1 files changed, 90 insertions, 0 deletions
diff --git a/alloc-utils.c b/alloc-utils.c
new file mode 100644
index 0000000..3a4b9ab
--- /dev/null
+++ b/alloc-utils.c
@@ -0,0 +1,90 @@
+/*
+ * nvidia-installer: A tool for installing NVIDIA software packages on
+ * Unix and Linux systems.
+ *
+ * Copyright (C) 2003-2009 NVIDIA Corporation
+ *
+ * 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 (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.
+ * 
+ * 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
+ *
+ *
+ * alloc-utils.c: this file contains heap management helper functions.
+ */
+
+#include <string.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "alloc-utils.h"
+
+/*
+ * nvalloc() - malloc wrapper that checks for errors, and zeros
+ * out the memory; if an error occurs, an error is printed
+ * to stderr and exit is called.  This function will only return
+ * on success.
+ */
+
+void *nvalloc(size_t size)
+{
+    void *m = malloc(size);
+
+    if (!m) {
+        fprintf(stderr, "%s: memory allocation failure (%s)! \n",
+                PROGRAM_NAME, strerror(errno));
+        exit(1);
+    }
+    memset((char *) m, 0, size);
+    return m;
+
+} /* nvalloc() */
+
+
+
+/*
+ * nvrealloc() - realloc wrapper that checks for errors; if an
+ * error occurs, an error is printed to stderr and exit
+ * is called.  This function will only return on success.
+ */
+
+void *nvrealloc(void *ptr, size_t size)
+{
+    void *m;
+
+    if (ptr == NULL) return nvalloc(size);
+
+    m = realloc(ptr, size);
+    if (!m) {
+        fprintf(stderr, "%s: memory re-allocation failure (%s)! \n",
+                PROGRAM_NAME, strerror(errno));
+        exit(1);
+    }
+    return m;
+
+} /* nvrealloc() */
+
+
+
+/*
+ * nvfree() - frees memory allocated with nvalloc(), provided
+ * a non-NULL pointer is provided.
+ */
+void nvfree(char *s)
+{
+    if (s) free(s);
+
+} /* nvfree() */