mirror of https://github.com/pret/pokecrystal.git
78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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void usage(void) {
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printf("Usage: scan_includes filename\n");
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exit(1);
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}
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void scan_file(char* filename) {
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FILE* f;
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long size;
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char* orig;
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char* buffer;
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char* include;
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int length;
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f = fopen(filename, "r");
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if (f == NULL) {
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fprintf(stderr, "Could not open file: '%s'\n", filename);
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exit(1);
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}
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fseek(f, 0, SEEK_END);
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size = ftell(f);
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rewind(f);
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buffer = malloc(size + 1);
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orig = buffer;
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fread(buffer, 1, size, f);
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buffer[size] = '\0';
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fclose(f);
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for (; buffer && (buffer - orig < size); buffer++) {
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if (buffer[0] == ';') {
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buffer = strchr(buffer, '\n');
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if (!buffer) {
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fprintf(stderr, "%s: no newline at end of file\n", filename);
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break;
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}
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continue;
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}
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bool is_include = false;
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bool is_incbin = false;
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if ((strncmp(buffer, "INCBIN", 6) == 0) || (strncmp(buffer, "incbin", 6) == 0)) {
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is_incbin = true;
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} else if ((strncmp(buffer, "INCLUDE", 7) == 0) || (strncmp(buffer, "include", 7) == 0)) {
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is_include = true;
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}
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if (is_incbin || is_include) {
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buffer = strchr(buffer, '"') + 1;
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if (!buffer) {
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break;
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}
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length = strcspn(buffer, "\"");
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include = malloc(length + 1);
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strncpy(include, buffer, length);
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include[length] = '\0';
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printf("%s ", include);
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if (is_include) {
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scan_file(include);
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}
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free(include);
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}
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}
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free(orig);
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}
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int main(int argc, char* argv[]) {
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if (argc < 2) {
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usage();
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}
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scan_file(argv[1]);
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return 0;
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}
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