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b7c891c629
These are easily built off the standard C library functions memcpy and memcmp. By marking these inline we stand a good chance of the C compiler replacing the entire thing with tight machine code, because many compilers will actually inline a memcmp or memcpy when the 3rd argument (the size) is a constant value. Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2,
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* as published by the Free Software Foundation.
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*
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* In addition to the permissions in the GNU General Public License,
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* the authors give you unlimited permission to link the compiled
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* version of this file into combinations with other programs,
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* and to distribute those combinations without any restriction
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* coming from the use of this file. (The General Public License
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* restrictions do apply in other respects; for example, they cover
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* modification of the file, and distribution when not linked into
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* a combined executable.)
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDE_git_common_h__
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#define INCLUDE_git_common_h__
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#ifdef __cplusplus
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# define GIT_BEGIN_DECL extern "C" {
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# define GIT_END_DECL }
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#else
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/** Start declarations in C mode */
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# define GIT_BEGIN_DECL /* empty */
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/** End declarations in C mode */
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# define GIT_END_DECL /* empty */
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#endif
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/** Declare a public function exported for application use. */
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#ifdef __GNUC__
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# define GIT_EXTERN(type) extern \
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__attribute__((visibility("default"))) \
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type
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#else
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# define GIT_EXTERN(type) extern type
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#endif
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/** Declare a function as always inlined. */
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# define GIT_INLINE(type) static inline type
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/** Declare a function's takes printf style arguments. */
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#ifdef __GNUC__
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# define GIT_FORMAT_PRINTF(a,b) __attribute__((format (printf, a, b)))
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#else
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# define GIT_FORMAT_PRINTF(a,b) /* empty */
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#endif
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/**
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* @file git/common.h
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* @brief Git common platform definitions
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* @defgroup git_common Git common platform definitions
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* @ingroup Git
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* @{
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*/
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/** Operation completed successfully. */
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#define GIT_SUCCESS 0
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/**
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* Operation failed, with unspecified reason.
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* This value also serves as the base error code; all other
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* error codes are subtracted from it such that all errors
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* are < 0, in typical POSIX C tradition.
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*/
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#define GIT_ERROR -1
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/** Input was not a properly formatted Git object id. */
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#define GIT_ENOTOID (GIT_ERROR - 1)
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/** Input does not exist in the scope searched. */
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#define GIT_ENOTFOUND (GIT_ERROR - 2)
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#include "git/config.h"
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GIT_BEGIN_DECL
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/** A revision traversal pool. */
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typedef struct git_revp git_revp;
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/** @} */
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GIT_END_DECL
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#endif
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