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store msglen to use it, instead of calling strlen repeatedly

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This commit is contained in:
Ivan Kanakarakis 2012-10-02 20:28:20 +03:00
parent e3ec748bce
commit 50ef93758a
1 changed files with 4 additions and 1 deletions
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5
bspc.c
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@ -31,6 +31,7 @@ int main(int argc, char *argv[])
{
int sock_fd;
struct sockaddr_un sock_address;
size_t msglen = 0;
char msg[BUFSIZ] = {0};
char rsp[BUFSIZ] = {0};
@ -50,6 +51,8 @@ int main(int argc, char *argv[])
for (int offset = 0, len = BUFSIZ, n = 0; --argc && ++argv && len > 0; offset += n, len -= n)
n = snprintf(msg + offset, len, "%s ", *argv);
msglen = strlen(msg);
sock_fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (sock_fd == -1)
err("failed to create socket\n");
@ -57,7 +60,7 @@ int main(int argc, char *argv[])
if (connect(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address)) == -1)
err("failed to connect to socket\n");
if (send(sock_fd, msg, strlen(msg), 0) == -1)
if (send(sock_fd, msg, msglen, 0) == -1)
err("failed to send data\n");
int n = recv(sock_fd, rsp, sizeof(rsp), 0);