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| author | Michael R Sweet <michael.r.sweet@gmail.com> | 2021-08-30 16:10:15 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-08-30 16:10:15 -0400 |
| commit | a75195039cda045f2500141dd23e336f138e4a5c (patch) | |
| tree | a904766315faa24af2f1020c99386a78b2002bcb | |
| parent | d372f8b8d5a50bcebbdb9ca097bdc8beeb984cb4 (diff) | |
| parent | 51998f16935742bb8bdc539a13d9f807965377e2 (diff) | |
| download | cups-a75195039cda045f2500141dd23e336f138e4a5c.tar.gz | |
Merge pull request #5949 from AtariDreams/null
Prevent writing to NULL if buffer is NULL
| -rw-r--r-- | cups/snprintf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/cups/snprintf.c b/cups/snprintf.c index 3c4685718..e4eb3e975 100644 --- a/cups/snprintf.c +++ b/cups/snprintf.c @@ -1,6 +1,7 @@ /* * snprintf functions for CUPS. * + * Copyright © 2021 by OpenPrinting * Copyright © 2007-2019 by Apple Inc. * Copyright © 1997-2007 by Easy Software Products. * @@ -322,7 +323,8 @@ _cups_vsnprintf(char *buffer, /* O - Output buffer */ * Nul-terminate the string and return the number of characters needed. */ - *bufptr = '\0'; + if (bufptr) + *bufptr = '\0'; return (bytes); } |