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/*
* Functions for handling with fixed size strings
*/
#ifndef FSTRING_H
#define FSTRING_H
#include "config.h"
#include "mem_pool.h"
#define update_buf_size(x) (x)->free = (x)->buf->size - ((x)->pos - (x)->buf->begin); (x)->buf->len = (x)->pos - (x)->buf->begin
typedef struct f_str_s {
char *begin;
size_t len;
size_t size;
} f_str_t;
typedef struct f_str_buf_s {
f_str_t *buf;
char *pos;
size_t free;
} f_str_buf_t;
typedef struct f_tok_s {
f_str_t word;
size_t pos;
} f_tok_t;
/*
* Search first occurence of character in string
*/
ssize_t fstrchr (f_str_t *src, char c);
/*
* Search last occurence of character in string
*/
ssize_t fstrrchr (f_str_t *src, char c);
/*
* Search for pattern in orig
*/
ssize_t fstrstr (f_str_t *orig, f_str_t *pattern);
/*
* Split string by tokens
* word contains parsed word
*/
int fstrtok (f_str_t *text, const char *sep, f_tok_t *state);
/*
* Copy one string into other
*/
size_t fstrcpy (f_str_t *dest, f_str_t *src);
/*
* Concatenate two strings
*/
size_t fstrcat (f_str_t *dest, f_str_t *src);
/*
* Push one character to fstr
*/
int fstrpush (f_str_t *dest, char c);
/*
* Allocate memory for f_str_t
*/
f_str_t* fstralloc (memory_pool_t *pool, size_t len);
/*
* Truncate string to its len
*/
f_str_t* fstrtruncate (memory_pool_t *pool, f_str_t *orig);
/*
* Enlarge string to new size
*/
f_str_t* fstrgrow (memory_pool_t *pool, f_str_t *orig, size_t newlen);
/*
* Return specified character
*/
#define fstridx(str, pos) *((str)->begin + (pos))
/*
* Return fast hash value for fixed string
*/
uint32_t fstrhash (f_str_t *str);
/*
* Make copy of string to 0-terminated string
*/
char* fstrcstr (f_str_t *str, memory_pool_t *pool);
#endif
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