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Simplify gsr-ui-cli

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dec05eba
2025-01-04 01:44:25 +01:00
parent 9998db8afa
commit 36c7bbfda3
1 changed files with 6 additions and 20 deletions
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26
tools/gsr-ui-cli/main.c
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@@ -22,21 +22,8 @@ static void get_runtime_filepath(char *buffer, size_t buffer_size, const char *f
snprintf(buffer, buffer_size, "%s/%s", dir, filename); snprintf(buffer, buffer_size, "%s/%s", dir, filename);
} }
static FILE* fifo_open_non_blocking(const char *filepath) {
const int fd = open(filepath, O_RDWR | O_NONBLOCK);
if(fd <= 0)
return NULL;
FILE *file = fdopen(fd, "r+");
if(!file) {
close(fd);
return NULL;
}
return file;
}
/* Assumes |str| size is less than 256 */ /* Assumes |str| size is less than 256 */
static void fifo_write_all(FILE *file, const char *str) { static void fifo_write_all(int file_fd, const char *str) {
char command[256]; char command[256];
const ssize_t command_size = snprintf(command, sizeof(command), "%s\n", str); const ssize_t command_size = snprintf(command, sizeof(command), "%s\n", str);
if(command_size >= (ssize_t)sizeof(command)) { if(command_size >= (ssize_t)sizeof(command)) {
@@ -46,8 +33,7 @@ static void fifo_write_all(FILE *file, const char *str) {
ssize_t offset = 0; ssize_t offset = 0;
while(offset < (ssize_t)command_size) { while(offset < (ssize_t)command_size) {
const ssize_t bytes_written = fwrite(str + offset, 1, command_size - offset, file); const ssize_t bytes_written = write(file_fd, str + offset, command_size - offset);
fflush(file);
if(bytes_written > 0) if(bytes_written > 0)
offset += bytes_written; offset += bytes_written;
} }
@@ -106,13 +92,13 @@ int main(int argc, char **argv) {
char fifo_filepath[PATH_MAX]; char fifo_filepath[PATH_MAX];
get_runtime_filepath(fifo_filepath, sizeof(fifo_filepath), "gsr-ui"); get_runtime_filepath(fifo_filepath, sizeof(fifo_filepath), "gsr-ui");
FILE *fifo_file = fifo_open_non_blocking(fifo_filepath); const int fifo_fd = open(fifo_filepath, O_RDWR | O_NONBLOCK);
if(!fifo_file) { if(fifo_fd <= 0) {
fprintf(stderr, "Error: failed to open fifo file %s. Maybe gsr-ui is not running?\n", fifo_filepath); fprintf(stderr, "Error: failed to open fifo file %s. Maybe gsr-ui is not running?\n", fifo_filepath);
exit(2); exit(2);
} }
fifo_write_all(fifo_file, command); fifo_write_all(fifo_fd, command);
fclose(fifo_file); close(fifo_fd);
return 0; return 0;
} }