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#ifndef STRALLOC_H
#define STRALLOC_H
/*
* Revision 20210307, Erwin Hoffmann
* -
*/
#include <sys/types.h>
/* stralloc is the internal data structure all functions are working on.
* s is the string.
* len is the used length of the string.
* a is the allocated length of the string.
*/
typedef struct stralloc {
char *s;
size_t len;
size_t a;
} stralloc;
//extern int stralloc_ready(stralloc *,unsigned int);
extern int stralloc_ready(stralloc *sa, size_t len);
//extern int stralloc_readyplus(stralloc *,unsigned int);
extern int stralloc_readyplus(stralloc *sa, size_t len);
extern int stralloc_copy(stralloc *, stralloc *);
extern int stralloc_cat(stralloc *, stralloc *);
extern int stralloc_copys(stralloc *, const char *);
extern int stralloc_cats(stralloc *, const char *);
extern int stralloc_copyb(stralloc *, const char *, unsigned int);
extern int stralloc_catb(stralloc *, const char *, unsigned int);
//extern int stralloc_append(stralloc *,char *); /* beware: this takes a pointer to 1 char */
extern int stralloc_append(stralloc *sa, const char *in); /* beware: this takes a pointer to 1 char */
extern int stralloc_starts(stralloc *, const char *);
#define stralloc_0(sa) stralloc_append(sa, "")
extern int stralloc_catulong0(stralloc *, unsigned long, unsigned int);
extern int stralloc_catlong0(stralloc *, long, unsigned int);
extern void stralloc_free(stralloc *);
#define stralloc_catlong(sa, l) (stralloc_catlong0((sa), (l), 0))
#define stralloc_catuint0(sa, i, n) (stralloc_catulong0((sa), (i), (n)))
#define stralloc_catint0(sa, i, n) (stralloc_catlong0((sa), (i), (n)))
#define stralloc_catint(sa, i) (stralloc_catlong0((sa), (i), 0))
#endif
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