diff options
| -rw-r--r-- | fitz/filt_faxd.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fitz/filt_faxd.c b/fitz/filt_faxd.c index 421f4d5c..d5d636f6 100644 --- a/fitz/filt_faxd.c +++ b/fitz/filt_faxd.c @@ -248,7 +248,7 @@ nearend: static inline int find_changing_color(const unsigned char *line, int x, int w, int color) { - if (!line) + if (!line || x >= w) return w; x = find_changing(line, (x > 0 || !color) ? x : -1, w); @@ -271,6 +271,9 @@ static inline void setbits(unsigned char *line, int x0, int x1) { int a0, a1, b0, b1, a; + if (x1 <= x0) + return; + a0 = x0 >> 3; a1 = x1 >> 3; |