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| Original file line number | Diff line number | Diff line change |
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| @@ -1,4 +1,18 @@ | ||
| bin | ||
| tmp | ||
| *.test | ||
| *.out | ||
| go.work | ||
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| /bin/ | ||
| /tmp/ | ||
| /obj/ | ||
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| .idea | ||
| .vscode/* | ||
| !.vscode/extensions.json | ||
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| .vgcore.* | ||
| *.log | ||
| *.local | ||
| *.o | ||
| *.a | ||
| *.su |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| #define _POSIX_C_SOURCE 200809L | ||
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| #include <errno.h> | ||
| #include <getopt.h> | ||
| #include <stdbool.h> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
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| typedef enum Result { | ||
| RESULT_OK, | ||
| RESULT_ERR, | ||
| RESULT_DONE, | ||
| } Result; | ||
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| static void print_usage(const char *name) { | ||
| fprintf(stderr, "usage: %s -o <outfile> <infile>\n", name); | ||
| } | ||
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| typedef struct Config { | ||
| const char *inpath; | ||
| const char *outpath; | ||
| } Config; | ||
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| static void config_destroy(Config *cfg) { | ||
| if (cfg != NULL) { | ||
| free((char *)cfg->outpath); | ||
| free((char *)cfg->inpath); | ||
| free(cfg); | ||
| } | ||
| } | ||
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| static Config *create_config(int argc, char *argv[]) { | ||
| Config *cfg = calloc(1, sizeof(Config)); | ||
| if (cfg == NULL) { | ||
| fprintf(stderr, "error allocating config: %s\n", strerror(errno)); | ||
| return NULL; | ||
| } | ||
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| int opt; | ||
| while ((opt = getopt(argc, argv, ":o:")) != -1) { | ||
| switch (opt) { | ||
| case 'o': | ||
| cfg->outpath = strdup(optarg); | ||
| if (cfg->outpath == NULL) { | ||
| fprintf(stderr, "error allocating config: %s\n", strerror(errno)); | ||
| config_destroy(cfg); | ||
| return NULL; | ||
| } | ||
| break; | ||
| case '?': | ||
| fprintf(stderr, "error: Unknown option \"%c\"\n", optopt); | ||
| print_usage(argv[0]); | ||
| config_destroy(cfg); | ||
| return NULL; | ||
| case ':': | ||
| fprintf(stderr, "error: Option \"%c\" requires an argument\n", optopt); | ||
| print_usage(argv[0]); | ||
| config_destroy(cfg); | ||
| return NULL; | ||
| default: | ||
| break; | ||
| } | ||
| } | ||
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| if (cfg->outpath == NULL) { | ||
| fprintf(stderr, "error: Option -o is required\n"); | ||
| print_usage(argv[0]); | ||
| config_destroy(cfg); | ||
| return NULL; | ||
| } | ||
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| if (optind < argc) { | ||
| cfg->inpath = strdup(argv[optind]); | ||
| if (cfg->inpath == NULL) { | ||
| fprintf(stderr, "error allocating config: %s\n", strerror(errno)); | ||
| config_destroy(cfg); | ||
| return NULL; | ||
| } | ||
| } else { | ||
| fprintf(stderr, "error: missing required infile parameter\n"); | ||
| print_usage(argv[optind]); | ||
| config_destroy(cfg); | ||
| return NULL; | ||
| } | ||
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| return cfg; | ||
| } | ||
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| typedef struct Case { | ||
| char *label; | ||
| } Case; | ||
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| void case_destroy(Case *c) { | ||
| if (c != NULL) { | ||
| free(c->label); | ||
| } | ||
| } | ||
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| typedef struct CaseIterator { | ||
| bool has_next; | ||
| } CaseIterator; | ||
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| CaseIterator *create_case_iterator(Config *cfg) { | ||
| return NULL; | ||
| } | ||
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| int main(int argc, char *argv[]) { | ||
| Config *cfg = create_config(argc, argv); | ||
| if (cfg == NULL) { | ||
| return EXIT_FAILURE; | ||
| } | ||
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| FILE *infile = fopen(cfg->inpath, "r"); | ||
| if (infile == NULL) { | ||
| fprintf(stderr, "error opening %s: %s\n", cfg->inpath, strerror(errno)); | ||
| config_destroy(cfg); | ||
| return EXIT_FAILURE; | ||
| } | ||
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| FILE *outfile = fopen(cfg->outpath, "w"); | ||
| if (outfile == NULL) { | ||
| fprintf(stderr, "error opening %s: %s\n", cfg->inpath, strerror(errno)); | ||
| fclose(infile); | ||
| config_destroy(cfg); | ||
| return EXIT_FAILURE; | ||
| } | ||
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| // CaseIterator *iter = create_case_iterator(cfg); | ||
| // if (iter == NULL) { | ||
| // config_destroy(cfg); | ||
| // return EXIT_FAILURE; | ||
| // } | ||
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| fclose(infile); | ||
| fclose(outfile); | ||
| config_destroy(cfg); | ||
| return EXIT_SUCCESS; | ||
| } |