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Diffstat (limited to 'src/common.h')
-rw-r--r-- | src/common.h | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/src/common.h b/src/common.h deleted file mode 100644 index 9bb1116b5..000000000 --- a/src/common.h +++ /dev/null @@ -1,207 +0,0 @@ -/* - * Copyright (C) the libgit2 contributors. All rights reserved. - * - * This file is part of libgit2, distributed under the GNU GPL v2 with - * a Linking Exception. For full terms see the included COPYING file. - */ -#ifndef INCLUDE_common_h__ -#define INCLUDE_common_h__ - -#ifndef LIBGIT2_NO_FEATURES_H -# include "git2/sys/features.h" -#endif - -#include "git2/common.h" -#include "cc-compat.h" - -/** Declare a function as always inlined. */ -#if defined(_MSC_VER) -# define GIT_INLINE(type) static __inline type -#elif defined(__GNUC__) -# define GIT_INLINE(type) static __inline__ type -#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) -# define GIT_INLINE(type) static inline type -#else -# define GIT_INLINE(type) static type -#endif - -/** Support for gcc/clang __has_builtin intrinsic */ -#ifndef __has_builtin -# define __has_builtin(x) 0 -#endif - -/** - * Declare that a function's return value must be used. - * - * Used mostly to guard against potential silent bugs at runtime. This is - * recommended to be added to functions that: - * - * - Allocate / reallocate memory. This prevents memory leaks or errors where - * buffers are expected to have grown to a certain size, but could not be - * resized. - * - Acquire locks. When a lock cannot be acquired, that will almost certainly - * cause a data race / undefined behavior. - */ -#if defined(__GNUC__) -# define GIT_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) -#else -# define GIT_WARN_UNUSED_RESULT -#endif - -#include <assert.h> -#include <errno.h> -#include <limits.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> - -#include <sys/types.h> -#include <sys/stat.h> - -#ifdef GIT_WIN32 - -# include <io.h> -# include <direct.h> -# include <winsock2.h> -# include <windows.h> -# include <ws2tcpip.h> -# include "win32/msvc-compat.h" -# include "win32/mingw-compat.h" -# include "win32/w32_common.h" -# include "win32/win32-compat.h" -# include "win32/error.h" -# include "win32/version.h" -# ifdef GIT_THREADS -# include "win32/thread.h" -# endif - -#else - -# include <unistd.h> -# include <strings.h> -# ifdef GIT_THREADS -# include <pthread.h> -# include <sched.h> -# endif - -#define GIT_LIBGIT2_CALL -#define GIT_SYSTEM_CALL - -#ifdef GIT_USE_STAT_ATIMESPEC -# define st_atim st_atimespec -# define st_ctim st_ctimespec -# define st_mtim st_mtimespec -#endif - -# include <arpa/inet.h> - -#endif - -#include "git2/types.h" -#include "git2/errors.h" -#include "errors.h" -#include "thread.h" -#include "integer.h" -#include "assert_safe.h" -#include "utf8.h" - -/* - * Include the declarations for deprecated functions; this ensures - * that they're decorated with the proper extern/visibility attributes. - */ -#include "git2/deprecated.h" - -#include "posix.h" - -#define DEFAULT_BUFSIZE 65536 -#define FILEIO_BUFSIZE DEFAULT_BUFSIZE -#define FILTERIO_BUFSIZE DEFAULT_BUFSIZE -#define NETIO_BUFSIZE DEFAULT_BUFSIZE - -/** - * Check a pointer allocation result, returning -1 if it failed. - */ -#define GIT_ERROR_CHECK_ALLOC(ptr) if (ptr == NULL) { return -1; } - -/** - * Check a buffer allocation result, returning -1 if it failed. - */ -#define GIT_ERROR_CHECK_ALLOC_BUF(buf) if ((void *)(buf) == NULL || git_buf_oom(buf)) { return -1; } - -/** - * Check a return value and propagate result if non-zero. - */ -#define GIT_ERROR_CHECK_ERROR(code) \ - do { int _err = (code); if (_err) return _err; } while (0) - -/** - * Check a versioned structure for validity - */ -GIT_INLINE(int) git_error__check_version(const void *structure, unsigned int expected_max, const char *name) -{ - unsigned int actual; - - if (!structure) - return 0; - - actual = *(const unsigned int*)structure; - if (actual > 0 && actual <= expected_max) - return 0; - - git_error_set(GIT_ERROR_INVALID, "invalid version %d on %s", actual, name); - return -1; -} -#define GIT_ERROR_CHECK_VERSION(S,V,N) if (git_error__check_version(S,V,N) < 0) return -1 - -/** - * Initialize a structure with a version. - */ -GIT_INLINE(void) git__init_structure(void *structure, size_t len, unsigned int version) -{ - memset(structure, 0, len); - *((int*)structure) = version; -} -#define GIT_INIT_STRUCTURE(S,V) git__init_structure(S, sizeof(*S), V) - -#define GIT_INIT_STRUCTURE_FROM_TEMPLATE(PTR,VERSION,TYPE,TPL) do { \ - TYPE _tmpl = TPL; \ - GIT_ERROR_CHECK_VERSION(&(VERSION), _tmpl.version, #TYPE); \ - memcpy((PTR), &_tmpl, sizeof(_tmpl)); } while (0) - - -/** Check for additive overflow, setting an error if would occur. */ -#define GIT_ADD_SIZET_OVERFLOW(out, one, two) \ - (git__add_sizet_overflow(out, one, two) ? (git_error_set_oom(), 1) : 0) - -/** Check for additive overflow, setting an error if would occur. */ -#define GIT_MULTIPLY_SIZET_OVERFLOW(out, nelem, elsize) \ - (git__multiply_sizet_overflow(out, nelem, elsize) ? (git_error_set_oom(), 1) : 0) - -/** Check for additive overflow, failing if it would occur. */ -#define GIT_ERROR_CHECK_ALLOC_ADD(out, one, two) \ - if (GIT_ADD_SIZET_OVERFLOW(out, one, two)) { return -1; } - -#define GIT_ERROR_CHECK_ALLOC_ADD3(out, one, two, three) \ - if (GIT_ADD_SIZET_OVERFLOW(out, one, two) || \ - GIT_ADD_SIZET_OVERFLOW(out, *(out), three)) { return -1; } - -#define GIT_ERROR_CHECK_ALLOC_ADD4(out, one, two, three, four) \ - if (GIT_ADD_SIZET_OVERFLOW(out, one, two) || \ - GIT_ADD_SIZET_OVERFLOW(out, *(out), three) || \ - GIT_ADD_SIZET_OVERFLOW(out, *(out), four)) { return -1; } - -#define GIT_ERROR_CHECK_ALLOC_ADD5(out, one, two, three, four, five) \ - if (GIT_ADD_SIZET_OVERFLOW(out, one, two) || \ - GIT_ADD_SIZET_OVERFLOW(out, *(out), three) || \ - GIT_ADD_SIZET_OVERFLOW(out, *(out), four) || \ - GIT_ADD_SIZET_OVERFLOW(out, *(out), five)) { return -1; } - -/** Check for multiplicative overflow, failing if it would occur. */ -#define GIT_ERROR_CHECK_ALLOC_MULTIPLY(out, nelem, elsize) \ - if (GIT_MULTIPLY_SIZET_OVERFLOW(out, nelem, elsize)) { return -1; } - -/* NOTE: other git_error functions are in the public errors.h header file */ - -#include "util.h" - -#endif |