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| author | Jeff Johnston <jjohnstn@redhat.com> | 2008-11-19 20:56:22 +0000 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2008-11-19 20:56:22 +0000 |
| commit | 8ee939ea9f395f95357612d64d9be8e9a6529e46 (patch) | |
| tree | 69f67c24be31e64b3973adbbacef499e6f753299 /newlib/libc/stdlib/malloc.c | |
| parent | e231c7dae90002f4aa9a6e8bdb445a0bd6c392ae (diff) | |
| download | newlib-8ee939ea9f395f95357612d64d9be8e9a6529e46.zip newlib-8ee939ea9f395f95357612d64d9be8e9a6529e46.tar.gz newlib-8ee939ea9f395f95357612d64d9be8e9a6529e46.tar.bz2 | |
2008-11-19 Jeff Johnston <jjohnstn@redhat.com>
* libc/sys/linux/bits/dirent.h: New header file.
* libc/sys/linux/sys/dirent.h: Include <bits/dirent.h> instead of
<linux/dirent.h>.
* libc/posix/Makefile.am: Remove reallocf.
* libc/posix/Makefile.in: Regenerated.
* libc/posix/reallocf.c: Moved to...
* libc/stdlib/reallocf.c: Here
* libc/stdlib/malloc.c: Add reallocf documentation.
* libc/include/stdlib.h: Add reallocf and _reallocf_r prototypes.
* libc/stdlib/Makefile.am: Add reallocf.
* libc/stdlib/Makefile.in: Regenerated.
* libc/posix/_isatty.c: Set errno.
Diffstat (limited to 'newlib/libc/stdlib/malloc.c')
| -rw-r--r-- | newlib/libc/stdlib/malloc.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/newlib/libc/stdlib/malloc.c b/newlib/libc/stdlib/malloc.c index 83453ab..160a13e 100644 --- a/newlib/libc/stdlib/malloc.c +++ b/newlib/libc/stdlib/malloc.c @@ -23,6 +23,8 @@ INDEX INDEX realloc INDEX + reallocf +INDEX free INDEX memalign @@ -33,6 +35,8 @@ INDEX INDEX _realloc_r INDEX + _reallocf_r +INDEX _free_r INDEX _memalign_r @@ -43,6 +47,7 @@ ANSI_SYNOPSIS #include <stdlib.h> void *malloc(size_t <[nbytes]>); void *realloc(void *<[aptr]>, size_t <[nbytes]>); + void *reallocf(void *<[aptr]>, size_t <[nbytes]>); void free(void *<[aptr]>); void *memalign(size_t <[align]>, size_t <[nbytes]>); @@ -52,6 +57,8 @@ ANSI_SYNOPSIS void *_malloc_r(void *<[reent]>, size_t <[nbytes]>); void *_realloc_r(void *<[reent]>, void *<[aptr]>, size_t <[nbytes]>); + void *_reallocf_r(void *<[reent]>, + void *<[aptr]>, size_t <[nbytes]>); void _free_r(void *<[reent]>, void *<[aptr]>); void *_memalign_r(void *<[reent]>, @@ -68,6 +75,10 @@ TRAD_SYNOPSIS char *<[aptr]>; size_t <[nbytes]>; + char *reallocf(<[aptr]>, <[nbytes]>) + char *<[aptr]>; + size_t <[nbytes]>; + void free(<[aptr]>) char *<[aptr]>; @@ -87,6 +98,11 @@ TRAD_SYNOPSIS char *<[aptr]>; size_t <[nbytes]>; + char *_reallocf_r(<[reent]>, <[aptr]>, <[nbytes]>) + char *<[reent]>; + char *<[aptr]>; + size_t <[nbytes]>; + void _free_r(<[reent]>, <[aptr]>) char *<[reent]>; char *<[aptr]>; @@ -124,6 +140,11 @@ memory storage pool by calling <<free>> with the address of the object as the argument. You can also use <<realloc>> for this purpose by calling it with <<0>> as the <[nbytes]> argument. +The <<reallocf>> function behaves just like <<realloc>> except if the +function is required to allocate new storage and this fails. In this +case <<reallocf>> will free the original object passed in whereas +<<realloc>> will not. + The <<memalign>> function returns a block of size <[nbytes]> aligned to a <[align]> boundary. The <[align]> argument must be a power of two. @@ -134,9 +155,9 @@ available in the block. This may or may not be more than the size requested from <<malloc>>, due to alignment or minimum size constraints. -The alternate functions <<_malloc_r>>, <<_realloc_r>>, <<_free_r>>, -<<_memalign_r>>, and <<_malloc_usable_size_r>> are reentrant versions. -The extra argument <[reent]> is a pointer to a reentrancy structure. +The alternate functions <<_malloc_r>>, <<_realloc_r>>, <<_reallocf_r>>, +<<_free_r>>, <<_memalign_r>>, and <<_malloc_usable_size_r>> are reentrant +versions. The extra argument <[reent]> is a pointer to a reentrancy structure. If you have multiple threads of execution which may call any of these routines, or if any of these routines may be called reentrantly, then |