61 	struct aura_buffer *e;  in aura_buffer_new()  local
63 	e = malloc(sizeof(struct aura_buffer));  in aura_buffer_new()
65 	e->len = 0;  in aura_buffer_new()
66 	e->size = size;  in aura_buffer_new()
67 	e->pos = 0;  in aura_buffer_new()
69 	e->buf = malloc(size);  in aura_buffer_new()
70 	e->buf[0] = '\0';  in aura_buffer_new()
72 	return(e);  in aura_buffer_new()
79 aura_buffer_free(struct aura_buffer *e)  in aura_buffer_free()  argument
81 	if (e != NULL) {  in aura_buffer_free()
82 		if (e->buf != NULL)  in aura_buffer_free()
83 			free(e->buf);  in aura_buffer_free()
84 		free(e);  in aura_buffer_free()
99 aura_buffer_buf(struct aura_buffer *e)  in aura_buffer_buf()  argument
101 	return(e->buf);  in aura_buffer_buf()
108 aura_buffer_len(struct aura_buffer *e)  in aura_buffer_len()  argument
110 	return(e->len);  in aura_buffer_len()
118 aura_buffer_size(struct aura_buffer *e)  in aura_buffer_size()  argument
120 	return(e->size);  in aura_buffer_size()
129 aura_buffer_ensure_size(struct aura_buffer *e, size_t size)  in aura_buffer_ensure_size()  argument
131 	if (e->size >= size) return;  in aura_buffer_ensure_size()
132 	e->size = size;  in aura_buffer_ensure_size()
133 	if ((e->buf = realloc(e->buf, e->size)) == NULL) {  in aura_buffer_ensure_size()
146 aura_buffer_set(struct aura_buffer *e, const char *buf, size_t length)  in aura_buffer_set()  argument
148 	while ((length + 1) > e->size) {  in aura_buffer_set()
149 		e->size *= 2;  in aura_buffer_set()
151 	if ((e->buf = realloc(e->buf, e->size)) == NULL) {  in aura_buffer_set()
154 	memcpy(e->buf, buf, length);  in aura_buffer_set()
155 	e->len = length;  in aura_buffer_set()
156 	e->buf[e->len] = '\0';  in aura_buffer_set()
166 aura_buffer_append(struct aura_buffer *e, const char *buf, size_t length)  in aura_buffer_append()  argument
168 	while (e->len + (length + 1) > e->size) {  in aura_buffer_append()
169 		e->size *= 2;  in aura_buffer_append()
171 	if ((e->buf = realloc(e->buf, e->size)) == NULL) {  in aura_buffer_append()
174 	memcpy(e->buf + e->len, buf, length);  in aura_buffer_append()
175 	e->len += length;  in aura_buffer_append()
176 	e->buf[e->len] = '\0';  in aura_buffer_append()
185 aura_buffer_cpy(struct aura_buffer *e, const char *s)  in aura_buffer_cpy()  argument
187 	aura_buffer_set(e, s, strlen(s));  in aura_buffer_cpy()
196 aura_buffer_cat(struct aura_buffer *e, const char *s)  in aura_buffer_cat()  argument
198 	aura_buffer_append(e, s, strlen(s));  in aura_buffer_cat()
205 aura_buffer_cat_file(struct aura_buffer *e, const char *fmt, ...)  in aura_buffer_cat_file()  argument
221 		aura_buffer_cat(e, line);  in aura_buffer_cat_file()
233 aura_buffer_cat_pipe(struct aura_buffer *e, const char *fmt, ...)  in aura_buffer_cat_pipe()  argument
249 		aura_buffer_cat(e, line);  in aura_buffer_cat_pipe()
265 aura_buffer_seek(struct aura_buffer *e, size_t pos)  in aura_buffer_seek()  argument
267 	if (pos <= e->size) {  in aura_buffer_seek()
268 		e->pos = pos;  in aura_buffer_seek()
276 aura_buffer_tell(struct aura_buffer *e)  in aura_buffer_tell()  argument
278 	return(e->pos);  in aura_buffer_tell()
282 aura_buffer_eof(struct aura_buffer *e)  in aura_buffer_eof()  argument
284 	return(e->pos >= e->size);  in aura_buffer_eof()
288 aura_buffer_peek_char(struct aura_buffer *e)  in aura_buffer_peek_char()  argument
290 	return(e->buf[e->pos]);  in aura_buffer_peek_char()
294 aura_buffer_scan_char(struct aura_buffer *e)  in aura_buffer_scan_char()  argument
296 	return(e->buf[e->pos++]);  in aura_buffer_scan_char()
300 aura_buffer_compare(struct aura_buffer *e, const char *s)  in aura_buffer_compare()  argument
304 	for (i = 0, pos = e->pos; s[i] != '\0' && pos < e->size; i++, pos++) {  in aura_buffer_compare()
305 		if (e->buf[pos] != s[i])  in aura_buffer_compare()
309 	if (pos <= e->size) {  in aura_buffer_compare()
317 aura_buffer_expect(struct aura_buffer *e, const char *s)  in aura_buffer_expect()  argument
321 	if ((pos = aura_buffer_compare(e, s)) > 0) {  in aura_buffer_expect()
322 		e->pos = pos;  in aura_buffer_expect()
330 aura_buffer_push(struct aura_buffer *e, const void *src, size_t len)  in aura_buffer_push()  argument
332 	aura_buffer_ensure_size(e, e->pos + len);  in aura_buffer_push()
333 	memcpy(e->buf + e->pos, src, len);  in aura_buffer_push()
334 	e->pos += len;  in aura_buffer_push()
338 aura_buffer_pop(struct aura_buffer *e, void *dest, size_t len)  in aura_buffer_pop()  argument
340 	if (e->pos - len > 0) {  in aura_buffer_pop()
341 		e->pos -= len;  in aura_buffer_pop()
342 		memcpy(dest, e->buf + e->pos, len);  in aura_buffer_pop()