diff options
author | Ian Jackson <ijackson@chiark.greenend.org.uk> | 2016-11-05 13:29:11 +0000 |
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committer | Ian Jackson <ijackson@chiark.greenend.org.uk> | 2016-11-05 13:29:11 +0000 |
commit | 97579ece00da4f34cdb8460311b5c56bd7fba161 (patch) | |
tree | f16a41c286143aaf0f1833629f3a16e326aab12e /cprogs | |
parent | 78c7e0c44c2686cf1b9f043297bdd51ce28d0192 (diff) |
xduplic-copier: Print error message, rather than segfaulting, if XOpenDisplay fails.
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
Diffstat (limited to 'cprogs')
-rw-r--r-- | cprogs/xduplic-copier.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/cprogs/xduplic-copier.c b/cprogs/xduplic-copier.c index 80374f9..7118d95 100644 --- a/cprogs/xduplic-copier.c +++ b/cprogs/xduplic-copier.c @@ -234,6 +234,7 @@ int main(int argc, const char **argv) { Font font; display= XOpenDisplay(0); + if (!display) { fputs("XOpenDisplay failed\n",stderr); exit(-1); } screen= DefaultScreen(display); cmap= DefaultColormap(display,screen); root= DefaultRootWindow(display); |