X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/22b9fa74de8e80471a5033ea067d3b360930b91d..refs/heads/master:/lib/mem.c

diff --git a/lib/mem.c b/lib/mem.c
index 6d531cc..22b7228 100644
--- a/lib/mem.c
+++ b/lib/mem.c
@@ -1,37 +1,30 @@
 /*
  * This file is part of DisOrder.
- * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
+ * Copyright (C) 2004, 2005, 2006, 2007, 2009 Richard Kettlewell
  *
- * This program is free software; you can redistribute it and/or modify
+ * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * 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
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 /** @file lib/mem.c
  * @brief Memory management
  */
 
-#include <config.h>
-#include "types.h"
+#include "common.h"
 
 #if GC
 #include <gc.h>
 #endif
 #include <errno.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
 
 #include "mem.h"
 #include "log.h"
@@ -79,7 +72,11 @@ void mem_init(void) {
     do_free = free;
   } else {
     GC_init();
+#ifdef HAVE_GC_GET_ALL_INTERIOR_POINTERS
+    assert(GC_get_all_interior_pointers());
+#else
     assert(GC_all_interior_pointers);
+#endif
   }
 #endif
 }
@@ -95,7 +92,7 @@ void *xmalloc(size_t n) {
   void *ptr;
 
   if(!(ptr = do_malloc(n)) && n)
-    fatal(errno, "error allocating memory");
+    disorder_fatal(errno, "error allocating memory");
   return ptr;
 }
 
@@ -109,7 +106,7 @@ void *xmalloc(size_t n) {
  */
 void *xrealloc(void *ptr, size_t n) {
   if(!(ptr = do_realloc(ptr, n)) && n)
-    fatal(errno, "error allocating memory");
+    disorder_fatal(errno, "error allocating memory");
   return ptr;
 }
 
@@ -123,7 +120,7 @@ void *xrealloc(void *ptr, size_t n) {
  */
 void *xcalloc(size_t count, size_t size) {
   if(count > SIZE_MAX / size)
-    fatal(0, "excessively large calloc");
+    disorder_fatal(0, "excessively large calloc");
   return xmalloc(count * size);
 }
 
@@ -139,10 +136,24 @@ void *xmalloc_noptr(size_t n) {
   void *ptr;
 
   if(!(ptr = do_malloc_atomic(n)) && n)
-    fatal(errno, "error allocating memory");
+    disorder_fatal(errno, "error allocating memory");
   return ptr;
 }
 
+/** @brief Allocate memory
+ * @param count Number of objects to allocate
+ * @param size Size of one object
+ * @return Pointer to allocated memory
+ *
+ * Terminates the process on error.  IMPORTANT: the allocated memory is NOT
+ * 0-filled (unlike @c calloc()).
+ */
+void *xcalloc_noptr(size_t count, size_t size) {
+  if(count > SIZE_MAX / size)
+    disorder_fatal(0, "excessively large calloc");
+  return xmalloc_noptr(count * size);
+}
+
 /** @brief Reallocate memory
  * @param ptr Block to reallocated
  * @param n Bytes to allocate
@@ -156,7 +167,7 @@ void *xrealloc_noptr(void *ptr, size_t n) {
   if(ptr == 0)
     return xmalloc_noptr(n);
   if(!(ptr = do_realloc(ptr, n)) && n)
-    fatal(errno, "error allocating memory");
+    disorder_fatal(errno, "error allocating memory");
   return ptr;
 }
 
@@ -170,7 +181,7 @@ char *xstrdup(const char *s) {
   char *t;
 
   if(!(t = do_malloc_atomic(strlen(s) + 1)))
-    fatal(errno, "error allocating memory");
+    disorder_fatal(errno, "error allocating memory");
   return strcpy(t, s);
 }
 
@@ -186,7 +197,7 @@ char *xstrndup(const char *s, size_t n) {
   char *t;
 
   if(!(t = do_malloc_atomic(n + 1)))
-    fatal(errno, "error allocating memory");
+    disorder_fatal(errno, "error allocating memory");
   memcpy(t, s, n);
   t[n] = 0;
   return t;
@@ -203,5 +214,7 @@ void xfree(void *ptr) {
 Local Variables:
 c-basic-offset:2
 comment-column:40
+fill-column:79
+indent-tabs-mode:nil
 End:
 */