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Flush log on interrupt, just for convenience.

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This commit is contained in:
Eric S. Raymond 2017-05-26 07:22:24 -04:00
parent f5cd343fc6
commit 5c4fdc35eb
1 changed files with 10 additions and 0 deletions
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10
main.c
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@ -7,6 +7,7 @@
#include <stdio.h> #include <stdio.h>
#include <stdbool.h> #include <stdbool.h>
#include <getopt.h> #include <getopt.h>
#include <signal.h>
#include "main.h" #include "main.h"
#include "misc.h" #include "misc.h"
@ -48,6 +49,14 @@ extern void initialise();
extern void score(long); extern void score(long);
extern int action(FILE *, long); extern int action(FILE *, long);
void sig_handler(int signo)
{
if (signo == SIGINT)
if (logfp != NULL)
fflush(logfp);
exit(0);
}
/* /*
* MAIN PROGRAM * MAIN PROGRAM
*/ */
@ -75,6 +84,7 @@ int main(int argc, char *argv[]) {
fprintf(stderr, fprintf(stderr,
"advent: can't open logfile %s for write\n", "advent: can't open logfile %s for write\n",
optarg); optarg);
signal(SIGINT, sig_handler);
break; break;
case 'o': case 'o':
oldstyle = true; oldstyle = true;