58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include "libsm64.h"
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#include "utils.h"
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#define N64CKSUM_VERSION "0.1"
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static void print_usage(void)
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{
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ERROR("Usage: n64cksum ROM [ROM_OUT]\n"
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"\n"
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"n64cksum v" N64CKSUM_VERSION ": N64 ROM checksum calculator\n"
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"\n"
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"File arguments:\n"
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" ROM input ROM file\n"
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" ROM_OUT output ROM file (default: overwrites input ROM)\n");
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}
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int main(int argc, char *argv[])
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{
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unsigned char *rom_data;
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char *file_in;
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char *file_out;
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long length;
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long write_length;
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if (argc < 2) {
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print_usage();
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return EXIT_FAILURE;
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}
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file_in = argv[1];
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if (argc > 2) {
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file_out = argv[2];
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} else {
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file_out = argv[1];
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}
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length = read_file(file_in, &rom_data);
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if (length < 0) {
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ERROR("Error reading input file \"%s\"\n", file_in);
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return EXIT_FAILURE;
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}
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sm64_update_checksums(rom_data);
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write_length = write_file(file_out, rom_data, length);
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free(rom_data);
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if (write_length != length) {
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ERROR("Error writing to output file \"%s\"\n", file_out);
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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