>From cef80fcd1efddaebcb366fb897430260cebb0c84 Mon Sep 17 00:00:00 2001 From: Paul Gortmaker Date: Thu, 3 Jan 2008 09:56:09 -0500 Subject: [PATCH] ftdump: minor usage and error return cleanup Improve the usage info and use standard error return values in ftdump. Signed-off-by: Paul Gortmaker --- ftdump.c | 13 ++++++++----- 1 files changed, 8 insertions(+), 5 deletions(-) diff --git a/ftdump.c b/ftdump.c index 53343d7..49bc7cf 100644 --- a/ftdump.c +++ b/ftdump.c @@ -8,6 +8,8 @@ #include #include #include +#include +#include #include @@ -165,21 +167,22 @@ int main(int argc, char *argv[]) char buf[16384]; /* 16k max */ int size; - if (argc < 2) { - fprintf(stderr, "supply input filename\n"); - return 5; + if (argc != 2) { + fprintf(stderr, "Usage: %s filename.dtb\n", basename(argv[0])); + fprintf(stderr, "\t-dump binary device tree blob contents.\n"); + return EINVAL; } fp = fopen(argv[1], "rb"); if (fp == NULL) { fprintf(stderr, "unable to open %s\n", argv[1]); - return 10; + return errno; } size = fread(buf, 1, sizeof(buf), fp); if (size == sizeof(buf)) { /* too large */ fprintf(stderr, "file too large\n"); - return 10; + return EFBIG; } dump_blob(buf); -- 1.5.0.rc1.gf4b6c