[deliverable/binutils-gdb.git] / libiberty / strdup.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>
#include <stddef.h>

extern size_t	strlen (const char*);
extern PTR	malloc (size_t);
extern PTR	memcpy (PTR, const PTR, size_t);

char *
strdup(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);
}
Commit	Line	Data
39423523 DD	1	/*
	2
	3	@deftypefn Supplemental char* strdup (const char *@var{s})
	4
	5	Returns a pointer to a copy of @var{s} in memory obtained from
99b58139	6	@code{malloc}, or @code{NULL} if insufficient memory was available.
39423523 DD	7
	8	@end deftypefn
	9
	10	*/
	11
eec539c7	12	#include <ansidecl.h>
eec539c7	13	#include <stddef.h>
eec539c7	14
1e45deed DD	15	extern size_t strlen (const char*);
	16	extern PTR malloc (size_t);
	17	extern PTR memcpy (PTR, const PTR, size_t);
eec539c7	18
252b5132	19	char *
1e45deed	20	strdup(const char *s)
252b5132	21	{
eec539c7 DD	22	size_t len = strlen (s) + 1;
	23	char result = (char) malloc (len);
	24	if (result == (char*) 0)
	25	return (char*) 0;
	26	return (char*) memcpy (result, s, len);
252b5132	27	}