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author | Alfonso Gregory <83477269+AtariDreams@users.noreply.github.com> | 2021-08-30 15:00:29 -0400 |
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committer | Alfonso Gregory <83477269+AtariDreams@users.noreply.github.com> | 2021-08-30 15:00:29 -0400 |
commit | 51998f16935742bb8bdc539a13d9f807965377e2 (patch) | |
tree | d418ef2d57d02555c1f6ff2aa63a3dcfd61d2991 | |
parent | 67654f6346ec8b510cc7889a19409983dbfc6b7d (diff) | |
download | cups-51998f16935742bb8bdc539a13d9f807965377e2.tar.gz |
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); } |