diff options
Diffstat (limited to 'gnulib/lib/getopt.in.h')
| -rw-r--r-- | gnulib/lib/getopt.in.h | 130 |
1 files changed, 80 insertions, 50 deletions
diff --git a/gnulib/lib/getopt.in.h b/gnulib/lib/getopt.in.h index d2d3e6e..d9c7d81 100644 --- a/gnulib/lib/getopt.in.h +++ b/gnulib/lib/getopt.in.h @@ -1,6 +1,6 @@ /* Declarations for getopt. - Copyright (C) 1989-1994,1996-1999,2001,2003,2004,2005,2006,2007 - Free Software Foundation, Inc. + Copyright (C) 1989-1994, 1996-1999, 2001, 2003-2007, 2009-2013 Free Software + Foundation, Inc. This file is part of the GNU C Library. This program is free software: you can redistribute it and/or modify @@ -16,24 +16,45 @@ You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#ifndef _GETOPT_H +#ifndef _@GUARD_PREFIX@_GETOPT_H + +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif +@PRAGMA_COLUMNS@ + +/* The include_next requires a split double-inclusion guard. We must + also inform the replacement unistd.h to not recursively use + <getopt.h>; our definitions will be present soon enough. */ +#if @HAVE_GETOPT_H@ +# define _GL_SYSTEM_GETOPT +# @INCLUDE_NEXT@ @NEXT_GETOPT_H@ +# undef _GL_SYSTEM_GETOPT +#endif + +#ifndef _@GUARD_PREFIX@_GETOPT_H #ifndef __need_getopt -# define _GETOPT_H 1 +# define _@GUARD_PREFIX@_GETOPT_H 1 #endif /* Standalone applications should #define __GETOPT_PREFIX to an identifier that prefixes the external functions and variables defined in this header. When this happens, include the headers that might declare getopt so that they will not cause - confusion if included after this file. Then systematically rename + confusion if included after this file (if the system had <getopt.h>, + we have already included it). Then systematically rename identifiers so that they do not collide with the system functions and variables. Renaming avoids problems with some compilers and linkers. */ #if defined __GETOPT_PREFIX && !defined __need_getopt -# include <stdlib.h> -# include <stdio.h> -# include <unistd.h> +# if !@HAVE_GETOPT_H@ +# define __need_system_stdlib_h +# include <stdlib.h> +# undef __need_system_stdlib_h +# include <stdio.h> +# include <unistd.h> +# endif # undef __need_getopt # undef getopt # undef getopt_long @@ -42,6 +63,7 @@ # undef opterr # undef optind # undef optopt +# undef option # define __GETOPT_CONCAT(x, y) x ## y # define __GETOPT_XCONCAT(x, y) __GETOPT_CONCAT (x, y) # define __GETOPT_ID(y) __GETOPT_XCONCAT (__GETOPT_PREFIX, y) @@ -52,6 +74,8 @@ # define opterr __GETOPT_ID (opterr) # define optind __GETOPT_ID (optind) # define optopt __GETOPT_ID (optopt) +# define option __GETOPT_ID (option) +# define _getopt_internal __GETOPT_ID (getopt_internal) #endif /* Standalone applications get correct prototypes for getopt_long and @@ -60,7 +84,7 @@ getopt_long_only can permute argv; this is required for backward compatibility (e.g., for LSB 2.0.1). - This used to be `#if defined __GETOPT_PREFIX && !defined __need_getopt', + This used to be '#if defined __GETOPT_PREFIX && !defined __need_getopt', but it caused redefinition warnings if both unistd.h and getopt.h were included, since unistd.h includes getopt.h having previously defined __need_getopt. @@ -94,39 +118,41 @@ # define __GNUC_PREREQ(maj, min) (0) # endif # if defined __cplusplus && __GNUC_PREREQ (2,8) -# define __THROW throw () +# define __THROW throw () # else # define __THROW # endif #endif +/* The definition of _GL_ARG_NONNULL is copied here. */ + #ifdef __cplusplus extern "C" { #endif -/* For communication from `getopt' to the caller. - When `getopt' finds an option that takes an argument, +/* For communication from 'getopt' to the caller. + When 'getopt' finds an option that takes an argument, the argument value is returned here. - Also, when `ordering' is RETURN_IN_ORDER, + Also, when 'ordering' is RETURN_IN_ORDER, each non-option ARGV-element is returned here. */ extern char *optarg; /* Index in ARGV of the next element to be scanned. This is used for communication to and from the caller - and for communication between successive calls to `getopt'. + and for communication between successive calls to 'getopt'. - On entry to `getopt', zero means this is the first call; initialize. + On entry to 'getopt', zero means this is the first call; initialize. - When `getopt' returns -1, this is the index of the first of the + When 'getopt' returns -1, this is the index of the first of the non-option elements that the caller should itself scan. - Otherwise, `optind' communicates from one call to the next + Otherwise, 'optind' communicates from one call to the next how much of ARGV has been scanned so far. */ extern int optind; -/* Callers store zero here to inhibit the error message `getopt' prints +/* Callers store zero here to inhibit the error message 'getopt' prints for unrecognized