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| author | Timo Sirainen <cras@irssi.org> | 2001-07-29 01:14:25 +0000 |
|---|---|---|
| committer | cras <cras@dbcabf3a-b0e7-0310-adc4-f8d773084564> | 2001-07-29 01:14:25 +0000 |
| commit | 6ec7e12967f89e36455ff985871d99f81bd8d01e (patch) | |
| tree | 7bae2c4ecc20e16dcacbb330966e9bc742a80ebb | |
| parent | 802ee7564c4001f722eb2fde35e36627c9248cd7 (diff) | |
| download | irssi-6ec7e12967f89e36455ff985871d99f81bd8d01e.zip | |
Added a small sanity check - the condition should never happen, but it seems
to have happened with one guy.. perhaps something else had corrupted memory.
git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1665 dbcabf3a-b0e7-0310-adc4-f8d773084564
| -rw-r--r-- | src/fe-text/textbuffer.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/fe-text/textbuffer.c b/src/fe-text/textbuffer.c index 3c11aea3..105e192a 100644 --- a/src/fe-text/textbuffer.c +++ b/src/fe-text/textbuffer.c @@ -151,7 +151,8 @@ static void text_chunk_append(TEXT_BUFFER_REC *buffer, chunk = buffer->cur_text; while (chunk->pos + len >= TEXT_CHUNK_USABLE_SIZE) { left = TEXT_CHUNK_USABLE_SIZE - chunk->pos; - if (data[left-1] == 0) left--; /* don't split the commands */ + if (left > 0 && data[left-1] == 0) + left--; /* don't split the commands */ memcpy(chunk->buffer + chunk->pos, data, left); chunk->pos += left; |