diff options
| author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-08-02 22:31:05 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-08-02 22:31:05 +0000 |
| commit | 80edead5ea731c0c144def4d249eb88fb16001ef (patch) | |
| tree | 1aca5341f9b412edd03f9edf32ea5f649a2bf242 /libbb/pidfile.c | |
| parent | c01af95c398b21203cd991917101e29b21821284 (diff) | |
| download | busybox-80edead5ea731c0c144def4d249eb88fb16001ef.tar.gz | |
udhcp: slight shrink
udhcpd_main 1171 1208 +37
udhcpc_main 2363 2387 +24
dhcprelay_main 1145 1146 +1
dhcprelay_stopflag 4 1 -3
dhcprelay_signal_handler 11 8 -3
client_background 46 42 -4
udhcp_read_interface 230 211 -19
udhcp_make_pidfile 76 - -76
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 3/4 up/down: 62/-105) Total: -43 bytes
text data bss dec hex filename
770052 1096 11228 782376 bf028 busybox_old
769980 1096 11228 782304 befe0 busybox_unstripped
Diffstat (limited to 'libbb/pidfile.c')
| -rw-r--r-- | libbb/pidfile.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libbb/pidfile.c b/libbb/pidfile.c index 50af91f4e..64e67c322 100644 --- a/libbb/pidfile.c +++ b/libbb/pidfile.c @@ -17,13 +17,15 @@ int write_pidfile(const char *path) char *end; char buf[sizeof(int)*3 + 2]; + if (!path) + return 1; /* we will overwrite stale pidfile */ pid_fd = open(path, O_WRONLY|O_CREAT|O_TRUNC, 0666); if (pid_fd < 0) return 0; /* few bytes larger, but doesn't use stdio */ end = utoa_to_buf(getpid(), buf, sizeof(buf)); - end[0] = '\n'; + *end = '\n'; full_write(pid_fd, buf, end - buf + 1); close(pid_fd); return 1; |