xscreenshot

suckless screen capture tool
git clone git://git.2f30.org/xscreenshot.git
Log | Files | Refs | README | LICENSE

commit 5e5fc6da22d1a496e21a52941af91f85b58186d2
parent 5f514c5284b3db94ecb4db1fea1e387d66ed4651
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Mon Jul 28 14:55:17 +0000

add usage information

Signed-off-by: Hiltjo Posthuma <hiltjo@codemadness.org>

Diffstat:
xscreenshot.c | 12+++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/xscreenshot.c b/xscreenshot.c @@ -93,6 +93,14 @@ pngstdout(XImage *img) png_destroy_write_struct(&png_struct_p, NULL); } +static void +usage(void) +{ + die("xscreenshot-" VERSION + ", (c) 2014 xscreenshot engineers, see LICENSE for details\n" + "usage: xscreenshot [winid]"); +} + int main(int argc, char *argv[]) { @@ -107,10 +115,12 @@ main(int argc, char *argv[]) /* win */ if(argc > 1) { + if(strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "-v") == 0) + usage(); errno = 0; win = (Window)strtol(argv[1], NULL, 0); if(errno != 0) - die("input not a number"); + usage(); } else { win = RootWindow(dpy, 0); }