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-rw-r--r--usage.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/usage.c b/usage.c
index 820d09f92..fd936a1ae 100644
--- a/usage.c
+++ b/usage.c
@@ -60,6 +60,18 @@ void die(const char *err, ...)
va_end(params);
}
+void die_errno(const char *fmt, ...)
+{
+ va_list params;
+ char fmt_with_err[1024];
+
+ snprintf(fmt_with_err, sizeof(fmt_with_err), "%s: %s", fmt, strerror(errno));
+
+ va_start(params, fmt);
+ die_routine(fmt_with_err, params);
+ va_end(params);
+}
+
int error(const char *err, ...)
{
va_list params;