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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2023-09-28 02:23:55 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2023-09-28 02:23:55 +0000 |
| commit | 79f81b0d544a525ae86f23f9bd2d7b758780af7c (patch) | |
| tree | a6e64fc32d89bab9c5e056a4bbb5ae869ebbb767 /converter | |
| parent | 02213cd08ba5a3b2b7a006a90d885f80206f4a2c (diff) | |
| download | netpbm-mirror-79f81b0d544a525ae86f23f9bd2d7b758780af7c.tar.gz netpbm-mirror-79f81b0d544a525ae86f23f9bd2d7b758780af7c.tar.xz netpbm-mirror-79f81b0d544a525ae86f23f9bd2d7b758780af7c.zip | |
cleanup
git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@4695 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'converter')
| -rw-r--r-- | converter/ppm/ppmtolj.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/converter/ppm/ppmtolj.c b/converter/ppm/ppmtolj.c index 8acdfe5e..e2e03ac5 100644 --- a/converter/ppm/ppmtolj.c +++ b/converter/ppm/ppmtolj.c @@ -11,6 +11,7 @@ */ #include <stdbool.h> +#include <limits.h> #include <string.h> #include "ppm.h" @@ -206,6 +207,11 @@ printRaster(FILE * const ifP, pixelrow = ppm_allocrow(cols); + if (cols > UINT_MAX/6) { + /* We may need a row buffer of up to cols * 6 bytes for compression */ + pm_error("Image is uncomputably wide (%u columns)", cols); + } + obuf = (unsigned char *) pm_allocrow(cols * 3, sizeof(unsigned char)); cbuf = (unsigned char *) pm_allocrow(cols * 6, sizeof(unsigned char)); |