diff options
author | Rob Landley <rob@landley.net> | 2017-10-10 18:16:08 -0500 |
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committer | Rob Landley <rob@landley.net> | 2017-10-10 18:16:08 -0500 |
commit | 46d2cda500242caae2ccf7cee71200d4bfe7c7a5 (patch) | |
tree | 47dbe9ebf18a79b46ffc0c91c71d4b66622dce8b /lib | |
parent | 3eb69d412e79d7d7db197c9a8592ba944a0af77e (diff) | |
download | toybox-46d2cda500242caae2ccf7cee71200d4bfe7c7a5.tar.gz |
Tweak help_exit() to show "See %s --help" message on the same line.
Diffstat (limited to 'lib')
-rw-r--r-- | lib/lib.c | 12 |
1 files changed, 6 insertions, 6 deletions
@@ -12,7 +12,9 @@ void verror_msg(char *msg, int err, va_list va) fprintf(stderr, "%s: ", toys.which->name); if (msg) vfprintf(stderr, msg, va); else s+=2; - if (err) fprintf(stderr, s, strerror(err)); + if (err>0) fprintf(stderr, s, strerror(err)); + if (err<0 && CFG_TOYBOX_HELP) + fprintf(stderr, " (See \"%s --help\")", toys.which->name); if (msg || err) putc('\n', stderr); if (!toys.exitval) toys.exitval++; } @@ -66,12 +68,10 @@ void help_exit(char *msg, ...) { va_list va; - if (CFG_TOYBOX_HELP) - fprintf(stderr, "See %s --help\n", toys.which->name); - - if (msg) { + if (!msg) show_help(stdout); + else { va_start(va, msg); - verror_msg(msg, 0, va); + verror_msg(msg, -1, va); va_end(va); } |