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https://github.com/Dr-Noob/cpufetch.git
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[v0.8][ARM] Building support in ARM
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Dr-Noob
253
src/common/args.c
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253
src/common/args.c
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#include <getopt.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "args.h"
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#include "global.h"
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#define COLOR_STR_INTEL "intel"
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#define COLOR_STR_AMD "amd"
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static const char *SYTLES_STR_LIST[] = {
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[STYLE_EMPTY] = NULL,
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[STYLE_FANCY] = "fancy",
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[STYLE_RETRO] = "retro",
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[STYLE_LEGACY] = "legacy",
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[STYLE_INVALID] = NULL
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};
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enum {
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ARG_CHAR_STYLE,
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ARG_CHAR_COLOR,
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ARG_CHAR_HELP,
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ARG_CHAR_LEVELS,
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ARG_CHAR_VERBOSE,
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ARG_CHAR_VERSION
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};
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struct args_struct {
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bool levels_flag;
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bool help_flag;
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bool verbose_flag;
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bool version_flag;
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STYLE style;
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struct colors* colors;
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};
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static struct args_struct args;
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STYLE get_style() {
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return args.style;
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}
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struct colors* get_colors() {
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return args.colors;
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}
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bool show_help() {
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return args.help_flag;
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}
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bool show_version() {
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return args.version_flag;
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}
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bool show_levels() {
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return args.levels_flag;
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}
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bool verbose_enabled() {
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return args.verbose_flag;
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}
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STYLE parse_style(char* style) {
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uint8_t i = 0;
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uint8_t styles_count = sizeof(SYTLES_STR_LIST) / sizeof(SYTLES_STR_LIST[0]);
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while(i != styles_count && (SYTLES_STR_LIST[i] == NULL || strcmp(SYTLES_STR_LIST[i], style) != 0))
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i++;
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if(i == styles_count)
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return STYLE_INVALID;
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return i;
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}
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void free_colors_struct(struct colors* cs) {
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free(cs->c1);
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free(cs->c2);
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free(cs->c3);
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free(cs->c4);
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free(cs);
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}
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bool parse_color(char* optarg, struct colors** cs) {
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*cs = malloc(sizeof(struct colors));
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(*cs)->c1 = malloc(sizeof(struct color));
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(*cs)->c2 = malloc(sizeof(struct color));
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(*cs)->c3 = malloc(sizeof(struct color));
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(*cs)->c4 = malloc(sizeof(struct color));
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struct color** c1 = &((*cs)->c1);
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struct color** c2 = &((*cs)->c2);
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struct color** c3 = &((*cs)->c3);
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struct color** c4 = &((*cs)->c4);
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int32_t ret;
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char* str_to_parse = NULL;
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bool free_ptr;
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if(strcmp(optarg, COLOR_STR_INTEL) == 0) {
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str_to_parse = malloc(sizeof(char) * 46);
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strcpy(str_to_parse, COLOR_DEFAULT_INTEL);
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free_ptr = true;
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}
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else if(strcmp(optarg, COLOR_STR_AMD) == 0) {
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str_to_parse = malloc(sizeof(char) * 44);
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strcpy(str_to_parse, COLOR_DEFAULT_AMD);
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free_ptr = true;
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}
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else {
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str_to_parse = optarg;
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free_ptr = false;
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}
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ret = sscanf(str_to_parse, "%d,%d,%d:%d,%d,%d:%d,%d,%d:%d,%d,%d",
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&(*c1)->R, &(*c1)->G, &(*c1)->B,
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&(*c2)->R, &(*c2)->G, &(*c2)->B,
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&(*c3)->R, &(*c3)->G, &(*c3)->B,
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&(*c4)->R, &(*c4)->G, &(*c4)->B);
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if(ret != 12) {
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printErr("Expected to read 12 values for color but read %d", ret);
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return false;
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}
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//TODO: Refactor c1->R c2->R ... to c[i]->R
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if((*c1)->R < 0 || (*c1)->R > 255) {
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printErr("Red in color 1 is invalid. Must be in range (0, 255)");
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return false;
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}
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if((*c1)->G < 0 || (*c1)->G > 255) {
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printErr("Green in color 1 is invalid. Must be in range (0, 255)");
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return false;
