51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "interpreter_states.h"
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#define MAX_LINE 1024
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size_t line_count = 0;
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int read_script(const char *filename, char ***buf, size_t *lines) {
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FILE *script = fopen(filename, "r");
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if (script == NULL) {
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fprintf(stderr, "Could not open %s.\n", filename);
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return 1;
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}
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char line[MAX_LINE];
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while (fgets(line, sizeof(line), script) != NULL) {
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size_t length = strlen(line);
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if (line[length - 1] == '\n') {
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line[length - 1] = '\0';
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}
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char *line_copy = strdup(line);
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char **temp = realloc(*buf, (line_count + 1) * sizeof(char*));
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if (temp == NULL) {
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fprintf(stderr, "Error allocating memory.\n");
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return 1;
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}
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*buf = temp;
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(*buf)[line_count++] = line_copy;
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}
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if (line_count == 0) {
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fprintf(stderr, "%s is an empty file.\n", filename);
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return 1;
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}
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*lines = line_count;
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fclose(script);
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return 0;
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}
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void free_script(char **buf) {
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if (!buf)
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return;
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for (size_t i = 0; i < line_count; ++i)
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if (buf[i])
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free(buf[i]);
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free(buf);
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free_state();
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}
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