59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
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#include <stdio.h>
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#include <string.h>
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typedef struct configuration {
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int n;
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double north;
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double east;
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double south;
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double west;
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double init_value;
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double threshold;
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} configuration;
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int load_config(configuration *config) {
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char property[100];
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char *value;
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FILE *fp;
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fp = fopen("jacobi.conf", "r");
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if (fp == NULL) {
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perror("Error opening file jacobi.conf");
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return 1;
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}
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while (fgets(property, 100, fp) != NULL) {
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if (property[0] == '\n' || property[0] == '#') {
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/* Skip empty lines and comments */
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continue;
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}
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value = strchr(property, ' ');
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if (value == NULL) {
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fclose(fp);
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perror("Error reading file jacobi.conf");
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return 1;
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}
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value[0] = '\0';
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value += sizeof(char);
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value[strlen(value) - 1] = '\0';
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if (strcmp(property, "N") == 0) {
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sscanf(value, "%d", &(config->n));
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} else if (strcmp(property, "NORTH") == 0) {
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sscanf(value, "%lf", &(config->north));
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} else if (strcmp(property, "EAST") == 0) {
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sscanf(value, "%lf", &(config->east));
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} else if (strcmp(property, "SOUTH") == 0) {
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sscanf(value, "%lf", &(config->south));
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} else if (strcmp(property, "WEST") == 0) {
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sscanf(value, "%lf", &(config->west));
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} else if (strcmp(property, "INIT_VALUE") == 0) {
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sscanf(value, "%lf", &(config->init_value));
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} else if (strcmp(property, "THRESHOLD") == 0) {
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sscanf(value, "%lf", &(config->threshold));
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} else {
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printf("Unknown property %s\n", property);
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}
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}
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fclose(fp);
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return 0;
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}
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