xref: /dflybsd-src/contrib/gcc-4.7/libiberty/xstrdup.c (revision 04febcfb30580676d3e95f58a16c5137ee478b32)
1*e4b17023SJohn Marino /* xstrdup.c -- Duplicate a string in memory, using xmalloc.
2*e4b17023SJohn Marino    This trivial function is in the public domain.
3*e4b17023SJohn Marino    Ian Lance Taylor, Cygnus Support, December 1995.  */
4*e4b17023SJohn Marino 
5*e4b17023SJohn Marino /*
6*e4b17023SJohn Marino 
7*e4b17023SJohn Marino @deftypefn Replacement char* xstrdup (const char *@var{s})
8*e4b17023SJohn Marino 
9*e4b17023SJohn Marino Duplicates a character string without fail, using @code{xmalloc} to
10*e4b17023SJohn Marino obtain memory.
11*e4b17023SJohn Marino 
12*e4b17023SJohn Marino @end deftypefn
13*e4b17023SJohn Marino 
14*e4b17023SJohn Marino */
15*e4b17023SJohn Marino 
16*e4b17023SJohn Marino #ifdef HAVE_CONFIG_H
17*e4b17023SJohn Marino #include "config.h"
18*e4b17023SJohn Marino #endif
19*e4b17023SJohn Marino #include <sys/types.h>
20*e4b17023SJohn Marino #ifdef HAVE_STRING_H
21*e4b17023SJohn Marino #include <string.h>
22*e4b17023SJohn Marino #else
23*e4b17023SJohn Marino # ifdef HAVE_STRINGS_H
24*e4b17023SJohn Marino #  include <strings.h>
25*e4b17023SJohn Marino # endif
26*e4b17023SJohn Marino #endif
27*e4b17023SJohn Marino #include "ansidecl.h"
28*e4b17023SJohn Marino #include "libiberty.h"
29*e4b17023SJohn Marino 
30*e4b17023SJohn Marino char *
xstrdup(const char * s)31*e4b17023SJohn Marino xstrdup (const char *s)
32*e4b17023SJohn Marino {
33*e4b17023SJohn Marino   register size_t len = strlen (s) + 1;
34*e4b17023SJohn Marino   register char *ret = XNEWVEC (char, len);
35*e4b17023SJohn Marino   return (char *) memcpy (ret, s, len);
36*e4b17023SJohn Marino }
37