X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=lib%2Fxmalloc.c;h=e1ab3140b79e08c5b2c0077deb564afe041b2c2d;hp=38fb571a254e52b890979ea7bd0ed9cd287463c6;hb=8ea23d9ec3f2fe0c113eac5caafb7c2bd03f3016;hpb=6182664859383a86a47846cafdc1f6fcd73b5a76

diff --git a/lib/xmalloc.c b/lib/xmalloc.c
index 38fb571a..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>
@@ -87,8 +88,6 @@ xmalloc (n)
      size_t n;
 {
   void *p;
-  extern char*cp_file;
-  extern int cp_line;
 
   p = malloc (n);
   if (p == 0)
@@ -96,6 +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.  */
@@ -111,6 +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.  */