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https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-09-09 09:51:34 -07:00
Rewrite tools/scan_includes.c to use common.h and factor out a parse_args function
This commit is contained in:
parent
313deab552
commit
0d1a029e81
@ -12,9 +12,10 @@
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#include <getopt.h>
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int getopt_long_index;
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#define getopt_long(c, v, s, l) getopt_long(c, v, s, l, &getopt_long_index)
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#define getopt_long(argc, argv, optstring, longopts) getopt_long(argc, argv, optstring, longopts, &getopt_long_index)
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void *malloc_verbose(size_t size) {
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errno = 0;
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void *m = malloc(size);
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if (!m) {
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fprintf(stderr, "Could not allocate %zu bytes: %s\n", size, strerror(errno));
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@ -25,6 +26,7 @@ void *malloc_verbose(size_t size) {
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FILE *fopen_verbose(const char *filename, char rw) {
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char mode[3] = {rw, 'b', '\0'};
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errno = 0;
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FILE *f = fopen(filename, mode);
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if (!f) {
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fprintf(stderr, "Could not open file \"%s\": %s\n", filename, strerror(errno));
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@ -34,6 +36,7 @@ FILE *fopen_verbose(const char *filename, char rw) {
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}
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void fread_verbose(uint8_t *data, size_t size, const char *filename, FILE *f) {
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errno = 0;
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if (fread(data, 1, size, f) != size) {
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fprintf(stderr, "Could not read from file \"%s\": %s\n", filename, strerror(errno));
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fclose(f);
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@ -42,6 +45,7 @@ void fread_verbose(uint8_t *data, size_t size, const char *filename, FILE *f) {
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}
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void fwrite_verbose(const uint8_t *data, size_t size, const char *filename, FILE *f) {
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errno = 0;
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if (fwrite(data, 1, size, f) != size) {
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fprintf(stderr, "Could not write to file \"%s\": %s\n", filename, strerror(errno));
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fclose(f);
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@ -49,15 +53,16 @@ void fwrite_verbose(const uint8_t *data, size_t size, const char *filename, FILE
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}
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}
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long file_size(const char *filename, FILE *f) {
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long size = 0;
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long file_size_verbose(const char *filename, FILE *f) {
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long size = -1;
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errno = 0;
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if (!fseek(f, 0, SEEK_END)) {
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size = ftell(f);
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if (size != -1) {
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rewind(f);
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}
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}
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if (errno) {
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if (size == -1) {
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fprintf(stderr, "Could not measure file \"%s\": %s\n", filename, strerror(errno));
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exit(1);
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}
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@ -66,7 +71,7 @@ long file_size(const char *filename, FILE *f) {
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uint8_t *read_u8(const char *filename, long *size) {
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FILE *f = fopen_verbose(filename, 'r');
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*size = file_size(filename, f);
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*size = file_size_verbose(filename, f);
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uint8_t *data = malloc_verbose(*size);
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fread_verbose(data, *size, filename, f);
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fclose(f);
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@ -1,7 +1,7 @@
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#include "common.h"
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void usage() {
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fprintf(stderr, "Usage: png_dimensions in.png out.dimensions\n");
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fputs("Usage: png_dimensions in.png out.dimensions\n", stderr);
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}
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uint8_t read_dimensions(const char *filename) {
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@ -19,6 +19,7 @@ int main(int argc, char *argv[]) {
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usage();
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exit(1);
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}
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uint8_t output_byte = read_dimensions(argv[1]);
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write_u8(argv[2], &output_byte, 1);
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return 0;
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@ -1,135 +1,105 @@
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#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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#include <getopt.h>
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#include "common.h"
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void usage(void) {
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printf("Usage: scan_includes [-h] [-s] filename\n"
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"-h, --help\n"
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" Print usage and exit\n"
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"-s, --strict\n"
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" Fail if a file cannot be read\n");
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fputs("Usage: scan_includes [-h|--help] [-s|--strict] filename.asm\n", stderr);
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}
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struct Options {
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bool help;
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bool strict;
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};
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struct Options Options = {0};
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void scan_file(char* filename) {
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void scan_file(const char *filename, bool strict) {
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errno = 0;
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FILE *f = fopen(filename, "rb");
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if (!f) {
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if (Options.strict) {
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fprintf(stderr, "Could not open file: '%s'\n", filename);
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if (strict) {
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fprintf(stderr, "Could not open file \"%s\": %s\n", filename, strerror(errno));
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exit(1);
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} else {
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return;
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}
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}
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fseek(f, 0, SEEK_END);
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long size = ftell(f);
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rewind(f);
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char *buffer = malloc(size + 1);
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char *orig = buffer;
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size = fread(buffer, 1, size, f);
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buffer[size] = '\0';
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long size = file_size_verbose(filename, f);
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char *contents = malloc_verbose(size + 1);
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fread_verbose((uint8_t *)contents, size, filename, f);
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fclose(f);
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contents[size] = '\0';
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for (; buffer && (buffer - orig < size); buffer++) {
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bool is_include = false;
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bool is_incbin = false;
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switch (*buffer) {
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case ';':
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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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for (char *ptr = contents; ptr && ptr - contents < size; ptr++) {
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bool is_incbin = false, is_include = false;
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switch (*ptr) {