options. */ extern int opterr; @@ -138,25 +164,26 @@ extern int optopt; #ifndef __need_getopt /* Describe the long-named options requested by the application. The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector - of `struct option' terminated by an element containing a name which is + of 'struct option' terminated by an element containing a name which is zero. - The field `has_arg' is: - no_argument (or 0) if the option does not take an argument, - required_argument (or 1) if the option requires an argument, - optional_argument (or 2) if the option takes an optional argument. + The field 'has_arg' is: + no_argument (or 0) if the option does not take an argument, + required_argument (or 1) if the option requires an argument, + optional_argument (or 2) if the option takes an optional argument. - If the field `flag' is not NULL, it points to a variable that is set - to the value given in the field `val' when the option is found, but + If the field 'flag' is not NULL, it points to a variable that is set + to the value given in the field 'val' when the option is found, but left unchanged if the option is not found. - To have a long-named option do something other than set an `int' to - a compiled-in constant, such as set a value from `optarg', set the - option's `flag' field to zero and its `val' field to a nonzero + To have a long-named option do something other than set an 'int' to + a compiled-in constant, such as set a value from 'optarg', set the + option's 'flag' field to zero and its 'val' field to a nonzero value (the equivalent single-letter option character, if there is - one). For long options that have a zero `flag' field, `getopt' - returns the contents of the `val' field. */ + one). For long options that have a zero 'flag' field, 'getopt' + returns the contents of the 'val' field. */ +# if !GNULIB_defined_struct_option struct option { const char *name; @@ -166,13 +193,15 @@ struct option int *flag; int val; }; +# define GNULIB_defined_struct_option 1 +# endif -/* Names for the values of the `has_arg' field of `struct option'. */ +/* Names for the values of the 'has_arg' field of 'struct option'. */ -# define no_argument 0 -# define required_argument 1 -# define optional_argument 2 -#endif /* need getopt */ +# define no_argument 0 +# define required_argument 1 +# define optional_argument 2 +#endif /* need getopt */ /* Get definitions and prototypes for functions to process the @@ -181,37 +210,37 @@ struct option Return the option character from OPTS just read. Return -1 when there are no more options. For unrecognized options, or options - missing arguments, `optopt' is set to the option letter, and '?' is + missing arguments, 'optopt' is set to the option letter, and '?' is returned. The OPTS string is a list of characters which are recognized option letters, optionally followed by colons, specifying that that letter - takes an argument, to be placed in `optarg'. + takes an argument, to be placed in 'optarg'. If a letter in OPTS is followed by two colons, its argument is - optional. This behavior is specific to the GNU `getopt'. + optional. This behavior is specific to the GNU 'getopt'. - The argument `--' causes premature termination of argument - scanning, explicitly telling `getopt' that there are no more + The argument '--' causes premature termination of argument + scanning, explicitly telling 'getopt' that there are no more options. - If OPTS begins with `-', then non-option arguments are treated as + If OPTS begins with '-', then non-option arguments are treated as arguments to the option '\1'. This behavior is specific to the GNU - `getopt'. If OPTS begins with `+', or POSIXLY_CORRECT is set in + 'getopt'. If OPTS begins with '+', or POSIXLY_CORRECT is set in the environment, then do not permute arguments. */ extern int getopt (int ___argc, char *const *___argv, const char *__shortopts) - __THROW; + __THROW _GL_ARG_NONNULL ((2, 3)); #ifndef __need_getopt extern int getopt_long (int ___argc, char *__getopt_argv_const *___argv, - const char *__shortopts, - const struct option *__longopts, int *__longind) - __THROW; + const char *__shortopts, + const struct option *__longopts, int *__longind) + __THROW _GL_ARG_NONNULL ((2, 3)); extern int getopt_long_only (int ___argc, char *__getopt_argv_const *___argv, - const char *__shortopts, - const struct option *__longopts, int *__longind) - __THROW; + const char *__shortopts, + const struct option *__longopts, int *__longind) + __THROW _GL_ARG_NONNULL ((2, 3)); #endif @@ -222,4 +251,5 @@ extern int getopt_long_only (int ___argc, char *__getopt_argv_const *___argv, /* Make sure we later can get all the definitions and declarations. */ #undef __need_getopt -#endif /* getopt.h */ +#endif /* _@GUARD_PREFIX@_GETOPT_H */ +#endif /* _@GUARD_PREFIX@_GETOPT_H */ |