Added helper functions for file manipulation
parent
e5e3e8db72
commit
13858dc352
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#include <stdlib.h>
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#include <stdio.h>
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#include "file_helpers.h"
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char* file_to_string(char* filename) {
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FILE* fp = fopen(filename,"r");
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fseek(fp,0,SEEK_END);
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long file_size = ftell(fp);
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rewind(fp);
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char* buffer = calloc(sizeof(char),file_size+1);
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fread(buffer,1,file_size,fp);
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fclose(fp);
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return buffer;
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}
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/* Finds the number of lines in a file (Which MUST end in a new-line, if the last
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line is to be counted) */
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int num_of_lines(char* filename) {
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int num_lines = 0;
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FILE* fp = fopen(filename,"r");
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if (fp == NULL) {
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return -1;
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}
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for (int c = getc(fp); c != EOF; c = getc(fp)) {
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if (c == '\n') {
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num_lines++;
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}
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}
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fclose(fp);
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return num_lines;
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}
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