check explicit for return of -1 - scroll - scrollbackbuffer program for st
(HTM) git clone git://git.suckless.org/scroll
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---
(DIR) commit 6612bc96e47e1db1199a4d1b657dd10eb4cd438e
(DIR) parent 47f9a83aaf2304291c6b7b8812747f482f609902
(HTM) Author: Jan Klemkow <j.klemkow@wemelug.de>
Date: Mon, 20 Apr 2020 23:01:21 +0200
check explicit for return of -1
Diffstat:
M scroll.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
---
(DIR) diff --git a/scroll.c b/scroll.c
@@ -223,11 +223,11 @@ getcursorposition(int *x, int *y)
char input[BUFSIZ];
ssize_t n;
- if (write(STDOUT_FILENO, "\033[6n", 4) < 0)
+ if (write(STDOUT_FILENO, "\033[6n", 4) == -1)
die("requesting cursor position");
do {
- if ((n = read(STDIN_FILENO, input, sizeof(input)-1)) < 0)
+ if ((n = read(STDIN_FILENO, input, sizeof(input)-1)) == -1)
die("reading cursor position");
input[n] = '\0';
} while (sscanf(input, "\033[%d;%dR", x, y) != 2);
@@ -415,7 +415,7 @@ main(int argc, char *argv[])
die("atexit:");
/* get window size of the terminal */
- if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) < 0)
+ if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1)
die("ioctl:");
if (signal(SIGWINCH, sigwinch) == SIG_ERR)