL;
+
+	epnt = (ElfW(Ehdr) *) header;
+	if ((char *)(epnt + 1) > (char *)(header + st.st_size))
+		goto skip;
 
 #if __BYTE_ORDER == __LITTLE_ENDIAN
-  byteswap = (epnt->e_ident[5] == ELFDATA2MSB) ? 1 : 0;
+	byteswap = (epnt->e_ident[5] == ELFDATA2MSB) ? 1 : 0;
 #elif __BYTE_ORDER == __BIG_ENDIAN
-  byteswap = (epnt->e_ident[5] == ELFDATA2LSB) ? 1 : 0;
+	byteswap = (epnt->e_ident[5] == ELFDATA2LSB) ? 1 : 0;
 #else
 #error Unknown host byte order!
 #endif
-  /* Be very lazy, and only byteswap the stuff we use */
-  if (byteswap==1) {
-    epnt->e_phoff=bswap_32(epnt->e_phoff);
-    epnt->e_phnum=bswap_16(epnt->e_phnum);
-  }
-
-  ppnt = (ElfW(Phdr) *)&header[epnt->e_phoff];
-  if ((char *)ppnt < (char *)header ||
-      (char *)(ppnt+epnt->e_phnum) > (char *)(header + st.st_size))
-    goto skip;
-
-  for(i = 0; i < epnt->e_phnum; i++)
-  {
-    /* Be very lazy, and only byteswap the stuff we use */
-    if (byteswap==1) {
-      ppnt->p_type=bswap_32(ppnt->p_type);
-      ppnt->p_vaddr=bswap_32(ppnt->p_vaddr);
-      ppnt->p_offset=bswap_32(ppnt->p_offset);
-      ppnt->p_filesz=bswap_32(ppnt->p_filesz);
-    }
-
-    if (loadaddr == (ElfW(Addr))-1 && ppnt->p_type == PT_LOAD) 
-      loadaddr = (ppnt->p_vaddr & ~(page_size-1)) -
-	(ppnt->p_offset & ~(page_size-1));
-    if(ppnt->p_type == 2)
-    {
-      dynamic_addr = ppnt->p_offset;
-      dynamic_size = ppnt->p_filesz;
-    };
-    ppnt++;
-  };
-    
-  dpnt = (ElfW(Dyn) *) &header[dynamic_addr];
-  dynamic_size = dynamic_size / sizeof(ElfW(Dyn));
-  if ((char *)dpnt < (char *)header ||
-      (char *)(dpnt+dynamic_size) > (char *)(header + st.st_size))
-    goto skip;
-  
-  if (byteswap==1) {
-    dpnt->d_tag=bswap_32(dpnt->d_tag);
-    dpnt->d_un.d_val=bswap_32(dpnt->d_un.d_val);
-  }
-
-  while (dpnt->d_tag != DT_NULL)
-  {
-    if (dpnt->d_tag == DT_STRTAB)
-      strtab_val = dpnt->d_un.d_val;
-    dpnt++;
-    if (byteswap==1) {
-      dpnt->d_tag=bswap_32(dpnt->d_tag);
-      dpnt->d_un.d_val=bswap_32(dpnt->d_un.d_val);
-    }
-  };
-
-  if (!strtab_val)
-    goto skip;
-
-  dpnt = (ElfW(Dyn) *) &header[dynamic_addr];
-  while (dpnt->d_tag != DT_NULL)
-  {
-    if (dpnt->d_tag == DT_SONAME || dpnt->d_tag == DT_NEEDED)
-    {
-      needed_val = dpnt->d_un.d_val;
-      if (needed_val + strtab_val >= loadaddr ||
-	  needed_val + strtab_val < st.st_size - loadaddr)
-      {
-	needed = (char *) (header - loadaddr + strtab_val + needed_val);
-
-	if (dpnt->d_tag == DT_SONAME)
-	  soname = xstrdup(needed);
-
-	for (j = 0; needed_tab[j].soname != NULL; j++)
-	{
-	  if (strcmp(needed, needed_tab[j].soname) == 0)
-	  {
-	    if (*type != LIB_ELF && *type != needed_tab[j].type)
-	      multi_libcs = 1;
-	    *type = needed_tab[j].type;
-	  }
+	/* Be very lazy, and only byteswap the stuff we use */
+	if (byteswap == 1) {
+		epnt->e_phoff = bswap_32(epnt->e_phoff);
+		epnt->e_phnum = bswap_16(epnt->e_phnum);
+	}
+
+	ppnt = (ElfW(Phdr) *) & header[epnt->e_phoff];
+	if ((char *)ppnt < (char *)header ||
