323 lines
9.0 KiB
C
323 lines
9.0 KiB
C
/*
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* Copyright (c) 2013 Hugh Bailey <obs.jim@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#pragma once
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#include <string.h>
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#include <stdarg.h>
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#include "c99defs.h"
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#include "bmem.h"
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/*
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* Dynamic string
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*
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* Helper struct/functions for dynamically sizing string buffers.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct strref;
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struct dstr {
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char *array;
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size_t len; /* number of characters, excluding null terminator */
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size_t capacity;
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};
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EXPORT int astrcmpi(const char *str1, const char *str2);
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EXPORT int wstrcmpi(const wchar_t *str1, const wchar_t *str2);
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EXPORT int astrcmp_n(const char *str1, const char *str2, size_t n);
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EXPORT int wstrcmp_n(const wchar_t *str1, const wchar_t *str2, size_t n);
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EXPORT int astrcmpi_n(const char *str1, const char *str2, size_t n);
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EXPORT int wstrcmpi_n(const wchar_t *str1, const wchar_t *str2, size_t n);
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EXPORT char *astrstri(const char *str, const char *find);
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EXPORT wchar_t *wstrstri(const wchar_t *str, const wchar_t *find);
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EXPORT char *strdepad(char *str);
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EXPORT wchar_t *wcsdepad(wchar_t *str);
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EXPORT char **strlist_split(const char *str, char split_ch, bool include_empty);
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EXPORT void strlist_free(char **strlist);
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static inline void dstr_init(struct dstr *dst);
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static inline void dstr_init_move(struct dstr *dst, struct dstr *src);
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static inline void dstr_init_move_array(struct dstr *dst, char *str);
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static inline void dstr_init_copy(struct dstr *dst, const char *src);
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static inline void dstr_init_copy_dstr(struct dstr *dst,
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const struct dstr *src);
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EXPORT void dstr_init_copy_strref(struct dstr *dst, const struct strref *src);
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static inline void dstr_free(struct dstr *dst);
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static inline void dstr_array_free(struct dstr *array, const size_t count);
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static inline void dstr_move(struct dstr *dst, struct dstr *src);
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static inline void dstr_move_array(struct dstr *dst, char *str);
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EXPORT void dstr_copy(struct dstr *dst, const char *array);
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static inline void dstr_copy_dstr(struct dstr *dst, const struct dstr *src);
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EXPORT void dstr_copy_strref(struct dstr *dst, const struct strref *src);
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EXPORT void dstr_ncopy(struct dstr *dst, const char *array,
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const size_t len);
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EXPORT void dstr_ncopy_dstr(struct dstr *dst, const struct dstr *src,
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const size_t len);
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static inline void dstr_resize(struct dstr *dst, const size_t num);
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static inline void dstr_reserve(struct dstr *dst, const size_t num);
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static inline bool dstr_is_empty(const struct dstr *str);
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static inline void dstr_cat(struct dstr *dst, const char *array);
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EXPORT void dstr_cat_dstr(struct dstr *dst, const struct dstr *str);
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EXPORT void dstr_cat_strref(struct dstr *dst, const struct strref *str);
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static inline void dstr_cat_ch(struct dstr *dst, char ch);
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EXPORT void dstr_ncat(struct dstr *dst, const char *array, const size_t len);
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EXPORT void dstr_ncat_dstr(struct dstr *dst, const struct dstr *str,
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const size_t len);
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EXPORT void dstr_insert(struct dstr *dst, const size_t idx,
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const char *array);
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EXPORT void dstr_insert_dstr(struct dstr *dst, const size_t idx,
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const struct dstr *str);
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EXPORT void dstr_insert_ch(struct dstr *dst, const size_t idx,
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const char ch);
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EXPORT void dstr_remove(struct dstr *dst, const size_t idx, const size_t count);
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EXPORT void dstr_printf(struct dstr *dst, const char *format, ...);
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EXPORT void dstr_catf(struct dstr *dst, const char *format, ...);
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EXPORT void dstr_vprintf(struct dstr *dst, const char *format, va_list args);
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EXPORT void dstr_vcatf(struct dstr *dst, const char *format, va_list args);
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EXPORT void dstr_safe_printf(struct dstr *dst, const char *format,
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const char *val1, const char *val2, const char *val3,
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const char *val4);
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static inline const char *dstr_find_i(const struct dstr *str,
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const char *find);
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static inline const char *dstr_find(const struct dstr *str,
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const char *find);
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EXPORT void dstr_replace(struct dstr *str, const char *find,
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const char *replace);
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static inline int dstr_cmp(const struct dstr *str1, const char *str2);
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static inline int dstr_cmpi(const struct dstr *str1, const char *str2);
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static inline int dstr_ncmp(const struct dstr *str1, const char *str2,
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const size_t n);
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static inline int dstr_ncmpi(const struct dstr *str1, const char *str2,
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const size_t n);
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EXPORT void dstr_depad(struct dstr *dst);
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EXPORT void dstr_left(struct dstr *dst, const struct dstr *str,
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const size_t pos);
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EXPORT void dstr_mid(struct dstr *dst, const struct dstr *str,
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const size_t start, const size_t count);
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EXPORT void dstr_right(struct dstr *dst, const struct dstr *str,
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const size_t pos);
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static inline char dstr_end(const struct dstr *str);
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EXPORT void dstr_from_mbs(struct dstr *dst, const char *mbstr);
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EXPORT char *dstr_to_mbs(const struct dstr *str);
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EXPORT void dstr_from_wcs(struct dstr *dst, const wchar_t *wstr);
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EXPORT wchar_t *dstr_to_wcs(const struct dstr *str);
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/* ------------------------------------------------------------------------- */
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static inline void dstr_init(struct dstr *dst)
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{
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dst->array = NULL;
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dst->len = 0;
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dst->capacity = 0;
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}
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static inline void dstr_init_move_array(struct dstr *dst, char *str)
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{
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dst->array = str;
