31 static int printbuf_extend(struct printbuf *p, int min_size);
35   struct printbuf *p;  in printbuf_new()  local
37   p = (struct printbuf*)calloc(1, sizeof(struct printbuf));  in printbuf_new()
38   if(!p) return NULL;  in printbuf_new()
39   p->size = 32;  in printbuf_new()
40   p->bpos = 0;  in printbuf_new()
41   if(!(p->buf = (char*)malloc(p->size))) {  in printbuf_new()
42     free(p);  in printbuf_new()
45   return p;  in printbuf_new()
57 static int printbuf_extend(struct printbuf *p, int min_size)  in printbuf_extend()  argument
62 	if (p->size >= min_size)  in printbuf_extend()
65 	new_size = p->size * 2;  in printbuf_extend()
71 	  p->bpos, min_size, p->size, new_size);  in printbuf_extend()
73 	if(!(t = (char*)realloc(p->buf, new_size)))  in printbuf_extend()
75 	p->size = new_size;  in printbuf_extend()
76 	p->buf = t;  in printbuf_extend()
80 int printbuf_memappend(struct printbuf *p, const char *buf, int size)  in printbuf_memappend()  argument
82   if (p->size <= p->bpos + size + 1) {  in printbuf_memappend()
83     if (printbuf_extend(p, p->bpos + size + 1) < 0)  in printbuf_memappend()
86   memcpy(p->buf + p->bpos, buf, size);  in printbuf_memappend()
87   p->bpos += size;  in printbuf_memappend()
88   p->buf[p->bpos]= '\0';  in printbuf_memappend()
153 int sprintbuf(struct printbuf *p, const char *msg, ...)  in sprintbuf()  argument
172     printbuf_memappend(p, t, size);  in sprintbuf()
176     printbuf_memappend(p, buf, size);  in sprintbuf()
181 void printbuf_reset(struct printbuf *p)  in printbuf_reset()  argument
183   p->buf[0] = '\0';  in printbuf_reset()
184   p->bpos = 0;  in printbuf_reset()
187 void printbuf_free(struct printbuf *p)  in printbuf_free()  argument
189   if(p) {  in printbuf_free()
190     free(p->buf);  in printbuf_free()
191     free(p);  in printbuf_free()