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freebsd/contrib/binutils/libiberty/strdup.c
David E. O'Brien da03bc7002 Import of Binutils from the FSF 2.15 branch (just post-.0 release).
These bits are taken from the FSF anoncvs repo on 23-May-2004 04:41:00 UTC.
2004-06-16 05:45:41 +00:00

33 lines
662 B
C

/*
@deftypefn Supplemental char* strdup (const char *@var{s})
Returns a pointer to a copy of @var{s} in memory obtained from
@code{malloc}, or @code{NULL} if insufficient memory was available.
@end deftypefn
*/
#include <ansidecl.h>
#ifdef ANSI_PROTOTYPES
#include <stddef.h>
#else
#define size_t unsigned long
#endif
extern size_t strlen PARAMS ((const char*));
extern PTR malloc PARAMS ((size_t));
extern PTR memcpy PARAMS ((PTR, const PTR, size_t));
char *
strdup(s)
const char *s;
{
size_t len = strlen (s) + 1;
char *result = (char*) malloc (len);
if (result == (char*) 0)
return (char*) 0;
return (char*) memcpy (result, s, len);
}