Update.

	* misc/getusershell.c: Make strings in okshells array const.
	* misc/regexp.c: Add const to cast to avoid warnings.
	* sysdeps/unix/sysv/linux/llseek.c: Add prototype for __llseek.
	* sysdeps/unix/sysv/linux/i386/setresuid.c: Add prototype for
	__setresuid.
	* sysdeps/unix/sysv/linux/i386/setresgid.c: Add prototype for
	setresgid.
	* misc/error.c: Add prototypes for __error and __error_at_line.
	* misc/mntent_r.c (__getmntent_r): Add break at end of switch
	statement to avoid warning.

8 files changed, 31 insertions, 9 deletions

diff --git a/ChangeLog b/ChangeLog
index cbe8df02a9..1550e07228 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,15 @@
 2000-11-27  Ulrich Drepper  <drepper@redhat.com>
 
+	* misc/getusershell.c: Make strings in okshells array const.
+	* misc/regexp.c: Add const to cast to avoid warnings.
+	* sysdeps/unix/sysv/linux/llseek.c: Add prototype for __llseek.
+	* sysdeps/unix/sysv/linux/i386/setresuid.c: Add prototype for
+	__setresuid.
+	* sysdeps/unix/sysv/linux/i386/setresgid.c: Add prototype for
+	setresgid.
+	* misc/error.c: Add prototypes for __error and __error_at_line.
+	* misc/mntent_r.c (__getmntent_r): Add break at end of switch
+	statement to avoid warning.
 	* test-skeleton.c: Mark timeout_handler with noreturn.
 	* iconv/skeleton.c (get16u): Add const to cast.
 	(get32u): Likewise.
diff --git a/misc/error.c b/misc/error.c
index 690b5bdc99..599de78629 100644
--- a/misc/error.c
+++ b/misc/error.c
@@ -74,6 +74,10 @@ unsigned int error_message_count;
 
 /* In GNU libc we want do not want to use the common name `error' directly.
    Instead make it a weak alias.  */
+extern void __error (int status, int errnum, const char *message, ...);
+extern void __error_at_line (int status, int errnum, const char *file_name,
+			     unsigned int line_number, const char *message,
+			     ...);
 # define error __error
 # define error_at_line __error_at_line
 
diff --git a/misc/getusershell.c b/misc/getusershell.c
index 9e22125133..5ac08ce7f8 100644
--- a/misc/getusershell.c
+++ b/misc/getusershell.c
@@ -45,8 +45,7 @@ static char sccsid[] = "@(#)getusershell.c	8.1 (Berkeley) 6/4/93";
  * /etc/shells.
  */
 
-static char *okshells[] = { (char *) _PATH_BSHELL, (char *) _PATH_CSHELL,
-			    NULL };
+static const char *okshells[] = { _PATH_BSHELL, _PATH_CSHELL, NULL };
 static char **curshell, **shells, *strings;
 static char **initshells __P((void));
 
@@ -101,21 +100,21 @@ initshells()
 		free(strings);
 	strings = NULL;
 	if ((fp = fopen(_PATH_SHELLS, "r")) == NULL)
-		return (okshells);
+		return (char **) okshells;
 	if (fstat64(fileno(fp), &statb) == -1) {
 		(void)fclose(fp);
-		return (okshells);
+		return (char **) okshells;
 	}
 	if ((strings = malloc((u_int)statb.st_size + 1)) == NULL) {
 		(void)fclose(fp);
-		return (okshells);
+		return (char **) okshells;
 	}
 	shells = calloc((unsigned)statb.st_size / 3, sizeof (char *));
 	if (shells == NULL) {
 		(void)fclose(fp);
 		free(strings);
 		strings = NULL;
-		return (okshells);
+		return (char **) okshells;
 	}
 	sp = shells;
 	cp = strings;
diff --git a/misc/mntent_r.c b/misc/mntent_r.c
index 78b1c2dcea..5ba404d4de 100644
--- a/misc/mntent_r.c
+++ b/misc/mntent_r.c
@@ -1,5 +1,5 @@
 /* Utilities for reading/writing fstab, mtab, etc.
-   Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1995,1996,1997,1998,1999,2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -144,6 +144,7 @@ __getmntent_r (FILE *stream, struct mntent *mp, char *buffer, int bufsiz)
     case 1:
       mp->mnt_passno = 0;
     case 2:
+      break;
     }
   funlockfile (stream);
 
