diff options
| -rw-r--r-- | man/xbacklight.man | 2 | ||||
| -rw-r--r-- | xbacklight.c | 11 |
2 files changed, 13 insertions, 0 deletions
diff --git a/man/xbacklight.man b/man/xbacklight.man index c3aa48e..5a10d6a 100644 --- a/man/xbacklight.man +++ b/man/xbacklight.man @@ -46,6 +46,8 @@ Increases brightness by the specified amount. Decreases brightness by the specified amount. .IP \-help Print out a summary of the usage and exit. +.IP \-version +Print out the program version and exit. .IP "\-time \fImilliseconds\fP" Length of time to spend fading the backlight between old and new value. Default is 200. diff --git a/xbacklight.c b/xbacklight.c index 4f384cc..21cca72 100644 --- a/xbacklight.c +++ b/xbacklight.c @@ -19,6 +19,11 @@ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + #include <stdio.h> #include <stdlib.h> @@ -44,6 +49,7 @@ usage (int exitcode) " where options are:\n" " -display <display> or -d <display>\n" " -help\n" + " -version\n" " -set <percentage> or = <percentage>\n" " -inc <percentage> or + <percentage>\n" " -dec <percentage> or - <percentage>\n" @@ -200,6 +206,11 @@ main (int argc, char **argv) { usage (0); } + if (!strcmp (argv[i], "-version")) + { + puts (PACKAGE_STRING); + exit (0); + } fprintf(stderr, "%s: unrecognized argument '%s'\n", program_name, argv[i]); usage (1); |