diff options
Diffstat (limited to 'sysdeps/posix/tempname.c')
| -rw-r--r-- | sysdeps/posix/tempname.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/sysdeps/posix/tempname.c b/sysdeps/posix/tempname.c index be979d8..57ce5a9 100644 --- a/sysdeps/posix/tempname.c +++ b/sysdeps/posix/tempname.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-2001, 2006, 2007 Free Software Foundation, Inc. +/* Copyright (C) 1991-2001, 2006, 2007, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -210,9 +210,9 @@ static const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; /* Generate a temporary file name based on TMPL. TMPL must match the - rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed - does not exist at the time of the call to __gen_tempname. TMPL is - overwritten with the result. + rules for mk[s]temp (i.e. end in "XXXXXX", possibly with a suffix). + The name constructed does not exist at the time of the call to + __gen_tempname. TMPL is overwritten with the result. KIND may be one of: __GT_NOCREATE: simply verify that the name does not exist @@ -223,7 +223,7 @@ static const char letters[] = We use a clever algorithm to get hard-to-predict names. */ int -__gen_tempname (char *tmpl, int flags, int kind) +__gen_tempname (char *tmpl, int suffixlen, int flags, int kind) { int len; char *XXXXXX; @@ -251,14 +251,14 @@ __gen_tempname (char *tmpl, int flags, int kind) #endif len = strlen (tmpl); - if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX")) + if (len < 6 + suffixlen || memcmp (&tmpl[len - 6 - suffixlen], "XXXXXX", 6)) { __set_errno (EINVAL); return -1; } /* This is where the Xs start. */ - XXXXXX = &tmpl[len - 6]; + XXXXXX = &tmpl[len - 6 - suffixlen]; /* Get some more or less random data. */ #ifdef RANDOM_BITS |