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| author | Ulrich Sibiller <uli42@gmx.de> | 2017-12-07 22:35:59 +0100 |
|---|---|---|
| committer | Mihai Moldovan <ionic@ionic.de> | 2017-12-09 13:15:35 +0100 |
| commit | 4dbee3a3f13657577f283bca22b281d7273c19e5 (patch) | |
| tree | 638d62dce7a3e1f4245cb53212e3e422f310be99 /nxcomp/src/Misc.h | |
| parent | 2814677a7e2b259669708c89ed55b55dc1c46f9c (diff) | |
| download | nx-libs-4dbee3a3f13657577f283bca22b281d7273c19e5.tar.gz nx-libs-4dbee3a3f13657577f283bca22b281d7273c19e5.tar.bz2 nx-libs-4dbee3a3f13657577f283bca22b281d7273c19e5.zip | |
nxcomp: use new macro SAFE_FREE(ptr)
Should be used instead of free() calls and will clear the pointer after
calling free(). This can prevent double-free or use-after-free errors.
Diffstat (limited to 'nxcomp/src/Misc.h')
| -rw-r--r-- | nxcomp/src/Misc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/nxcomp/src/Misc.h b/nxcomp/src/Misc.h index 997630137..7808c34c2 100644 --- a/nxcomp/src/Misc.h +++ b/nxcomp/src/Misc.h @@ -54,6 +54,9 @@ using namespace std; #define EGET() (errno) #define ESTR() strerror(errno) +// a free() macro that clears the ptr after free +#define SAFE_FREE(ptr) do { free(ptr); ptr = NULL; } while (0) + // // TCP port offset applied to NX port specification. // |