X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=lib%2Fdirent.in.h;fp=lib%2Fdirent.in.h;h=cdbc5fd4fd043258028427712468923a1b5ed92e;hb=dc84183747ce1703eb99685b5dbde1f65a143c06;hp=4b02cfbcf6a1c88eab37eae9a41e714ff29ae111;hpb=a2016c1de6e4884f6c8ed5cc498f3bf821c25ca4;p=debian%2Fgzip diff --git a/lib/dirent.in.h b/lib/dirent.in.h index 4b02cfb..cdbc5fd 100644 --- a/lib/dirent.in.h +++ b/lib/dirent.in.h @@ -1,5 +1,5 @@ /* A GNU-like . - Copyright (C) 2006-2010 Free Software Foundation, Inc. + Copyright (C) 2006-2012 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 @@ -14,75 +14,195 @@ You should have received a copy of the GNU General Public License along with this program. If not, see . */ -#ifndef _GL_DIRENT_H +#ifndef _@GUARD_PREFIX@_DIRENT_H #if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ #endif +@PRAGMA_COLUMNS@ /* The include_next requires a split double-inclusion guard. */ -#@INCLUDE_NEXT@ @NEXT_DIRENT_H@ +#if @HAVE_DIRENT_H@ +# @INCLUDE_NEXT@ @NEXT_DIRENT_H@ +#endif -#ifndef _GL_DIRENT_H -#define _GL_DIRENT_H +#ifndef _@GUARD_PREFIX@_DIRENT_H +#define _@GUARD_PREFIX@_DIRENT_H /* Get ino_t. Needed on some systems, including glibc 2.8. */ #include -/* The definition of GL_LINK_WARNING is copied here. */ +#if !@HAVE_DIRENT_H@ +/* 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. */ /* The definition of _GL_ARG_NONNULL is copied here. */ +/* The definition of _GL_WARN_ON_USE is copied here. */ -#ifdef __cplusplus -extern "C" { -#endif /* Declare overridden functions. */ -#if @REPLACE_CLOSEDIR@ -# define closedir rpl_closedir -extern int closedir (DIR *) _GL_ARG_NONNULL ((1)); +#if @GNULIB_OPENDIR@ +# if @REPLACE_OPENDIR@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef opendir +# define opendir rpl_opendir +# 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 !@HAVE_OPENDIR@ +_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 @GNULIB_READDIR@ +# if !@HAVE_READDIR@ +_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 @GNULIB_REWINDDIR@ +# if !@HAVE_REWINDDIR@ +_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 @GNULIB_CLOSEDIR@ +# if @REPLACE_CLOSEDIR@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef closedir +# define closedir rpl_closedir +# endif +_GL_FUNCDECL_RPL (closedir, int, (DIR *dirp) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (closedir, int, (DIR *dirp)); +# else +# if !@HAVE_CLOSEDIR@ +_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 @GNULIB_DIRFD@ -# if !@HAVE_DECL_DIRFD@ && !defined dirfd /* Return the file descriptor associated with the given directory stream, or -1 if none exists. */ -extern int dirfd (DIR *dir) _GL_ARG_NONNULL ((1)); +# if @REPLACE_DIRFD@ +# 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 *)); +# 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 !(@HAVE_DECL_DIRFD@ || 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 -# define dirfd(d) \ - (GL_LINK_WARNING ("dirfd is unportable - " \ - "use gnulib module dirfd for portability"), \ - dirfd (d)) +# if HAVE_RAW_DECL_DIRFD +_GL_WARN_ON_USE (dirfd, "dirfd is unportable - " + "use gnulib module dirfd for portability"); +# endif #endif #if @GNULIB_FDOPENDIR@ -# if @REPLACE_FDOPENDIR@ -# undef fdopendir -# define fdopendir rpl_fdopendir -# endif -# if !@HAVE_FDOPENDIR@ || @REPLACE_FDOPENDIR@ /* 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). */ -extern DIR *fdopendir (int fd); +# if @REPLACE_FDOPENDIR@ +# 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 !@HAVE_FDOPENDIR@ || !@HAVE_DECL_FDOPENDIR@ +_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 -# define fdopendir(f) \ - (GL_LINK_WARNING ("fdopendir is unportable - " \ - "use gnulib module fdopendir for portability"), \ - fdopendir (f)) -#endif - -#if @REPLACE_OPENDIR@ -# define opendir rpl_opendir -extern DIR * opendir (const char *) _GL_ARG_NONNULL ((1)); +# if HAVE_RAW_DECL_FDOPENDIR +_GL_WARN_ON_USE (fdopendir, "fdopendir is unportable - " + "use gnulib module fdopendir for portability"); +# endif #endif #if @GNULIB_SCANDIR@ @@ -91,37 +211,48 @@ extern DIR * opendir (const char *) _GL_ARG_NONNULL ((1)); 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 !@HAVE_SCANDIR@ -extern int scandir (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)); +_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 -# define scandir(d,n,f,c) \ - (GL_LINK_WARNING ("scandir is unportable - " \ - "use gnulib module scandir for portability"), \ - scandir (d, n, f, c)) +# if HAVE_RAW_DECL_SCANDIR +_GL_WARN_ON_USE (scandir, "scandir is unportable - " + "use gnulib module scandir for portability"); +# endif #endif #if @GNULIB_ALPHASORT@ /* Compare two 'struct dirent' entries alphabetically. */ # if !@HAVE_ALPHASORT@ -extern int alphasort (const struct dirent **, const struct dirent **) - _GL_ARG_NONNULL ((1, 2)); +_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 -# define alphasort(a,b) \ - (GL_LINK_WARNING ("alphasort is unportable - " \ - "use gnulib module alphasort for portability"), \ - alphasort (a, b)) -#endif - -#ifdef __cplusplus -} +# if HAVE_RAW_DECL_ALPHASORT +_GL_WARN_ON_USE (alphasort, "alphasort is unportable - " + "use gnulib module alphasort for portability"); +# endif #endif -#endif /* _GL_DIRENT_H */ -#endif /* _GL_DIRENT_H */ +#endif /* _@GUARD_PREFIX@_DIRENT_H */ +#endif /* _@GUARD_PREFIX@_DIRENT_H */