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-rw-r--r--ChangeLog22
-rw-r--r--string/Makefile3
-rw-r--r--string/bits/string2.h7
-rw-r--r--string/bug-strncat1.c30
-rw-r--r--string/bug-strpbrk1.c18
-rw-r--r--string/bug-strspn1.c18
-rw-r--r--sysdeps/generic/lockf.c3
-rw-r--r--sysdeps/i386/i486/bits/string.h9
8 files changed, 101 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index a278eabca6..6ce521c22a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,27 @@
2000-10-29 Ulrich Drepper <drepper@redhat.com>
+ * string/bits/string2.h (strspn): Evaluate first argument if
+ second is "".
+ (strpbrk): Likewise.
+ * sysdeps/i386/i486/bits/string.h: Likewise.
+ * string/Makefile (tests): Add bug-strspn1 and bug-strpbrk1.
+ * string/bug-strspn1.c: New file.
+ * string/bug-strpbrk1.c: New file.
+ Test cases by Joseph S. Myers <jsm28@cam.ac.uk>.
+
+ * string/bits/string2.h (strncat): Terminate string correctly.
+ * sysdeps/i386/i486/bits/string.h (strncat): Likewise.
+ * string/Makefile (tests): Add bug-strncat1.
+ * string/bug-strncat1.c: New file.
+ Test case by Joseph S. Myers <jsm28@cam.ac.uk>.
+
+2000-10-27 Ben Collins <bcollins@debian.org>
+
+ * sysdeps/generic/lockf.c (lockf): Set l_type to F_RDLCK before
+ calling for F_GETLK.
+
+2000-10-29 Ulrich Drepper <drepper@redhat.com>
+
* elf/dl-load.c (open_path): Don't exit loop early if we didn't
use a directory at all.
diff --git a/string/Makefile b/string/Makefile
index e133b53266..970147c4a8 100644
--- a/string/Makefile
+++ b/string/Makefile
@@ -46,7 +46,8 @@ routines := strcat strchr strcmp strcoll strcpy strcspn \
o-objects.ob := memcpy.o memset.o memchr.o
tests := tester inl-tester noinl-tester testcopy test-ffs \
- tst-strlen stratcliff tst-svc tst-inlcall
+ tst-strlen stratcliff tst-svc tst-inlcall \
+ bug-strncat1 bug-strspn1 bug-strpbrk1
distribute := memcopy.h pagecopy.h tst-svc.expect
diff --git a/string/bits/string2.h b/string/bits/string2.h
index de427f8cb4..bf174a4c8c 100644
--- a/string/bits/string2.h
+++ b/string/bits/string2.h
@@ -727,7 +727,8 @@ __stpcpy_small (char *__dest,
__builtin_constant_p (src) && __builtin_constant_p (n) \
? (strlen (src) < ((size_t) (n)) \
? strcat (__dest, src) \
- : (memcpy (strchr (__dest, '\0'), src, n), __dest)) \
+ : (*((char *) __mempcpy (strchr (__dest, '\0'), \
+ src, n)) = '\0', __dest)) \
: strncat (dest, src, n); }))
# else
# define strncat(dest, src, n) \
@@ -914,7 +915,7 @@ __strcspn_c3 (__const char *__s, char __reject1, char __reject2,
({ char __a0, __a1, __a2; \
(__builtin_constant_p (accept) && __string2_1bptr_p (accept) \
? ((__a0 = ((__const char *) (accept))[0], __a0 == '\0') \
- ? 0 \
+ ? ((void) (s), 0) \
: ((__a1 = ((__const char *) (accept))[1], __a1 == '\0') \
? __strspn_c1 (s, __a0) \
: ((__a2 = ((__const char *) (accept))[2], __a2 == '\0') \
@@ -969,7 +970,7 @@ __strspn_c3 (__const char *__s, char __accept1, char __accept2, char __accept3)
({ char __a0, __a1, __a2; \
(__builtin_constant_p (accept) && __string2_1bptr_p (accept) \
? ((__a0 = ((__const char *) (accept))[0], __a0 == '\0') \
- ? NULL \
+ ? ((void) (s), NULL) \
: ((__a1 = ((__const char *) (accept))[1], __a1 == '\0') \
? strchr (s, __a0) \
: ((__a2 = ((__const char *) (accept))[2], __a2 == '\0') \
diff --git a/string/bug-strncat1.c b/string/bug-strncat1.c
new file mode 100644
index 0000000000..0e41a3e727
--- /dev/null
+++ b/string/bug-strncat1.c
