diff options
Diffstat (limited to 'usr.bin/split/split.c')
| -rw-r--r-- | usr.bin/split/split.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/usr.bin/split/split.c b/usr.bin/split/split.c index e246a0d4adfc..52374c93efca 100644 --- a/usr.bin/split/split.c +++ b/usr.bin/split/split.c @@ -401,6 +401,10 @@ newfile(void) */ if (!dflag && autosfx && (fpnt[0] == 'y') && strspn(fpnt+1, "z") == strlen(fpnt+1)) { + /* Ensure the generated filenames will fit into the buffer. */ + if (strlen(fname) + 2 >= sizeof(fname)) + errx(EX_USAGE, "combined filenames would be too long"); + fpnt = fname + strlen(fname) - sufflen; fpnt[sufflen + 2] = '\0'; fpnt[0] = end; |