Updated to fedora-glibc-20050319T1907cvs/fedora-glibc-2_3_4-15

4 files changed, 100 insertions, 56 deletions

diff --git a/posix/bits/unistd.h b/posix/bits/unistd.h
index dab98af569..988f0167ed 100644
--- a/posix/bits/unistd.h
+++ b/posix/bits/unistd.h
@@ -21,44 +21,78 @@
 # error "Never include <bits/unistd.h> directly; use <unistd.h> instead."
 #endif
 
-extern void __chk_fail (void) __attribute__((noreturn));
-#define read(fd, buf, nbytes) \
-  (__extension__							      \
-    ({ size_t __nbytes_val = (nbytes);			  		      \
-       if (__bos0 (buf) != (size_t) -1 && __bos0 (buf) < __nbytes_val)	      \
-         __chk_fail ();							      \
-       read (fd, buf, __nbytes_val); }))
+extern void __chk_fail (void) __attribute__((__noreturn__));
+extern ssize_t __REDIRECT (__read_alias, (int __fd, void *__buf,
+					  size_t __nbytes), read) __wur;
+
+extern __always_inline __wur ssize_t
+read (int __fd, void *__buf, size_t __nbytes)
+{
+  if (__bos0 (__buf) != (size_t) -1 && __nbytes > __bos0 (__buf))
+    __chk_fail ();
+  return __read_alias (__fd, __buf, __nbytes);
+}
 
 #ifdef __USE_UNIX98
-# define pread(fd, buf, nbytes, offset) \
-  (__extension__							      \
-    ({ size_t __nbytes_val = (nbytes);			  		      \
-       if (__bos0 (buf) != (size_t) -1 && __bos0 (buf) < __nbytes_val)	      \
-         __chk_fail ();							      \
-       pread (fd, buf, __nbytes_val, offset); }))
+extern ssize_t __REDIRECT (__pread_alias,
+			   (int __fd, void *__buf, size_t __nbytes,
+			    __off_t __offset), pread) __wur;
+extern ssize_t __REDIRECT (__pread64_alias,
+			   (int __fd, void *__buf, size_t __nbytes,
+			    __off64_t __offset), pread64) __wur;
+
+# ifndef __USE_FILE_OFFSET64
+extern __always_inline __wur ssize_t
+pread (int __fd, void *__buf, size_t __nbytes, __off_t __offset)
+{
+  if (__bos0 (__buf) != (size_t) -1 && __nbytes > __bos0 (__buf))
+    __chk_fail ();
+  return __pread_alias (__fd, __buf, __nbytes, __offset);
+}
+# else
+extern __always_inline __wur ssize_t
+pread (int __fd, void *__buf, size_t __nbytes, __off_t __offset)
+{
+  if (__bos0 (__buf) != (size_t) -1 && __nbytes > __bos0 (__buf))
+    __chk_fail ();
+  return __pread64_alias (__fd, __buf, __nbytes, __offset);
+}
+# endif
 
 # ifdef __USE_LARGEFILE64
-#  define pread64(fd, buf, nbytes, offset) \
-  (__extension__							      \
-    ({ size_t __nbytes_val = (nbytes);			  		      \
-       if (__bos0 (buf) != (size_t) -1 && __bos0 (buf) < __nbytes_val)	      \
-         __chk_fail ();							      \
-       pread64 (fd, buf, __nbytes_val, offset); }))
+extern __always_inline __wur ssize_t
+pread64 (int __fd, void *__buf, size_t __nbytes, __off64_t __offset)
+{
+  if (__bos0 (__buf) != (size_t) -1 && __nbytes > __bos0 (__buf))
+    __chk_fail ();
+  return __pread64_alias (__fd, __buf, __nbytes, __offset);
+}
 # endif
 #endif
 
 #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K
-# define readlink(path, buf, len) \
-  (__extension__							      \
-    ({ size_t __len_val = (len);			  		      \
-       if (__bos (buf) != (size_t) -1 && __bos (buf) < __len_val)	      \
-         __chk_fail ();							      \
-       readlink (path, buf, __len_val); }))
+extern int __REDIRECT_NTH (__readlink_alias,
+			   (__const char *__restrict __path,
+			    char *__restrict __buf, size_t __len), readlink)
+     __nonnull ((1, 2)) __wur;
+
+extern __always_inline __nonnull ((1, 2)) __wur int
+__NTH (readlink (__const char *__restrict __path, char *__restrict __buf,
+		 size_t __len))
+{
+  if (__bos (__buf) != (size_t) -1 && __len > __bos (__buf))
+    __chk_fail ();
+  return __readlink_alias (__path, __buf, __len);
+}
 #endif
 