@@ -0,0 +1,30 @@
+/* Test case by Joseph S. Myers <jsm28@cam.ac.uk>. */
+#define __USE_STRING_INLINES
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+char d[3] = "\0\1\2";
+
+int
+main (void)
+{
+ strncat (d, "\5\6", 1);
+ if (d[0] != '\5')
+ {
+ puts ("d[0] != '\\5'");
+ exit (1);
+ }
+ if (d[1] != '\0')
+ {
+ puts ("d[1] != '\\0'");
+ exit (1);
+ }
+ if (d[2] != '\2')
+ {
+ puts ("d[2] != '\\3'");
+ exit (1);
+ }
+
+ exit (0);
+}
diff --git a/string/bug-strpbrk1.c b/string/bug-strpbrk1.c
new file mode 100644
index 0000000000..7d5eef8e41
--- /dev/null
+++ b/string/bug-strpbrk1.c
@@ -0,0 +1,18 @@
+/* Test case by Joseph S. Myers <jsm28@cam.ac.uk>. */
+#define __USE_STRING_INLINES
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+int
+main (void)
+{
+ const char *a = "abc";
+ const char *b = a;
+
+ strpbrk (b++, "");
+ if (b != a + 1)
+ exit (1);
+
+ exit (0);
+}
diff --git a/string/bug-strspn1.c b/string/bug-strspn1.c
new file mode 100644
index 0000000000..cd6c012275
--- /dev/null
+++ b/string/bug-strspn1.c
@@ -0,0 +1,18 @@
+/* Test case by Joseph S. Myers <jsm28@cam.ac.uk>. */
+#define __USE_STRING_INLINES
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+int
+main (void)
+{
+ const char *a = "abc";
+ const char *b = a;
+
+ strspn (b++, "");
+ if (b != a + 1)
+ exit (1);
+
+ exit (0);
+}
diff --git a/sysdeps/generic/lockf.c b/sysdeps/generic/lockf.c
index 6e8851bed7..cc264cda56 100644
--- a/sysdeps/generic/lockf.c
+++ b/sysdeps/generic/lockf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1994, 1996, 1997, 1998, 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
@@ -41,6 +41,7 @@ lockf (int fd, int cmd, off_t len)
case F_TEST:
/* Test the lock: return 0 if FD is unlocked or locked by this process;
return -1, set errno to EACCES, if another process holds the lock. */
+ fl.l_type = F_RDLCK;
if (__fcntl (fd, F_GETLK, &fl) < 0)
return -1;
if (fl.l_type == F_UNLCK || fl.l_pid == __getpid ())
diff --git a/sysdeps/i386/i486/bits/string.h b/sysdeps/i386/i486/bits/string.h
index 9d88ee3149..c880f94eed 100644
--- a/sysdeps/i386/i486/bits/string.h
+++ b/sysdeps/i386/i486/bits/string.h
@@ -987,8 +987,9 @@ __strcat_g (char *__dest, __const char *__src)
__builtin_constant_p (src) && __builtin_constant_p (n) \
? (strlen (src) < ((size_t) (n)) \
? strcat (__dest, src) \
- : (memcpy (strchr (__dest, '\0'), \
- (__const char *) src, n), __dest)) \
+ : (*((char *)__mempcpy (strchr (__dest, '\0'), \
+ (__const char *) src, n)) = 0, \
+ __dest)) \
: __strncat_g (__dest, src, n); }))
__STRING_INLINE char *__strncat_g (char *__dest, __const char __src[],
@@ -1543,7 +1544,7 @@ __strcspn_g (__const char *__s, __const char *__reject)
#define strspn(s, accept) \
(__extension__ (__builtin_constant_p (accept) && sizeof ((accept)[0]) == 1 \
? ((accept)[0] == '\0' \
- ? 0 \
+ ? ((void) (s), 0) \
: ((accept)[1] == '\0' \
? __strspn_c1 (s, (((accept)[0] << 8 ) & 0xff00)) \
: __strspn_cg (s, accept, strlen (accept)))) \
@@ -1656,7 +1657,7 @@ __strspn_g (__const char *__s, __const char *__accept)
#define strpbrk(s, accept) \
(__extension__ (__builtin_constant_p (accept) && sizeof ((accept)[0]) == 1 \
? ((accept)[0] == '\0' \
- ? NULL \
+ ? ((void) (s), NULL) \
: ((accept)[1] == '\0' \
? strchr (s, (accept)[0]) \
: __strpbrk_cg (s, accept, strlen (accept)))) \
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 19:23:26 +0000