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gex-core/utils/str_utils.h

107 lines
2.0 KiB

//
// Simple string testing / manipulation functions, mainly used when
// building/parsing the config INI files
//
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#ifndef PLATFORSTR_UTILS_H
#define PLATFORSTR_UTILS_H
#include <stdbool.h>
#include <string.h>
#include "stringbuilder.h"
/**
* Test equality two strings
*
* @param str1
* @param str2
* @param limit
* @return
*/
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static inline bool __attribute__((const))
streq(const char *restrict str1, const char *restrict str2)
{
return strcmp(str1, str2) == 0;
}
/**
* Test equality of two strings, case insensitive
*
* @param str1
* @param str2
* @param limit
* @return
*/
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static inline bool __attribute__((const))
strcaseq(const char *restrict str1, const char *restrict str2)
{
return strcasecmp(str1, str2) == 0;
}
/**
* Test if a string starts with another
*
* @param str
* @param prefix
* @param limit
* @return
*/
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static inline bool __attribute__((const))
strneq(const char *restrict str, const char *restrict prefix, uint32_t limit)
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{
return strncmp(str, prefix, limit) == 0;
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}
/**
* Test if a string starts with another, case insensitive
*
* @param str1
* @param str2
* @return match
*/
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static inline bool __attribute__((const))
strncaseq(const char *restrict str1, const char *restrict str2, uint32_t limit)
{
return strncasecmp(str1, str2, limit) == 0;
}
/**
* Test if a string starts with another
*
* @param str
* @param prefix
* @return match
*/
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static inline bool __attribute__((const))
strstarts(const char *restrict str, const char *restrict prefix)
{
return strncmp(str, prefix, strlen(prefix)) == 0;
}
/**
* Get n-th character from the end
*
* @param str
* @param nth - n-th character (1 means last char)
* @return the char
*/
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static inline char __attribute__((const))
last_char_n(const char *str, uint32_t nth)
{
return str[strlen(str) - nth];
}
/**
* Get last character of a string
*
* @param str
* @return last char
*/
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static inline char __attribute__((const))
last_char(const char *str)
{
return str[strlen(str) - 1];
}
#endif