xref: /dflybsd-src/contrib/gcc-8.0/libiberty/xstrdup.c (revision 38fd149817dfbff97799f62fcb70be98c4e32523) 
1*38fd1498Szrj /* xstrdup.c -- Duplicate a string in memory, using xmalloc.
2*38fd1498Szrj    This trivial function is in the public domain.
3*38fd1498Szrj    Ian Lance Taylor, Cygnus Support, December 1995.  */
4*38fd1498Szrj 
5*38fd1498Szrj /*
6*38fd1498Szrj 
7*38fd1498Szrj @deftypefn Replacement char* xstrdup (const char *@var{s})
8*38fd1498Szrj 
9*38fd1498Szrj Duplicates a character string without fail, using @code{xmalloc} to
10*38fd1498Szrj obtain memory.
11*38fd1498Szrj 
12*38fd1498Szrj @end deftypefn
13*38fd1498Szrj 
14*38fd1498Szrj */
15*38fd1498Szrj 
16*38fd1498Szrj #ifdef HAVE_CONFIG_H
17*38fd1498Szrj #include "config.h"
18*38fd1498Szrj #endif
19*38fd1498Szrj #include <sys/types.h>
20*38fd1498Szrj #ifdef HAVE_STRING_H
21*38fd1498Szrj #include <string.h>
22*38fd1498Szrj #else
23*38fd1498Szrj # ifdef HAVE_STRINGS_H
24*38fd1498Szrj #  include <strings.h>
25*38fd1498Szrj # endif
26*38fd1498Szrj #endif
27*38fd1498Szrj #include "ansidecl.h"
28*38fd1498Szrj #include "libiberty.h"
29*38fd1498Szrj 
30*38fd1498Szrj char *
xstrdup(const char * s)31*38fd1498Szrj xstrdup (const char *s)
32*38fd1498Szrj {
33*38fd1498Szrj   register size_t len = strlen (s) + 1;
34*38fd1498Szrj   register char *ret = XNEWVEC (char, len);
35*38fd1498Szrj   return (char *) memcpy (ret, s, len);
36*38fd1498Szrj }
37