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Diffstat (limited to 'src/fe-text/textbuffer.c')
| -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; |