From f281ca9ce2ed10e0d83db5c3fe9da2ec248055eb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se> Date: Thu, 18 Mar 2004 16:11:22 +0100 Subject: [PATCH] (read_file): Display a message if fopen fails. Rev: src/nettle/examples/io.c:1.8 --- examples/io.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/examples/io.c b/examples/io.c index 14861596..601b19a4 100644 --- a/examples/io.c +++ b/examples/io.c @@ -30,6 +30,10 @@ #include <stdarg.h> #include <stdlib.h> +/* For errno and strerror */ +#include <errno.h> +#include <string.h> + #include "io.h" #define RANDOM_DEVICE "/dev/urandom" @@ -74,8 +78,10 @@ read_file(const char *name, unsigned max_size, char **contents) f = fopen(name, "rb"); if (!f) - return 0; - + { + werror("Opening `%s' falied: %s\n", name, strerror(errno)); + return 0; + } buffer = NULL; if (max_size && max_size < 100) -- GitLab