diff options
Diffstat (limited to 'converter/other/pamtopng.c')
| -rw-r--r-- | converter/other/pamtopng.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/converter/other/pamtopng.c b/converter/other/pamtopng.c index bb24562a..fd0d89fa 100644 --- a/converter/other/pamtopng.c +++ b/converter/other/pamtopng.c @@ -579,6 +579,9 @@ writeRaster(const struct pam * const pamP, struct pngx * const pngxP, int const bitDepth) { + unsigned int const rowSz = + pamP->width * pamP->depth * (MAX(1, bitDepth/8)); + tuple * tupleRow; png_byte * pngRow; unsigned int row; @@ -587,8 +590,7 @@ writeRaster(const struct pam * const pamP, tupleRow = pnm_allocpamrow(pamP); - MALLOCARRAY(pngRow, pamP->width * 8); - /* sufficient to store a 16-bit RGB+A row */ + MALLOCARRAY(pngRow, rowSz); if (pngRow == NULL) pm_error("Unable to allocate space for PNG pixel row for " |