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| author | Ulrich Drepper <drepper@gmail.com> | 2011-10-23 16:30:40 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-10-23 16:30:40 -0400 |
| commit | 2fa2ae85cadef6af47826dcddfb4e6d8a4c8b5a3 (patch) | |
| tree | d5735921e19a1dcbf3de1e9006c921baedda7ae4 | |
| parent | fc2ee42abe595bbf6b8bbf0637648ad8b5d4faab (diff) | |
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Fix strnlen change
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | nptl/sysdeps/i386/tls.h | 2 | ||||
| -rw-r--r-- | string/strnlen.c | 10 | ||||
| -rw-r--r-- | sysdeps/i386/i686/multiarch/rtld-strnlen.c | 1 |
4 files changed, 10 insertions, 7 deletions
@@ -1,5 +1,9 @@ 2011-10-23 Ulrich Drepper <drepper@gmail.com> + * string/strnlen.c: Don't define STRNLEN, reverse logic. + Remove unused variable magic_bits. + * sysdeps/i386/i686/multiarch/rtld-strnlen.c: New file. + * string/strnlen.c: Define and use STRNLEN macro. * sysdeps/i386/i686/multiarch/Makefile [string] (sysdep_routines): Add strnlen-sse2, strnlen-c, wcslen-sse2, and wcslen-c. diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h index 3f597a9771..428f203314 100644 --- a/nptl/sysdeps/i386/tls.h +++ b/nptl/sysdeps/i386/tls.h @@ -26,7 +26,7 @@ # include <stddef.h> # include <stdint.h> # include <stdlib.h> -# include <list.h> +//# include <list.h> # include <sysdep.h> # include <kernel-features.h> diff --git a/string/strnlen.c b/string/strnlen.c index 3f52c49b60..d083ec29e6 100644 --- a/string/strnlen.c +++ b/string/strnlen.c @@ -27,16 +27,16 @@ /* Find the length of S, but scan at most MAXLEN characters. If no '\0' terminator is found in that many characters, return MAXLEN. */ -#ifndef STRNLEN -# define STRNLEN __strnlen +#ifdef STRNLEN +# define __strnlen STRNLEN #endif size_t -STRNLEN (const char *str, size_t maxlen) +__strnlen (const char *str, size_t maxlen) { const char *char_ptr, *end_ptr = str + maxlen; const unsigned long int *longword_ptr; - unsigned long int longword, magic_bits, himagic, lomagic; + unsigned long int longword, himagic, lomagic; if (maxlen == 0) return 0; @@ -70,14 +70,12 @@ STRNLEN (const char *str, size_t maxlen) The 1-bits make sure that carries propagate to the next 0-bit. The 0-bits provide holes for carries to fall into. */ - magic_bits = 0x7efefeffL; himagic = 0x80808080L; lomagic = 0x01010101L; if (sizeof (longword) > 4) { /* 64-bit version of the magic. */ /* Do the shift in two steps to avoid a warning if long has 32 bits. */ - magic_bits = ((0x7efefefeL << 16) << 16) | 0xfefefeffL; himagic = ((himagic << 16) << 16) | himagic; lomagic = ((lomagic << 16) << 16) | lomagic; } diff --git a/sysdeps/i386/i686/multiarch/rtld-strnlen.c b/sysdeps/i386/i686/multiarch/rtld-strnlen.c new file mode 100644 index 0000000000..1aa5440644 --- /dev/null +++ b/sysdeps/i386/i686/multiarch/rtld-strnlen.c @@ -0,0 +1 @@ +#include <string/strnlen.c> |