xref: /netbsd-src/external/gpl3/gdb/dist/libiberty/xstrdup.c (revision 98b9484c67cdf05a7e01fa6a65d1f4f959a3633e) 
1*98b9484cSchristos /* xstrdup.c -- Duplicate a string in memory, using xmalloc.
2*98b9484cSchristos    This trivial function is in the public domain.
3*98b9484cSchristos    Ian Lance Taylor, Cygnus Support, December 1995.  */
4*98b9484cSchristos 
5*98b9484cSchristos /*
6*98b9484cSchristos 
7*98b9484cSchristos @deftypefn Replacement char* xstrdup (const char *@var{s})
8*98b9484cSchristos 
9*98b9484cSchristos Duplicates a character string without fail, using @code{xmalloc} to
10*98b9484cSchristos obtain memory.
11*98b9484cSchristos 
12*98b9484cSchristos @end deftypefn
13*98b9484cSchristos 
14*98b9484cSchristos */
15*98b9484cSchristos 
16*98b9484cSchristos #ifdef HAVE_CONFIG_H
17*98b9484cSchristos #include "config.h"
18*98b9484cSchristos #endif
19*98b9484cSchristos #include <sys/types.h>
20*98b9484cSchristos #ifdef HAVE_STRING_H
21*98b9484cSchristos #include <string.h>
22*98b9484cSchristos #else
23*98b9484cSchristos # ifdef HAVE_STRINGS_H
24*98b9484cSchristos #  include <strings.h>
25*98b9484cSchristos # endif
26*98b9484cSchristos #endif
27*98b9484cSchristos #include "ansidecl.h"
28*98b9484cSchristos #include "libiberty.h"
29*98b9484cSchristos 
30*98b9484cSchristos char *
xstrdup(const char * s)31*98b9484cSchristos xstrdup (const char *s)
32*98b9484cSchristos {
33*98b9484cSchristos   register size_t len = strlen (s) + 1;
34*98b9484cSchristos   register char *ret = XNEWVEC (char, len);
35*98b9484cSchristos   return (char *) memcpy (ret, s, len);
36*98b9484cSchristos }
37