/* Copyright (c) 1993 Stephen F. White */

#ifndef STRING_H
#define STRING_H

typedef struct String {
  int len;                      /* length of string */
  int mem;                      /* memory allocated */
  int ref;                      /* reference count */
  char *str;                    /* string itself */
} String;

#ifdef INLINE
#define string_free(S) if (!--(S)->ref) { FREE(S); }
#define string_dup(S) ((S)->ref++, (S))
#else /* !INLINE */
void string_free (String * s);
String *string_dup (String * s);
#endif /* !INLINE */

extern String *string_new (int len);
extern String *string_cpy (const char *s);
extern String *string_ncpy (const char *s, int len);
extern String *string_cat (String * str, const char *s);
extern String *string_catc (String * str, char c);
extern String *string_catnum (String * str, int n);
extern String *string_indent_cat (String * str, int indent, const char *s);
extern String *string_backslash (String * str, const char *s);
extern String *string_pad (String * str, int padlen, char tok);
extern String *string_prepad (String * str, int padlen, char tok);
extern String *string_strip_cr (String * str);

#endif /* !STRING_H */