X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=lib%2Fxmalloc.c;h=e1ab3140b79e08c5b2c0077deb564afe041b2c2d;hp=150b1aa7b65acdf3074b907ff1da7355038b7a4b;hb=8ea23d9ec3f2fe0c113eac5caafb7c2bd03f3016;hpb=e75315dae609f32041ca5ed939fd2a1b69d32d3e

diff --git a/lib/xmalloc.c b/lib/xmalloc.c
index 150b1aa7..e1ab3140 100644
--- a/lib/xmalloc.c
+++ b/lib/xmalloc.c
@@ -21,6 +21,7 @@
 
 #include <sys/types.h>
 #include <stdio.h>
+#include <string.h>
 
 #if STDC_HEADERS
 # include <stdlib.h>
@@ -94,6 +95,21 @@ xmalloc (n)
   return p;
 }
 
+/* Allocate N bytes of memory dynamically, and set it all to zero. */
+
+void *
+xmalloc_and_zero (n)
+     size_t n;
+{
+  void *p;
+
+  p = malloc (n);
+  if (p == 0)
+    xalloc_fail ((int)n);
+  memset (p, '\0', n);
+  return p;
+}
+
 /* Change the size of an allocated block of memory P to N bytes,
    with error checking.
    If P is NULL, run xmalloc.  */
@@ -109,6 +125,18 @@ xrealloc (p, n)
   return p;
 }
 
+/* Duplicate a string */
+
+char *xstrdup(const char *s)
+{
+  char *p;
+  
+  p = strdup(s);
+  if(!p)
+    xalloc_fail ((int)strlen(s));
+  return p;
+}
+
 #ifdef NOT_USED
 
 /* Allocate memory for N elements of S bytes, with error checking.  */