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| author | Martin Pool <mbp@samba.org> | 2002-01-03 07:49:07 +0000 |
|---|---|---|
| committer | Martin Pool <mbp@samba.org> | 2002-01-03 07:49:07 +0000 |
| commit | 092f962b9ca33c932b2dc852938d2233b0eff4ca (patch) | |
| tree | 89e4efd5c39dd3673c67a1adbe3705ca6c4ab25d /source3 | |
| parent | 8f88157dcecbecc149381b520c3724d5c080726e (diff) | |
| download | samba-092f962b9ca33c932b2dc852938d2233b0eff4ca.tar.gz samba-092f962b9ca33c932b2dc852938d2233b0eff4ca.tar.bz2 samba-092f962b9ca33c932b2dc852938d2233b0eff4ca.zip | |
Clarify doc for SAFE_FREE.
(This used to be commit 269a7d3c9ba8ca1444653c1aa56b843b8b1df08b)
Diffstat (limited to 'source3')
| -rw-r--r-- | source3/include/smb_macros.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/source3/include/smb_macros.h b/source3/include/smb_macros.h index de6f1dc3ba..2b5be96e7f 100644 --- a/source3/include/smb_macros.h +++ b/source3/include/smb_macros.h @@ -1,6 +1,5 @@ /* Unix SMB/Netbios implementation. - Version 1.9. SMB parameters and setup Copyright (C) Andrew Tridgell 1992-1999 Copyright (C) John H Terpstra 1996-1999 @@ -37,9 +36,14 @@ #define IS_DOS_SYSTEM(test_mode) (((test_mode) & aSYSTEM) != 0) #define IS_DOS_HIDDEN(test_mode) (((test_mode) & aHIDDEN) != 0) -/* free memory if the pointer is valid and zero the pointer */ - #ifndef SAFE_FREE /* Oh no this is also defined in tdb.h */ + +/** + * Free memory if the pointer and zero the pointer. + * + * @note You are explicitly allowed to pass NULL pointers -- they will + * always be ignored. + **/ #define SAFE_FREE(x) do { if ((x) != NULL) {free(x); x=NULL;} } while(0) #endif |