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examples: use perror instead of fprintf GNU %m printf extension

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Tudor Brindus 2020-10-10 22:57:45 -04:00 committed by Simon Ser
parent 45c1a3621c
commit ec3f432bbb
3 changed files with 6 additions and 6 deletions
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6
examples/screencopy-dmabuf.c
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@ -297,7 +297,7 @@ int main(int argc, char *argv[]) {
drm_fd = open(render_node, O_RDWR); drm_fd = open(render_node, O_RDWR);
if (drm_fd < 0) { if (drm_fd < 0) {
fprintf(stderr, "Failed to open drm render node: %m\n"); perror("Failed to open drm render node");
return EXIT_FAILURE; return EXIT_FAILURE;
} }
@ -309,7 +309,7 @@ int main(int argc, char *argv[]) {
struct wl_display *display = wl_display_connect(NULL); struct wl_display *display = wl_display_connect(NULL);
if (display == NULL) { if (display == NULL) {
fprintf(stderr, "failed to create display: %m\n"); perror("failed to create display");
return EXIT_FAILURE; return EXIT_FAILURE;
} }
@ -343,7 +343,7 @@ int main(int argc, char *argv[]) {
void *data = gbm_bo_map(buffer.bo, 0, 0, buffer.width, buffer.height, void *data = gbm_bo_map(buffer.bo, 0, 0, buffer.width, buffer.height,
GBM_BO_TRANSFER_READ, &stride, &map_data); GBM_BO_TRANSFER_READ, &stride, &map_data);
if (!data) { if (!data) {
fprintf(stderr, "Failed to map gbm bo: %m\n"); perror("Failed to map gbm bo");
return EXIT_FAILURE; return EXIT_FAILURE;
} }

4
examples/screencopy.c
View file

@ -90,7 +90,7 @@ static struct wl_buffer *create_shm_buffer(enum wl_shm_format fmt,
void *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); void *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (data == MAP_FAILED) { if (data == MAP_FAILED) {
fprintf(stderr, "mmap failed: %m\n"); perror("mmap failed");
close(fd); close(fd);
return NULL; return NULL;
} }
@ -228,7 +228,7 @@ static void write_image(char *filename, enum wl_shm_format wl_fmt, int width,
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
struct wl_display * display = wl_display_connect(NULL); struct wl_display * display = wl_display_connect(NULL);
if (display == NULL) { if (display == NULL) {
fprintf(stderr, "failed to create display: %m\n"); perror("failed to create display");
return EXIT_FAILURE; return EXIT_FAILURE;
} }

2
examples/virtual-pointer.c
View file

@ -61,7 +61,7 @@ int main(int argc, char *argv[]) {
} }
struct wl_display * display = wl_display_connect(NULL); struct wl_display * display = wl_display_connect(NULL);
if (display == NULL) { if (display == NULL) {
fprintf(stderr, "failed to create display: %m\n"); perror("failed to create display");
return EXIT_FAILURE; return EXIT_FAILURE;
} }