X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fdirent.in.h;h=e6849286b176bacaf8754946e4245e8473f1698a;hb=23737e3dd01ef6ac0ae9134300a4c66807ae00d2;hp=62b7cfb9b00eaf6cfebdd10868d733f1e4c7a57b;hpb=441aa3044f43e5572f58c354f01e6bc070acd5c7;p=gnulib.git diff --git a/lib/dirent.in.h b/lib/dirent.in.h index 62b7cfb9b..e6849286b 100644 --- a/lib/dirent.in.h +++ b/lib/dirent.in.h @@ -1,5 +1,5 @@ /* A GNU-like . - Copyright (C) 2006-2009 Free Software Foundation, Inc. + Copyright (C) 2006-2010 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 @@ -26,59 +26,81 @@ #ifndef _GL_DIRENT_H #define _GL_DIRENT_H -/* The definition of GL_LINK_WARNING is copied here. */ +/* Get ino_t. Needed on some systems, including glibc 2.8. */ +#include +/* 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 *); +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define closedir rpl_closedir +# endif +_GL_FUNCDECL_RPL (closedir, int, (DIR *) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (closedir, int, (DIR *)); +#else +_GL_CXXALIAS_SYS (closedir, int, (DIR *)); #endif +_GL_CXXALIASWARN (closedir); #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 const *dir); +_GL_EXTERN_C int dirfd (DIR *dir) _GL_ARG_NONNULL ((1)); # endif #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)) +# if HAVE_RAW_DECL_FDOPENDIR +_GL_WARN_ON_USE (fdopendir, "fdopendir is unportable - " + "use gnulib module fdopendir for portability"); +# endif #endif #if @REPLACE_OPENDIR@ -# define opendir rpl_opendir -extern DIR * opendir (const char *); +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define opendir rpl_opendir +# endif +_GL_FUNCDECL_RPL (opendir, DIR *, (const char *) _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (opendir, DIR *, (const char *)); +#else +_GL_CXXALIAS_SYS (opendir, DIR *, (const char *)); #endif +_GL_CXXALIASWARN (opendir); #if @GNULIB_SCANDIR@ /* Scan the directory DIR, calling FILTER on each directory entry. @@ -86,33 +108,45 @@ extern DIR * opendir (const char *); 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_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_FUNCDECL_SYS (alphasort, int, + (const struct dirent **, const struct dirent **) + _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