#include <h/signals.h>
#include <setjmp.h>
#include <signal.h>
+#include <unistd.h>
static char ansbuf[BUFSIZ];
static jmp_buf sigenv;
/*
** static prototypes
*/
-static RETSIGTYPE intrser (int);
+static void intrser(int);
char **
-getans (char *prompt, struct swit *ansp)
+getans(char *prompt, struct swit *ansp)
{
int i;
SIGNAL_HANDLER istat = NULL;
char *cp, **cpp;
- if (!(setjmp (sigenv))) {
- istat = SIGNAL (SIGINT, intrser);
+ if (!(setjmp(sigenv))) {
+ istat = SIGNAL(SIGINT, intrser);
} else {
- SIGNAL (SIGINT, istat);
+ SIGNAL(SIGINT, istat);
return NULL;
}
for (;;) {
- printf ("%s", prompt);
- fflush (stdout);
+ printf("%s", prompt);
+ fflush(stdout);
cp = ansbuf;
- while ((i = getchar ()) != '\n') {
+ while ((i = getchar()) != '\n') {
if (i == EOF)
- longjmp (sigenv, 1);
+ longjmp(sigenv, 1);
if (cp < &ansbuf[sizeof ansbuf - 1])
*cp++ = i;
}
*cp = '\0';
if (ansbuf[0] == '?' || cp == ansbuf) {
- printf ("Options are:\n");
- print_sw (ALL, ansp, "", stdout);
+ printf("Options are:\n");
+ print_sw(ALL, ansp, "", stdout);
continue;
}
- cpp = brkstring (ansbuf, " ", NULL);
- switch (smatch (*cpp, ansp)) {
- case AMBIGSW:
- ambigsw (*cpp, ansp);
- continue;
- case UNKWNSW:
- printf (" -%s unknown. Hit <CR> for help.\n", *cpp);
- continue;
- default:
- SIGNAL (SIGINT, istat);
- return cpp;
+ cpp = brkstring(ansbuf, " ", NULL);
+ switch (smatch(*cpp, ansp)) {
+ case AMBIGSW:
+ ambigsw(*cpp, ansp);
+ continue;
+ case UNKWNSW:
+ printf(" -%s unknown. Hit <CR> for help.\n", *cpp);
+ continue;
+ default:
+ SIGNAL(SIGINT, istat);
+ return cpp;
}
}
}
-static RETSIGTYPE
-intrser (int i)
+static void
+intrser(int i)
{
/*
** should this be siglongjmp?
*/
- longjmp (sigenv, 1);
+ close(STDIN_FILENO);
}