diff options
Diffstat (limited to 'libc/sysdeps/linux/sparc/bits/string2.h')
| -rw-r--r-- | libc/sysdeps/linux/sparc/bits/string2.h | 313 |
1 files changed, 170 insertions, 143 deletions
diff --git a/libc/sysdeps/linux/sparc/bits/string2.h b/libc/sysdeps/linux/sparc/bits/string2.h index 734f5b0e3..9e522cedf 100644 --- a/libc/sysdeps/linux/sparc/bits/string2.h +++ b/libc/sysdeps/linux/sparc/bits/string2.h @@ -1,28 +1,28 @@ /* Machine-independant string function optimizations. - Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ #ifndef _STRING_H # error "Never use <bits/string2.h> directly; include <string.h> instead." #endif -#ifndef __NO_STRING_INLINES +#if !defined __NO_STRING_INLINES && !defined __BOUNDED_POINTERS__ /* Unlike the definitions in the header <bits/string.h> the definitions contained here are not optimized down to assembler @@ -186,8 +186,7 @@ __STRING2_COPY_TYPE (8); /* GCC optimizes memset(s, 0, n) but not bzero(s, n). The optimization is broken before EGCS 1.1. */ -# if defined __GNUC__ \ - && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 90)) +# if __GNUC_PREREQ (2, 91) # define __bzero(s, n) __builtin_memset (s, '\0', n) # endif @@ -197,24 +196,28 @@ __STRING2_COPY_TYPE (8); /* Copy N bytes from SRC to DEST, returning pointer to byte following the last copied. */ #ifdef __USE_GNU -# ifndef _HAVE_STRING_ARCH_mempcpy -# define __mempcpy(dest, src, n) \ +# if !defined _HAVE_STRING_ARCH_mempcpy || defined _FORCE_INLINES +# ifndef _HAVE_STRING_ARCH_mempcpy +# define __mempcpy(dest, src, n) \ (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n) \ && __string2_1bptr_p (src) && n <= 8 \ ? __mempcpy_small (dest, __mempcpy_args (src), n) \ : __mempcpy (dest, src, n))) /* In glibc we use this function frequently but for namespace reasons we have to use the name `__mempcpy'. */ -# define mempcpy(dest, src, n) __mempcpy (dest, src, n) +# define mempcpy(dest, src, n) __mempcpy (dest, src, n) +# endif # if _STRING_ARCH_unaligned -# define __mempcpy_args(src) \ - ((char *) (src))[0], ((char *) (src))[2], ((char *) (src))[4], \ - ((char *) (src))[6], \ +# ifndef _FORCE_INLINES +# define __mempcpy_args(src) \ + ((__const char *) (src))[0], ((__const char *) (src))[2], \ + ((__const char *) (src))[4], ((__const char *) (src))[6], \ __extension__ __STRING2_SMALL_GET16 (src, 0), \ __extension__ __STRING2_SMALL_GET16 (src, 4), \ __extension__ __STRING2_SMALL_GET32 (src, 0), \ __extension__ __STRING2_SMALL_GET32 (src, 4) +# endif __STRING_INLINE void *__mempcpy_small (void *, char, char, char, char, __uint16_t, __uint16_t, __uint32_t, __uint32_t, size_t); @@ -281,7 +284,8 @@ __mempcpy_small (void *__dest1, return (void *) __u; } # else -# define __mempcpy_args(src) \ +# ifndef _FORCE_INLINES +# define __mempcpy_args(src) \ ((__const char *) (src))[0], \ __extension__ ((__STRING2_COPY_ARR2) \ { { ((__const char *) (src))[0], ((__const char *) (src))[1] } }), \ @@ -309,6 +313,7 @@ __mempcpy_small (void *__dest1, ((__const char *) (src))[2], ((__const char *) (src))[3], \ ((__const char *) (src))[4], ((__const char *) (src))[5], \ ((__const char *) (src))[6], ((__const char *) (src))[7] } }) +# endif __STRING_INLINE void *__mempcpy_small (void *, char, __STRING2_COPY_ARR2, __STRING2_COPY_ARR3, __STRING2_COPY_ARR4, @@ -369,7 +374,7 @@ __mempcpy_small (void *__dest, char __src1, /* Return pointer to C in S. */ #ifndef _HAVE_STRING_ARCH_strchr -extern __ptr_t __rawmemchr (const __ptr_t __s, int __c); +extern void *__rawmemchr (const void *__s, int __c); # define strchr(s, c) \ (__extension__ (__builtin_constant_p (c) && (c) == '\0' \ ? (char *) __rawmemchr (s, c) \ @@ -378,21 +383,25 @@ extern __ptr_t __rawmemchr (const __ptr_t __s, int __c); /* Copy SRC to DEST. */ -#ifndef _HAVE_STRING_ARCH_strcpy -# define strcpy(dest, src) \ +#if !defined _HAVE_STRING_ARCH_strcpy || defined _FORCE_INLINES +# ifndef _HAVE_STRING_ARCH_strcpy +# define strcpy(dest, src) \ (__extension__ (__builtin_constant_p (src) \ ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8 \ ? __strcpy_small (dest, __strcpy_args (src), \ strlen (src) + 1) \ : (char *) memcpy (dest, src, strlen (src) + 1)) \ : strcpy (dest, src))) +# endif # if _STRING_ARCH_unaligned -# define __strcpy_args(src) \ +# ifndef _FORCE_INLINES +# define __strcpy_args(src) \ __extension__ __STRING2_SMALL_GET16 (src, 0), \ __extension__ __STRING2_SMALL_GET16 (src, 4), \ __extension__ __STRING2_SMALL_GET32 (src, 0), \ __extension__ __STRING2_SMALL_GET32 (src, 4) +# endif __STRING_INLINE char *__strcpy_small (char *, __uint16_t, __uint16_t, __uint32_t, __uint32_t, size_t); __STRING_INLINE char * @@ -448,7 +457,8 @@ __strcpy_small (char *__dest, return __dest; } # else -# define __strcpy_args(src) \ +# ifndef _FORCE_INLINES +# define __strcpy_args(src) \ __extension__ ((__STRING2_COPY_ARR2) \ { { ((__const char *) (src))[0], '\0' } }), \ __extension__ ((__STRING2_COPY_ARR3) \ @@ -475,6 +485,7 @@ __strcpy_small (char *__dest, ((__const char *) (src))[2], ((__const char *) (src))[3], \ ((__const char *) (src))[4], ((__const char *) (src))[5], \ ((__const char *) (src))[6], '\0' } }) +# endif __STRING_INLINE char *__strcpy_small (char *, __STRING2_COPY_ARR2, __STRING2_COPY_ARR3, __STRING2_COPY_ARR4, @@ -534,8 +545,9 @@ __strcpy_small (char *__dest, /* Copy SRC to DEST, returning pointer to final NUL byte. */ #ifdef __USE_GNU -# ifndef _HAVE_STRING_ARCH_stpcpy -# define __stpcpy(dest, src) \ +# if !defined _HAVE_STRING_ARCH_stpcpy || defined _FORCE_INLINES +# ifndef _HAVE_STRING_ARCH_stpcpy +# define __stpcpy(dest, src) \ (__extension__ (__builtin_constant_p (src) \ ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8 \ ? __stpcpy_small (dest, __stpcpy_args (src), \ @@ -544,14 +556,17 @@ __strcpy_small (char *__dest, : __stpcpy (dest, src))) /* In glibc we use this function frequently but for namespace reasons we have to use the name `__stpcpy'. */ -# define stpcpy(dest, src) __stpcpy (dest, src) +# define stpcpy(dest, src) __stpcpy (dest, src) +# endif # if _STRING_ARCH_unaligned -# define __stpcpy_args(src) \ +# ifndef _FORCE_INLINES +# define __stpcpy_args(src) \ __extension__ __STRING2_SMALL_GET16 (src, 0), \ __extension__ __STRING2_SMALL_GET16 (src, 4), \ __extension__ __STRING2_SMALL_GET32 (src, 0), \ __extension__ __STRING2_SMALL_GET32 (src, 4) +# endif __STRING_INLINE char *__stpcpy_small (char *, __uint16_t, __uint16_t, __uint32_t, __uint32_t, size_t); __STRING_INLINE char * @@ -612,7 +627,8 @@ __stpcpy_small (char *__dest, return &__u->__c; } # else -# define __stpcpy_args(src) \ +# ifndef _FORCE_INLINES +# define __stpcpy_args(src) \ __extension__ ((__STRING2_COPY_ARR2) \ { { ((__const char *) (src))[0], '\0' } }), \ __extension__ ((__STRING2_COPY_ARR3) \ @@ -639,6 +655,7 @@ __stpcpy_small (char *__dest, ((__const char *) (src))[2], ((__const char *) (src))[3], \ ((__const char *) (src))[4], ((__const char *) (src))[5], \ ((__const char *) (src))[6], '\0' } }) +# endif __STRING_INLINE char *__stpcpy_small (char *, __STRING2_COPY_ARR2, __STRING2_COPY_ARR3, __STRING2_COPY_ARR4, @@ -699,7 +716,7 @@ __stpcpy_small (char *__dest, /* Copy no more than N characters of SRC to DEST. */ #ifndef _HAVE_STRING_ARCH_strncpy -# if defined _HAVE_STRING_ARCH_memset && defined _HAVE_STRING_ARCH_mempcpy +# if defined _USE_STRING_ARCH_memset && defined _USE_STRING_ARCH_mempcpy # define strncpy(dest, src, n) \ (__extension__ ({ char *__dest = (dest); \ __builtin_constant_p (src) && __builtin_constant_p (n) \ @@ -722,13 +739,14 @@ __stpcpy_small (char *__dest, /* Append no more than N characters from SRC onto DEST. */ #ifndef _HAVE_STRING_ARCH_strncat -# ifdef _HAVE_STRING_ARCH_strchr +# ifdef _USE_STRING_ARCH_strchr # define strncat(dest, src, n) \ (__extension__ ({ char *__dest = (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) \ @@ -854,8 +872,9 @@ __stpcpy_small (char *__dest, /* Return the length of the initial segment of S which consists entirely of characters not in REJECT. */ -#ifndef _HAVE_STRING_ARCH_strcspn -# define strcspn(s, reject) \ +#if !defined _HAVE_STRING_ARCH_strcspn || defined _FORCE_INLINES +# ifndef _HAVE_STRING_ARCH_strcspn +# define strcspn(s, reject) \ __extension__ \ ({ char __r0, __r1, __r2; \ (__builtin_constant_p (reject) && __string2_1bptr_p (reject) \ @@ -869,10 +888,11 @@ __stpcpy_small (char *__dest, ? __strcspn_c3 (s, __r0, __r1, __r2) \ : strcspn (s, reject))))) \ : strcspn (s, reject)); }) +# endif -__STRING_INLINE size_t __strcspn_c1 (__const char *__s, char __reject); +__STRING_INLINE size_t __strcspn_c1 (__const char *__s, int __reject); __STRING_INLINE size_t -__strcspn_c1 (__const char *__s, char __reject) +__strcspn_c1 (__const char *__s, int __reject) { register size_t __result = 0; while (__s[__result] != '\0' && __s[__result] != __reject) @@ -880,10 +900,10 @@ __strcspn_c1 (__const char *__s, char __reject) return __result; } -__STRING_INLINE size_t __strcspn_c2 (__const char *__s, char __reject1, - char __reject2); +__STRING_INLINE size_t __strcspn_c2 (__const char *__s, int __reject1, + int __reject2); __STRING_INLINE size_t -__strcspn_c2 (__const char *__s, char __reject1, char __reject2) +__strcspn_c2 (__const char *__s, int __reject1, int __reject2) { register size_t __result = 0; while (__s[__result] != '\0' && __s[__result] != __reject1 @@ -892,11 +912,11 @@ __strcspn_c2 (__const char *__s, char __reject1, char __reject2) return __result; } -__STRING_INLINE size_t __strcspn_c3 (__const char *__s, char __reject1, - char __reject2, char __reject3); +__STRING_INLINE size_t __strcspn_c3 (__const char *__s, int __reject1, + int __reject2, int __reject3); __STRING_INLINE size_t -__strcspn_c3 (__const char *__s, char __reject1, char __reject2, - char __reject3) +__strcspn_c3 (__const char *__s, int __reject1, int __reject2, + int __reject3) { register size_t __result = 0; while (__s[__result] != '\0' && __s[__result] != __reject1 @@ -909,13 +929,14 @@ __strcspn_c3 (__const char *__s, char __reject1, char __reject2, /* Return the length of the initial segment of S