2011-06-09 Yaakov Selkowitz <yselkowitz@...>

* libc/include/string.h (strdupa): New macro function.
        (strndupa): New macro function.
This commit is contained in:
Jeff Johnston 2011-06-10 18:30:38 +00:00
parent 1516a0b4d7
commit 38e356f0e4
2 changed files with 19 additions and 0 deletions

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@ -1,3 +1,8 @@
2011-06-09 Yaakov Selkowitz <yselkowitz@...>
* libc/include/string.h (strdupa): New macro function.
(strndupa): New macro function.
2011-05-27 Nick Clifton <nickc@redhat.com> 2011-05-27 Nick Clifton <nickc@redhat.com>
* libc/sys/sysnecv850/sbrk.c (_sbrk): Tidy code. * libc/sys/sysnecv850/sbrk.c (_sbrk): Tidy code.

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@ -99,6 +99,20 @@ int _EXFUN(strtosigno, (const char *__name));
/* Recursive version of strerror. */ /* Recursive version of strerror. */
char * _EXFUN(_strerror_r, (struct _reent *, int, int, int *)); char * _EXFUN(_strerror_r, (struct _reent *, int, int, int *));
#if defined _GNU_SOURCE && defined __GNUC__
#define strdupa(__s) \
(__extension__ ({const char *__in = (__s); \
size_t __len = strlen (__in) + 1; \
char * __out = (char *) __builtin_alloca (__len); \
(char *) memcpy (__out, __in, __len);}))
#define strndupa(__s, __n) \
(__extension__ ({const char *__in = (__s); \
size_t __len = strnlen (__in, (__n)) + 1; \
char *__out = (char *) __builtin_alloca (__len); \
__out[__len-1] = '\0'; \
(char *) memcpy (__out, __in, __len-1);}))
#endif /* _GNU_SOURCE && __GNUC__ */
/* These function names are used on Windows and perhaps other systems. */ /* These function names are used on Windows and perhaps other systems. */
#ifndef strcmpi #ifndef strcmpi
#define strcmpi strcasecmp #define strcmpi strcasecmp