some more minor code-style improvements - xscreenshot - screen capture tool
 (HTM) git clone git://git.codemadness.org/xscreenshot
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       ---
 (DIR) commit 11794e5af35d61c0477e1a267c862939c2c8f674
 (DIR) parent cd1359cce761e458e956453bd99b4bac021723f2
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Mon, 16 Nov 2015 21:22:16 +0100
       
       some more minor code-style improvements
       
       Diffstat:
         M xscreenshot.c                       |      13 +++++++------
       
       1 file changed, 7 insertions(+), 6 deletions(-)
       ---
 (DIR) diff --git a/xscreenshot.c b/xscreenshot.c
       @@ -13,15 +13,16 @@
        #include <X11/Xutil.h>
        
        static void
       -die(const char *s) {
       +die(const char *s)
       +{
                fprintf(stderr, "xscreenshot: %s\n", s);
                exit(1);
        }
        
        static void
       -usage(char *argv0)
       +usage(char **argv)
        {
       -        fprintf(stderr, "usage: %s [winid]\n", argv0);
       +        fprintf(stderr, "usage: %s [winid]\n", argv[0]);
                exit(1);
        }
        
       @@ -41,11 +42,11 @@ main(int argc, char *argv[])
                /* identify window */
                if (argc > 1) {
                        if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "-v") == 0)
       -                        usage(argv[0]);
       +                        usage(argv);
                        errno = 0;
                        win = (Window)strtol(argv[1], NULL, 0);
       -                if (errno != 0)
       -                        usage(argv[0]);
       +                if (errno)
       +                        usage(argv);
                } else {
                        win = RootWindow(dpy, 0);
                }