Rick Barenthin
0f305ab9fd
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92 lines
4.3 KiB
C
92 lines
4.3 KiB
C
/**
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* @file str.h
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* @author rick
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* @date 19.02.20
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* @brief File for the String implementation
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*/
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#ifndef WAITUI_STR_H
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#define WAITUI_STR_H
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#include <stdlib.h>
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#include <string.h>
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// -----------------------------------------------------------------------------
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// Public types
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// -----------------------------------------------------------------------------
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/**
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* @brief Type for strings that do not need to be '\0' terminated
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*/
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typedef struct str {
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char *s;
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unsigned long int len;
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} str;
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// -----------------------------------------------------------------------------
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// Public defines
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// -----------------------------------------------------------------------------
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#define STR_NULL_INIT \
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{ NULL, 0 }
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#define STR_STATIC_INIT(_str_) \
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{ (_str_), sizeof((_str_)) - 1 }
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#define STR_FMT(_pstr_) \
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(((_pstr_) != (str *) 0) ? (int) (_pstr_)->len : 0), \
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(((_pstr_) != (str *) 0) ? (_pstr_)->s : "")
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#define STR_STATIC_SET(_pstr_, _str_) \
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do { \
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if ((_pstr_)) { \
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(_pstr_)->s = (_str_); \
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(_pstr_)->len = sizeof((_str_)) - 1; \
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} \
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} while (0)
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#define STR_STATIC_COPY(_dstr_, _str_) \
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do { \
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if ((_dstr_)) { \
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char *tmp = (_str_); \
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(_dstr_)->len = sizeof((_str_)) - 1; \
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(_dstr_)->s = calloc((_dstr_)->len, sizeof(*(_dstr_)->s)); \
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if ((_dstr_)->s) { memcpy((_dstr_)->s, tmp, (_dstr_)->len); } \
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} \
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} while (0)
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#define STR_COPY(_dstr_, _pstr_) \
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do { \
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if ((_pstr_) && (_dstr_)) { \
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(_dstr_)->len = (_pstr_)->len; \
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(_dstr_)->s = calloc((_pstr_)->len, sizeof(*(_pstr_)->s)); \
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if ((_dstr_)->s) { \
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memcpy((_dstr_)->s, (_pstr_)->s, (_dstr_)->len); \
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} \
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} \
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} while (0)
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#define STR_COPY_WITH_NUL(_dstr_, _pstr_) \
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do { \
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if ((_pstr_) && (_dstr_)) { \
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(_dstr_)->len = (_pstr_)->len; \
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(_dstr_)->s = calloc((_pstr_)->len + 1, sizeof(*(_pstr_)->s)); \
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if ((_dstr_)->s) { \
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memcpy((_dstr_)->s, (_pstr_)->s, (_dstr_)->len); \
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} \
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} \
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} while (0)
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#define STR_FREE(_pstr_) \
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do { \
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if ((_pstr_)) { \
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if ((_pstr_)->s) { free((_pstr_)->s); }; \
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(_pstr_)->len = 0; \
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(_pstr_)->s = NULL; \
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} \
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} while (0)
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#endif//WAITUI_STR_H
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