X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=util.c;fp=util.c;h=f8b9eee7289296f2cd857c7234e71563b9aa33f8;hb=5f287254715dd91f2c508a2a6b9853f0ef4ed785;hp=0000000000000000000000000000000000000000;hpb=05ebee60843f24201f3e7c5c76ff94b6b5e868b2;p=st.git

diff --git a/util.c b/util.c
new file mode 100644
index 0000000..f8b9eee
--- /dev/null
+++ b/util.c
@@ -0,0 +1,37 @@
+/* See LICENSE file for copyright and license details. */
+#include "util.h"
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void *
+emallocz(unsigned int size) {
+	void *res = calloc(1, size);
+
+	if(!res)
+		eprint("fatal: could not malloc() %u bytes\n", size);
+	return res;
+}
+
+void
+eprint(const char *errstr, ...) {
+	va_list ap;
+
+	va_start(ap, errstr);
+	vfprintf(stderr, errstr, ap);
+	va_end(ap);
+	exit(EXIT_FAILURE);
+}
+
+void
+eprintn(const char *errstr, ...) {
+	va_list ap;
+
+	va_start(ap, errstr);
+	vfprintf(stderr, errstr, ap);
+	va_end(ap);
+	fprintf(stderr, ": %s\n", strerror(errno));
+	exit(EXIT_FAILURE);
+}