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xcursor: adjust style, use calloc() 

Adjust the code style for wlroots, and use calloc() for structs.
This commit is contained in:
Simon Ser 2023-04-11 19:57:31 +02:00
parent b1e38fc7ea
commit 9affcaa93c
1 changed files with 19 additions and 47 deletions
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66
xcursor/wlr_xcursor.c
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@ -47,17 +47,13 @@ static void xcursor_destroy(struct wlr_xcursor *cursor) {
static struct wlr_xcursor *xcursor_create_from_data(
const struct cursor_metadata *metadata, struct wlr_xcursor_theme *theme) {
struct wlr_xcursor *cursor;
struct wlr_xcursor_image *image;
int size;
cursor = malloc(sizeof(*cursor));
struct wlr_xcursor *cursor = calloc(1, sizeof(*cursor));
if (!cursor) {
return NULL;
}
cursor->image_count = 1;
cursor->images = malloc(sizeof(*cursor->images));
cursor->images = calloc(1, sizeof(*cursor->images));
if (!cursor->images) {
goto err_free_cursor;
}
@ -65,7 +61,7 @@ static struct wlr_xcursor *xcursor_create_from_data(
cursor->name = strdup(metadata->name);
cursor->total_delay = 0;
image = malloc(sizeof(*image));
struct wlr_xcursor_image *image = calloc(1, sizeof(*image));
if (!image) {
goto err_free_images;
}
@ -78,9 +74,8 @@ static struct wlr_xcursor *xcursor_create_from_data(
image->hotspot_y = metadata->hotspot_y;
image->delay = 0;
size = metadata->width * metadata->height * sizeof(uint32_t);
int size = metadata->width * metadata->height * sizeof(uint32_t);
image->buffer = malloc(size);
if (!image->buffer) {
goto err_free_image;
}
@ -102,42 +97,33 @@ err_free_cursor:
}
static void load_default_theme(struct wlr_xcursor_theme *theme) {
uint32_t i;
free(theme->name);
theme->name = strdup("default");
theme->cursor_count = sizeof(cursor_metadata) / sizeof(cursor_metadata[0]);
theme->cursors = malloc(theme->cursor_count * sizeof(*theme->cursors));
if (theme->cursors == NULL) {
theme->cursor_count = 0;
return;
}
for (i = 0; i < theme->cursor_count; ++i) {
for (uint32_t i = 0; i < theme->cursor_count; ++i) {
theme->cursors[i] =
xcursor_create_from_data(&cursor_metadata[i], theme);
if (theme->cursors[i] == NULL) {
break;
}
}
theme->cursor_count = i;
}
static struct wlr_xcursor *xcursor_create_from_xcursor_images(
XcursorImages *images, struct wlr_xcursor_theme *theme) {
struct wlr_xcursor *cursor;
struct wlr_xcursor_image *image;
int i, size;
cursor = malloc(sizeof(*cursor));
struct wlr_xcursor *cursor = calloc(1, sizeof(*cursor));
if (!cursor) {
return NULL;
}
cursor->images = malloc(images->nimage * sizeof(cursor->images[0]));
cursor->images = calloc(images->nimage, sizeof(cursor->images[0]));
if (!cursor->images) {
free(cursor);
return NULL;
@ -146,8 +132,8 @@ static struct wlr_xcursor *xcursor_create_from_xcursor_images(
cursor->name = strdup(images->name);
cursor->total_delay = 0;
for (i = 0; i < images->nimage; i++) {
image = malloc(sizeof(*image));
for (int i = 0; i < images->nimage; i++) {
struct wlr_xcursor_image *image = calloc(1, sizeof(*image));
if (image == NULL) {
break;
}
@ -160,7 +146,7 @@ static struct wlr_xcursor *xcursor_create_from_xcursor_images(
image->hotspot_y = images->images[i]->yhot;
image->delay = images->images[i]->delay;
size = image->width * image->height * 4;
size_t size = image->width * image->height * 4;
image->buffer = malloc(size);
if (!image->buffer) {
free(image);
@ -171,8 +157,8 @@ static struct wlr_xcursor *xcursor_create_from_xcursor_images(
memcpy(image->buffer, images->images[i]->pixels, size);
cursor->total_delay += image->delay;
cursor->images[i] = image;
cursor->image_count++;
}
cursor->image_count = i;
if (cursor->image_count == 0) {
free(cursor->name);
@ -186,22 +172,17 @@ static struct wlr_xcursor *xcursor_create_from_xcursor_images(
static void load_callback(XcursorImages *images, void *data) {
struct wlr_xcursor_theme *theme = data;
struct wlr_xcursor *cursor;
if (wlr_xcursor_theme_get_cursor(theme, images->name)) {
XcursorImagesDestroy(images);
return;
}
cursor = xcursor_create_from_xcursor_images(images, theme);
struct wlr_xcursor *cursor = xcursor_create_from_xcursor_images(images, theme);
if (cursor) {
struct wlr_xcursor **cursors;
theme->cursor_count++;
cursors =
realloc(theme->cursors,
theme->cursor_count * sizeof(theme->cursors[0]));
struct wlr_xcursor **cursors = realloc(theme->cursors,
theme->cursor_count * sizeof(theme->cursors[0]));
if (cursors == NULL) {
theme->cursor_count--;
free(cursor);
@ -215,9 +196,7 @@ static void load_callback(XcursorImages *images, void *data) {
}
struct wlr_xcursor_theme *wlr_xcursor_theme_load(const char *name, int size) {
struct wlr_xcursor_theme *theme;
theme = malloc(sizeof(*theme));
struct wlr_xcursor_theme *theme = calloc(1, sizeof(*theme));
if (!theme) {
return NULL;
}
@ -251,9 +230,7 @@ out_error_name:
}
void wlr_xcursor_theme_destroy(struct wlr_xcursor_theme *theme) {
unsigned int i;
for (i = 0; i < theme->cursor_count; i++) {
for (unsigned int i = 0; i < theme->cursor_count; i++) {
xcursor_destroy(theme->cursors[i]);
}
@ -264,9 +241,7 @@ void wlr_xcursor_theme_destroy(struct wlr_xcursor_theme *theme) {
struct wlr_xcursor *wlr_xcursor_theme_get_cursor(struct wlr_xcursor_theme *theme,
const char *name) {
unsigned int i;
for (i = 0; i < theme->cursor_count; i++) {
for (unsigned int i = 0; i < theme->cursor_count; i++) {
if (strcmp(name, theme->cursors[i]->name) == 0) {
return theme->cursors[i];
}
@ -277,9 +252,6 @@ struct wlr_xcursor *wlr_xcursor_theme_get_cursor(struct wlr_xcursor_theme *theme
static int xcursor_frame_and_duration(struct wlr_xcursor *cursor,
uint32_t time, uint32_t *duration) {
uint32_t t;
int i;
if (cursor->image_count == 1) {
if (duration) {
*duration = 0;
@ -287,8 +259,8 @@ static int xcursor_frame_and_duration(struct wlr_xcursor *cursor,
return 0;
}
i = 0;
t = time % cursor->total_delay;
int i = 0;
uint32_t t = time % cursor->total_delay;
/* If there is a 0 delay in the image set then this
* loop breaks on it and we display that cursor until