Split up read-cache.c into more logical clumps.

[git.git] / usage.c

diff --git a/usage.c b/usage.c
new file mode 100644 (file)
index 0000000..e774d2e
--- /dev/null
+++ b/usage.c
@@ -0,0 +1,40 @@
+/*
+ * GIT - The information manager from hell
+ *
+ * Copyright (C) Linus Torvalds, 2005
+ */
+#include <stdarg.h>
+#include "cache.h"
+
+static void report(const char *prefix, const char *err, va_list params)
+{
+       fputs(prefix, stderr);
+       vfprintf(stderr, err, params);
+       fputs("\n", stderr);
+}
+
+void usage(const char *err)
+{
+       fprintf(stderr, "usage: %s\n", err);
+       exit(1);
+}
+
+void die(const char *err, ...)
+{
+       va_list params;
+
+       va_start(params, err);
+       report("fatal: ", err, params);
+       va_end(params);
+       exit(1);
+}
+
+int error(const char *err, ...)
+{
+       va_list params;
+
+       va_start(params, err);
+       report("error: ", err, params);
+       va_end(params);
+       return -1;
+}