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authorUlrich Drepper <drepper@redhat.com>2009-10-30 00:11:07 -0700
committerUlrich Drepper <drepper@redhat.com>2009-10-30 00:11:07 -0700
commit7f3146e7895f248dd2f655e9e5895abebb2bf506 (patch)
treeccde3c9b0e03bdb97c2f00299977dec4d8bef4a4 /sysdeps/posix
parent471d4931f83644cf86ae2f044cc29c95b9d12109 (diff)
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Implement mkstemps and mkstemps64.
Diffstat (limited to 'sysdeps/posix')
-rw-r--r--sysdeps/posix/tempname.c14
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