From cd3b4915c3358b93f8dbff531bff82c0cd833c0b Mon Sep 17 00:00:00 2001 From: Connor Lane Smith Date: Fri, 6 May 2011 21:13:02 +0100 Subject: helpful errors --- draw.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'draw.c') diff --git a/draw.c b/draw.c index 80a5074..83ced4b 100644 --- a/draw.c +++ b/draw.c @@ -68,6 +68,11 @@ eprintf(const char *fmt, ...) { va_start(ap, fmt); vfprintf(stderr, fmt, ap); va_end(ap); + + if(fmt[strlen(fmt)-1] == ':') { + fputc(' ', stderr); + perror(NULL); + } exit(EXIT_FAILURE); } @@ -101,7 +106,7 @@ initdc(void) { if(!setlocale(LC_CTYPE, "") || !XSupportsLocale()) weprintf("no locale support\n"); if(!(dc = calloc(1, sizeof *dc))) - eprintf("cannot malloc %u bytes\n", sizeof *dc); + eprintf("cannot malloc %u bytes:", sizeof *dc); if(!(dc->dpy = XOpenDisplay(NULL))) eprintf("cannot open display\n"); -- cgit v1.2.3