int main(int argc, char *argv[])
{
char buff[1024];
int fd, nr, nw;
if (argc < 2) {
fprintf(stderr,
"usage: %s output-filename\n"
" %s |output-command\n"
" %s :host:port\n", argv[0], argv[0], argv[0]);
return 1;
}
fd = open_gen_fd(argv[1]);
if (fd < 0) {
perror("open_gen_fd");
exit(1);
}
while ((nr = read(0, buff, sizeof (buff))) != 0) {
if (nr < 0) {
if (errno == EINTR)
continue;
perror("read");
exit(1);
}
nw = write(fd, buff, nr);
if (nw < 0) {
perror("write");
exit(1);
}
}
return 0;
}
FILE *fopen_gen_fd(char *spec, const char *mode)
{
int fd;
if (!spec || *spec == '\0')
return NULL;
fd = open_gen_fd(spec);
if (fd == -1)
return NULL;
return fdopen(fd, mode);
}
void open_logs(void)
{
int access_log;
/* if error_log_name is set, dup2 stderr to it */
/* otherwise, leave stderr alone */
/* we don't want to tie stderr to /dev/null */
if (error_log_name) {
int error_log;
/* open the log file */
if (!(error_log = open_gen_fd(error_log_name))) {
DIE("unable to open error log");
}
/* redirect stderr to error_log */
if (dup2(error_log, STDERR_FILENO) == -1) {
DIE("unable to dup2 the error log");
}
close(error_log);
}
if (access_log_name) {
access_log = open_gen_fd(access_log_name);
} else {
access_log = open("/dev/null", 0);
}
if (access_log < 0) {
DIE("unable to open access log");
}
if (dup2(access_log, STDOUT_FILENO) == -1) {
DIE("can't dup2 /dev/null to STDOUT_FILENO");
}
close(access_log);
if (cgi_log_name) {
cgi_log_fd = open_gen_fd(cgi_log_name);
if (cgi_log_fd == -1) {
WARN("open cgi_log");
free(cgi_log_name);
cgi_log_name = NULL;
cgi_log_fd = 0;
} else {
if (fcntl(cgi_log_fd, F_SETFD, 1) == -1) {
WARN("unable to set close-on-exec flag for cgi_log");
free(cgi_log_name);
cgi_log_name = NULL;
close(cgi_log_fd);
cgi_log_fd = 0;
}
}
}
#ifdef SETVBUF_REVERSED
setvbuf(stderr, _IONBF, (char *) NULL, 0);
setvbuf(stdout, _IOLBF, (char *) NULL, 0);
#else
setvbuf(stderr, (char *) NULL, _IONBF, 0);
setvbuf(stdout, (char *) NULL, _IOLBF, 0);
#endif
}