diff --git a/misc/regexp.c b/misc/regexp.c
index fbc32e74d0..3308239876 100644
--- a/misc/regexp.c
+++ b/misc/regexp.c
@@ -33,6 +33,7 @@ char *locs;
    found in the buffer starting at EXPBUF.  `loc1' will return the
    first character matched and `loc2' points to the next unmatched
    character.  */
+extern int __step (const char *string, const char *expbuf);
 int
 __step (const char *string, const char *expbuf)
 {
@@ -41,7 +42,7 @@ __step (const char *string, const char *expbuf)
   expbuf += __alignof (regex_t *);
   expbuf -= (expbuf - ((const char *) 0)) % __alignof__ (regex_t *);
 
-  if (__regexec ((regex_t *) expbuf, string, 1, &match, REG_NOTEOL)
+  if (__regexec ((const regex_t *) expbuf, string, 1, &match, REG_NOTEOL)
       == REG_NOMATCH)
     return 0;
 
@@ -55,6 +56,7 @@ weak_alias (__step, step)
 /* Match the beginning of STRING with the compiled regular expression
    in EXPBUF.  If the match is successful `loc2' will contain the
    position of the first unmatched character.  */
+extern int __advance (const char *string, const char *expbuf);
 int
 __advance (const char *string, const char *expbuf)
 {
@@ -63,7 +65,7 @@ __advance (const char *string, const char *expbuf)
   expbuf += __alignof__ (regex_t *);
   expbuf -= (expbuf - ((const char *) 0)) % __alignof__ (regex_t *);
 
-  if (__regexec ((regex_t *) expbuf, string, 1, &match, REG_NOTEOL)
+  if (__regexec ((const regex_t *) expbuf, string, 1, &match, REG_NOTEOL)
       == REG_NOMATCH
       /* We have to check whether the check is at the beginning of the
 	 buffer.  */
diff --git a/sysdeps/unix/sysv/linux/i386/setresgid.c b/sysdeps/unix/sysv/linux/i386/setresgid.c
index 51ee2141ed..5d77f4da74 100644
--- a/sysdeps/unix/sysv/linux/i386/setresgid.c
+++ b/sysdeps/unix/sysv/linux/i386/setresgid.c
@@ -41,6 +41,8 @@ extern int __libc_missing_32bit_uids;
 #  endif
 # endif /* __NR_setresgid32 */
 
+extern int setresgid (gid_t rgid, gid_t egid, gid_t sgid);
+
 int
 setresgid (gid_t rgid, gid_t egid, gid_t sgid)
 {
diff --git a/sysdeps/unix/sysv/linux/i386/setresuid.c b/sysdeps/unix/sysv/linux/i386/setresuid.c
index e5723a0336..55f22acc0f 100644
--- a/sysdeps/unix/sysv/linux/i386/setresuid.c
+++ b/sysdeps/unix/sysv/linux/i386/setresuid.c
@@ -41,6 +41,8 @@ extern int __libc_missing_32bit_uids;
 #  endif
 # endif /* __NR_setresuid32 */
 
+extern int __setresuid (uid_t ruid, uid_t euid, uid_t suid);
+
 int
 __setresuid (uid_t ruid, uid_t euid, uid_t suid)
 {
diff --git a/sysdeps/unix/sysv/linux/llseek.c b/sysdeps/unix/sysv/linux/llseek.c
index 280f83d72e..e62223ded1 100644
--- a/sysdeps/unix/sysv/linux/llseek.c
+++ b/sysdeps/unix/sysv/linux/llseek.c
@@ -27,6 +27,8 @@ extern int __syscall__llseek (int fd, off_t offset_hi, off_t offset_lo,
 			      loff_t *__unbounded result, int whence);
 
 /* Seek to OFFSET on FD, starting from WHENCE.  */
+extern loff_t __llseek (int fd, loff_t offset, int whence);
+
 loff_t
 __llseek (int fd, loff_t offset, int whence)
 {