THC/runner.c at master · svip/THC · GitHub

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#include "thc.h"

#include <unistd.h>
#include <signal.h>
#include <time.h>

void signal_insertrow(struct html_builder *builder,
                      char *signal_name,
                      char *signal_code,
                      char *value) {
  TAG(("tr"),
      TAG(("td"),
          TEXT(signal_name);
          TAG(("tt"), TEXT(signal_code)))
      TAG(("td"), TEXT(value)))
    }

void signal_handler(int signal, siginfo_t *info, void *context) {
  char *error;
  struct html_builder builderv;
  struct html_builder *builder = &builderv;
  UNUSED(info);
  UNUSED(context);
  switch (signal) {
  case SIGSEGV:
    error = "Lagersegmentfejl";
    break;
  case SIGBUS:
    error = "Busfejl";
    break;
  default:
    error = "Løbsk undtagelse";
  }
  webpage_start(builder, NULL, "Fejl");
  TAG(("article"),
      TAG(("header"),
          TAG(("h1"),
              TEXT(printbf("Fejl: %s", error))));
      TAG(("table", "class", "error-table"),
          TAG(("thead"),
              TAG(("tr"),
                  TAG(("th"), TEXT("Variabel"));
                  TAG(("th"), TEXT("Værdi"))));
          TAG(("tbody"),
              signal_insertrow(builder, "Signal number", "si_signo",
                               printbf("%d", info->si_signo));
              signal_insertrow(builder, "Error number", "si_errno",
                               printbf("%d", info->si_errno));
              signal_insertrow(builder, "Signal code", "si_code",
                               printbf("%d", info->si_code));
              signal_insertrow(builder, "Process id", "si_pid",
                               printbf("%d", info->si_pid));
              signal_insertrow(builder, "User id", "si_uid",
                               printbf("%d", info->si_uid));
              signal_insertrow(builder, "Exit status", "si_status",
                               printbf("%d", info->si_status));
              signal_insertrow(builder, "User time", "si_utime",
                               printbf("%f", ((float)info->si_utime/CLOCKS_PER_SEC)));
              signal_insertrow(builder, "System time", "si_stime",
                               printbf("%f", ((float)info->si_stime/CLOCKS_PER_SEC)));
              signal_insertrow(builder, "POSIX signal", "si_int",
                               printbf("%d", info->si_int));
              )));
  webpage_end(builder);
  print_tree(builder->top_node, 0);
  exit(1);
}

int main(int argc, char** argv) {
  struct sigaction action;
  action.sa_sigaction = signal_handler;
  action.sa_flags = SA_SIGINFO;
  sigemptyset(&action.sa_mask);
  sigaction(SIGSEGV, &action, NULL);
  printf("Content-type: text/html; charset=utf-8\r\n");
  printf("Cache-control: max-age=3600\r\n");
  printf("\r\n");
  printf("<!doctype html>\r\n");
  return pagemain(argc, argv);
}