1 files changed, 44 insertions, 0 deletions
diff --git a/sfm-0.4/util.c b/sfm-0.4/util.c
new file mode 100644
index 0000000..4aca4e0
--- /dev/null
+++ b/sfm-0.4/util.c
@@ -0,0 +1,44 @@
+/* See LICENSE file for copyright and license details. */
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "util.h"
+
+void *
+ecalloc(size_t nmemb, size_t size)
+{
+	void *p;
+	p = calloc(nmemb, size);
+	FAIL_IF(p == NULL, "calloc");
+	return p;
+}
+
+void *
+erealloc(void *p, size_t len)
+{
+	if ((p = realloc(p, len)) == NULL)
+		die("realloc: %s\n", strerror(errno));
+	return p;
+}
+
+void
+die(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	(void)vfprintf(stderr, fmt, ap);
+	va_end(ap);
+
+	if (fmt[0] != '\0' && fmt[strlen(fmt)-1] == ':') {
+		(void)fputc(' ', stderr);
+		perror(NULL);
+	} else {
+		(void)fputc('\n', stderr);
+	}
+
+	exit(EXIT_FAILURE);
+}