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/*
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 * This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>.
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 * It is copyright by its individual contributors, as recorded in the
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 * project's Git history.  See COPYING.txt at the top level for license
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 * terms and a link to the Git history.
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 */
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#pragma once
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#ifdef __cplusplus
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#include <cstddef>
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#include <cstdint>
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#include <cstring>
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#include "dxxsconf.h"
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#include "dsx-ns.h"
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#include <array>
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#include <vector>
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namespace dcx {
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#if defined(macintosh)
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#define snprintf macintosh_snprintf
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extern void snprintf(char *out_string, int size, const char * format, ... );
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#endif
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#ifdef DXX_HAVE_STRCASECMP
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#define d_stricmp strcasecmp
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static inline int d_strnicmp(const char *s1, const char *s2, size_t n)
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{
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        return strncasecmp(s1, s2, n);
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}
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#else
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__attribute_nonnull()
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extern int d_stricmp( const char *s1, const char *s2 );
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__attribute_nonnull()
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int d_strnicmp(const char *s1, const char *s2, uint_fast32_t n);
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#endif
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extern void d_strlwr( char *s1 );
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extern void d_strupr( char *s1 );
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extern void d_strrev( char *s1 );
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#ifdef DEBUG_MEMORY_ALLOCATIONS
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char *d_strdup(const char *str, const char *, const char *, unsigned) __attribute_malloc();
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#define d_strdup(str)   (d_strdup(str, #str, __FILE__,__LINE__))
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#else
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#include <cstring>
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#define d_strdup strdup
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#endif
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template <std::size_t N>
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static inline int d_strnicmp(const char *s1, const char (&s2)[N])
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{
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        return d_strnicmp(s1, s2, N - 1);
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}
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struct splitpath_t
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{
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        const char *drive_start, *drive_end, *path_start, *path_end, *base_start, *base_end, *ext_start;
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};
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// remove extension from filename, doesn't work with paths.
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void removeext(const char *filename, std::array<char, 20> &out);
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//give a filename a new extension, doesn't work with paths with no extension already there
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extern void change_filename_extension( char *dest, const char *src, const char *new_ext );
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// split an MS-DOS path into drive, directory path, filename without the extension (base) and extension.
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// if it's just a filename with no directory specified, this function will get 'base' and 'ext'
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void d_splitpath(const char *name, struct splitpath_t *path);
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class string_array_t
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{
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        typedef std::vector<const char *> ptr_t;
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        std::vector<char> buffer;
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        ptr_t ptr;
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public:
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        ptr_t &pointer() { return ptr; }
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        void clear()
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        {
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                ptr.clear();
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                buffer.clear();
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        }
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        void add(const char *);
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        void tidy(std::size_t offset, int (*comp)( const char *, const char * ));
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};
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int string_array_sort_func(const void *v0, const void *v1);
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/* Compute the number of digits required to represent MaximumValue in
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 * the given Base.  The result does not account for any characters other
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 * than the required digits.
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 */
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template <std::size_t MaximumValue, std::size_t Base = 10>
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constexpr std::size_t number_to_text_length = (MaximumValue < Base) ? 1 : 1 + number_to_text_length<MaximumValue / Base, Base>;
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static_assert(number_to_text_length<1> == 1, "");
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static_assert(number_to_text_length<9> == 1, "");
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static_assert(number_to_text_length<10> == 2, "");
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static_assert(number_to_text_length<255, 16> == 2, "");
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static_assert(number_to_text_length<256, 16> == 3, "");
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}
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#endif