-int
-pkg_parse_from_stream_nomalloc(pkg_t *pkg, FILE *fp, uint mask,
- char **buf0, size_t buf0len)
-{
- int ret, lineno;
- char *buf, *nl;
- size_t buflen;
-
- lineno = 1;
- ret = 0;
-
- buflen = buf0len;
- buf = *buf0;
- buf[0] = '\0';
-
- while (1) {
- if (fgets(buf, (int)buflen, fp) == NULL) {
- if (ferror(fp)) {
- opkg_perror(ERROR, "fgets");
- ret = -1;
- } else if (strlen(*buf0) == buf0len-1) {
- opkg_msg(ERROR, "Missing new line character"
- " at end of file!\n");
- pkg_parse_line(pkg, *buf0, mask);
- }
- break;
- }
-
- nl = strchr(buf, '\n');
- if (nl == NULL) {
- if (strlen(buf) < buflen-1) {
- /*
- * Line could be exactly buflen-1 long and
- * missing a newline, but we won't know until
- * fgets fails to read more data.
- */
- opkg_msg(ERROR, "Missing new line character"
- " at end of file!\n");
- pkg_parse_line(pkg, *buf0, mask);
- break;
- }
- if (buf0len >= EXCESSIVE_LINE_LEN) {
- opkg_msg(ERROR, "Excessively long line at "
- "%d. Corrupt file?\n",
- lineno);
- ret = -1;
- break;
- }
-
- /*
- * Realloc and point buf past the data already read,
- * at the NULL terminator inserted by fgets.
- * |<--------------- buf0len ----------------->|
- * | |<------- buflen ---->|
- * |---------------------|---------------------|
- * buf0 buf
- */
- buflen = buf0len +1;
- buf0len *= 2;
- *buf0 = xrealloc(*buf0, buf0len);
- buf = *buf0 + buflen -2;
-
- continue;
- }
-
- *nl = '\0';
-
- lineno++;
-
- if (pkg_parse_line(pkg, *buf0, mask))
- break;
-
- buf = *buf0;
- buflen = buf0len;
- buf[0] = '\0';
- }
-
- if (pkg->name == NULL) {
- /* probably just a blank line */
- ret = 1;
- }
-
- return ret;
-}
-