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case ';':
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ptr = strchr(ptr, '\n');
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if (!ptr) {
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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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break;
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case '"':
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ptr++;
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ptr = strchr(ptr, '"');
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if (!ptr) {
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fprintf(stderr, "%s: unterminated string\n", filename);
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break;
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}
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ptr++;
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break;
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case 'I':
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case 'i':
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is_incbin = !strncmp(ptr, "INCBIN", 6) || !strncmp(ptr, "incbin", 6);
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is_include = !strncmp(ptr, "INCLUDE", 7) || !strncmp(ptr, "include", 7);
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if (is_incbin || is_include) {
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ptr = strchr(ptr, '"');
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if (!ptr) {
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break;
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}
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break;
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case '"':
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buffer++;
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buffer = strchr(buffer, '"');
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if (!buffer) {
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fprintf(stderr, "%s: unterminated string\n", filename);
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break;
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ptr++;
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char *include_path = ptr;
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size_t length = strcspn(ptr, "\"");
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ptr += length + 1;
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include_path[length] = '\0';
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printf("%s ", include_path);
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if (is_include) {
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scan_file(include_path, strict);
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}
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buffer++;
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break;
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case 'i':
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case 'I':
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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, '"');
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if (!buffer) {
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break;
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}
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buffer++;
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int length = strcspn(buffer, "\"");
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char *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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buffer = strchr(buffer, '"');
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}
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break;
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}
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if (!buffer) {
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}
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break;
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}
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}
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free(orig);
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free(contents);
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}
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int main(int argc, char* argv[]) {
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int i = 0;
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void parse_args(int argc, char *argv[], bool *strict) {
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struct option long_options[] = {
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{"strict", no_argument, 0, 's'},
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{"help", no_argument, 0, 'h'},
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{0}
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};
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int opt = -1;
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while ((opt = getopt_long(argc, argv, "sh", long_options, &i)) != -1) {
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for (int opt; (opt = getopt_long(argc, argv, "sh", long_options)) != -1;) {
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switch (opt) {
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case 's':
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Options.strict = true;
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*strict = true;
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break;
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case 'h':
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Options.help = true;
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usage();
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exit(0);
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break;
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default:
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usage();
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exit(1);
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break;
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}
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}
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}
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int main(int argc, char *argv[]) {
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bool strict = false;
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parse_args(argc, argv, &strict);
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argc -= optind;
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argv += optind;
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if (Options.help) {
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usage();
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return 0;
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}
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if (argc < 1) {
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usage();
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exit(1);
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}
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scan_file(argv[0]);
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scan_file(argv[0], strict);
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return 0;
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}
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@ -37,7 +37,7 @@ uint8_t dbg_base[BASESIZE] = {'b', 'a', 's', 'e', 1, 0, 0, 0,
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uint8_t n64ps3[N64PS3SIZE] = {'N', '6', '4', 'P', 'S', '3'};
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static void usage(void) {
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fprintf(stderr, "Usage: stadium [-h|--help] [-b|--base us|eu|dbg] romfile\n");
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fputs("Usage: stadium [-h|--help] [-b|--base us|eu|dbg] romfile\n", stderr);
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}
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void parse_args(int argc, char *argv[], Base *b) {
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@ -46,8 +46,8 @@ void parse_args(int argc, char *argv[], Base *b) {
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{"help", no_argument, 0, 'h'},
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{0}
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};
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for (int opt = 0; opt != -1;) {
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switch (opt = getopt_long(argc, argv, "hb:", long_options)) {
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for (int opt; (opt = getopt_long(argc, argv, "hb:", long_options)) != -1;) {
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switch (opt) {
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case 'h':
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usage();
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exit(0);
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@ -58,13 +58,9 @@ void parse_args(int argc, char *argv[], Base *b) {
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!strcmp(optarg, "dbg") ? BASE_DEBUG :
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BASE_NONE;
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break;
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case 0:
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case -1:
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break;
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default:
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usage();
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exit(1);
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break;
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}
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}
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}
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@ -157,6 +153,5 @@ int main(int argc, char *argv[]) {
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uint8_t *file = read_u8(filename, &filesize);
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calculate_checksums(file, filesize, base);
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write_u8(filename, file, filesize);
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return 0;
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}
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