xref: /dflybsd-src/contrib/binutils-2.27/libiberty/xstrdup.c (revision e656dc90e3d65d744d534af2f5ea88cf8101ebcf) 
1*a9fa9459Szrj /* xstrdup.c -- Duplicate a string in memory, using xmalloc.
2*a9fa9459Szrj    This trivial function is in the public domain.
3*a9fa9459Szrj    Ian Lance Taylor, Cygnus Support, December 1995.  */
4*a9fa9459Szrj 
5*a9fa9459Szrj /*
6*a9fa9459Szrj 
7*a9fa9459Szrj @deftypefn Replacement char* xstrdup (const char *@var{s})
8*a9fa9459Szrj 
9*a9fa9459Szrj Duplicates a character string without fail, using @code{xmalloc} to
10*a9fa9459Szrj obtain memory.
11*a9fa9459Szrj 
12*a9fa9459Szrj @end deftypefn
13*a9fa9459Szrj 
14*a9fa9459Szrj */
15*a9fa9459Szrj 
16*a9fa9459Szrj #ifdef HAVE_CONFIG_H
17*a9fa9459Szrj #include "config.h"
18*a9fa9459Szrj #endif
19*a9fa9459Szrj #include <sys/types.h>
20*a9fa9459Szrj #ifdef HAVE_STRING_H
21*a9fa9459Szrj #include <string.h>
22*a9fa9459Szrj #else
23*a9fa9459Szrj # ifdef HAVE_STRINGS_H
24*a9fa9459Szrj #  include <strings.h>
25*a9fa9459Szrj # endif
26*a9fa9459Szrj #endif
27*a9fa9459Szrj #include "ansidecl.h"
28*a9fa9459Szrj #include "libiberty.h"
29*a9fa9459Szrj 
30*a9fa9459Szrj char *
xstrdup(const char * s)31*a9fa9459Szrj xstrdup (const char *s)
32*a9fa9459Szrj {
33*a9fa9459Szrj   register size_t len = strlen (s) + 1;
34*a9fa9459Szrj   register char *ret = XNEWVEC (char, len);
35*a9fa9459Szrj   return (char *) memcpy (ret, s, len);
36*a9fa9459Szrj }
37