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 96b4f86bee3aa8937899a9af08314f9fa5866860..20cf8706b53038165e73d7892401eb8066e94b59 100644 (file)
--- 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 0474677296c31f9c1fcce3ded0a0207fde621c8a..7d8bc5527f6138f7a1c8ad6cf6730c6445c3460b 100644 (file)
--- 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 : */