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authorNicholas Noll <nbnoll@eml.cc>2020-06-07 15:29:42 -0700
committerNicholas Noll <nbnoll@eml.cc>2020-06-07 15:29:42 -0700
commit75eece6dd52aa49705bf59a6f5b6197b7a14f5db (patch)
tree3aafe0581b8a6cca95467f26334668c1e914f32e /sys/cmd/menu/util.c
parent13ebf171dd7c7cf3fdba6d89c184a644fc37ac38 (diff)
feat: working dispatch menu
Diffstat (limited to 'sys/cmd/menu/util.c')
-rw-r--r--sys/cmd/menu/util.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/sys/cmd/menu/util.c b/sys/cmd/menu/util.c
new file mode 100644
index 0000000..fe044fc
--- /dev/null
+++ b/sys/cmd/menu/util.c
@@ -0,0 +1,35 @@
+/* See LICENSE file for copyright and license details. */
+#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;
+
+ if (!(p = calloc(nmemb, size)))
+ die("calloc:");
+ return p;
+}
+
+void
+die(const char *fmt, ...) {
+ va_list ap;
+
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+
+ if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
+ fputc(' ', stderr);
+ perror(NULL);
+ } else {
+ fputc('\n', stderr);
+ }
+
+ exit(1);
+}