copapy/src/coparun/coparun.c

65 lines
1.4 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include "runmem.h"
#include "mem_man.h"
int main(int argc, char *argv[]) {
if (argc < 2) {
fprintf(stderr, "Usage: %s <code_file>\n", argv[0]);
return EXIT_FAILURE;
}
FILE *f = fopen(argv[1], "rb");
if (!f) {
perror("fopen");
return EXIT_FAILURE;
}
/* Determine file size */
if (fseek(f, 0, SEEK_END) != 0) {
perror("fseek");
fclose(f);
return EXIT_FAILURE;
}
long sz = ftell(f);
if (sz < 0) {
perror("ftell");
fclose(f);
return EXIT_FAILURE;
}
rewind(f);
if (sz == 0) {
fprintf(stderr, "Error: File is empty\n");
fclose(f);
return EXIT_FAILURE;
}
uint8_t *file_buff = allocate_buffer_memory((uint32_t)sz);
/* Read file into allocated memory */
size_t nread = fread(file_buff, 1, (size_t)sz, f);
fclose(f);
if (nread != (size_t)sz) {
perror("fread");
return EXIT_FAILURE;
}
int ret = parse_commands(file_buff);
if (ret == 2) {
/* Dump code for debugging */
if (argc != 3) {
fprintf(stderr, "Usage: %s <code_file> <memory_dump_file>\n", argv[0]);
return EXIT_FAILURE;
}
f = fopen(argv[2], "wb");
fwrite(executable_memory, 1, (size_t)executable_memory_len, f);
fclose(f);
}
free_memory();
return ret < 0;
}