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author | Jon Parise <jon@php.net> | 2002-10-10 17:03:49 +0000 |
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committer | Jon Parise <jon@php.net> | 2002-10-10 17:03:49 +0000 |
commit | e79772d6e047b56a018ce3d295c552c12092bcd2 (patch) | |
tree | bc18cb732eecab642eda41998e060b2113deec2b /CODING_STANDARDS | |
parent | 2f88f504c1b3ec9a2513c84239019a582a11231e (diff) | |
download | php-git-e79772d6e047b56a018ce3d295c552c12092bcd2.tar.gz |
Adding a new item (number 11) that explains why it's important to use
emalloc() and friends in place of the standard C library functions.
Diffstat (limited to 'CODING_STANDARDS')
-rw-r--r-- | CODING_STANDARDS | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/CODING_STANDARDS b/CODING_STANDARDS index 826d7e46c8..077f997063 100644 --- a/CODING_STANDARDS +++ b/CODING_STANDARDS @@ -122,6 +122,19 @@ Exceptions: existing. End users should use function_exists() to test for the existence of a function +[11] Prefer emalloc(), efree(), estrdup(), etc. to their standard C library + counterparts. These functions implement an internal "safety-net" + mechanism that ensures the deallocation of any unfreed memory at the + end of a request. They also provide useful allocation and overflow + information while running in debug mode. + + In almost all cases, memory returned to the engine must be allocated + using emalloc(). + + The use of malloc() should be limited to cases where a third-party + library may need to control or free the memory, or when the memory in + question needs to survive between multiple requests. + Naming Conventions ------------------ |