/* DO NOT EDIT! GENERATED AUTOMATICALLY! */ /* A GNU-like . Copyright (C) 2006-2016 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 (at your option) 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 . */ #ifndef _GL_M4_DIRENT_H #if __GNUC__ >= 3 #pragma GCC system_header #endif /* The include_next requires a split double-inclusion guard. */ #if 1 # include_next #endif #ifndef _GL_M4_DIRENT_H #define _GL_M4_DIRENT_H /* Get ino_t. Needed on some systems, including glibc 2.8. */ #include #if !1 /* Define types DIR and 'struct dirent'. */ # if !GNULIB_defined_struct_dirent struct dirent { char d_type; char d_name[1]; }; /* Possible values for 'd_type'. */ # define DT_UNKNOWN 0 # define DT_FIFO 1 /* FIFO */ # define DT_CHR 2 /* character device */ # define DT_DIR 4 /* directory */ # define DT_BLK 6 /* block device */ # define DT_REG 8 /* regular file */ # define DT_LNK 10 /* symbolic link */ # define DT_SOCK 12 /* socket */ # define DT_WHT 14 /* whiteout */ typedef struct gl_directory DIR; # define GNULIB_defined_struct_dirent 1 # endif #endif /* The __attribute__ feature is available in gcc versions 2.5 and later. The attribute __pure__ was added in gcc 2.96. */ #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) #else # define _GL_ATTRIBUTE_PURE /* empty */ #endif /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ #ifndef _GL_CXXDEFS_H #define _GL_CXXDEFS_H /* Begin/end the GNULIB_NAMESPACE namespace. */ #if defined __cplusplus && defined GNULIB_NAMESPACE # define _GL_BEGIN_NAMESPACE namespace GNULIB_NAMESPACE { # define _GL_END_NAMESPACE } #else # define _GL_BEGIN_NAMESPACE # define _GL_END_NAMESPACE #endif /* The three most frequent use cases of these macros are: * For providing a substitute for a function that is missing on some platforms, but is declared and works fine on the platforms on which it exists: #if @GNULIB_FOO@ # if !@HAVE_FOO@ _GL_FUNCDECL_SYS (foo, ...); # endif _GL_CXXALIAS_SYS (foo, ...); _GL_CXXALIASWARN (foo); #elif defined GNULIB_POSIXCHECK ... #endif * For providing a replacement for a function that exists on all platforms, but is broken/insufficient and needs to be replaced on some platforms: #if @GNULIB_FOO@ # if @REPLACE_FOO@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef foo # define foo rpl_foo # endif _GL_FUNCDECL_RPL (foo, ...); _GL_CXXALIAS_RPL (foo, ...); # else _GL_CXXALIAS_SYS (foo, ...); # endif _GL_CXXALIASWARN (foo); #elif defined GNULIB_POSIXCHECK ... #endif * For providing a replacement for a function that exists on some platforms but is broken/insufficient and needs to be replaced on some of them and is additionally either missing or undeclared on some other platforms: #if @GNULIB_FOO@ # if @REPLACE_FOO@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef foo # define foo rpl_foo # endif _GL_FUNCDECL_RPL (foo, ...); _GL_CXXALIAS_RPL (foo, ...); # else # if !@HAVE_FOO@ or if !@HAVE_DECL_FOO@ _GL_FUNCDECL_SYS (foo, ...); # endif _GL_CXXALIAS_SYS (foo, ...); # endif _GL_CXXALIASWARN (foo); #elif defined GNULIB_POSIXCHECK ... #endif */ /* _GL_EXTERN_C declaration; performs the declaration with C linkage. */ #if defined __cplusplus # define _GL_EXTERN_C extern "C" #else # define _GL_EXTERN_C extern #endif /* _GL_FUNCDECL_RPL (func, rettype, parameters_and_attributes); declares a replacement function, named rpl_func, with the given prototype, consisting of return type, parameters, and attributes. Example: _GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...) _GL_ARG_NONNULL ((1))); */ #define _GL_FUNCDECL_RPL(func,rettype,parameters_and_attributes) \ _GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes) #define _GL_FUNCDECL_RPL_1(rpl_func,rettype,parameters_and_attributes) \ _GL_EXTERN_C rettype rpl_func parameters_and_attributes /* _GL_FUNCDECL_SYS (func, rettype, parameters_and_attributes); declares