ref: e888b2f826d357c81acdfbf31ddf22d357a0beaf
parent: 824d6bbaf2d453318c1de85534c4a7b567a9c4ac
author: Rangi <remy.oukaour+rangi42@gmail.com>
date: Wed Mar 2 16:39:13 EST 2022
Rename `*_verbose` functions to idiomatic `x*`
--- a/tools/common.h
+++ b/tools/common.h
@@ -27,7 +27,7 @@
int getopt_long_index;
#define getopt_long(argc, argv, optstring, longopts) getopt_long(argc, argv, optstring, longopts, &getopt_long_index)
-void *malloc_verbose(size_t size) {
+void *xmalloc(size_t size) {
errno = 0;
void *m = malloc(size);
if (!m) {
@@ -36,7 +36,7 @@
return m;
}
-void *calloc_verbose(size_t size) {
+void *xcalloc(size_t size) {
errno = 0;
void *m = calloc(size, 1);
if (!m) {
@@ -45,7 +45,16 @@
return m;
}
-FILE *fopen_verbose(const char *filename, char rw) {
+void *xrealloc(void *m, size_t size) {
+ errno = 0;
+ m = realloc(m, size);
+ if (!m) {
+ error_exit("Could not allocate %zu bytes: %s\n", size, strerror(errno));
+ }
+ return m;
+}
+
+FILE *xfopen(const char *filename, char rw) {
char mode[3] = {rw, 'b', '\0'};
errno = 0;
FILE *f = fopen(filename, mode);
@@ -55,7 +64,7 @@
return f;
}
-void fread_verbose(uint8_t *data, size_t size, const char *filename, FILE *f) {
+void xfread(uint8_t *data, size_t size, const char *filename, FILE *f) {
errno = 0;
if (fread(data, 1, size, f) != size) {
fclose(f);
@@ -63,7 +72,7 @@
}
}
-void fwrite_verbose(const uint8_t *data, size_t size, const char *filename, FILE *f) {
+void xfwrite(const uint8_t *data, size_t size, const char *filename, FILE *f) {
errno = 0;
if (fwrite(data, 1, size, f) != size) {
fclose(f);
@@ -71,7 +80,7 @@
}
}
-long file_size_verbose(const char *filename, FILE *f) {
+long xfsize(const char *filename, FILE *f) {
long size = -1;
errno = 0;
if (!fseek(f, 0, SEEK_END)) {
@@ -87,24 +96,24 @@
}
uint8_t *read_u8(const char *filename, long *size) {
- FILE *f = fopen_verbose(filename, 'r');
- *size = file_size_verbose(filename, f);
- uint8_t *data = malloc_verbose(*size);
- fread_verbose(data, *size, filename, f);
+ FILE *f = xfopen(filename, 'r');
+ *size = xfsize(filename, f);
+ uint8_t *data = xmalloc(*size);
+ xfread(data, *size, filename, f);
fclose(f);
return data;
}
void write_u8(const char *filename, uint8_t *data, size_t size) {
- FILE *f = fopen_verbose(filename, 'w');
- fwrite_verbose(data, size, filename, f);
+ FILE *f = xfopen(filename, 'w');
+ xfwrite(data, size, filename, f);
fclose(f);
}
-uint32_t read_png_width_verbose(const char *filename) {
- FILE *f = fopen_verbose(filename, 'r');
+uint32_t read_png_width(const char *filename) {
+ FILE *f = xfopen(filename, 'r');
uint8_t header[16] = {0};
- fread_verbose(header, sizeof(header), filename, f);
+ xfread(header, sizeof(header), filename, f);
static uint8_t expected_header[16] = {
0x89, 'P', 'N', 'G', '\r', '\n', 0x1A, '\n', // signature
0, 0, 0, 13, // IHDR chunk length
@@ -115,7 +124,7 @@
error_exit("Not a valid PNG file: \"%s\"\n", filename);
}
uint8_t bytes[4] = {0};
- fread_verbose(bytes, sizeof(bytes), filename, f);
+ xfread(bytes, sizeof(bytes), filename, f);
fclose(f);
return (bytes[0] << 24) | (bytes[1] << 16) | (bytes[2] << 8) | bytes[3];
}
--- a/tools/gfx.c
+++ b/tools/gfx.c
@@ -61,7 +61,7 @@
break;
case 'r':
for (char *token = strtok(optarg, ","); token; token = strtok(NULL, ",")) {
- options.preserved = realloc(options.preserved, ++options.num_preserved * sizeof(*options.preserved));
+ options.preserved = xrealloc(options.preserved, ++options.num_preserved * sizeof(*options.preserved));
options.preserved[options.num_preserved-1] = strtoul(token, NULL, 0);
}
break;
@@ -212,7 +212,7 @@
};
bool flip_exists(const uint8_t *tile, const uint8_t *tiles, int tile_size, int num_tiles, bool xflip, bool yflip) {
- uint8_t flip[tile_size];
