static int
process_stream(FILE *fp)
{
int follow;
struct stat sb;
ino_t last_ino = 0;
dev_t last_dev = 0;
dev_t last_rdev = 0;
size_t last_size = 0;
char line[LINE_SIZE];
/* Initialise our current position and file "instance" variables. */
if (fstat(fileno(fp), &sb) == 0) {
last_ino = sb.st_ino;
last_dev = sb.st_dev;
last_rdev = sb.st_rdev;
last_size = sb.st_size;
}
follow = follow_flag && fileno(fp) != STDIN_FILENO;
while (fgets(line, sizeof (line), fp) != NULL) {
process_rules(line);
if (follow) {
/* Wait for new data to accumulate. */
sleep(POLL_INTERVAL);
/* Check for truncation or new instance of file. */
if (fstat(fileno(fp), &sb)
|| sb.st_size < last_size
|| sb.st_ino != last_ino
|| sb.st_dev != last_dev
|| sb.st_dev != last_rdev)
return -1;
last_ino = sb.st_ino;
last_dev = sb.st_dev;
last_rdev = sb.st_rdev;
last_size = sb.st_size;
}
}
return 0;
}
void solve_sub(bool emscripten_mode) {
bool happy = true;
#ifdef HEAP_CHECK
acf_setup();
#endif
if (happy) {
index_from = ac_index_new();
happy = index_from;
if (!happy) report_fallback(0);
}
if (happy) {
index_to = ac_index_new();
happy = index_to;
if (!happy) report_fallback(1);
}
if (happy) {
CARRAY(masks_from, rules_count);
happy = masks_from;
if (!happy) report_fallback(2);
}
if (happy) {
CARRAY(masks_to, rules_count);
happy = masks_to;
if (!happy) report_fallback(3);
}
if (happy) {
happy = process_rules();
if (!happy) report_fallback(4);
}
if (happy) {
happy = ac_index_fix(index_from);
if (!happy) report_fallback(5);
}
if (happy) {
happy = ac_index_fix(index_to);
if (!happy) report_fallback(6);
}
if (happy) {
CARRAY(query_from, rules_count);
happy = query_from;
if (!happy) report_fallback(7);
}
if (happy) {
CARRAY(query_to, rules_count);
happy = query_to;
if (!happy) report_fallback(8);
}
if (happy) {
MALLOC_REMAINING(emscripten_mode);
happy = results_buffer;
if (!happy) report_fallback(9);
}
if (happy) {
happy = process_messages(false);
if (!happy) report_fallback(10);
}
if (happy) {
#ifdef HEAP_CHECK
fprintf(stderr, "\n--=== no fallback ===--\n\n");
#endif
} else {
cleanup();
MALLOC_REMAINING(emscripten_mode);
if (!results_buffer) abort(); // must work second time
process_messages(true);
}
// fprintf(stderr, "minimal_width %d\n", minimal_width);
// fprintf(stderr, "candidates_count %d\n", candidates_count);
// fprintf(stderr, "candidates_length %d\n", candidates_length);
// fprintf(stderr, "insertions_count %d\n", insertions_count);
// fprintf(stderr, "insertions_length %d\n", insertions_length);
// fprintf(stderr, "wildcards_count %d\n", wildcards_count);
// fprintf(stderr, "wildcards_length %d\n", wildcards_length);
// fprintf(stderr, "query_successes %d\n", query_successes);
// fprintf(stderr, "handy_calls %d\n", handy_calls);
}
