diff options
Diffstat (limited to 'include/strings.h')
| -rw-r--r-- | include/strings.h | 54 |
1 files changed, 41 insertions, 13 deletions
diff --git a/include/strings.h b/include/strings.h index 3ba2b04c8..fe089d960 100644 --- a/include/strings.h +++ b/include/strings.h @@ -22,6 +22,9 @@ /* We don't need and should not read this file if <string.h> was already read. The one exception being that if __USE_BSD isn't defined, then these aren't defined in string.h, so we need to define them here. */ + +/* keep this file in sync w/ string.h, the glibc version is out of date */ + #if !defined _STRING_H || !defined __USE_BSD # include <features.h> @@ -30,33 +33,58 @@ __BEGIN_DECLS -/* Compare N bytes of S1 and S2 (same as memcmp). */ -extern int bcmp (__const void *__s1, __const void *__s2, size_t __n) - __THROW __attribute_pure__; - +# ifdef __UCLIBC_SUSV3_LEGACY__ /* Copy N bytes of SRC to DEST (like memmove, but args reversed). */ -extern void bcopy (__const void *__src, void *__dest, size_t __n) __THROW; +extern void bcopy (__const void *__src, void *__dest, size_t __n) + __THROW __nonnull ((1, 2)); /* Set N bytes of S to 0. */ -extern void bzero (void *__s, size_t __n) __THROW; +extern void bzero (void *__s, size_t __n) __THROW __nonnull ((1)); -/* Return the position of the first bit set in I, or 0 if none are set. - The least-significant bit is position 1, the most-significant 32. */ -extern int ffs (int __i) __THROW __attribute__ ((const)); +/* Compare N bytes of S1 and S2 (same as memcmp). */ +extern int bcmp (__const void *__s1, __const void *__s2, size_t __n) + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Find the first occurrence of C in S (same as strchr). */ -extern char *index (__const char *__s, int __c) __THROW __attribute_pure__; +extern char *index (__const char *__s, int __c) + __THROW __attribute_pure__ __nonnull ((1)); /* Find the last occurrence of C in S (same as strrchr). */ -extern char *rindex (__const char *__s, int __c) __THROW __attribute_pure__; +extern char *rindex (__const char *__s, int __c) + __THROW __attribute_pure__ __nonnull ((1)); +# else +/* bcopy/bzero/bcmp/index/rindex are marked LEGACY in SuSv3. + * They are replaced as proposed by SuSv3. Don't sync this part + * with glibc and keep it in sync with string.h. */ + +# define bcopy(src,dest,n) (memmove((dest), (src), (n)), (void) 0) +# define bzero(s,n) (memset((s), '\0', (n)), (void) 0) +# define bcmp(s1,s2,n) memcmp((s1), (s2), (size_t)(n)) +# define index(s,c) strchr((s), (c)) +# define rindex(s,c) strrchr((s), (c)) +# endif + +/* Return the position of the first bit set in I, or 0 if none are set. + The least-significant bit is position 1, the most-significant 32. */ +extern int ffs (int __i) __THROW __attribute__ ((__const__)); + +/* The following two functions are non-standard but necessary for non-32 bit + platforms. */ +#if 0 /*def __USE_GNU*/ +extern int ffsl (long int __l) __THROW __attribute__ ((__const__)); +# ifdef __GNUC__ +__extension__ extern int ffsll (long long int __ll) + __THROW __attribute__ ((__const__)); +# endif +# endif /* Compare S1 and S2, ignoring case. */ extern int strcasecmp (__const char *__s1, __const char *__s2) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); /* Compare no more than N chars of S1 and S2, ignoring case. */ extern int strncasecmp (__const char *__s1, __const char *__s2, size_t __n) - __THROW __attribute_pure__; + __THROW __attribute_pure__ __nonnull ((1, 2)); __END_DECLS |