the system function, named func, with the given prototype, consisting of return type, parameters, and attributes. Example: _GL_FUNCDECL_SYS (open, int, (const char *filename, int flags, ...) _GL_ARG_NONNULL ((1))); */ #define _GL_FUNCDECL_SYS(func,rettype,parameters_and_attributes) \ _GL_EXTERN_C rettype func parameters_and_attributes /* _GL_CXXALIAS_RPL (func, rettype, parameters); declares a C++ alias called GNULIB_NAMESPACE::func that redirects to rpl_func, if GNULIB_NAMESPACE is defined. Example: _GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...)); Wrapping rpl_func in an object with an inline conversion operator avoids a reference to rpl_func unless GNULIB_NAMESPACE::func is actually used in the program. */ #define _GL_CXXALIAS_RPL(func,rettype,parameters) \ _GL_CXXALIAS_RPL_1 (func, rpl_##func, rettype, parameters) #if defined __cplusplus && defined GNULIB_NAMESPACE # define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \ namespace GNULIB_NAMESPACE \ { \ static const struct _gl_ ## func ## _wrapper \ { \ typedef rettype (*type) parameters; \ \ inline operator type () const \ { \ return ::rpl_func; \ } \ } func = {}; \ } \ _GL_EXTERN_C int _gl_cxxalias_dummy #else # define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \ _GL_EXTERN_C int _gl_cxxalias_dummy #endif /* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters); is like _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters); except that the C function rpl_func may have a slightly different declaration. A cast is used to silence the "invalid conversion" error that would otherwise occur. */ #if defined __cplusplus && defined GNULIB_NAMESPACE # define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \ namespace GNULIB_NAMESPACE \ { \ static const struct _gl_ ## func ## _wrapper \ { \ typedef rettype (*type) parameters; \ \ inline operator type () const \ { \ return reinterpret_cast(::rpl_func); \ } \ } func = {}; \ } \ _GL_EXTERN_C int _gl_cxxalias_dummy #else # define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \ _GL_EXTERN_C int _gl_cxxalias_dummy #endif /* _GL_CXXALIAS_SYS (func, rettype, parameters); declares a C++ alias called GNULIB_NAMESPACE::func that redirects to the system provided function func, if GNULIB_NAMESPACE is defined. Example: _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...)); Wrapping func in an object with an inline conversion operator avoids a reference to func unless GNULIB_NAMESPACE::func is actually used in the program. */ #if defined __cplusplus && defined GNULIB_NAMESPACE # define _GL_CXXALIAS_SYS(func,rettype,parameters) \ namespace GNULIB_NAMESPACE \ { \ static const struct _gl_ ## func ## _wrapper \ { \ typedef rettype (*type) parameters; \ \ inline operator type () const \ { \ return ::func; \ } \ } func = {}; \ } \ _GL_EXTERN_C int _gl_cxxalias_dummy #else # define _GL_CXXALIAS_SYS(func,rettype,parameters) \ _GL_EXTERN_C int _gl_cxxalias_dummy #endif /* _GL_CXXALIAS_SYS_CAST (func, rettype, parameters); is like _GL_CXXALIAS_SYS (func, rettype, parameters); except that the C function func may have a slightly different declaration. A cast is used to silence the "invalid conversion" error that would otherwise occur. */ #if defined __cplusplus && defined GNULIB_NAMESPACE # define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \ namespace GNULIB_NAMESPACE \ { \ static const struct _gl_ ## func ## _wrapper \ { \ typedef rettype (*type) parameters; \ \ inline operator type () const \ { \ return reinterpret_cast(::func); \ } \ } func = {}; \ } \ _GL_EXTERN_C int _gl_cxxalias_dummy #else # define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \ _GL_EXTERN_C int _gl_cxxalias_dummy #endif /* _GL_CXXALIAS_SYS_CAST2 (func, rettype, parameters, rettype2, parameters2); is like _GL_CXXALIAS_SYS (func, rettype, parameters); except that the C function is picked among a set of overloaded functions, namely the one with rettype2 and parameters2. Two consecutive casts are used to silence the "cannot find a match" and "invalid conversion" errors that would otherwise occur. */ #if defined __cplusplus && defined GNULIB_NAMESPACE /* The outer cast must be a reinterpret_cast. The inner cast: When the function is defined as a set of overloaded functions, it works as a static_cast<>, choosing the designated variant. When the function is defined as a single variant, it works as a reinterpret_cast<>. The parenthesized cast syntax works both ways. */ # define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \ namespace GNULIB_NAMESPACE \ { \ static const struct _gl_ ## func ## _wrapper \ { \ typedef rettype (*type) parameters; \ \ inline operator type () const \ { \ return reinterpret_cast((rettype2 (*) parameters2)(::func)); \ } \ } func = {}; \ } \ _GL_EXTERN_C int _gl_cxxalias_dummy #else # define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \ _GL_EXTERN_C int _gl_cxxalias_dummy #endif /* _GL_CXXALIASWARN (func); causes a warning to be emitted when ::func is used but not when GNULIB_NAMESPACE::func is used. func must be defined without overloaded variants. */ #if defined __cplusplus && defined GNULIB_NAMESPACE # define _GL_CXXALIASWARN(func) \ _GL_CXXALIASWARN_1 (func, GNULIB_NAMESPACE) # define _GL_CXXALIASWARN_1(func,namespace) \ _GL_CXXALIASWARN_2 (func, namespace) /* To work around GCC bug , we enable the warning only when not optimizing. */ # if !__OPTIMIZE__ # define _GL_CXXALIASWARN_2(func,namespace) \ _GL_WARN_ON_USE (func, \ "The symbol ::" #func " refers to the system function. " \ "Use " #namespace "::" #func " instead.") # elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING # define _GL_CXXALIASWARN_2(func,namespace) \ extern __typeof__ (func) func # else # define _GL_CXXALIASWARN_2(func,namespace) \ _GL_EXTERN_C int _gl_cxxalias_dummy # endif #else # define _GL_CXXALIASWARN(func) \ _GL_EXTERN_C int _gl_cxxalias_dummy #endif /* _GL_CXXALIASWARN1 (func, rettype, parameters_and_attributes); causes a warning to be emitted when the given overloaded variant of ::func is used but not when GNULIB_NAMESPACE::func is used. */ #if defined __cplusplus && defined GNULIB_NAMESPACE # define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \ _GL_CXXALIASWARN1_1 (func, rettype, parameters_and_attributes, \ GNULIB_NAMESPACE) # define _GL_CXXALIASWARN1_1(func,rettype,parameters_and_attributes,namespace) \ _GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace) /* To work around GCC bug , we enable the warning only when not optimizing. */ # if !__OPTIMIZE__ # define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ _GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \ "The symbol ::" #func " refers to the system function. " \ "Use " #namespace "::" #func " instead.") # elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING # define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ extern __typeof__ (func) func # else # define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ _GL_EXTERN_C int _gl_cxxalias_dummy # endif #else # define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \ _GL_EXTERN_C int _gl_cxxalias_dummy #endif #endif /* _GL_CXXDEFS_H */ /* The definition of _GL_ARG_NONNULL is copied here. */ /* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools that the values passed as arguments n, ..., m must be non-NULL pointers. n = 1 stands for the first argument, n = 2 for the second argument etc. */ #ifndef _GL_ARG_NONNULL # if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3 # define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params)) # else # define _GL_ARG_NONNULL(params) # endif #endif /* The definition of _GL_WARN_ON_USE is copied here. */ #ifndef _GL_WARN_ON_USE # if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) /* A compiler attribute is available in gcc versions 4.3.0 and later. */ # define _GL_WARN_ON_USE(function, message) \ extern __typeof__ (function) function __attribute__ ((__warning__ (message))) # elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING /* Verify the existence of the function. */ # define _GL_WARN_ON_USE(function, message) \ extern __typeof__ (function) function # else /* Unsupported. */ # define _GL_WARN_ON_USE(function, message) \ _GL_WARN_EXTERN_C int _gl_warn_on_use # endif #endif /* _GL_WARN_ON_USE_CXX (function, rettype, parameters_and_attributes, "string") is like _GL_WARN_ON_USE (function, "string"), except that the function is declared with the given prototype, consisting of return type, parameters, and attributes. This variant is useful for overloaded functions in C++. _GL_WARN_ON_USE does not work in this case. */ #ifndef _GL_WARN_ON_USE_CXX # if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) # define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ extern rettype function parameters_and_attributes \ __attribute__ ((__warning__ (msg))) # elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING /* Verify the existence of the function. */ # define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ extern rettype function parameters_and_attributes # else /* Unsupported. */ # define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ _GL_WARN_EXTERN_C int _gl_warn_on_use # endif #endif /* _GL_WARN_EXTERN_C declaration; performs the declaration with C linkage. */ #ifndef _GL_WARN_EXTERN_C # if defined __cplusplus # define _GL_WARN_EXTERN_C extern "C" # else # define _GL_WARN_EXTERN_C extern # endif #endif /* Declare overridden functions. */ #if IN_M4_GNULIB_TESTS # if 0 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef opendir # define opendir rpl_opendir # define GNULIB_defined_opendir 1 # endif _GL_FUNCDECL_RPL (opendir, DIR *, (const char *dir_name) _GL_ARG_NONNULL ((1))); _GL_CXXALIAS_RPL (opendir, DIR *, (const char *dir_name)); # else # if !1 _GL_FUNCDECL_SYS (opendir, DIR *, (const char *dir_name) _GL_ARG_NONNULL ((1))); # endif _GL_CXXALIAS_SYS (opendir, DIR *, (const char *dir_name)); # endif _GL_CXXALIASWARN (opendir); #elif defined GNULIB_POSIXCHECK # undef opendir # if HAVE_RAW_DECL_OPENDIR _GL_WARN_ON_USE (opendir, "opendir is not portable - " "use gnulib module opendir for portability"); # endif #endif #if IN_M4_GNULIB_TESTS # if !1 _GL_FUNCDECL_SYS (readdir, struct dirent *, (DIR *dirp) _GL_ARG_NONNULL ((1))); # endif _GL_CXXALIAS_SYS (readdir, struct dirent *, (DIR *dirp)); _GL_CXXALIASWARN (readdir); #elif defined GNULIB_POSIXCHECK # undef readdir # if HAVE_RAW_DECL_READDIR _GL_WARN_ON_USE (readdir, "readdir is not portable - " "use gnulib module readdir for portability"); # endif #endif #if 0 # if !1 _GL_FUNCDECL_SYS (rewinddir, void, (DIR *dirp) _GL_ARG_NONNULL ((1))); # endif _GL_CXXALIAS_SYS (rewinddir, void, (DIR *dirp)); _GL_CXXALIASWARN (rewinddir); #elif defined GNULIB_POSIXCHECK # undef rewinddir # if HAVE_RAW_DECL_REWINDDIR _GL_WARN_ON_USE (rewinddir, "rewinddir is not portable - " "use gnulib module rewinddir for portability"); # endif #endif #if IN_M4_GNULIB_TESTS # if 0 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef closedir # define closedir rpl_closedir # define GNULIB_defined_closedir 1 # endif _GL_FUNCDECL_RPL (closedir, int, (DIR *dirp) _GL_ARG_NONNULL ((1))); _GL_CXXALIAS_RPL (closedir, int, (DIR *dirp)); # else # if !1 _GL_FUNCDECL_SYS (closedir, int, (DIR *dirp) _GL_ARG_NONNULL ((1))); # endif _GL_CXXALIAS_SYS (closedir, int, (DIR *dirp)); # endif _GL_CXXALIASWARN (closedir); #elif defined GNULIB_POSIXCHECK # undef closedir # if HAVE_RAW_DECL_CLOSEDIR _GL_WARN_ON_USE (closedir, "closedir is not portable - " "use gnulib module closedir for portability"); # endif #endif #if IN_M4_GNULIB_TESTS /* Return the file descriptor associated with the given directory stream, or -1 if none exists. */ # if 0 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef dirfd # define dirfd rpl_dirfd # endif _GL_FUNCDECL_RPL (dirfd, int, (DIR *) _GL_ARG_NONNULL ((1))); _GL_CXXALIAS_RPL (dirfd, int, (DIR *)); # ifdef __KLIBC__ /* Gnulib internal hooks needed to maintain the dirfd metadata. */ _GL_EXTERN_C int _gl_register_dirp_fd (int fd, DIR *dirp) _GL_ARG_NONNULL ((2)); _GL_EXTERN_C void _gl_unregister_dirp_fd (int fd); # endif # else # if defined __cplusplus && defined GNULIB_NAMESPACE && defined dirfd /* dirfd is defined as a macro and not as a function. Turn it into a function and get rid of the macro. */ static inline int (dirfd) (DIR *dp) { return dirfd (dp); } # undef dirfd # endif # if !(1 || defined dirfd) _GL_FUNCDECL_SYS (dirfd, int, (DIR *) _GL_ARG_NONNULL ((1))); # endif _GL_CXXALIAS_SYS (dirfd, int, (DIR *)); # endif _GL_CXXALIASWARN (dirfd); #elif defined GNULIB_POSIXCHECK # undef dirfd # if HAVE_RAW_DECL_DIRFD _GL_WARN_ON_USE (dirfd, "dirfd is unportable - " "use gnulib module dirfd for portability"); # endif #endif #if 0 /* Open a directory stream visiting the given directory file descriptor. Return NULL and set errno if fd is not visiting a directory. On success, this function consumes fd (it will be implicitly closed either by this function or by a subsequent closedir). */ # if 0 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef fdopendir # define fdopendir rpl_fdopendir # endif _GL_FUNCDECL_RPL (fdopendir, DIR *, (int fd)); _GL_CXXALIAS_RPL (fdopendir, DIR *, (int fd)); # else # if !1 || !1 _GL_FUNCDECL_SYS (fdopendir, DIR *, (int fd)); # endif _GL_CXXALIAS_SYS (fdopendir, DIR *, (int fd)); # endif _GL_CXXALIASWARN (fdopendir); #elif defined GNULIB_POSIXCHECK # undef fdopendir # if HAVE_RAW_DECL_FDOPENDIR _GL_WARN_ON_USE (fdopendir, "fdopendir is unportable - " "use gnulib module fdopendir for portability"); # endif #endif #if 0 /* Scan the directory DIR, calling FILTER on each directory entry. Entries for which FILTER returns nonzero are individually malloc'd, sorted using qsort with CMP, and collected in a malloc'd array in *NAMELIST. Returns the number of entries selected, or -1 on error. */ # if !1 _GL_FUNCDECL_SYS (scandir, int, (const char *dir, struct dirent ***namelist, int (*filter) (const struct dirent *), int (*cmp) (const struct dirent **, const struct dirent **)) _GL_ARG_NONNULL ((1, 2, 4))); # endif /* Need to cast, because on glibc systems, the fourth parameter is int (*cmp) (const void *, const void *). */ _GL_CXXALIAS_SYS_CAST (scandir, int, (const char *dir, struct dirent ***namelist, int (*filter) (const struct dirent *), int (*cmp) (const struct dirent **, const struct dirent **))); _GL_CXXALIASWARN (scandir); #elif defined GNULIB_POSIXCHECK # undef scandir # if HAVE_RAW_DECL_SCANDIR _GL_WARN_ON_USE (scandir, "scandir is unportable - " "use gnulib module scandir for portability"); # endif #endif #if 0 /* Compare two 'struct dirent' entries alphabetically. */ # if !1 _GL_FUNCDECL_SYS (alphasort, int, (const struct dirent **, const struct dirent **) _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1, 2))); # endif /* Need to cast, because on glibc systems, the parameters are (const void *, const void *). */ _GL_CXXALIAS_SYS_CAST (alphasort, int, (const struct dirent **, const struct dirent **)); _GL_CXXALIASWARN (alphasort); #elif defined GNULIB_POSIXCHECK # undef alphasort # if HAVE_RAW_DECL_ALPHASORT _GL_WARN_ON_USE (alphasort, "alphasort is unportable - " "use gnulib module alphasort for portability"); # endif #endif #endif /* _GL_M4_DIRENT_H */ #endif /* _GL_M4_DIRENT_H */