static
void
dowrite(const char *buf, size_t len)
{
size_t done;
ssize_t result;
static unsigned write_errors = 0;
if (!mode.do_output) {
return;
}
if (outputfd < 0) {
output_open();
}
done = 0;
while (done < len) {
result = write(outputfd, buf+done, len-done);
if (result == -1) {
complain(NULL, "%s: write: %s",
mode.output_file, strerror(errno));
complain_failed();
write_errors++;
if (write_errors > 5) {
complain(NULL, "%s: giving up",
mode.output_file);
die();
}
/* XXX is this really a good idea? */
sleep(1);
}
done += (size_t)result;
}
}
int
main(int argc, char *argv[])
{
const char *progname;
const char *inputfile = NULL;
const char *outputfile = NULL;
struct place cmdplace;
int i;
progname = strrchr(argv[0], '/');
progname = progname == NULL ? argv[0] : progname + 1;
complain_init(progname);
if (pledge("stdio rpath wpath cpath", NULL) == -1) {
fprintf(stderr, "%s: pledge: %s", progname, strerror(errno));
exit(1);
}
init();
for (i=1; i<argc; i++) {
if ((argv[i][0] != '-') || !strcmp(argv[i], "-")) {
break;
}
place_setcommandline(&cmdplace, i, 1);
if (check_ignore_option(argv[i]+1)) {
continue;
}
if (check_flag_option(argv[i]+1)) {
continue;
}
if (check_act_option(argv[i]+1)) {
continue;
}
if (check_prefix_option(&cmdplace, argv[i]+1)) {
continue;
}
place_setcommandline(&cmdplace, i+1, 1);
if (check_arg_option(argv[i]+1, &cmdplace, argv[i+1])) {
i++;
continue;
}
usage(progname, "Invalid option %s", argv[i]);
}
if (i < argc) {
inputfile = argv[i++];
}
if (i < argc) {
outputfile = argv[i++];
}
if (i < argc) {
usage(progname, "Extra non-option argument %s", argv[i]);
}
mode.output_file = outputfile;
loadincludepath();
apply_builtin_macros();
apply_commandline_macros();
read_commandline_files();
place_setnowhere(&cmdplace);
file_readabsolute(&cmdplace, inputfile);
cleanup();
if (complain_failed()) {
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}