int main(int argc, char **argv)
{
size_t size = 0;
DataBuf buf;
char *data;
assert(databuf_init(&buf, size, DATABUF_FLAG_STRING));
databuf_print(&buf, 1, "after init size=%d", size);
#if 1
data = "a";
assert(databuf_strcat(&buf, data));
databuf_print(&buf, 1, "after strcat(%s)", data);
data = "bb";
assert(databuf_strcat(&buf, data));
databuf_print(&buf, 1, "after strcat(%s)", data);
data = "ccc";
assert(databuf_strcat(&buf, data));
databuf_print(&buf, 1, "after strcat(%s)", data);
#endif
data = databuf_export(&buf);
printf("concatenation=\"%s\"\n", data);
free(data);
#if 0
assert(databuf_init(&buf, size, 0));
databuf_print(&buf, 1, "after init size=%d", size);
size = 8;
data = make_data(size, "a");
assert(databuf_append(&buf, data, size));
databuf_print(&buf, 1, "after append size=%d", size);
assert(databuf_append(&buf, data, size));
free(data);
databuf_print(&buf, 1, "after append size=%d", size);
assert(databuf_advance(&buf, 4));
databuf_print(&buf, 1, "after databuf_advance(%d", 4);
assert(databuf_compress(&buf));
databuf_print(&buf, 1, "after compress");
size = 5;
data = make_data(size, "b");
assert(databuf_append(&buf, data, size));
free(data);
databuf_print(&buf, 1, "after append size=%d", size);
size = 7;
data = make_data(size, "c");
assert(databuf_append(&buf, data, size));
free(data);
databuf_print(&buf, 1, "after append size=%d", size);
databuf_free(&buf);
#endif
exit(0);
}
static int readline_buf(auparse_state_t *au)
{
char *p_newline=NULL;
size_t line_len;
if (au->cur_buf != NULL) {
free(au->cur_buf);
au->cur_buf = NULL;
}
//if (debug) databuf_print(&au->databuf, 1, "readline_buf");
if (au->databuf.len == 0) {
// return EOF condition
errno = 0;
return -2;
}
if ((p_newline = strnchr(databuf_beg(&au->databuf), '\n',
au->databuf.len)) != NULL) {
line_len = p_newline - databuf_beg(&au->databuf);
/* dup the line */
au->cur_buf = malloc(line_len+1); // +1 for null terminator
if (au->cur_buf == NULL)
return -1; // return error condition, errno set
strncpy(au->cur_buf, databuf_beg(&au->databuf), line_len);
au->cur_buf[line_len] = 0;
if (databuf_advance(&au->databuf, line_len+1) < 0)
return -1;
// return success
errno = 0;
return 1;
} else {
// return no data available
errno = 0;
return 0;
}
}
