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Use static arrays where possible.

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Connor E 2019-01-16 09:57:51 +00:00 • committed by emersion
parent aa9d7d8ca1
commit de6f5b3453
3 changed files with 23 additions and 36 deletions
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16
common/ipc-client.c
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@ -10,7 +10,8 @@
#include "log.h"
static const char ipc_magic[] = {'i', '3', '-', 'i', 'p', 'c'};
static const size_t ipc_header_size = sizeof(ipc_magic)+8;
#define IPC_HEADER_SIZE (sizeof(ipc_magic) + 8)
char *get_socketpath(void) {
const char *swaysock = getenv("SWAYSOCK");
@ -61,12 +62,12 @@ int ipc_open_socket(const char *socket_path) {
}
struct ipc_response *ipc_recv_response(int socketfd) {
char *data = malloc(sizeof(char) * ipc_header_size);
char data[IPC_HEADER_SIZE];
uint32_t *data32 = (uint32_t *)(data + sizeof(ipc_magic));
size_t total = 0;
while (total < ipc_header_size) {
ssize_t received = recv(socketfd, data + total, ipc_header_size - total, 0);
while (total < IPC_HEADER_SIZE) {
ssize_t received = recv(socketfd, data + total, IPC_HEADER_SIZE - total, 0);
if (received <= 0) {
sway_abort("Unable to receive IPC response");
}
@ -81,7 +82,6 @@ struct ipc_response *ipc_recv_response(int socketfd) {
total = 0;
memcpy(&response->size, &data32[0], sizeof(data32[0]));
memcpy(&response->type, &data32[1], sizeof(data32[1]));
free(data);
char *payload = malloc(response->size + 1);
if (!payload) {
@ -113,18 +113,16 @@ void free_ipc_response(struct ipc_response *response) {
}
char *ipc_single_command(int socketfd, uint32_t type, const char *payload, uint32_t *len) {
char *data = malloc(sizeof(char) * ipc_header_size);
char data[IPC_HEADER_SIZE];
uint32_t *data32 = (uint32_t *)(data + sizeof(ipc_magic));
memcpy(data, ipc_magic, sizeof(ipc_magic));
memcpy(&data32[0], len, sizeof(*len));
memcpy(&data32[1], &type, sizeof(type));
if (write(socketfd, data, ipc_header_size) == -1) {
if (write(socketfd, data, IPC_HEADER_SIZE) == -1) {
sway_abort("Unable to send IPC header");
}
free(data);
if (write(socketfd, payload, *len) == -1) {
sway_abort("Unable to send IPC payload");
}