Improve navigation handling - sacc - sacc (saccomys): simple gopher client.
(DIR) Log
(DIR) Files
(DIR) Refs
(DIR) LICENSE
---
(DIR) commit 5035e8a5d53fe0003422fdf550fc4b94addf95bc
(DIR) parent 2025a3c168bbfe7cb7c0f2cfb6b7d6f88e1403f6
(HTM) Author: Quentin Rameau <quinq@fifth.space>
Date: Wed, 21 Jun 2017 21:13:37 +0200
Improve navigation handling
Diffstat:
sacc.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
---
(DIR) diff --git a/sacc.c b/sacc.c
@@ -312,27 +312,36 @@ delve(Item *hole)
char buf[BUFSIZ];
Item *entry = NULL;
int n, itm;
+ char nl;
for (;;) {
if (dig(entry, hole)) {
n = display(hole);
} else {
n = 0;
- fprintf(stderr, "Couldn't get %s:%s/%c%s\n",
- hole->host, hole->port,
- hole->type, hole->selector);
+ fprintf(stderr, "Couldn't get %s:%s/%c%s\n", hole->host,
+ hole->port, hole->type, hole->selector);
}
+
do {
printf("%d items, visit (0: back, ^D or q: quit): ", n);
+
if (!fgets(buf, sizeof(buf), stdin)) {
putchar('\n');
return;
}
if (!strcmp(buf, "q\n"))
return;
- if (sscanf(buf, "%d", &itm) != 1)
+
+ itm = -1;
+ if (*buf < '0' || *buf > '9')
continue;
+
+ nl = '\0';
+ if (sscanf(buf, "%d%c", &itm, &nl) != 2 || nl != '\n')
+ itm = -1;
} while (itm < 0 || itm > n);
+
if (itm) {
entry = hole;
hole = ((Item **)hole->target)[itm-1];