which consists entirely of characters in ACCEPT. */ -#ifndef _HAVE_STRING_ARCH_strspn -# define strspn(s, accept) \ +#if !defined _HAVE_STRING_ARCH_strspn || defined _FORCE_INLINES +# ifndef _HAVE_STRING_ARCH_strspn +# define strspn(s, accept) \ __extension__ \ ({ 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') \ @@ -924,10 +945,11 @@ __strcspn_c3 (__const char *__s, char __reject1, char __reject2, ? __strspn_c3 (s, __a0, __a1, __a2) \ : strspn (s, accept))))) \ : strspn (s, accept)); }) +# endif -__STRING_INLINE size_t __strspn_c1 (__const char *__s, char __accept); +__STRING_INLINE size_t __strspn_c1 (__const char *__s, int __accept); __STRING_INLINE size_t -__strspn_c1 (__const char *__s, char __accept) +__strspn_c1 (__const char *__s, int __accept) { register size_t __result = 0; /* Please note that __accept never can be '\0'. */ @@ -936,10 +958,10 @@ __strspn_c1 (__const char *__s, char __accept) return __result; } -__STRING_INLINE size_t __strspn_c2 (__const char *__s, char __accept1, - char __accept2); +__STRING_INLINE size_t __strspn_c2 (__const char *__s, int __accept1, + int __accept2); __STRING_INLINE size_t -__strspn_c2 (__const char *__s, char __accept1, char __accept2) +__strspn_c2 (__const char *__s, int __accept1, int __accept2) { register size_t __result = 0; /* Please note that __accept1 and __accept2 never can be '\0'. */ @@ -948,10 +970,10 @@ __strspn_c2 (__const char *__s, char __accept1, char __accept2) return __result; } -__STRING_INLINE size_t __strspn_c3 (__const char *__s, char __accept1, - char __accept2, char __accept3); +__STRING_INLINE size_t __strspn_c3 (__const char *__s, int __accept1, + int __accept2, int __accept3); __STRING_INLINE size_t -__strspn_c3 (__const char *__s, char __accept1, char __accept2, char __accept3) +__strspn_c3 (__const char *__s, int __accept1, int __accept2, int __accept3) { register size_t __result = 0; /* Please note that __accept1 to __accept3 never can be '\0'. */ @@ -964,13 +986,14 @@ __strspn_c3 (__const char *__s, char __accept1, char __accept2, char __accept3) /* Find the first occurrence in S of any character in ACCEPT. */ -#ifndef _HAVE_STRING_ARCH_strpbrk -# define strpbrk(s, accept) \ +#if !defined _HAVE_STRING_ARCH_strpbrk || defined _FORCE_INLINES +# ifndef _HAVE_STRING_ARCH_strpbrk +# define strpbrk(s, accept) \ __extension__ \ ({ 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') \ @@ -979,11 +1002,12 @@ __strspn_c3 (__const char *__s, char __accept1, char __accept2, char __accept3) ? __strpbrk_c3 (s, __a0, __a1, __a2) \ : strpbrk (s, accept))))) \ : strpbrk (s, accept)); }) +# endif -__STRING_INLINE char *__strpbrk_c2 (__const char *__s, char __accept1, - char __accept2); +__STRING_INLINE char *__strpbrk_c2 (__const char *__s, int __accept1, + int __accept2); __STRING_INLINE char * -__strpbrk_c2 (__const char *__s, char __accept1, char __accept2) +__strpbrk_c2 (__const char *__s, int __accept1, int __accept2) { /* Please note that __accept1 and __accept2 never can be '\0'. */ while (*__s != '\0' && *__s != __accept1 && *__s != __accept2) @@ -991,11 +1015,11 @@ __strpbrk_c2 (__const char *__s, char __accept1, char __accept2) return *__s == '\0' ? NULL : (char *) (size_t) __s; } -__STRING_INLINE char *__strpbrk_c3 (__const char *__s, char __accept1, - char __accept2, char __accept3); +__STRING_INLINE