X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=blobdiff_plain;f=src%2Finclude%2Futils%2Fstrbuf.h;h=5e9913d1d6217a8753ebc131933ab0c93910f38c;hp=96b4f86bee3aa8937899a9af08314f9fa5866860;hb=f78d30d42f9fe3b58f1c2132cafe4c8687b8bd46;hpb=50eb185981108ac310e2d2d1ffed6b3ace848521

diff --git a/src/include/utils/strbuf.h b/src/include/utils/strbuf.h
index 96b4f86..5e9913d 100644
--- a/src/include/utils/strbuf.h
+++ b/src/include/utils/strbuf.h
@@ -74,9 +74,11 @@ sdb_strbuf_destroy(sdb_strbuf_t *strbuf);
  *  - a negative value on error
  */
 ssize_t
-sdb_strbuf_vappend(sdb_strbuf_t *strbuf, const char *fmt, va_list ap);
+sdb_strbuf_vappend(sdb_strbuf_t *strbuf, const char *fmt, va_list ap)
+		__attribute__((format(printf, 2, 0)));
 ssize_t
-sdb_strbuf_append(sdb_strbuf_t *strbuf, const char *fmt, ...);
+sdb_strbuf_append(sdb_strbuf_t *strbuf, const char *fmt, ...)
+		__attribute__((format(printf, 2, 3)));
 
 /*
  * sdb_strbuf_vsprintf, sdb_strbuf_sprintf:
@@ -90,9 +92,11 @@ sdb_strbuf_append(sdb_strbuf_t *strbuf, const char *fmt, ...);
  *  - a negative value on error
  */
 ssize_t
-sdb_strbuf_vsprintf(sdb_strbuf_t *strbuf, const char *fmt, va_list ap);
+sdb_strbuf_vsprintf(sdb_strbuf_t *strbuf, const char *fmt, va_list ap)
+		__attribute__((format(printf, 2, 0)));
 ssize_t
-sdb_strbuf_sprintf(sdb_strbuf_t *strbuf, const char *fmt, ...);
+sdb_strbuf_sprintf(sdb_strbuf_t *strbuf, const char *fmt, ...)
+		__attribute__((format(printf, 2, 3)));
 
 /*
  * sdb_strbuf_memcpy, sdb_strbuf_memappend:
@@ -166,6 +170,15 @@ 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