X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=lib%2Fxmalloc.c;h=58f2bcee3e950e0958d240afe8501de876d64e6d;hp=150b1aa7b65acdf3074b907ff1da7355038b7a4b;hb=cfa738d3185980ff8532a35192a9113b0e9a937c;hpb=e75315dae609f32041ca5ed939fd2a1b69d32d3e

diff --git a/lib/xmalloc.c b/lib/xmalloc.c
index 150b1aa7..58f2bcee 100644
--- a/lib/xmalloc.c
+++ b/lib/xmalloc.c
@@ -11,9 +11,9 @@
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation, Inc., Foundation,
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.  */
 
 #if HAVE_CONFIG_H
 # include <config.h>
@@ -21,6 +21,9 @@
 
 #include <sys/types.h>
 #include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
 
 #if STDC_HEADERS
 # include <stdlib.h>
@@ -31,15 +34,7 @@ void *realloc ();
 void free ();
 #endif
 
-#if ENABLE_NLS
-# include <libintl.h>
-# define _(Text) gettext (Text)
-#else
-# define textdomain(Domain)
-# define _(Text) Text
-#endif
-#define N_(Text) Text
-
+#include "dropin.h"
 #include "xalloc.h"
 
 #ifndef EXIT_FAILURE
@@ -53,23 +48,15 @@ void *xcalloc (size_t n, size_t s);
 void *xrealloc (void *p, size_t n);
 #endif
 
-#ifndef HAVE_DONE_WORKING_MALLOC_CHECK
-#error you must run the autoconf test for a properly working malloc -- see malloc.m4
-#endif
-
-#ifndef HAVE_DONE_WORKING_REALLOC_CHECK
-#error you must run the autoconf test for a properly working realloc -- see realloc.m4
-#endif
-
 /* Exit value when the requested amount of memory is not available.
    The caller may set it to some other value.  */
 int xalloc_exit_failure = EXIT_FAILURE;
 
 /* FIXME: describe */
-char *const xalloc_msg_memory_exhausted = N_("Memory exhausted");
+char *const xalloc_msg_memory_exhausted = "Memory exhausted";
 
 /* FIXME: describe */
-void (*xalloc_fail_func) (int) = 0;
+void (*xalloc_fail_func) (int) = NULL;
 
 static void
 xalloc_fail (int size)
@@ -83,14 +70,27 @@ xalloc_fail (int size)
 /* Allocate N bytes of memory dynamically, with error checking.  */
 
 void *
-xmalloc (n)
-     size_t n;
+xmalloc (size_t n)
+{
+  void *p;
+
+  p = malloc (n);
+  if (p == NULL)
+    xalloc_fail ((int)n);
+  return p;
+}
+
+/* Allocate N bytes of memory dynamically, and set it all to zero. */
+
+void *
+xmalloc_and_zero (size_t n)
 {
   void *p;
 
   p = malloc (n);
-  if (p == 0)
+  if (p == NULL)
     xalloc_fail ((int)n);
+  memset (p, '\0', n);
   return p;
 }
 
@@ -99,16 +99,26 @@ xmalloc (n)
    If P is NULL, run xmalloc.  */
 
 void *
-xrealloc (p, n)
-     void *p;
-     size_t n;
+xrealloc (void *p, size_t n)
 {
   p = realloc (p, n);
-  if (p == 0)
+  if (p == NULL)
     xalloc_fail (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.  */
@@ -120,9 +130,35 @@ xcalloc (n, s)
   void *p;
 
   p = calloc (n, s);
-  if (p == 0)
+  if (p == NULL)
     xalloc_fail ();
   return p;
 }
 
 #endif /* NOT_USED */
+
+int xasprintf(char **strp, const char *fmt, ...) {
+	int result;
+	va_list ap;
+	va_start(ap, fmt);
+	result = xvasprintf(strp, fmt, ap);
+	va_end(ap);
+	return result;
+}
+
+int xvasprintf(char **strp, const char *fmt, va_list ap) {
+#ifdef HAVE_MINGW
+	char buf[1024];
+	int result = vsnprintf(buf, sizeof buf, fmt, ap);
+	if(result < 0)
+		exit(xalloc_exit_failure);
+	*strp = xstrdup(buf);
+#else
+	int result = vasprintf(strp, fmt, ap);
+	if(result < 0) {
+		fprintf(stderr, "vasprintf() failed: %s\n", strerror(errno));
+  		exit(xalloc_exit_failure);
+	}
+#endif
+	return result;
+}