diff options
Diffstat (limited to 'cg-linear.c')
-rw-r--r-- | cg-linear.c | 273 |
1 files changed, 137 insertions, 136 deletions
diff --git a/cg-linear.c b/cg-linear.c index 554478e..872b1e5 100644 --- a/cg-linear.c +++ b/cg-linear.c @@ -24,7 +24,7 @@ char default_class[] = PKGNAME "::cg-linear::standard"; /** * Class suffixes */ -const char* const* class_suffixes = (const char* const[]){":start", ":stop", NULL}; +const char *const *class_suffixes = (const char *const[]){":start", ":stop", NULL}; @@ -68,13 +68,14 @@ static int64_t stop_priority; /** * Print usage information and exit */ -void usage(void) +void +usage(void) { - fprintf(stderr, - "Usage: %s [-M method] [-S site] [-c crtc]... [-R rule-base] " - "(-x | -p start-priority:stop-priority [-d] [+rgb])\n", - argv0); - exit(1); + fprintf(stderr, + "usage: %s [-M method] [-S site] [-c crtc]... [-R rule-base] " + "(-x | -p start-priority:stop-priority [-d] [+rgb])\n", + argv0); + exit(1); } @@ -92,47 +93,47 @@ void usage(void) * 1 if `arg` was used, * -1 on error */ -int handle_opt(char* opt, char* arg) +int +handle_opt(char *opt, char *arg) { - if (opt[0] == '-') - switch (opt[1]) - { - case 'd': - if (dflag || xflag) - usage(); - dflag = 1; - break; - case 'x': - if (xflag || dflag) - usage(); - xflag = 1; - break; - default: - usage(); - } - else - switch (opt[1]) - { - case 'r': - if (rplus) - usage(); - rplus = 1; - break; - case 'g': - if (gplus) - usage(); - gplus = 1; - break; - case 'b': - if (bplus) - usage(); - bplus = 1; - break; - default: - usage(); - } - return 0; - (void) arg; + if (opt[0] == '-') { + switch (opt[1]) { + case 'd': + if (dflag || xflag) + usage(); + dflag = 1; + break; + case 'x': + if (xflag || dflag) + usage(); + xflag = 1; + break; + default: + usage(); + } + } else { + switch (opt[1]) { + case 'r': + if (rplus) + usage(); + rplus = 1; + break; + case 'g': + if (gplus) + usage(); + gplus = 1; + break; + case 'b': + if (bplus) + usage(); + bplus = 1; + break; + default: + usage(); + } + } + return 0; + (void) arg; } @@ -145,31 +146,31 @@ int handle_opt(char* opt, char* arg) * @param prio The argument associated with the "-p" option * @return Zero on success, -1 on error */ -int handle_args(int argc, char* argv[], char* prio) +int +handle_args(int argc, char *argv[], char *prio) { - int q = xflag + (dflag | rplus | gplus | bplus); - char *p, *end; - if (argc || (q > 1) || (xflag && (prio != NULL))) - usage(); - if (!xflag && (prio == NULL)) - usage(); - if (prio != NULL) - { - p = strchr(prio, ':'); - if (!p) - usage(); - *p++ = '\0'; - errno = 0; - start_priority = (size_t)strtoul(prio, &end, 10); - if (errno || *end || !*prio) - usage(); - stop_priority = (size_t)strtoul(p, &end, 10); - if (errno || *end || !*prio) - usage(); - p[-1] = ':'; - } - return 0; - (void) argv; + int q = xflag + (dflag | rplus | gplus | bplus); + char *p, *end; + if (argc || q > 1 || (xflag && prio)) + usage(); + if (!xflag && !prio) + usage(); + if (prio) { + p = strchr(prio, ':'); + if (!p) + usage(); + *p++ = '\0'; + errno = 0; + start_priority = (int64_t)strtoll(prio, &end, 10); + if (errno || *end || !*prio) + usage(); + stop_priority = (int64_t)strtoll(p, &end, 10); + if (errno || *end || !