[thirdparty/gcc.git] / libiberty / xstrdup.c

/* xstrdup.c -- Duplicate a string in memory, using xmalloc.
   This trivial function is in the public domain.
   Ian Lance Taylor, Cygnus Support, December 1995.  */

/*

@deftypefn Replacement char* xstrdup (const char *@var{s})

Duplicates a character string without fail, using @code{xmalloc} to
obtain memory.

@end deftypefn

*/

#include <sys/types.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "ansidecl.h"
#include "libiberty.h"

char *
xstrdup (s)
  const char *s;
{
  register size_t len = strlen (s) + 1;
  register char *ret = xmalloc (len);
  memcpy (ret, s, len);
  return ret;
}
Commit	Line	Data
28e9041c	1	/* xstrdup.c -- Duplicate a string in memory, using xmalloc.
	2	This trivial function is in the public domain.
	3	Ian Lance Taylor, Cygnus Support, December 1995. */
	4
614a23c6	5	/*
	6
	7	@deftypefn Replacement char* xstrdup (const char *@var{s})
	8
	9	Duplicates a character string without fail, using @code{xmalloc} to
	10	obtain memory.
	11
	12	@end deftypefn
	13
	14	*/
	15
1b4391fe	16	#include <sys/types.h>
6aa62a59	17	#ifdef HAVE_CONFIG_H
	18	#include "config.h"
	19	#endif
	20	#ifdef HAVE_STRING_H
	21	#include <string.h>
	22	#endif
28e9041c	23	#include "ansidecl.h"
	24	#include "libiberty.h"
	25
	26	char *
	27	xstrdup (s)
6aa62a59	28	const char *s;
28e9041c	29	{
6aa62a59	30	register size_t len = strlen (s) + 1;
	31	register char *ret = xmalloc (len);
	32	memcpy (ret, s, len);
28e9041c	33	return ret;
28e9041c	34	}