Flush log on interrupt, just for convenience.

[open-adventure.git] / main.c

diff --git a/main.c b/main.c
index 430f763501429f46e3a8c57a841b6623648d0778..7834084eac3ed27472688c23bade12ac7475eafc 100644 (file)
--- a/main.c
+++ b/main.c
@@ -7,6 +7,7 @@
 #include <stdio.h>
 #include <stdbool.h>
 #include <getopt.h>
+#include <signal.h>
 #include "main.h"
 
 #include "misc.h"
@@ -48,6 +49,14 @@ extern void initialise();
 extern void score(long);
 extern int action(FILE *, long);
 
+void sig_handler(int signo)
+{
+    if (signo == SIGINT)
+       if (logfp != NULL)
+           fflush(logfp);
+    exit(0);
+}
+
 /*
  * MAIN PROGRAM
  */
@@ -75,6 +84,7 @@ int main(int argc, char *argv[]) {
                                fprintf(stderr,
                                        "advent: can't open logfile %s for write\n",
                                        optarg);
+                       signal(SIGINT, sig_handler);
                        break;
                case 'o':
                    oldstyle = true;
@@ -99,7 +109,8 @@ int main(int argc, char *argv[]) {
        lcgstate.a = 1093;
        lcgstate.c = 221587;
        lcgstate.m = 1048576;
-       set_seed((long)time(NULL));
+       long seedval = (long)time(NULL);
+       set_seed(seedval);
 
 /*  Read the database if we have not yet done so */
 
@@ -132,6 +143,9 @@ L1: SETUP= -1;
        LIMIT=330;
        if(NOVICE)LIMIT=1000;
 
+       if (logfp)
+           fprintf(logfp, "seed %ld\n", seedval);
+       
        for (;;) {
            if (!do_command(stdin))
                break;
@@ -142,7 +156,12 @@ L1:        SETUP= -1;
 static bool fallback_handler(signed char *buf)
 /* fallback handler for commands not handled by FORTRANish parser */
 {
-    printf("Fallback handler sees: %s\n", buf);
+    long sv;
+    if (sscanf(buf, "seed %ld", &sv) == 1) {
+       set_seed(sv);
+       printf("Seed set to %ld\n", sv);
+       return true;
+    }
     return false;
 }