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| author | Sami Kerola | 2011-10-30 15:08:18 +0100 |
|---|---|---|
| committer | Sami Kerola | 2011-11-01 21:42:20 +0100 |
| commit | 130314aa70616237082a6b68ffac8faae438cb6f (patch) | |
| tree | b39b8e5c5e65de6f02cca42a3079dbf27913c110 /sys-utils/tunelp.c | |
| parent | tunelp: fix coding style (diff) | |
| download | kernel-qcow2-util-linux-130314aa70616237082a6b68ffac8faae438cb6f.tar.gz kernel-qcow2-util-linux-130314aa70616237082a6b68ffac8faae438cb6f.tar.xz kernel-qcow2-util-linux-130314aa70616237082a6b68ffac8faae438cb6f.zip | |
tunelp: use symbolic exit values
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Diffstat (limited to 'sys-utils/tunelp.c')
| -rw-r--r-- | sys-utils/tunelp.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sys-utils/tunelp.c b/sys-utils/tunelp.c index 53693ecdf..be4a6f683 100644 --- a/sys-utils/tunelp.c +++ b/sys-utils/tunelp.c @@ -64,6 +64,9 @@ #include "nls.h" #include "xalloc.h" +#define EXIT_BAD_VALUE 3 +#define EXIT_LP_IO_ERR 4 + struct command { long op; long val; @@ -91,7 +94,7 @@ static long get_val(char *val) long ret; if (!(sscanf(val, "%ld", &ret) == 1)) { fprintf(stderr, _("%s: bad value\n"), progname); - exit(3); + exit(EXIT_BAD_VALUE); } return ret; } @@ -219,7 +222,7 @@ int main(int argc, char **argv) case 'v': case 'V': print_version(progname); - exit(0); + return EXIT_SUCCESS; default: print_usage(progname); } @@ -295,7 +298,7 @@ int main(int argc, char **argv) retval = ioctl(fd, LPGETIRQ - offset, &irq); if (retval == -1) { perror(_("LPGETIRQ error")); - exit(4); + return EXIT_LP_IO_ERR; } if (irq == (int)0xdeadbeef) /* up to 1.1.77 will do this */ @@ -308,5 +311,5 @@ int main(int argc, char **argv) close(fd); - return 0; + return EXIT_SUCCESS; } |