tImprove navigation handling - sacc - sacc(omys), simple console gopher client (mirror)
HTML git clone https://git.parazyd.org/sacc
DIR Log
DIR Files
DIR Refs
DIR LICENSE
---
DIR commit 71302cd77ae2eb37e2b1281b9e8d6215e5d70e15
DIR parent d8d55448c98ebba791bf971579705d44d99d0ae2
HTML Author: Quentin Rameau <quinq@fifth.space>
Date: Wed, 21 Jun 2017 21:13:37 +0200
Improve navigation handling
Diffstat:
M sacc.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
---
DIR diff --git a/sacc.c b/sacc.c
t@@ -307,27 +307,36 @@ 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];