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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2018-10-14 14:31:32 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2018-10-14 14:37:22 +0200 |
| commit | 49d83458f341c51db45ca30bcd6b35e8189e18d3 (patch) | |
| tree | b86b41104f5362b19d3ba36139f0cc7f203cc806 | |
| parent | c9a35b01a1983ff9277202f0c8e2975b2e57ac02 (diff) | |
| download | man-pages-49d83458f341c51db45ca30bcd6b35e8189e18d3.tar.gz | |
alloca.3: Prevent any misunderstanding about when allocated memory is released
Perhaps some people might misunderstand memory allocated by
alloca() to be like other memory allocated on the stack: that when
the allocation (or the pointer to the allocation) goes out of
scope, the memory is freed. Add some text to prevent that
misunderstanding.
Reported-by: Robin Kuzmin <kuzmin.robin@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man3/alloca.3 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/man3/alloca.3 b/man3/alloca.3 index 4618141ad6..0c06ff6902 100644 --- a/man3/alloca.3 +++ b/man3/alloca.3 @@ -107,6 +107,13 @@ is jumped over by a call to or .BR siglongjmp (3). .PP +The space allocated by +.BR alloca () +is +.I not +automatically deallocated if the pointer that refers to it +simply goes out of scope. +.PP Do not attempt to .BR free (3) space allocated by |