New dmnsn_malloc() function, and friends.

I'm tired of checking for malloc failures everywhere, considering it never
happens.  So just bail out whenever it does.  A lot of stuff is guaranteed
to succeed if it returns now.

1 files changed, 50 insertions, 0 deletions

diff --git a/libdimension/malloc.c b/libdimension/malloc.c
new file mode 100644
index 0000000..f1f234e
--- /dev/null
+++ b/libdimension/malloc.c
@@ -0,0 +1,50 @@
+/*************************************************************************
+ * Copyright (C) 2010 Tavian Barnes <tavianator@gmail.com>               *
+ *                                                                       *
+ * This file is part of The Dimension Library.                           *
+ *                                                                       *
+ * The Dimension Library is free software; you can redistribute it and/  *
+ * or modify it under the terms of the GNU Lesser General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Library 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  *
+ * Lesser General Public License for more details.                       *
+ *                                                                       *
+ * You should have received a copy of the GNU Lesser General Public      *
+ * License along with this program.  If not, see                         *
+ * <http://www.gnu.org/licenses/>.                                       *
+ *************************************************************************/
+
+#include "dimension.h"
+#include <string.h>
+
+void *
+dmnsn_malloc(size_t size)
+{
+  void *ptr = malloc(size);
+  if (!ptr) {
+    dmnsn_error(DMNSN_SEVERITY_HIGH, "Memory allocation failed.");
+  }
+  return ptr;
+}
+
+void *
+dmnsn_realloc(void *ptr, size_t size)
+{
+  ptr = realloc(ptr, size);
+  if (!ptr) {
+    dmnsn_error(DMNSN_SEVERITY_HIGH, "Memory allocation failed.");
+  }
+  return ptr;
+}
+
+char *
+dmnsn_strdup(const char *s)
+{
+  char *copy = dmnsn_malloc(strlen(s) + 1);
+  strcpy(copy, s);
+  return copy;
+}