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