29 lines
626 B
C
29 lines
626 B
C
/* common.c
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*
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* Created by Rory Healy (healyr@student.unimelb.edu.au)
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* Created on 25th August 2021
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* Last modified 9th September 2021
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*
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* Contains functions for general use throughout other files.
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*
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*/
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#ifndef COMMON_HEADER
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#include "common.h"
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#endif
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void checkNullPointer(void *ptr) {
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if (!ptr) {
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fputs("Error: Cannot allocate memory.\n", stderr);
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exit(EXIT_FAILURE);
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}
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}
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FILE *safeFileOpen(FILE **f, char *fileName, char *mode) {
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*f = fopen(fileName, mode);
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if (*f == NULL) {
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fprintf(stderr, "Error: Unable to open file %s\n", fileName);
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exit(EXIT_FAILURE);
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}
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return *f;
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}
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