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| author | Karel Zak | 2016-12-19 11:33:40 +0100 |
|---|---|---|
| committer | Karel Zak | 2016-12-19 11:33:40 +0100 |
| commit | 3077b37101c0c7b89368eafb043adc95eb8db45c (patch) | |
| tree | d2659273f497e8c9623cd00f96866b2d060c8fbb /include | |
| parent | docs: replace FTP by HTTPS in kernel.org URLs (diff) | |
| download | kernel-qcow2-util-linux-3077b37101c0c7b89368eafb043adc95eb8db45c.tar.gz kernel-qcow2-util-linux-3077b37101c0c7b89368eafb043adc95eb8db45c.tar.xz kernel-qcow2-util-linux-3077b37101c0c7b89368eafb043adc95eb8db45c.zip | |
include/c.h: add errtryhelp()
Add code to print:
Try '<progname> --help' for more information.
and exit.
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/c.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/c.h b/include/c.h index 08dab934a..bf11d61ac 100644 --- a/include/c.h +++ b/include/c.h @@ -204,6 +204,15 @@ errmsg(char doexit, int excode, char adderr, const char *fmt, ...) #endif /* !HAVE_ERR_H */ +/* Don't use inline function to avoid '#include "nls.h"' in c.h + */ +#define errtryhelp(eval) __extension__ ({ \ + fprintf(stderr, _("Try '%s --help' for more information.\n"), \ + program_invocation_short_name); \ + exit(eval); \ +}) + + static inline __attribute__((const)) int is_power_of_2(unsigned long num) { return (num != 0 && ((num & (num - 1)) == 0)); |