olaf@20: /*
olaf@20:  * File:   sstring.h
olaf@20:  * Author: olaf
olaf@20:  *
olaf@20:  * Created on 17. Juni 2010, 13:26
olaf@20:  */
olaf@20: 
olaf@20: #ifndef _SSTRING_H
olaf@20: #define	_SSTRING_H
olaf@20: 
universe@69: #include "ucx.h"
universe@38: #include <stddef.h>
universe@38: 
universe@42: /* use macros for literals only */
universe@74: #define S(s) { (char*)s, sizeof(s)-1 }
universe@74: #define ST(s) sstrn((char*)s, sizeof(s)-1)
olaf@20: 
olaf@20: #ifdef	__cplusplus
olaf@20: extern "C" {
olaf@20: #endif
olaf@20: 
olaf@20: typedef struct sstring {
olaf@20:     char   *ptr;
olaf@20:     size_t length;
olaf@20: } sstr_t;
olaf@20: 
olaf@20: /*
olaf@20:  * creates a new sstr_t from a null terminated string
olaf@20:  *
olaf@20:  * s  null terminated string
olaf@20:  */
olaf@68: sstr_t sstr(char *s);
olaf@20: 
olaf@20: /*
olaf@20:  * creates a new sstr_t from a string and length
olaf@20:  *
olaf@20:  * s  string
olaf@20:  * n  length of string
olaf@20:  */
olaf@68: sstr_t sstrn(char *s, size_t n);
olaf@20: 
olaf@20: 
olaf@20: /*
olaf@20:  * gets the length of n sstr_t strings
olaf@20:  *
olaf@20:  * n    number of strings
olaf@20:  * s    string
olaf@20:  * ...  strings
olaf@20:  */
olaf@68: size_t sstrnlen(size_t n, sstr_t s, ...);
olaf@20: 
olaf@20: 
olaf@20: /*
olaf@20:  * concatenates n strings
olaf@20:  *
olaf@20:  * n    number of strings
olaf@20:  * s    new string with enough memory allocated
olaf@20:  * ...  strings
olaf@20:  */
olaf@68: sstr_t sstrncat(size_t n, sstr_t s, sstr_t c1, ...);
olaf@20: 
olaf@20: 
olaf@20: /*
olaf@20:  *
olaf@20:  */
olaf@68: sstr_t sstrsubs(sstr_t s, size_t start);
olaf@20: 
olaf@20: /*
olaf@20:  *
olaf@20:  */
olaf@68: sstr_t sstrsubsl(sstr_t s, size_t start, size_t length);
olaf@20: 
universe@39: /*
universe@39:  * splits s into n parts
universe@39:  *
universe@39:  * s    the string to split
universe@39:  * d    the delimiter string
universe@39:  * n    the maximum size of the resulting list
universe@39:  *      a size of 0 indicates an unbounded list size
universe@39:  *      the actual size of the list will be stored here
universe@39:  *
universe@39:  *      Hint: use this value to avoid dynamic reallocation of the result list
universe@39:  *
universe@39:  * Returns a list of the split strings
universe@39:  * NOTE: this list needs to be freed manually after usage
universe@39:  *
universe@39:  * Returns NULL on error
universe@39:  */
olaf@68: sstr_t* sstrsplit(sstr_t s, sstr_t d, size_t *n);
olaf@20: 
olaf@68: int sstrcmp(sstr_t s1, sstr_t s2);
olaf@20: 
olaf@68: sstr_t sstrdup(sstr_t s);
olaf@20: 
olaf@96: sstr_t sstrtrim(sstr_t string);
olaf@96: 
olaf@20: #ifdef	__cplusplus
olaf@20: }
olaf@20: #endif
olaf@20: 
olaf@20: #endif	/* _SSTRING_H */