parser done

1 files changed, 33 insertions, 0 deletions

diff --git a/src/common.c b/src/common.c
new file mode 100644
index 0000000..084c584
--- /dev/null
+++ b/src/common.c
@@ -0,0 +1,33 @@
+#include <string.h>
+#include <errno.h>
+#include "common.h"
+
+void *xmalloc(size_t size)
+{
+    void *ret;
+    if(!(ret = malloc(size))) {
+        die("malloc: %s", strerror(errno));
+    }
+
+    return ret;
+}
+
+void *xcalloc(size_t nmemb, size_t size)
+{
+    void *ret;
+    if(!(ret = calloc(nmemb, size))) {
+        die("calloc: %s", strerror(errno));
+    }
+
+    return ret;
+}
+
+void *xrealloc(void *ptr, size_t size)
+{
+    void *ret;
+    if(!(ret = realloc(ptr, size))) {
+        die("realloc: %s", strerror(errno));
+    }
+
+    return ret;
+}