-#define getcwd(buf, size) \
-  (__extension__							      \
-    ({ size_t __size_val = (size);			  		      \
-       if (__bos (buf) != (size_t) -1 && __bos (buf) < __size_val)	      \
-         __chk_fail ();							      \
-       getcwd (buf, __size_val); }))
+extern char *__REDIRECT_NTH (__getcwd_alias,
+			     (char *__buf, size_t __size), getcwd) __wur;
+
+extern __always_inline __wur char *
+__NTH (getcwd (char *__buf, size_t __size))
+{
+  if (__bos (__buf) != (size_t) -1 && __size > __bos (__buf))
+    __chk_fail ();
+  return __getcwd_alias (__buf, __size);
+}
diff --git a/posix/regcomp.c b/posix/regcomp.c
index a7112cffdd..68e2bdab92 100644
--- a/posix/regcomp.c
+++ b/posix/regcomp.c
@@ -359,7 +359,8 @@ re_compile_fastmap_iter (bufp, init_state, fastmap)
 	      memset (&state, 0, sizeof (state));
 	      if (mbrtowc (&wc, (const char *) buf, p - buf,
 			   &state) == p - buf
-		  && __wcrtomb ((char *) buf, towlower (wc), &state) > 0)
+		  && (__wcrtomb ((char *) buf, towlower (wc), &state)
+		      != (size_t) -1))
 		re_set_fastmap (fastmap, 0, buf[0]);
 	    }
 #endif
@@ -409,12 +410,13 @@ re_compile_fastmap_iter (bufp, init_state, fastmap)
 	      char buf[256];
 	      mbstate_t state;
 	      memset (&state, '\0', sizeof (state));
-	      __wcrtomb (buf, cset->mbchars[i], &state);
-	      re_set_fastmap (fastmap, icase, *(unsigned char *) buf);
+	      if (__wcrtomb (buf, cset->mbchars[i], &state) != (size_t) -1)
+		re_set_fastmap (fastmap, icase, *(unsigned char *) buf);
 	      if ((bufp->syntax & RE_ICASE) && dfa->mb_cur_max > 1)
 		{
-		  __wcrtomb (buf, towlower (cset->mbchars[i]), &state);
-		  re_set_fastmap (fastmap, 0, *(unsigned char *) buf);
+		  if (__wcrtomb (buf, towlower (cset->mbchars[i]), &state)
+		      != (size_t) -1)
+		    re_set_fastmap (fastmap, 0, *(unsigned char *) buf);
 		}
 	    }
 	}
diff --git a/posix/regex_internal.c b/posix/regex_internal.c
index c3295a851c..b3d44c368d 100644
--- a/posix/regex_internal.c
+++ b/posix/regex_internal.c
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
 
@@ -214,12 +214,14 @@ build_wcs_buffer (pstr)
      re_string_t *pstr;
 {
 #ifdef _LIBC
-  unsigned char buf[pstr->mb_cur_max];
+  unsigned char buf[MB_CUR_MAX];
+  assert (MB_CUR_MAX >= pstr->mb_cur_max);
 #else
   unsigned char buf[64];
 #endif
   mbstate_t prev_st;
-  int byte_idx, end_idx, mbclen, remain_len;
+  int byte_idx, end_idx, remain_len;
+  size_t mbclen;
 
   /* Build the buffers from pstr->valid_len to either pstr->len or
      pstr->bufs_len.  */
@@ -280,11 +282,13 @@ build_wcs_upper_buffer (pstr)
      re_string_t *pstr;
 {
   mbstate_t prev_st;
-  int src_idx, byte_idx, end_idx, mbclen, remain_len;
+  int src_idx, byte_idx, end_idx, remain_len;
+  size_t mbclen;
 #ifdef _LIBC
-  unsigned char buf[pstr->mb_cur_max];
+  char buf[MB_CUR_MAX];
+  assert (MB_CUR_MAX >= pstr->mb_cur_max);
 #else
-  unsigned char buf[64];
+  char buf[64];
 #endif
 