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}
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if((*c1)->B < 0 || (*c1)->B > 255) {
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printErr("Blue in color 1 is invalid. Must be in range (0, 255)");
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return false;
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}
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if((*c2)->R < 0 || (*c2)->R > 255) {
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printErr("Red in color 2 is invalid. Must be in range (0, 255)");
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return false;
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}
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if((*c2)->G < 0 || (*c2)->G > 255) {
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printErr("Green in color 2 is invalid. Must be in range (0, 255)");
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return false;
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}
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if((*c2)->B < 0 || (*c2)->B > 255) {
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printErr("Blue in color 2 is invalid. Must be in range (0, 255)");
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return false;
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}
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if(free_ptr) free (str_to_parse);
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return true;
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}
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bool parse_args(int argc, char* argv[]) {
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int c;
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int option_index = 0;
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opterr = 0;
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bool color_flag = false;
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args.levels_flag = false;
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args.verbose_flag = false;
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args.help_flag = false;
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args.style = STYLE_EMPTY;
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args.colors = NULL;
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static struct option long_options[] = {
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{"style", required_argument, 0, ARG_CHAR_STYLE },
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{"color", required_argument, 0, ARG_CHAR_COLOR },
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{"help", no_argument, 0, ARG_CHAR_HELP },
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{"levels", no_argument, 0, ARG_CHAR_LEVELS },
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{"verbose", no_argument, 0, ARG_CHAR_VERBOSE },
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{"version", no_argument, 0, ARG_CHAR_VERSION },
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{0, 0, 0, 0}
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};
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c = getopt_long(argc, argv, "", long_options, &option_index);
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while (c != -1) {
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if(c == ARG_CHAR_COLOR) {
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if(color_flag) {
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printErr("Color option specified more than once");
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return false;
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}
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color_flag = true;
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if(!parse_color(optarg, &args.colors)) {
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printErr("Color parsing failed");
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return false;
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}
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}
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else if(c == ARG_CHAR_STYLE) {
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if(args.style != STYLE_EMPTY) {
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printErr("Style option specified more than once");
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return false;
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}
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args.style = parse_style(optarg);
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if(args.style == STYLE_INVALID) {
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printErr("Invalid style '%s'",optarg);
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return false;
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}
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}
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else if(c == ARG_CHAR_HELP) {
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if(args.help_flag) {
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printErr("Help option specified more than once");
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return false;
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}
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args.help_flag = true;
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}
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else if(c == ARG_CHAR_VERBOSE) {
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if(args.verbose_flag) {
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printErr("Verbose option specified more than once");
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return false;
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}
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args.verbose_flag = true;
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}
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else if(c == ARG_CHAR_LEVELS) {
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if(args.levels_flag) {
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printErr("Levels option specified more than once");
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return false;
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}
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args.levels_flag = true;
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}
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else if (c == ARG_CHAR_VERSION) {
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if(args.version_flag) {
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printErr("Version option specified more than once");
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return false;
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}
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args.version_flag = true;
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}
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else if(c == '?') {
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printWarn("Invalid options");
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args.help_flag = true;
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break;
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}
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else
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printBug("Bug at line number %d in file %s", __LINE__, __FILE__);
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option_index = 0;
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c = getopt_long(argc, argv,"",long_options, &option_index);
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}
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if (optind < argc) {
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printWarn("Invalid options");
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args.help_flag = true;
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}
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if((args.help_flag + args.version_flag + color_flag) > 1) {
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printWarn("You should specify just one option");
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args.help_flag = true;
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}
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return true;
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}
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