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| author | trhodes <trhodes@FreeBSD.org> | 2002-12-20 01:01:24 +0000 |
|---|---|---|
| committer | trhodes <trhodes@FreeBSD.org> | 2002-12-20 01:01:24 +0000 |
| commit | 71621c649c41e6dea0f80644e4e51f370ebcab8c (patch) | |
| tree | 793f19b01d150117d5192c80f4ee96b8880ff6a0 /lib/libc | |
| parent | 93c339304633b5ad378709d555b7c1ee41c842c0 (diff) | |
| download | FreeBSD-src-71621c649c41e6dea0f80644e4e51f370ebcab8c.zip FreeBSD-src-71621c649c41e6dea0f80644e4e51f370ebcab8c.tar.gz | |
Document what really occurs when we obtain an error.
PR: 43357
Submitted by: David Schultz <dschultz@uclink.Berkeley.EDU>
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/stdlib/malloc.3 | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/libc/stdlib/malloc.3 b/lib/libc/stdlib/malloc.3 index 8fa0326..b6084d6 100644 --- a/lib/libc/stdlib/malloc.3 +++ b/lib/libc/stdlib/malloc.3 @@ -304,14 +304,17 @@ functions return a pointer, possibly identical to to the allocated memory if successful; otherwise a .Dv NULL -pointer is returned, in which case the -memory referenced by -.Fa ptr -is still available and intact. -In the case of memory allocation failure, +pointer is returned, and .Va errno is set to -.Er ENOMEM . +.Er ENOMEM +if the error was the result of an allocation failure. +The +.Fn realloc +function always leaves the original buffer intact +when an error occurs, whereas +.Fn reallocf +deallocates it in this case. .Pp The .Fn free |
