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author | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
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committer | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
commit | 2de9abc5c9d40b3c716307d67d16146f823fd554 (patch) | |
tree | 6979db67934ddc8b564150b465846a383b428ff8 /gnulib/lib/safe-alloc.h | |
parent | 33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff) | |
download | patch-baserock/bootstrap.tar.gz |
add the output of bootstrapbaserock/bootstrap-pass2baserock/bootstrap
Diffstat (limited to 'gnulib/lib/safe-alloc.h')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/safe-alloc.h | 121 |
2 files changed, 121 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/safe-alloc.h b/gnulib/lib/safe-alloc.h new file mode 100644 index 0000000..269d1bf --- /dev/null +++ b/gnulib/lib/safe-alloc.h @@ -0,0 +1,121 @@ +/* safe-alloc.h: safer memory allocation + + Copyright (C) 2009-2011 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 3 of the License, or any + later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* Written by Daniel Berrange <berrange@redhat.com>, 2008 */ + +#ifndef SAFE_ALLOC_H_ +# define SAFE_ALLOC_H_ + +# include <stdlib.h> + +#ifndef __GNUC_PREREQ +# if defined __GNUC__ && defined __GNUC_MINOR__ +# define __GNUC_PREREQ(maj, min) \ + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) +# else +# define __GNUC_PREREQ(maj, min) 0 +# endif +#endif + +# ifndef _GL_ATTRIBUTE_RETURN_CHECK +# if __GNUC_PREREQ (3, 4) +# define _GL_ATTRIBUTE_RETURN_CHECK __attribute__((__warn_unused_result__)) +# else +# define _GL_ATTRIBUTE_RETURN_CHECK +# endif +# endif + +/* Don't call these directly - use the macros below */ +int +safe_alloc_alloc_n (void *ptrptr, size_t size, size_t count, int zeroed) + _GL_ATTRIBUTE_RETURN_CHECK; + +int +safe_alloc_realloc_n (void *ptrptr, size_t size, size_t count) + _GL_ATTRIBUTE_RETURN_CHECK; + +/** + * ALLOC: + * @ptr: pointer to hold address of allocated memory + * + * Allocate sizeof(*ptr) bytes of memory and store + * the address of allocated memory in 'ptr'. Fill the + * newly allocated memory with zeros. + * + * Return -1 on failure to allocate, zero on success + */ +# define ALLOC(ptr) \ + safe_alloc_alloc_n (&(ptr), sizeof (*(ptr)), 1, 1) + +/** + * ALLOC_N: + * @ptr: pointer to hold address of allocated memory + * @count: number of elements to allocate + * + * Allocate an array of 'count' elements, each sizeof(*ptr) + * bytes long and store the address of allocated memory in + * 'ptr'. Fill the newly allocated memory with zeros. + * + * Return -1 on failure, 0 on success + */ +# define ALLOC_N(ptr, count) \ + safe_alloc_alloc_n (&(ptr), sizeof (*(ptr)), (count), 1) + +/** + * ALLOC_N_UNINITIALIZED: + * @ptr: pointer to hold address of allocated memory + * @count: number of elements to allocate + * + * Allocate an array of 'count' elements, each sizeof(*ptr) + * bytes long and store the address of allocated memory in + * 'ptr'. Do not initialize the new memory at all. + * + * Return -1 on failure to allocate, zero on success + */ +# define ALLOC_N_UNINITIALIZED(ptr, count) \ + safe_alloc_alloc_n (&(ptr), sizeof (*(ptr)), (count), 0) + +/** + * REALLOC_N: + * @ptr: pointer to hold address of allocated memory + * @count: number of elements to allocate + * + * Re-allocate an array of 'count' elements, each sizeof(*ptr) + * bytes long and store the address of allocated memory in + * 'ptr'. Fill the newly allocated memory with zeros + * + * Return -1 on failure to reallocate, zero on success + */ +# define REALLOC_N(ptr, count) \ + safe_alloc_realloc_n (&(ptr), sizeof (*(ptr)), (count)) + +/** + * FREE: + * @ptr: pointer holding address to be freed + * + * Free the memory stored in 'ptr' and update to point + * to NULL. + */ +# define FREE(ptr) \ + do \ + { \ + free (ptr); \ + (ptr) = NULL; \ + } \ + while (0) + +#endif /* SAFE_ALLOC_H_ */ |