Allow ruby versions 3.2 and 3.4 for installation
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113
libs/libruby/ruby/internal/glob.h
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113
libs/libruby/ruby/internal/glob.h
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#ifndef RBIMPL_GLOB_H /*-*-C++-*-vi:se ft=cpp:*/
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#define RBIMPL_GLOB_H
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/**
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* @file
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* @author Ruby developers <ruby-core@ruby-lang.org>
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* @copyright This file is a part of the programming language Ruby.
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* Permission is hereby granted, to either redistribute and/or
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* modify this file, provided that the conditions mentioned in the
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* file COPYING are met. Consult the file for details.
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* @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are
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* implementation details. Don't take them as canon. They could
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* rapidly appear then vanish. The name (path) of this header file
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* is also an implementation detail. Do not expect it to persist
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* at the place it is now. Developers are free to move it anywhere
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* anytime at will.
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* @note To ruby-core: remember that this header can be possibly
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* recursively included from extension libraries written in C++.
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* Do not expect for instance `__VA_ARGS__` is always available.
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* We assume C99 for ruby itself but we don't assume languages of
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* extension libraries. They could be written in C++98.
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* @brief Declares ::rb_glob().
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*/
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#include "ruby/internal/attr/nonnull.h"
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#include "ruby/internal/dllexport.h"
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#include "ruby/internal/value.h"
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RBIMPL_SYMBOL_EXPORT_BEGIN()
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/**
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* Type of a glob callback function. Called every time glob scans a path.
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*
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* @param[in] path The path in question.
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* @param[in] arg The argument passed to rb_glob().
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* @param[in] enc Encoding of the path.
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* @retval -1 Not enough memory to do the operation.
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* @retval 0 Operation successful.
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* @retval otherwise Opaque exception state.
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* @note You can use rb_protect() to generate the return value.
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*
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* @internal
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*
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* This is a wrong design. Type of `enc` should have been `rb_encoding*`
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* instead of just `void*`. But we cannot change the API any longer.
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*
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* Though not a part of our public API, the "opaque exception state" is in fact
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* an enum ruby_tag_type. You can see the potential "otherwise" values by
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* looking at vm_core.h.
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*/
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typedef int ruby_glob_func(const char *path, VALUE arg, void *enc);
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RBIMPL_ATTR_NONNULL(())
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/**
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* The "glob" operator. Expands the given pattern against the actual local
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* filesystem, then iterates over the expanded filenames by calling the
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* callback function.
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*
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* @param[in] pattern A glob pattern.
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* @param[in] func Identical to ruby_glob_func, except it can raise
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* exceptions instead of returning opaque state.
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* @param[in] arg Extra argument passed to func.
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* @exception rb_eException Can propagate what `func` raises.
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* @note The language accepted as the pattern is not a regular
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* expression. It resembles shell's glob.
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*/
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void rb_glob(const char *pattern, void (*func)(const char *path, VALUE arg, void *enc), VALUE arg);
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RBIMPL_ATTR_NONNULL(())
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/**
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* Identical to rb_glob(), except it returns opaque exception states instead of
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* raising exceptions.
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*
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* @param[in] pattern A glob pattern.
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* @param[in] flags No, you are not allowed to use this. Just pass 0.
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* @param[in] func A callback function.
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* @param[in] arg Extra argument passed to func.
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* @return Return value of `func`.
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*
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* @internal
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*
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* This function is completely broken by design... Not only is there no sane
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* way to pass flags, but there also is no sane way to know what a return value
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* is meant to be.
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*
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* Though not a part of our public API, and @shyouhei thinks it's a failure not
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* to be a public API, the flags can be `FNM_EXTGLOB`, `FNM_DOTMATCH` etc.
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* Look at dir.c for the list.
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*
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* Though not a part of our public API, the return value is in fact an
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* enum ruby_tag_type. You can see the potential values by looking at
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* vm_core.h.
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*/
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int ruby_glob(const char *pattern, int flags, ruby_glob_func *func, VALUE arg);
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RBIMPL_ATTR_NONNULL(())
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/**
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* Identical to ruby_glob(), @shyouhei currently suspects. Historically you
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* had to call this function instead of ruby_glob() if the pattern included
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* "{x,y,...}" syntax. However since commit 0f63d961169989a7f6dcf7c0487fe29da,
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* ruby_glob() also supports that syntax. It seems as of writing these two
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* functions provide basically the same functionality in a different
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* implementation. Is this analysis right? Correct me! :FIXME:
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*
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* @param[in] pattern A glob pattern.
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* @param[in] flags No, you are not allowed to use this. Just pass 0.
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* @param[in] func A callback function.
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* @param[in] arg Extra argument passed to func.
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* @return Return value of `func`.
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*/
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int ruby_brace_glob(const char *pattern, int flags, ruby_glob_func *func, VALUE arg);
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RBIMPL_SYMBOL_EXPORT_END()
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#endif /* RBIMPL_GLOB_H */
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