+ uint8_t flip[tile_size]; // VLA
memset(flip, 0, tile_size);
int half_size = tile_size / 2;
for (int i = 0; i < tile_size; i++) {
@@ -250,7 +250,7 @@
int tile_size = options.depth * 8;
int width_tiles = width / 8;
int num_tiles = graphic->size / tile_size;
- uint8_t *interleaved = malloc(graphic->size);
+ uint8_t *interleaved = xmalloc(graphic->size);
for (int i = 0; i < num_tiles; i++) {
int row = i / width_tiles;
int tile = i * 2 - (row % 2 ? width_tiles * (row + 1) - 1 : width_tiles * row);
@@ -280,7 +280,7 @@
if (!options.png_file) {
error_exit("--interleave needs --png to infer dimensions");
}
- int width = read_png_width_verbose(options.png_file);
+ int width = read_png_width(options.png_file);
interleave(&graphic, width);
}
if (options.remove_duplicates) {
--- a/tools/png_dimensions.c
+++ b/tools/png_dimensions.c
@@ -4,7 +4,7 @@
#include "common.h"
uint8_t read_png_dimensions(const char *filename) {
- uint32_t width_px = read_png_width_verbose(filename);
+ uint32_t width_px = read_png_width(filename);
if (width_px != 40 && width_px != 48 && width_px != 56) {
error_exit("Not a valid width for \"%s\": %" PRIu32 " px\n", filename, width_px);
}
--- a/tools/pokemon_animation.c
+++ b/tools/pokemon_animation.c
@@ -78,21 +78,21 @@
int num_tiles_per_frame = width * width;
int num_frames = tilemap_size / num_tiles_per_frame - 1;
- frames->frames = malloc_verbose((sizeof *frames->frames) * num_frames);
+ frames->frames = xmalloc((sizeof *frames->frames) * num_frames);
frames->num_frames = num_frames;
- bitmasks->bitmasks = malloc_verbose((sizeof *bitmasks->bitmasks) * num_frames);
+ bitmasks->bitmasks = xmalloc((sizeof *bitmasks->bitmasks) * num_frames);
bitmasks->num_bitmasks = 0;
const uint8_t *first_frame = &tilemap[0];
const uint8_t *this_frame = &tilemap[num_tiles_per_frame];
for (int i = 0; i < num_frames; i++) {
- struct Frame *frame = malloc_verbose(sizeof *frame);
- frame->data = malloc_verbose(num_tiles_per_frame);
+ struct Frame *frame = xmalloc(sizeof *frame);
+ frame->data = xmalloc(num_tiles_per_frame);
frame->size = 0;
- struct Bitmask *bitmask = malloc_verbose(sizeof *bitmask);
- bitmask->data = calloc_verbose((num_tiles_per_frame + 7) / 8);
+ struct Bitmask *bitmask = xmalloc(sizeof *bitmask);
+ bitmask->data = xcalloc((num_tiles_per_frame + 7) / 8);
bitmask->bitlength = 0;
for (int j = 0; j < num_tiles_per_frame; j++) {
--- a/tools/pokemon_animation_graphics.c
+++ b/tools/pokemon_animation_graphics.c
@@ -40,7 +40,7 @@
#define TILE_SIZE 16
void transpose_tiles(uint8_t *tiles, int width, int size) {
- uint8_t *new_tiles = malloc_verbose(size);
+ uint8_t *new_tiles = xmalloc(size);
for (int i = 0; i < size; i++) {
int j = i / TILE_SIZE * width * TILE_SIZE;
j = (j / size) * TILE_SIZE + j % size + i % TILE_SIZE;
@@ -91,7 +91,7 @@
// Ensure space for a duplicate of tile 0 at the end
max_size += TILE_SIZE;
}
- uint8_t *data = malloc_verbose(max_size);
+ uint8_t *data = xmalloc(max_size);
int num_tiles = 0;
#define DATA_APPEND_TILES(tile, length) do { \
@@ -119,7 +119,7 @@
void write_tilemap(const char *filename, const uint8_t *tiles, long tiles_size, int num_tiles_per_frame, bool girafarig) {
int size = tiles_size / TILE_SIZE;
- uint8_t *data = malloc_verbose(size);
+ uint8_t *data = xmalloc(size);
int num_tiles = num_tiles_per_frame;
// Copy the first frame directly
--- a/tools/scan_includes.c
+++ b/tools/scan_includes.c
@@ -34,9 +34,9 @@
}
}
- long size = file_size_verbose(filename, f);
- char *contents = malloc_verbose(size + 1);
- fread_verbose((uint8_t *)contents, size, filename, f);
+ long size = xfsize(filename, f);
+ char *contents = xmalloc(size + 1);
+ xfread((uint8_t *)contents, size, filename, f);
fclose(f);
contents[size] = '\0';