Fixup for 498898:
Problem:
When somebody runs blktrace without parameters, it
shows the usage message. The usage message suggests
that version number "x.y.z" is a required parameter,
which is not true.
Solution:
Don't print version number when running
blktrace, blkparce, btt without parameters.
Signed-off-by: Edward Shishkin <edward@xxxxxxxxxx>
---
blkparse.c | 2 +-
blktrace.c | 2 +-
btt/args.c | 3 +--
3 files changed, 3 insertions(+), 4 deletions(-)
--- blktrace.orig/blkparse.c
+++ blktrace/blkparse.c
@@ -2696,7 +2696,7 @@ static char usage_str[] = "\n\n" \
static void usage(char *prog)
{
- fprintf(stderr, "Usage: %s %s %s", prog, blkparse_version, usage_str);
+ fprintf(stderr, "Usage: %s %s", prog, usage_str);
}
int main(int argc, char *argv[])
--- blktrace.orig/blktrace.c
+++ blktrace/blktrace.c
@@ -493,7 +493,7 @@ static inline void pdc_nev_update(struct
static void show_usage(char *prog)
{
- fprintf(stderr, "Usage: %s %s %s", prog, blktrace_version, usage_str);
+ fprintf(stderr, "Usage: %s %s", prog, usage_str);
}
/*
--- blktrace.orig/btt/args.c
+++ blktrace/btt/args.c
@@ -244,8 +244,7 @@ static char usage_str[] = \
static void usage(char *prog)
{
- fprintf(stderr, "Usage: %s %s %s", prog, bt_timeline_version,
- usage_str);
+ fprintf(stderr, "Usage: %s %s", prog, usage_str);
}
static FILE *setup_ofile(char *fname)
