void
setup_sighandlers(void)
{
struct sigaction saction;
sigemptyset(&saction.sa_mask);
saction.sa_flags = 0;
if (success_when_zero) {
saction.sa_handler = zero_handler;
}
else {
saction.sa_handler = timebomb_handler;
if (sigaction(SIGALRM, &saction, NULL)) {
perror("sigaction");
_exit(EXIT_FAILURE);
}
}
if (sigaction(SIGINT, &saction, NULL)) {
perror("sigaction");
_exit(EXIT_FAILURE);
}
if (success_when_timebomb) {
setup_sigchld();
}
}
BOOL fork_exec_and_wait(char *browser_fmt, char *url)
{
pid_t child;
char buffer[MAX_PATH];
char *cur, *next, *ins, *ptr;
char *args[MAX_ARGS+1];
int status, argc, len;
argc = 0;
ins = strstr(browser_fmt, "%s");
cur = browser_fmt;
ptr = buffer;
while (argc < MAX_ARGS) {
next = strchr(cur, ' ');
if (!next) next = cur + strlen(cur);
if (ins >= cur && ins < next) {
/* it's the %s argument, I'm going to assume it's always its own parameter */
args[argc++] = url;
} else {
/* anything else */
args[argc++] = ptr;
len = next - cur;
if ((ptr + len - buffer) >= MAX_PATH)
len = buffer + MAX_PATH - ptr - 1;
memcpy(ptr, cur, len);
ptr += len;
*ptr++ = 0;
if ((ptr - buffer) == MAX_PATH)
break;
}
if (!*next) break;
cur = next+1;
}
args[argc] = NULL;
setup_sigchld();
child = fork();
if (child == -1)
{
return FALSE;
}
if (child == 0)
{ /* child */
fprintf(stderr, "using browser %s\n", args[0]);
unsetenv("TEMP"); /* mozilla doesn't like wines TEMP (or TMP) env variable */
unsetenv("TMP");
execvp(args[0], args);
_exit(1);
}
/* parent */
waitpid(child, &status, 0);
return TRUE;
}