diff options
Diffstat (limited to 'src/gammad.c')
| -rw-r--r-- | src/gammad.c | 42 |
1 files changed, 36 insertions, 6 deletions
diff --git a/src/gammad.c b/src/gammad.c index 15e8359..97f2d56 100644 --- a/src/gammad.c +++ b/src/gammad.c @@ -24,6 +24,7 @@ #include <string.h> #include <unistd.h> +#include "arg.h" #include "output.h" #include "util.h" @@ -32,7 +33,7 @@ /** * The name of the process */ -const char* argv0; +char* argv0; @@ -161,25 +162,54 @@ static char* get_crtc_name(libgamma_crtc_information_t* info, libgamma_crtc_stat } +/** + * Print usage information and exit + */ +static void usage(void) +{ + printf("Usage: %s [-m method] [-s site] [-p]\n", argv0); + exit(1); +} + + int main(int argc, char** argv) { - int method, gerror, rc = 1; + int method = -1, gerror, rc = 1, preserve = 0; + char *sitename = NULL; libgamma_site_state_t site; libgamma_partition_state_t* partitions = NULL; libgamma_crtc_state_t* crtcs = NULL; struct output* outputs = NULL; size_t i, j, n, n0, crtcs_n = 0; - argv0 = argc ? argv[0] : "gammad"; - memset(&site, 0, sizeof(site)); + ARGBEGIN + { + case 's': + sitename = EARGF(usage()); + break; + case 'm': + method = get_method(EARGF(usage())); + if (method < 0) + goto fail; + break; + case 'p': + preserve = 1; + break; + default: + usage(); + } + ARGEND; + if (argc > 0) + usage(); + /* Get method */ - if (libgamma_list_methods(&method, 1, 0) < 1) + if ((method < 0) && (libgamma_list_methods(&method, 1, 0) < 1)) return fprintf(stderr, "%s: no adjustment method available\n", argv0), 1; /* Get site */ - if ((gerror = libgamma_site_initialise(&site, method, NULL))) + if ((gerror = libgamma_site_initialise(&site, method, sitename))) goto fail_libgamma; /* Get partitions */ |