X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Futils%2Fstrbuf.c;h=ee419b7ea20994efaeeaac3d6ae1d246c402dcb0;hb=86008386cf41fac1355c260f490d40e084696f46;hp=77d19f044d71a1fec89ec629877d0deda5b3585d;hpb=c3271a967dc7e221b657cbf420882b605d5c261e;p=sysdb.git

diff --git a/src/utils/strbuf.c b/src/utils/strbuf.c
index 77d19f0..ee419b7 100644
--- a/src/utils/strbuf.c
+++ b/src/utils/strbuf.c
@@ -283,23 +283,44 @@ sdb_strbuf_chomp(sdb_strbuf_t *strbuf)
 } /* sdb_strbuf_chomp */
 
 void
-sdb_strbuf_skip(sdb_strbuf_t *strbuf, size_t n)
+sdb_strbuf_skip(sdb_strbuf_t *strbuf, size_t offset, size_t n)
 {
+	char *start;
+	size_t len;
+
 	if ((! strbuf) || (! n))
 		return;
 
-	if (n >= strbuf->pos) {
-		strbuf->string[0] = '\0';
-		strbuf->pos = 0;
+	if (offset >= strbuf->pos)
+		return;
+
+	len = strbuf->pos - offset;
+
+	if (n >= len) {
+		strbuf->string[offset] = '\0';
+		strbuf->pos = offset;
 		return;
 	}
 
-	assert(n < strbuf->pos);
-	memmove(strbuf->string, strbuf->string + n, strbuf->pos - n);
+	assert(offset + n < strbuf->pos);
+	assert(offset < strbuf->pos);
+
+	start = strbuf->string + offset;
+	memmove(start, start + n, strbuf->pos - n);
 	strbuf->pos -= n;
 	strbuf->string[strbuf->pos] = '\0';
 } /* sdb_strbuf_skip */
 
+void
+sdb_strbuf_clear(sdb_strbuf_t *strbuf)
+{
+	if ((! strbuf) || (! strbuf->size))
+		return;
+
+	strbuf->string[0] = '\0';
+	strbuf->pos = 0;
+} /* sdb_strbuf_clear */
+
 const char *
 sdb_strbuf_string(sdb_strbuf_t *strbuf)
 {