+	    (char *)(ppnt + epnt->e_phnum) > (char *)(header + st.st_size))
+		goto skip;
+
+	for (i = 0; i < epnt->e_phnum; i++) {
+		/* Be very lazy, and only byteswap the stuff we use */
+		if (byteswap == 1) {
+			ppnt->p_type = bswap_32(ppnt->p_type);
+			ppnt->p_vaddr = bswap_32(ppnt->p_vaddr);
+			ppnt->p_offset = bswap_32(ppnt->p_offset);
+			ppnt->p_filesz = bswap_32(ppnt->p_filesz);
+		}
+
+		if (loadaddr == (ElfW(Addr)) - 1 && ppnt->p_type == PT_LOAD)
+			loadaddr = (ppnt->p_vaddr & ~(page_size - 1)) -
+			    (ppnt->p_offset & ~(page_size - 1));
+		if (ppnt->p_type == 2) {
+			dynamic_addr = ppnt->p_offset;
+			dynamic_size = ppnt->p_filesz;
+		};
+		ppnt++;
+	};
+
+	dpnt = (ElfW(Dyn) *) & header[dynamic_addr];
+	dynamic_size = dynamic_size / sizeof(ElfW(Dyn));
+	if ((char *)dpnt < (char *)header ||
+	    (char *)(dpnt + dynamic_size) > (char *)(header + st.st_size))
+		goto skip;
+
+	if (byteswap == 1) {
+		dpnt->d_tag = bswap_32(dpnt->d_tag);
+		dpnt->d_un.d_val = bswap_32(dpnt->d_un.d_val);
+	}
+
+	while (dpnt->d_tag != DT_NULL) {
+		if (dpnt->d_tag == DT_STRTAB)
+			strtab_val = dpnt->d_un.d_val;
+		dpnt++;
+		if (byteswap == 1) {
+			dpnt->d_tag = bswap_32(dpnt->d_tag);
+			dpnt->d_un.d_val = bswap_32(dpnt->d_un.d_val);
+		}
+	};
+
+	if (!strtab_val)
+		goto skip;
+
+	dpnt = (ElfW(Dyn) *) & header[dynamic_addr];
+	while (dpnt->d_tag != DT_NULL) {
+		if (dpnt->d_tag == DT_SONAME || dpnt->d_tag == DT_NEEDED) {
+			needed_val = dpnt->d_un.d_val;
+			if (needed_val + strtab_val >= loadaddr ||
+			    needed_val + strtab_val < st.st_size - loadaddr) {
+				needed =
+				    (char *)(header - loadaddr + strtab_val +
+					     needed_val);
+
+				if (dpnt->d_tag == DT_SONAME)
+					soname = xstrdup(needed);
+
+				for (j = 0; needed_tab[j].soname != NULL; j++) {
+					if (strcmp(needed, needed_tab[j].soname)
+					    == 0) {
+						if (*type != LIB_ELF
+						    && *type !=
+						    needed_tab[j].type)
+							multi_libcs = 1;
+						*type = needed_tab[j].type;
+					}
+				}
+			}
+		}
+		dpnt++;
+	};
+
+	if (multi_libcs)
+		warn("%s appears to be for multiple libc's", name);
+
+	/* If we could not deduce the libc type, and we know what to expect, set the type */
+	if (*type == LIB_ELF && expected_type != LIB_ANY)
+		*type = expected_type;
+
+	if (expected_type != LIB_ANY && expected_type != LIB_ELF &&
+	    expected_type != *type) {
+		warn("%s does not match type specified for directory!", name);
 	}
-      }
-    }
-    dpnt++;
-  };
-  
-  if (multi_libcs)
-    warn("%s appears to be for multiple libc's", name);
-
-  /* If we could not deduce the libc type, and we know what to expect, set the type */
-  if(*type == LIB_ELF && expected_type != LIB_ANY) *type = expected_type;
-
-  if(expected_type != LIB_ANY && expected_type != LIB_ELF && 
-     expected_type != *type)
-  {
-      warn("%s does not match type specified for directory!", name);
-  }
-
- skip:
-  munmap(header, st.st_size);
-
-  return soname;
+
+      skip:
+	munmap(header, st.st_size);
+
+	return soname;
 }