38 lines
985 B
C
38 lines
985 B
C
#ifndef CODEREADER
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#define CODEREADER
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#include "consts.c"
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#include <stdio.h>
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#include <stdlib.h>
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#include "program.c"
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unsigned int fromFile(char *path, struct program program) {
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unsigned int countInstructions;
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unsigned int staticVars;
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FILE *fptr;
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fptr = fopen(path, "r+b");
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if (fptr == NULL) {
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printf("Error: cannot open code file %s\n", path);
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exit(EXIT_FAILURE);
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}
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unsigned int buffer[4];
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fread(buffer, 4, 4, fptr);
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// Check file type
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if (buffer[0] != 0x46424A4E) {
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printf("Error: wrong file type");
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exit(EXIT_FAILURE);
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}
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if (buffer[1] != VERSION) {
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printf("Error: wrong version");
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exit(EXIT_FAILURE);
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}
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countInstructions = buffer[2];
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staticVars = buffer[3];
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unsigned int instBuffer[countInstructions];
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fread(instBuffer, 4, countInstructions, fptr);
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copyToProgram(instBuffer, countInstructions, program);
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return staticVars;
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}
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#endif /* ifdef CODEREADER */
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