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| author | Mattias Andrée <maandree@kth.se> | 2017-01-10 04:34:04 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2017-01-10 04:34:04 +0100 |
| commit | 8934e0b37b40e1d764086ed7ad13e8ed61c8fea3 (patch) | |
| tree | 34e658fccb6a263da639ee491b05474fc7a6bd50 /src | |
| parent | vu-repeat: add option to repeat ad infinitum (diff) | |
| download | blind-8934e0b37b40e1d764086ed7ad13e8ed61c8fea3.tar.gz blind-8934e0b37b40e1d764086ed7ad13e8ed61c8fea3.tar.bz2 blind-8934e0b37b40e1d764086ed7ad13e8ed61c8fea3.tar.xz | |
Check that the width and height are non-zero, to avoid division by zero error
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src')
| -rw-r--r-- | src/stream.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/stream.c b/src/stream.c index 86813e6..e99d003 100644 --- a/src/stream.c +++ b/src/stream.c @@ -64,6 +64,11 @@ eninit_stream(int status, struct stream *stream) if (errno || *end) goto bad_format; + if (!stream->width) + eprintf("%s: width is zero\n", stream->file); + if (!stream->height) + eprintf("%s: height is zero\n", stream->file); + n = (size_t)(p - stream->buf) + 1; memmove(stream->buf, stream->buf + n, stream->ptr -= n); while (stream->ptr < 5) { |