X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=libiberty%2Fstrdup.c;h=78c2093b61a3d05c758c9c14814ef38eb468633b;hb=1d942ae90810156b9875ea3e11754ab447c748db;hp=1785b34f2745a1e43d61cf42bbec1862506dd2fb;hpb=dc9e099fc0eced486ae2b49455c9da113c11f4ff;p=deliverable%2Fbinutils-gdb.git

diff --git a/libiberty/strdup.c b/libiberty/strdup.c
index 1785b34f27..78c2093b61 100644
--- a/libiberty/strdup.c
+++ b/libiberty/strdup.c
@@ -1,10 +1,27 @@
+/*
+
+@deftypefn Supplemental char* strdup (const char *@var{s})
+
+Returns a pointer to a copy of @var{s} in memory obtained from
+@code{malloc}, or @code{NULL} if insufficient memory was available.
+
+@end deftypefn
+
+*/
+
+#include <ansidecl.h>
+#include <stddef.h>
+
+extern size_t	strlen (const char*);
+extern PTR	malloc (size_t);
+extern PTR	memcpy (PTR, const PTR, size_t);
+
 char *
-strdup(s)
-     char *s;
+strdup(const char *s)
 {
-    char *result = (char*)malloc(strlen(s) + 1);
-    if (result == (char*)0)
-	return (char*)0;
-    strcpy(result, s);
-    return result;
+  size_t len = strlen (s) + 1;
+  char *result = (char*) malloc (len);
+  if (result == (char*) 0)
+    return (char*) 0;
+  return (char*) memcpy (result, s, len);
 }