   byte_idx = pstr->valid_len;
@@ -316,12 +320,12 @@ build_wcs_upper_buffer (pstr)
 	  mbclen = mbrtowc (&wc,
 			    ((const char *) pstr->raw_mbs + pstr->raw_mbs_idx
 			     + byte_idx), remain_len, &pstr->cur_state);
-	  if (BE (mbclen > 0, 1))
+	  if (BE (mbclen + 2 > 2, 1))
 	    {
 	      wchar_t wcu = wc;
 	      if (iswlower (wc))
 		{
-		  int mbcdlen;
+		  size_t mbcdlen;
 
 		  wcu = towupper (wc);
 		  mbcdlen = wcrtomb (buf, wcu, &prev_st);
@@ -384,20 +388,20 @@ build_wcs_upper_buffer (pstr)
 	else
 	  p = (const char *) pstr->raw_mbs + pstr->raw_mbs_idx + src_idx;
 	mbclen = mbrtowc (&wc, p, remain_len, &pstr->cur_state);
-	if (BE (mbclen > 0, 1))
+	if (BE (mbclen + 2 > 2, 1))
 	  {
 	    wchar_t wcu = wc;
 	    if (iswlower (wc))
 	      {
-		int mbcdlen;
+		size_t mbcdlen;
 
 		wcu = towupper (wc);
 		mbcdlen = wcrtomb ((char *) buf, wcu, &prev_st);
 		if (BE (mbclen == mbcdlen, 1))
 		  memcpy (pstr->mbs + byte_idx, buf, mbclen);
-		else
+		else if (mbcdlen != (size_t) -1)
 		  {
-		    int i;
+		    size_t i;
 
 		    if (byte_idx + mbcdlen > pstr->bufs_len)
 		      {
@@ -414,7 +418,7 @@ build_wcs_upper_buffer (pstr)
 		      }
 		    if (!pstr->offsets_needed)
 		      {
-			for (i = 0; i < byte_idx; ++i)
+			for (i = 0; i < (size_t) byte_idx; ++i)
 			  pstr->offsets[i] = i;
 			pstr->offsets_needed = 1;
 		      }
@@ -437,13 +441,15 @@ build_wcs_upper_buffer (pstr)
 		    src_idx += mbclen;
 		    continue;
 		  }
+                else
+                  memcpy (pstr->mbs + byte_idx, p, mbclen);
 	      }
 	    else
 	      memcpy (pstr->mbs + byte_idx, p, mbclen);
 
 	    if (BE (pstr->offsets_needed != 0, 0))
 	      {
-		int i;
+		size_t i;
 		for (i = 0; i < mbclen; ++i)
 		  pstr->offsets[byte_idx + i] = src_idx + i;
 	      }
@@ -494,7 +500,8 @@ re_string_skip_chars (pstr, new_raw_idx, last_wc)
      wint_t *last_wc;
 {
   mbstate_t prev_st;
-  int rawbuf_idx, mbclen;
+  int rawbuf_idx;
+  size_t mbclen;
   wchar_t wc = 0;
 
   /* Skip the characters which are not necessary to check.  */
@@ -666,8 +673,9 @@ re_string_reconstruct (pstr, idx, eflags)
 			/* XXX Don't use mbrtowc, we know which conversion
 			   to use (UTF-8 -> UCS4).  */
 			memset (&cur_state, 0, sizeof (cur_state));
-			mlen = mbrtowc (&wc2, p, mlen, &cur_state)
-			       - (raw + offset - p);
+			mlen = (mbrtowc (&wc2, (const char *) p, mlen,
+					 &cur_state)
+				- (raw + offset - p));
 			if (mlen >= 0)
 			  {
 			    memset (&pstr->cur_state, '\0',
diff --git a/posix/regexec.c b/posix/regexec.c
index 636396e6f7..3c226e3c20 100644
--- a/posix/regexec.c
+++ b/posix/regexec.c
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
 
@@ -3781,8 +3781,8 @@ check_node_accept_bytes (dfa, node_idx, input, str_idx)
     {
       const re_charset_t *cset = node->opr.mbcset;
 # ifdef _LIBC
-      const unsigned char *pin = ((char *) re_string_get_buffer (input)
-				  + str_idx);
+      const unsigned char *pin
+	= ((const unsigned char *) re_string_get_buffer (input) + str_idx);
       int j;
       uint32_t nrules;
 # endif /* _LIBC */