xref: /dflybsd-src/contrib/gdb-7/libiberty/xstrdup.c (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1*86d7f5d3SJohn Marino /* xstrdup.c -- Duplicate a string in memory, using xmalloc.
2*86d7f5d3SJohn Marino    This trivial function is in the public domain.
3*86d7f5d3SJohn Marino    Ian Lance Taylor, Cygnus Support, December 1995.  */
4*86d7f5d3SJohn Marino 
5*86d7f5d3SJohn Marino /*
6*86d7f5d3SJohn Marino 
7*86d7f5d3SJohn Marino @deftypefn Replacement char* xstrdup (const char *@var{s})
8*86d7f5d3SJohn Marino 
9*86d7f5d3SJohn Marino Duplicates a character string without fail, using @code{xmalloc} to
10*86d7f5d3SJohn Marino obtain memory.
11*86d7f5d3SJohn Marino 
12*86d7f5d3SJohn Marino @end deftypefn
13*86d7f5d3SJohn Marino 
14*86d7f5d3SJohn Marino */
15*86d7f5d3SJohn Marino 
16*86d7f5d3SJohn Marino #ifdef HAVE_CONFIG_H
17*86d7f5d3SJohn Marino #include "config.h"
18*86d7f5d3SJohn Marino #endif
19*86d7f5d3SJohn Marino #include <sys/types.h>
20*86d7f5d3SJohn Marino #ifdef HAVE_STRING_H
21*86d7f5d3SJohn Marino #include <string.h>
22*86d7f5d3SJohn Marino #else
23*86d7f5d3SJohn Marino # ifdef HAVE_STRINGS_H
24*86d7f5d3SJohn Marino #  include <strings.h>
25*86d7f5d3SJohn Marino # endif
26*86d7f5d3SJohn Marino #endif
27*86d7f5d3SJohn Marino #include "ansidecl.h"
28*86d7f5d3SJohn Marino #include "libiberty.h"
29*86d7f5d3SJohn Marino 
30*86d7f5d3SJohn Marino char *
xstrdup(const char * s)31*86d7f5d3SJohn Marino xstrdup (const char *s)
32*86d7f5d3SJohn Marino {
33*86d7f5d3SJohn Marino   register size_t len = strlen (s) + 1;
34*86d7f5d3SJohn Marino   register char *ret = XNEWVEC (char, len);
35*86d7f5d3SJohn Marino   return (char *) memcpy (ret, s, len);
36*86d7f5d3SJohn Marino }
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