diff options
| -rw-r--r-- | doc/HISTORY | 4 | ||||
| -rw-r--r-- | other/pamstack.c | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/doc/HISTORY b/doc/HISTORY index a2aa6f47..8bd31abb 100644 --- a/doc/HISTORY +++ b/doc/HISTORY @@ -20,6 +20,10 @@ not yet BJH Release 11.04.00 pamstack: Fix -lcmmaxval: chooses wrong maxval. Always broken (-lcmmaxval was new in Netpbm 11.03 (June 2023)). + pamstack: Fail gracefully when total number of planes is too + large for unsigned integer. Always broken (Pamstack was new in + Netpbm 10.0 (June 2002). + 23.06.28 BJH Release 11.03.00 pamstack: Add -firstmaxval, -lcmmaxval diff --git a/other/pamstack.c b/other/pamstack.c index 285e02c0..533795ca 100644 --- a/other/pamstack.c +++ b/other/pamstack.c @@ -242,6 +242,11 @@ processOneImageInAllStreams(unsigned int const nInput, maxvalLcm = pm_lcm(maxvalLcm + 1, inpam[inputSeq].maxval + 1, 1, PAM_OVERALL_MAXVAL + 1) - 1; + if (inpam[inputSeq].depth > UINT_MAX - outputDepth) + pm_error("Total number of planes is too large to compute " + "(at least %u plus %u)", + outputDepth, inpam[inputSeq].depth); + outputDepth += inpam[inputSeq].depth; } |