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author | Nikita Popov <nikic@php.net> | 2014-09-03 15:36:04 +0200 |
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committer | Nikita Popov <nikic@php.net> | 2014-09-03 15:38:06 +0200 |
commit | 979058d4ffee024255dc12b8bc94df88235bf45d (patch) | |
tree | 69f05f4da97fe658b8297a2b7a2fa2c0043b934c | |
parent | fdd1e96f3e90895134c4082bde8cad475378deac (diff) | |
download | php-git-979058d4ffee024255dc12b8bc94df88235bf45d.tar.gz |
Disable format string checking by default
Instead of removing format attributes altogether, disable the checks
by default. This allows you to do a build with format string checks
and filter out the false positives (basically anything mentioning
%p).
-rw-r--r-- | Zend/zend.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Zend/zend.h b/Zend/zend.h index 9e8f9a62d6..a0d8ba9e0c 100644 --- a/Zend/zend.h +++ b/Zend/zend.h @@ -159,13 +159,17 @@ char *alloca (); # define ZEND_ATTRIBUTE_ALLOC_SIZE2(X,Y) #endif -#if ZEND_GCC_VERSION >= 2007 +/* Format string checks are disabled by default, because we use custom format modifiers (like %p), + * which cause a large amount of false positives. You can enable format checks by adding + * -DZEND_CHECK_FORMAT_STRINGS to CFLAGS. */ + +#if ZEND_GCC_VERSION >= 2007 && defined(ZEND_CHECK_FORMAT_STRINGS) # define ZEND_ATTRIBUTE_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first))) #else # define ZEND_ATTRIBUTE_FORMAT(type, idx, first) #endif -#if ZEND_GCC_VERSION >= 3001 && !defined(__INTEL_COMPILER) +#if ZEND_GCC_VERSION >= 3001 && !defined(__INTEL_COMPILER) && defined(ZEND_CHECK_FORMAT_STRINGS) # define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first))) #else # define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first) |