shared/strbuf.h

   1 #pragma once
   2
   3 #include <stdbool.h>
   4
   5 /*
   6  * Buffer abstract data type
   7  */
   8 struct strbuf {
   9         char *bytes;
  10         unsigned size;
  11         unsigned used;
  12 };
  13
  14 void strbuf_init(struct strbuf *buf);
  15 void strbuf_release(struct strbuf *buf);
  16 void strbuf_clear(struct strbuf *buf);
  17
  18 /* Destroy buffer and return a copy as a C string */
  19 char *strbuf_steal(struct strbuf *buf);
  20
  21 /*
  22  * Return a C string owned by the buffer invalidated if the buffer is
  23  * changed).
  24  */
  25 const char *strbuf_str(struct strbuf *buf);
  26
  27 bool strbuf_pushchar(struct strbuf *buf, char ch);
  28 unsigned strbuf_pushchars(struct strbuf *buf, const char *str);
  29 void strbuf_popchar(struct strbuf *buf);
  30 void strbuf_popchars(struct strbuf *buf, unsigned n);