diff options
| author | cinap_lenrek <cinap_lenrek@gmx.de> | 2012-07-17 08:51:20 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@gmx.de> | 2012-07-17 08:51:20 +0200 |
| commit | 5654f15e56087986812c557412d558482383fc8b (patch) | |
| tree | cfe4119de15bb1d61e37a01265f38432f19aa544 /sys | |
| parent | a78f5f8a3d72fc18c9bb734e066f45e9a3be5ab0 (diff) | |
png: sysfatal, debug print to stderr instead of potentialy messing up output stream
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/src/cmd/jpg/readpng.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/sys/src/cmd/jpg/readpng.c b/sys/src/cmd/jpg/readpng.c index 750a6009d..7be53bd74 100644 --- a/sys/src/cmd/jpg/readpng.c +++ b/sys/src/cmd/jpg/readpng.c @@ -175,6 +175,8 @@ unfilter(int alg, uchar *buf, uchar *up, int len, int bypp) int i; switch(alg){ + default: + fprint(2, "unknown filtering scheme %d\n", alg); case FilterNone: break; @@ -201,9 +203,6 @@ unfilter(int alg, uchar *buf, uchar *up, int len, int bypp) for(; i < len; ++i) buf[i] += paeth(buf[i-bypp], up[i], up[i-bypp]); break; - - default: - sysfatal("unknown filtering scheme %d\n", alg); } } @@ -312,7 +311,7 @@ scanbytes(ZlibW *z) else n = (dx+adx-1)/adx; if(n != 1 + (z->dx - (adam7[z->pass].x+1)) / adam7[z->pass].dx){ - print("%d/%d != 1+(%d-1)/%d = %d\n", + fprint(2, "%d/%d != 1+(%d-1)/%d = %d\n", z->dx - adam7[z->pass].x - 1 + adx, adx, z->dx - (adam7[z->pass].x+1), adam7[z->pass].dx, 1 + (z->dx - (adam7[z->pass].x+1)) / adam7[z->pass].dx); |