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/*
 * File:   sstring.h
 * Author: olaf
 *
 * Created on 17. Juni 2010, 13:26
 */

#ifndef _SSTRING_H
#define	_SSTRING_H

#include "mempool.h"

#define S(s) { s, sizeof(s)-1 }
#define ST(s) sstrn(s, sizeof(s)-1)

#ifdef	__cplusplus
extern "C" {
#endif

typedef struct sstring {
    char   *ptr;
    size_t length;
} sstr_t;

/*
 * creates a new sstr_t from a null terminated string
 *
 * s  null terminated string
 */
sstr_t sstr (char *s);

/*
 * creates a new sstr_t from a string and length
 *
 * s  string
 * n  length of string
 */
sstr_t sstrn (char *s, size_t n);


/*
 * gets the length of n sstr_t strings
 *
 * n    number of strings
 * s    string
 * ...  strings
 */
size_t sstrnlen (size_t n, sstr_t s, ...);


/*
 * concatenates n strings
 *
 * n    number of strings
 * s    new string with enough memory allocated
 * ...  strings
 */
sstr_t sstrncat (size_t n, sstr_t s, sstr_t c1, ...);


/*
 *
 */
sstr_t sstrsubs (sstr_t s, size_t start);

/*
 *
 */
sstr_t sstrsubsl (sstr_t s, size_t start, size_t end);


int sstrcmp(sstr_t s1, sstr_t s2);

sstr_t sstrdub(sstr_t s);
sstr_t sstrdup(sstr_t s);

sstr_t sstrtrim(sstr_t string);
sstr_t sstrdup_mp(UcxMempool *mp, sstr_t s);

#ifdef	__cplusplus
}
#endif

#endif	/* _SSTRING_H */