- improve UCLIBC_LINUX_SPECIFIC

  compile-tested only, fixes
  libc/misc/statfs/fstatfs64.c:29: error: 'fstatfs' undeclared here (not in a function)

libc/misc/statfs/Makefile.in

@@ -7,7 +7,10 @@
 
 CSRC := statvfs.c fstatvfs.c
 ifeq ($(UCLIBC_HAS_LFS),y)
-CSRC += fstatfs64.c statfs64.c statvfs64.c fstatvfs64.c
+ifeq ($(UCLIBC_LINUX_SPECIFIC),y)
+CSRC += fstatfs64.c statfs64.c
+endif
+CSRC += statvfs64.c fstatvfs64.c
 endif
 
 MISC_STATFS_DIR := $(top_srcdir)libc/misc/statfs

libc/misc/statfs/fstatvfs.c

@@ -34,7 +34,6 @@ libc_hidden_proto(setmntent)
 libc_hidden_proto(getmntent_r)
 libc_hidden_proto(endmntent)
 
-#if !defined __UCLIBC_LINUX_SPECIFIC__
 #ifndef __USE_FILE_OFFSET64
 extern int fstatfs (int __fildes, struct statfs *__buf)
      __THROW __nonnull ((2));
@@ -46,7 +45,7 @@ extern int __REDIRECT_NTH (fstatfs, (int __fildes, struct statfs *__buf),
 #  define fstatfs fstatfs64
 # endif
 #endif
-#endif
+
 extern __typeof(fstatfs) __libc_fstatfs;
 libc_hidden_proto(__libc_fstatfs)
 libc_hidden_proto(fstat)

libc/misc/statfs/fstatvfs64.c

@@ -28,6 +28,7 @@
 #include <sys/statfs.h>
 #include <sys/statvfs.h>
 
+
 /* Experimentally off - libc_hidden_proto(memset) */
 /* Experimentally off - libc_hidden_proto(strcmp) */
 /* Experimentally off - libc_hidden_proto(strsep) */
@@ -37,19 +38,40 @@ libc_hidden_proto(endmntent)
 
 #undef stat
 #define stat stat64
+#if defined __UCLIBC_LINUX_SPECIFIC__
 libc_hidden_proto(fstatfs64)
 libc_hidden_proto(fstat64)
+#endif
 libc_hidden_proto(stat64)
 
 int fstatvfs64 (int fd, struct statvfs64 *buf)
 {
     struct statfs64 fsbuf;
     struct stat64 st;
+#if !defined __UCLIBC_LINUX_SPECIFIC__
+    int ret;
+    struct statvfs buf32;
 
+    ret = fstatvfs (fd, &buf32);
+    if (ret == 0) {
+      fsbuf.f_bsize = buf32.f_bsize;
+      fsbuf.f_frsize = buf32.f_frsize;
+      fsbuf.f_blocks = buf32.f_blocks;
+      fsbuf.f_bfree = buf32.f_bfree;
+      fsbuf.f_bavail = buf32.f_bavail;
+      fsbuf.f_files = buf32.f_files;
+      fsbuf.f_ffree = buf32.f_ffree;
+      if (sizeof (fsbuf.f_fsid) == sizeof(buf32.f_fsid))
+	memcpy (&fsbuf.f_fsid, &buf32.f_fsid, sizeof(fsbuf.f_fsid));
+      /* and if not, then you could approximate or whatever.. */
+      fsbuf.f_namelen = buf32.f_namemax;
+    } else
+      return ret;
+#else
     /* Get as much information as possible from the system.  */
     if (fstatfs64 (fd, &fsbuf) < 0)
 	return -1;
-
+#endif
 #define STAT(st) fstat64 (fd, st)
 #include "internal_statvfs.c"
 

libc/misc/statfs/statvfs64.c

@@ -37,18 +37,41 @@ libc_hidden_proto(endmntent)
 
 #undef stat
 #define stat stat64
+#if !defined __UCLIBC_LINUX_SPECIFIC__
 libc_hidden_proto(statfs64)
+#else
+libc_hidden_proto(statvfs)
+#endif
 libc_hidden_proto(stat64)
 
 int statvfs64 (const char *file, struct statvfs64 *buf)
 {
     struct statfs64 fsbuf;
     struct stat64 st;
+#if !defined __UCLIBC_LINUX_SPECIFIC__
+    int ret;
+    struct statvfs buf32;
 
+    ret = statvfs (file, &buf32);
+    if (ret == 0) {
+      fsbuf.f_bsize = buf32.f_bsize;
+      fsbuf.f_frsize = buf32.f_frsize;
+      fsbuf.f_blocks = buf32.f_blocks;
+      fsbuf.f_bfree = buf32.f_bfree;
+      fsbuf.f_bavail = buf32.f_bavail;
+      fsbuf.f_files = buf32.f_files;
+      fsbuf.f_ffree = buf32.f_ffree;
+      if (sizeof (fsbuf.f_fsid) == sizeof(buf32.f_fsid))
+	memcpy (&fsbuf.f_fsid, &buf32.f_fsid, sizeof(fsbuf.f_fsid));
+      /* and if not, then you could approximate or whatever.. */
+      fsbuf.f_namelen = buf32.f_namemax;
+    } else
+      return ret;
+#else
     /* Get as much information as possible from the system.  */
     if (statfs64 (file, &fsbuf) < 0)
 	return -1;
-
+#endif
 #define STAT(st) stat (file, st)
 #include "internal_statvfs.c"
 

libc/sysdeps/linux/common/fstatfs.c

@@ -10,7 +10,6 @@
 #include <sys/syscall.h>
 #include <sys/vfs.h>
 
-#if !defined __UCLIBC_LINUX_SPECIFIC__
 #ifndef __USE_FILE_OFFSET64
 extern int fstatfs (int __fildes, struct statfs *__buf)
      __THROW __nonnull ((2));
@@ -22,7 +21,7 @@ extern int __REDIRECT_NTH (fstatfs, (int __fildes, struct statfs *__buf),
 #  define fstatfs fstatfs64
 # endif
 #endif
-#endif
+
 extern __typeof(fstatfs) __libc_fstatfs;
 libc_hidden_proto(__libc_fstatfs)
 #define __NR___libc_fstatfs __NR_fstatfs

libc/unistd/fpathconf.c

@@ -32,7 +32,7 @@
 //#include "linux_fsinfo.h"
 
 libc_hidden_proto(fstat)
-#if !defined __UCLIBC_LINUX_SPECIFIC__
+
 #ifndef __USE_FILE_OFFSET64
 extern int fstatfs (int __fildes, struct statfs *__buf)
      __THROW __nonnull ((2));
@@ -44,7 +44,7 @@ extern int fstatfs (int __fildes, struct statfs *__buf)
 #  define fstatfs fstatfs64
 # endif
 #endif
-#endif
+
 extern __typeof(fstatfs) __libc_fstatfs;
 libc_hidden_proto(__libc_fstatfs)