85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/**
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rexbacklight
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Copyright (C) 2018 rexy712
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "common.h"
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#include "cmd.h"
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#include <stdio.h>
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int return_value = RETVAL_SUCCESS;
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void mem_error(void){
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fprintf(stderr, "Failed to allocate memory! Unable to continue!\n");
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}
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//name of the program being run so that we print the correct name in the usage
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extern const char* executable_name;
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_Noreturn void version(void){
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printf("%s version %d.%d\n", executable_name, REXBACKLIGHT_VERSION_MAJOR, REXBACKLIGHT_VERSION_MINOR);
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exit(return_value);
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}
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_Noreturn void usage(int exit_val){
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int i;
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printf("%s version %d.%d\n\n", executable_name, REXBACKLIGHT_VERSION_MAJOR, REXBACKLIGHT_VERSION_MINOR);
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printf("Usage: %s [argument] [options] [argument]\n\n", executable_name);
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printf("Options:\n");
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for(i = 0;i < rexbacklight_args_length;++i){
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int printed = 0;
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if(rexbacklight_args[i].lopt){
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printf("%s", rexbacklight_args[i].lopt);
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printed = 1;
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}
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if(rexbacklight_args[i].sopt){
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if(printed)
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printf("|");
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else
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printed = 1;
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printf("%s", rexbacklight_args[i].sopt);
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}
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#ifdef XBACKLIGHT_COMPAT_OPTIONS
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if(rexbacklight_args[i].xopt){
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if(printed)
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printf("|");
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printf("%s", rexbacklight_args[i].xopt);
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}
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#endif //XBACKLIGHT_COMPAT_OPTIONS
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printf("\n");
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printf(" %s\n", rexbacklight_args[i].desc);
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}
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printf("\n");
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printf("Arguments:\n");
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printf(" =<percentage>\n");
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printf(" -<percentage>\n");
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printf(" +<percentage>\n");
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printf(" off\n");
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printf(" max\n");
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printf(" min\n");
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printf("\n%s Copyright (C) 2018 rexy712\n", executable_name);
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printf("This program comes with ABSOLUTELY NO WARRANTY.\n");
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printf("This is free software, and you are welcome to redistribute it\n");
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printf("under certain conditions; see the GNU GPLv3 for details.\n");
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printf("A copy of the GPLv3 is available with the source in the file 'LICENSE'\n");
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exit(exit_val);
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}
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