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dst->len = (!str) ? 0 : strlen(str);
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dst->capacity = dst->len + 1;
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}
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static inline void dstr_init_move(struct dstr *dst, struct dstr *src)
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{
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*dst = *src;
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dstr_init(src);
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}
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static inline void dstr_init_copy(struct dstr *dst, const char *str)
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{
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dstr_init(dst);
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dstr_copy(dst, str);
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}
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static inline void dstr_init_copy_dstr(struct dstr *dst, const struct dstr *src)
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{
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dstr_init(dst);
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dstr_copy_dstr(dst, src);
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}
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static inline void dstr_free(struct dstr *dst)
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{
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bfree(dst->array);
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dst->array = NULL;
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dst->len = 0;
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dst->capacity = 0;
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}
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static inline void dstr_array_free(struct dstr *array, const size_t count)
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{
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size_t i;
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for (i = 0; i < count; i++)
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dstr_free(array+i);
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}
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static inline void dstr_move_array(struct dstr *dst, char *str)
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{
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dstr_free(dst);
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dst->array = str;
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dst->len = (!str) ? 0 : strlen(str);
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dst->capacity = dst->len + 1;
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}
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static inline void dstr_move(struct dstr *dst, struct dstr *src)
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{
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dstr_free(dst);
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dstr_init_move(dst, src);
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}
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static inline void dstr_ensure_capacity(struct dstr *dst, const size_t new_size)
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{
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size_t new_cap;
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if (new_size <= dst->capacity)
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return;
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new_cap = (!dst->capacity) ? new_size : dst->capacity*2;
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if (new_size > new_cap)
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new_cap = new_size;
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dst->array = (char*)brealloc(dst->array, new_cap);
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dst->capacity = new_cap;
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}
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static inline void dstr_copy_dstr(struct dstr *dst, const struct dstr *src)
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{
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if (dst->array)
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dstr_free(dst);
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dstr_ensure_capacity(dst, src->len + 1);
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memcpy(dst->array, src->array, src->len + 1);
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dst->len = src->len;
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}
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static inline void dstr_reserve(struct dstr *dst, const size_t capacity)
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{
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if (capacity == 0 || capacity <= dst->len)
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return;
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dst->array = (char*)brealloc(dst->array, capacity);
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dst->capacity = capacity;
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}
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static inline void dstr_resize(struct dstr *dst, const size_t num)
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{
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if (!num) {
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dstr_free(dst);
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return;
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}
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dstr_ensure_capacity(dst, num + 1);
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dst->array[num] = 0;
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dst->len = num;
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}
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static inline bool dstr_is_empty(const struct dstr *str)
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{
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if (!str->array || !str->len)
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return true;
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if (!*str->array)
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return true;
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return false;
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}
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static inline void dstr_cat(struct dstr *dst, const char *array)
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{
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size_t len;
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if (!array || !*array)
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return;
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len = strlen(array);
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dstr_ncat(dst, array, len);
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}
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static inline void dstr_cat_ch(struct dstr *dst, char ch)
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{
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dstr_ensure_capacity(dst, ++dst->len + 1);
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dst->array[dst->len-1] = ch;
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dst->array[dst->len] = 0;
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}
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static inline const char *dstr_find_i(const struct dstr *str, const char *find)
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{
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return astrstri(str->array, find);
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}
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static inline const char *dstr_find(const struct dstr *str, const char *find)
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{
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return strstr(str->array, find);
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}
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static inline int dstr_cmp(const struct dstr *str1, const char *str2)
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{
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return strcmp(str1->array, str2);
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}
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static inline int dstr_cmpi(const struct dstr *str1, const char *str2)
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{
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return astrcmpi(str1->array, str2);
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}
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static inline int dstr_ncmp(const struct dstr *str1, const char *str2,
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const size_t n)
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{
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return astrcmp_n(str1->array, str2, n);
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}
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static inline int dstr_ncmpi(const struct dstr *str1, const char *str2,
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const size_t n)
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{
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return astrcmpi_n(str1->array, str2, n);
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}
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static inline char dstr_end(const struct dstr *str)
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{
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if (dstr_is_empty(str))
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return 0;
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return str->array[str->len - 1];
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}
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#ifdef __cplusplus
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}
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#endif
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