misc/adsb-tools
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Account for the possibility of stderr not being open when we start.

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Ian Gulliver
2016-03-09 18:28:46 -08:00
parent 689bfc7939
commit 94744ef96f
1 changed files with 4 additions and 2 deletions
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adsbus/log.c
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@@ -35,9 +35,11 @@ static void log_open() {
} }
int fd = open(log_path, O_WRONLY | O_CREAT | O_APPEND | O_NOCTTY | O_CLOEXEC, S_IRUSR | S_IWUSR); int fd = open(log_path, O_WRONLY | O_CREAT | O_APPEND | O_NOCTTY | O_CLOEXEC, S_IRUSR | S_IWUSR);
assert(fd >= 0); assert(fd >= 0);
if (fd != STDERR_FILENO) {
assert(dup3(fd, STDERR_FILENO, O_CLOEXEC) == STDERR_FILENO); assert(dup3(fd, STDERR_FILENO, O_CLOEXEC) == STDERR_FILENO);
assert(!close(fd)); assert(!close(fd));
} }
}
static void log_rotate() { static void log_rotate() {
assert(log_path); assert(log_path);