char *__strpbrk_c3 (__const char *__s, int __accept1, + int __accept2, int __accept3); __STRING_INLINE char * -__strpbrk_c3 (__const char *__s, char __accept1, char __accept2, - char __accept3) +__strpbrk_c3 (__const char *__s, int __accept1, int __accept2, + int __accept3) { /* Please note that __accept1 to __accept3 never can be '\0'. */ while (*__s != '\0' && *__s != __accept1 && *__s != __accept2 @@ -1006,8 +1030,9 @@ __strpbrk_c3 (__const char *__s, char __accept1, char __accept2, #endif -/* Find the first occurrence of NEEDLE in HAYSTACK. */ -#ifndef _HAVE_STRING_ARCH_strstr +/* Find the first occurrence of NEEDLE in HAYSTACK. Newer gcc versions + do this itself. */ +#if !defined _HAVE_STRING_ARCH_strstr && !__GNUC_PREREQ (2, 97) # define strstr(haystack, needle) \ (__extension__ (__builtin_constant_p (needle) && __string2_1bptr_p (needle) \ ? (((__const char *) (needle))[0] == '\0' \ @@ -1020,26 +1045,16 @@ __strpbrk_c3 (__const char *__s, char __accept1, char __accept2, #endif -#if defined __USE_GNU && !defined _FORCE_INLINES -# ifndef _HAVE_STRING_ARCH_strnlen -__STRING_INLINE size_t -strnlen (__const char *__string, size_t __maxlen) -{ - __const char *__end = (__const char *) memchr (__string, '\0', __maxlen); - return __end ? (size_t) (__end - __string) : __maxlen; -} -# endif -#endif - - -#ifndef _HAVE_STRING_ARCH_strtok_r -# define __strtok_r(s, sep, nextp) \ +#if !defined _HAVE_STRING_ARCH_strtok_r || defined _FORCE_INLINES +# ifndef _HAVE_STRING_ARCH_strtok_r +# define __strtok_r(s, sep, nextp) \ (__extension__ (__builtin_constant_p (sep) && __string2_1bptr_p (sep) \ ? (((__const char *) (sep))[0] != '\0' \ && ((__const char *) (sep))[1] == '\0' \ ? __strtok_r_1c (s, ((__const char *) (sep))[0], nextp) \ : __strtok_r (s, sep, nextp)) \ : __strtok_r (s, sep, nextp))) +# endif __STRING_INLINE char *__strtok_r_1c (char *__s, char __sep, char **__nextp); __STRING_INLINE char * @@ -1050,32 +1065,31 @@ __strtok_r_1c (char *__s, char __sep, char **__nextp) __s = *__nextp; while (*__s == __sep) ++__s; - if (*__s == '\0') - __result = NULL; - else + __result = NULL; + if (*__s != '\0') { - __result = __s; - while (*__s != '\0' && *__s != __sep) - ++__s; - if (*__s == '\0') - *__nextp = __s; - else - { - *__s = '\0'; - *__nextp = __s + 1; - } + __result = __s++; + while (*__s != '\0') + if (*__s++ == __sep) + { + __s[-1] = '\0'; + break; + } + *__nextp = __s; } return __result; } # if defined __USE_POSIX || defined __USE_MISC -# define strtok_r(s, sep, nextp) __strtok_r ((s), (sep), (nextp)) +# define strtok_r(s, sep, nextp) __strtok_r (s, sep, nextp) # endif #endif -#ifndef _HAVE_STRING_ARCH_strsep +#if !defined _HAVE_STRING_ARCH_strsep || defined _FORCE_INLINES +# ifndef _HAVE_STRING_ARCH_strsep -# define __strsep(s, reject) \ +extern char *__strsep_g (char **__stringp, __const char *__delim); +# define __strsep(s, reject) \ __extension__ \ ({ char __r0, __r1, __r2; \ (__builtin_constant_p (reject) && __string2_1bptr_p (reject) \ @@ -1090,21 +1104,15 @@ __strtok_r_1c (char *__s, char __sep, char **__nextp) ? __strsep_3c (s, __r0, __r1, __r2) \ : __strsep_g (s, reject)))) \ : __strsep_g (s, reject)); }) +# endif __STRING_INLINE char *__strsep_1c (char **__s, char __reject); __STRING_INLINE char * __strsep_1c (char **__s, char __reject) { register char *__retval = *__s; - if (__retval == NULL) - return *__s = NULL; - if (*__retval == __reject) + if (__retval != NULL && (*__s = strchr (__retval, __reject)) != NULL) *(*__s)++ = '\0'; - else - if ((*__s = strchr (__retval, __reject)) != NULL) - *(*__s)++ = '\0'; - else - *__s = NULL; return __retval; } @@ -1113,22 +1121,24 @@ __STRING_INLINE char * __strsep_2c (char **__s, char __reject1, char __reject2) { register char *__retval = *__s; - if (__retval == NULL) - return *__s = NULL; - if (*__retval == __reject1 || *__retval == __reject2) - *(*__s)++ = '\0'; - else + if (__retval != NULL) { register char *__cp = __retval; - while (*__cp != '\0' && *__cp != __reject1 && *__cp != __reject2) - ++__cp; - if (*__cp != '\0') + while (1) { - *__s = __cp; - *(*__s)++ = '\0'; + if (*__cp == '\0') + { + __cp = NULL; + break; + } + if (*__cp == __reject1 || *__cp == __reject2) + { + *__cp++ = '\0'; + break; + } + ++__cp; } - else - *__s = NULL; + *__s = __cp; } return __retval; } @@ -1139,41 +1149,29 @@ __STRING_INLINE char * __strsep_3c (char **__s, char __reject1, char __reject2, char __reject3) { register char *__retval = *__s; - if (__retval == NULL) - return *__s = NULL; - if (*__retval == __reject1 || *__retval == __reject2 - || *__retval == __reject3) - *(*__s)++ = '\0'; - else + if (__retval != NULL) { register char *__cp = __retval; - while (*__cp != '\0' && *__cp != __reject1 && *__cp != __reject2 - && *__cp != __reject3) - ++__cp; - if (*__cp != '\0') + while (1) { - *__s = __cp; - *(*__s)++ = '\0'; + if (*__cp == '\0') + { + __cp = NULL; + break; + } + if (*__cp == __reject1 || *__cp == __reject2 || *__cp == __reject3) + { + *__cp++ = '\0'; + break; + } + ++__cp; } - else - *__s = NULL; + *__s = __cp; } return __retval; } - -__STRING_INLINE char *__strsep_g (char **__s, __const char *__reject); -__STRING_INLINE char * -__strsep_g (char **__s, __const char *__reject) -{ - register char *__retval = *__s; - if (__retval == NULL) - return NULL; - if ((*__s = strpbrk (__retval, __reject)) != NULL) - *(*__s)++ = '\0'; - return __retval; -} # ifdef __USE_BSD -# define strsep(s, reject) __strsep ((s), (reject)) +# define strsep(s, reject) __strsep (s, reject) # endif #endif @@ -1189,6 +1187,7 @@ __strsep_g (char **__s, __const char *__reject) # ifndef _HAVE_STRING_ARCH_strdup +extern char *__strdup (__const char *__string) __THROW __attribute_malloc__; # define __strdup(s) \ (__extension__ (__builtin_constant_p (s) && __string2_1bptr_p (s) \ ? (((__const char *) (s))[0] == '\0' \ @@ -1205,6 +1204,34 @@ __strsep_g (char **__s, __const char *__reject) # endif # endif +# ifndef _HAVE_STRING_ARCH_strndup + +extern char *__strndup (__const char *__string, size_t __n) + __THROW __attribute_malloc__; +# define __strndup(s, n) \ + (__extension__ (__builtin_constant_p (s) && __string2_1bptr_p (s) \ + ? (((__const char *) (s))[0] == '\0' \ + ? (char *) calloc (1, 1) \ + : ({ size_t __len = strlen (s) + 1; \ + size_t __n = (n); \ + char *__retval; \ + if (__n < __len) \ + __len = __n; \ + __retval = (char *) malloc (__len); \ + if (__retval != NULL) \ + { \ + __retval[__len - 1] = '\0'; \ + __retval = (char *) memcpy (__retval, s, \ + __len - 1); \ + } \ + __retval; })) \ + : __strndup (s, n))) + +# ifdef __USE_GNU +# define strndup(s, n) __strndup (s, n) +# endif +# endif + #endif /* Use misc. or use GNU. */ #ifndef _FORCE_INLINES |