diff options
Diffstat (limited to 'sntpc.c')
| -rw-r--r-- | sntpc.c | 20 |
1 files changed, 10 insertions, 10 deletions
@@ -1,4 +1,4 @@ -/* Copyright (c) 2008 Natanael Copa +/* Copyright (c) 2008-2016 Natanael Copa * * Licencend under GPL-2 */ @@ -34,7 +34,7 @@ static const char *usage_str = "usage: sntpc [-bdhnvV] [-i INTERVAL] NTPHOST\n" " -h Show this help\n" " -n Do not set time, just show the offset and delay\n" " -i Poll every INTERVAL seconds\n" -" -v Verbose logging\n" +" -v Verbose logging\n" " -V Show version and exit\n" "\n"; @@ -44,7 +44,7 @@ int init_conn(const char *host, const char *service) { struct addrinfo hints; struct addrinfo *res, *res0; int fd, error; - + memset(&hints, 0, sizeof(struct addrinfo)); hints.ai_family = AF_UNSPEC; hints.ai_socktype = SOCK_DGRAM; @@ -134,7 +134,7 @@ int ntp_msg_recv(int fd, struct ntp_msg *msg) return 0; } -int ntp_msg_query(int fd, struct ntp_msg *response, +int ntp_msg_query(int fd, struct ntp_msg *response, double *T1, double *T4) { int retry = 3; @@ -148,9 +148,9 @@ int ntp_msg_query(int fd, struct ntp_msg *response, if (ntp_msg_wait(fd, 3000) <= 0) continue; - + *T4 = gettime(); - if (ntp_msg_recv(fd, response) == 0) + if (ntp_msg_recv(fd, response) == 0) break; } if (retry == 0) @@ -199,7 +199,7 @@ int sync_time(const char *host) int ret; int fd; double T1, T2, T3, T4, delay, offset; - + fd = init_conn(host, "ntp"); if (fd < 0) return -1; @@ -228,7 +228,7 @@ void daemonize(void) { int pid = fork(); if (pid < 0) fatal("fork"); - + if (pid > 0) exit(0); @@ -249,7 +249,7 @@ int main(int argc, char * const argv[]) background++; break; case 'h': - printf(usage_str); + printf("%s", usage_str); return(0); case 'i': interval = atoi(optarg); @@ -267,7 +267,7 @@ int main(int argc, char * const argv[]) } } if (optind != (argc - 1)) { - printf(usage_str); + printf("%s", usage_str); return 1; } ntphost = argv[optind]; |