*prio) + usage(); + p[-1] = ':'; + } + return 0; + (void) argv; } @@ -179,22 +180,22 @@ int handle_args(int argc, char* argv[], char* prio) * @param filter The filter to fill * @param is_start If the fitler is a linearisation filter */ -static void fill_filter(libcoopgamma_filter_t* restrict filter, int is_start) +static void +fill_filter(libcoopgamma_filter_t *restrict filter, int is_start) { - switch (filter->depth) - { + switch (filter->depth) { #define X(CONST, MEMBER, MAX, TYPE)\ - case CONST:\ - if (is_start)\ - libclut_linearise(&(filter->ramps.MEMBER), MAX, TYPE, !rplus, !gplus, !bplus);\ - else\ - libclut_standardise(&(filter->ramps.MEMBER), MAX, TYPE, !rplus, !gplus, !bplus);\ - break; -LIST_DEPTHS + case CONST:\ + if (is_start)\ + libclut_linearise(&filter->ramps.MEMBER, MAX, TYPE, !rplus, !gplus, !bplus);\ + else\ + libclut_standardise(&filter->ramps.MEMBER, MAX, TYPE, !rplus, !gplus, !bplus);\ + break; + LIST_DEPTHS #undef X - default: - abort(); - } + default: + abort(); + } } @@ -206,58 +207,58 @@ LIST_DEPTHS * -2: Error, `cg.error` set * -3: Error, message already printed */ -int start(void) +int +start(void) { - int r; - size_t i, j; - - if (xflag) - for (i = 0; i < filters_n; i++) - crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_REMOVE; - else if (dflag) - for (i = 0; i < filters_n; i++) - crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_UNTIL_DEATH; - else - for (i = 0; i < filters_n; i++) - crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_UNTIL_REMOVAL; - - for (i = 0, r = 1; i < filters_n; i++) - { - if (!(crtc_info[crtc_updates[i].crtc].supported)) - continue; - if (!xflag) { - int is_start = strchr(crtc_updates[i].filter.class, '\0')[-1] == 't'; - fill_filter(&(crtc_updates[i].filter), is_start); - crtc_updates[i].filter.priority = is_start ? start_priority : stop_priority; - } - r = update_filter(i, 0); - if ((r == -2) || ((r == -1) && (errno != EAGAIN))) - return r; - } - - while (r != 1) - if ((r = synchronise(-1)) < 0) - return r; - - if (!dflag) - return 0; - - if (libcoopgamma_set_nonblocking(&cg, 0) < 0) - return -1; - for (;;) - if (libcoopgamma_synchronise(&cg, NULL, 0, &j) < 0) - switch (errno) - { - case 0: - break; - case ENOTRECOVERABLE: - goto enotrecoverable; - default: - return -1; + int r, is_start; + size_t i, j; + + if (xflag) + for (i = 0; i < filters_n; i++) + crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_REMOVE; + else if (dflag) + for (i = 0; i < filters_n; i++) + crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_UNTIL_DEATH; + else + for (i = 0; i < filters_n; i++) + crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_UNTIL_REMOVAL; + + for (i = 0, r = 1; i < filters_n; i++) { + if (!crtc_info[crtc_updates[i].crtc].supported) + continue; + if (!xflag) { + is_start = strchr(crtc_updates[i].filter.class, '\0')[-1] == 't'; + fill_filter(&crtc_updates[i].filter, is_start); + crtc_updates[i].filter.priority = is_start ? start_priority : stop_priority; + } + r = update_filter(i, 0); + if (r == -2 || (r == -1 && errno != EAGAIN)) + return r; + } + + while (r != 1) + if ((r = synchronise(-1)) < 0) + return r; + + if (!dflag) + return 0; + + if (libcoopgamma_set_nonblocking(&cg, 0) < 0) + return -1; + for (;;) { + if (libcoopgamma_synchronise(&cg, NULL, 0, &j) < 0) { + switch (errno) { + case 0: + break; + case ENOTRECOVERABLE: + goto enotrecoverable; + default: + return -1; + } + } } - - enotrecoverable: - for (;;) - if (pause() < 0) - return -1; + +enotrecoverable: + pause(); + return -1; } |