From: Sebastian Harl <sh@tokkee.org>
Date: Fri, 16 May 2014 06:49:38 +0000 (+0200)
Subject: strbuf utils: Added sdb_strbuf_cap().
X-Git-Tag: sysdb-0.1.0~14
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=e1af9ad9bafdd37cb6d1cb858e4f151e8bcf6bde;p=sysdb.git

strbuf utils: Added sdb_strbuf_cap().

This function returns the "capacity" of the string buffer. It's useful mostly
for testing, debugging, etc.
---

diff --git a/src/include/utils/strbuf.h b/src/include/utils/strbuf.h
index 96b4f86..20cf870 100644
--- a/src/include/utils/strbuf.h
+++ b/src/include/utils/strbuf.h
@@ -166,6 +166,15 @@ sdb_strbuf_string(sdb_strbuf_t *strbuf);
 size_t
 sdb_strbuf_len(sdb_strbuf_t *strbuf);
 
+/*
+ * sdb_strbuf_cap:
+ * Returns the current capacity of the string buffer. It describes the max
+ * length of the buffer's content (including terminating nul byte) that may be
+ * stored in the buffer without resizing it.
+ */
+size_t
+sdb_strbuf_cap(sdb_strbuf_t *strbuf);
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif
diff --git a/src/utils/strbuf.c b/src/utils/strbuf.c
index 0474677..7d8bc55 100644
--- a/src/utils/strbuf.c
+++ b/src/utils/strbuf.c
@@ -364,5 +364,13 @@ sdb_strbuf_len(sdb_strbuf_t *strbuf)
 	return strbuf->pos;
 } /* sdb_strbuf_string */
 
+size_t
+sdb_strbuf_cap(sdb_strbuf_t *strbuf)
+{
+	if (! strbuf)
+		return 0;
+	return strbuf->size;
+} /* sdb_strbuf_cap */
+
 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */