diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/bin/mj2/opj_mj2_extract.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/bin/mj2/opj_mj2_extract.c b/src/bin/mj2/opj_mj2_extract.c index a062e17d..fa67bf85 100644 --- a/src/bin/mj2/opj_mj2_extract.c +++ b/src/bin/mj2/opj_mj2_extract.c @@ -140,10 +140,21 @@ int main(int argc, char *argv[]) fread(frame_codestream, sample->sample_size - 8, 1, file); /* Assuming that jp and ftyp markers size do*/ - sprintf(outfilename, "%s_%05d.j2k", argv[2], snum); + { + int num = snprintf(outfilename, sizeof(outfilename), + "%s_%05d.j2k", argv[2], + snum); + if (num >= sizeof(outfilename)) { + fprintf(stderr, "maximum length of output prefix exceeded\n"); + free(frame_codestream); + return 1; + } + } + outfile = fopen(outfilename, "wb"); if (!outfile) { fprintf(stderr, "failed to open %s for writing\n", outfilename); + free(frame_codestream); return 1; } fwrite(frame_codestream, sample->sample_size - 8, 1, outfile); |