misc: hide __gen_tempname

fix signed vs. unsigned comparison warnings while at it

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

libc/misc/internals/tempname.c

@@ -110,7 +110,7 @@ int attribute_hidden ___path_search (char *tmpl, size_t tmpl_len, const char *di
 	dlen--;			/* remove trailing slashes */
 
     /* check we have room for "${dir}/${pfx}XXXXXX\0" */
-    if (tmpl_len < dlen + 1 + plen + 6 + 1)
+    if (tmpl_len < (size_t)dlen + 1 + plen + 6 + 1)
     {
 	__set_errno (EINVAL);
 	return -1;
@@ -178,7 +178,7 @@ static void brain_damaged_fillrand(unsigned char *buf, unsigned int len)
    __GT_DIR:            create a directory with given mode.
 
 */
-int __gen_tempname (char *tmpl, int kind, mode_t mode)
+int attribute_hidden __gen_tempname (char *tmpl, int kind, mode_t mode)
 {
     char *XXXXXX;
     unsigned int i;
@@ -196,7 +196,7 @@ int __gen_tempname (char *tmpl, int kind, mode_t mode)
     }
 
     for (i = 0; i < TMP_MAX; ++i) {
-	int j;
+	unsigned char j;
 	/* Get some random data.  */
 	if (fillrand(randomness, sizeof(randomness)) != sizeof(randomness)) {
 	    /* if random device nodes failed us, lets use the braindamaged ver */

libc/misc/internals/tempname.h

@@ -10,7 +10,7 @@ extern int ___path_search (char *tmpl, size_t tmpl_len, const char *dir,
 	        const char *pfx /*, int try_tmpdir */) attribute_hidden;
 #define __path_search(tmpl, tmpl_len, dir, pfx, try_tmpdir) ___path_search(tmpl, tmpl_len, dir, pfx)
 
-extern int __gen_tempname (char *__tmpl, int __kind, mode_t mode);
+extern int __gen_tempname (char *__tmpl, int __kind, mode_t mode) attribute_hidden;
 
 /* The __kind argument to __gen_tempname may be one of: */
 #define __GT_FILE     0       /* create a file */

libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch

@@ -62,7 +62,7 @@ libpthread_linux_CSRC += pthread_attr_getaffinity.c pthread_attr_setaffinity.c \
 	pthread_getcpuclockid.c pthread_kill.c			\
 	pthread_mutex_cond_lock.c pthread_yield.c		\
 	sem_post.c sem_timedwait.c sem_trywait.c sem_wait.c	\
-	pt-fork.c pt-sleep.c pthread_sigqueue.c			\
+	pt-fork.c pt-sleep.c pthread_sigqueue.c	pt-tempname.c	\
 	sigtimedwait.c sigwaitinfo.c sigwait.c			\
 	lowlevellock.c lowlevelrobustlock.c