Exit client with 'q' fix bounds check - sacc - sacc(omys), simple console gopher client
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---
DIR commit 79e35daca2237ca69767574fbcb29192acf1c9ef
DIR parent e831853d549fee7311b1d02c320dbfa174e115b1
HTML Author: Quentin Rameau <quinq@fifth.space>
Date: Tue, 20 Jun 2017 19:55:58 +0200
Exit client with 'q' fix bounds check
Diffstat:
M sacc.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
---
DIR diff --git a/sacc.c b/sacc.c
@@ -358,6 +358,7 @@ int
main(int argc, char *argv[])
{
Item *hole;
+ char buf[BUFSIZ];
int n, itm;
if (argc != 2)
@@ -370,10 +371,16 @@ main(int argc, char *argv[])
if (!(n = display(hole)))
break;
do {
- printf("%d items, visit (empty to quit): ", n);
- if (scanf("%d", &itm) != 1)
+ printf("%d items, visit (^D or q: quit): ", n);
+ if (!fgets(buf, sizeof(buf), stdin)) {
+ putchar('\n');
goto quit;
- } while (itm < 1 && itm > n);
+ }
+ if (!strcmp(buf, "q\n"))
+ goto quit;
+ if (sscanf(buf, "%d", &itm) != 1)
+ continue;
+ } while (itm < 1 || itm > n);
hole = ((Item **)hole->target)[itm-1];
}