[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

*/

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

char *
xstrdup (const char *s)
{
  register size_t len = strlen (s) + 1;
  register char *ret = XNEWVEC (char, len);
  return (char *) memcpy (ret, s, len);
}
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
6aa62a59	16	#ifdef HAVE_CONFIG_H
	17	#include "config.h"
	18	#endif
a11e6147	19	#include <sys/types.h>
6aa62a59	20	#ifdef HAVE_STRING_H
6aa62a59	21	#include <string.h>
1cf8f41f	22	#else
	23	# ifdef HAVE_STRINGS_H
	24	# include <strings.h>
	25	# endif
6aa62a59	26	#endif
28e9041c	27	#include "ansidecl.h"
	28	#include "libiberty.h"
	29
	30	char *
cd72df1f	31	xstrdup (const char *s)
28e9041c	32	{
6aa62a59	33	register size_t len = strlen (s) + 1;
f2d737fc	34	register char *ret = XNEWVEC (char, len);
1cf8f41f	35	return (char *) memcpy (ret, s, len);
28e9041c	36	}