Added __attribute__((format(printf, ...))) where appropriate.

[sysdb.git] / src / include / utils / strbuf.h

diff --git a/src/include/utils/strbuf.h b/src/include/utils/strbuf.h
index af4a9ccd0251326386bb5ed2d946f6d5b55ecf66..5e9913d1d6217a8753ebc131933ab0c93910f38c 100644 (file)
--- a/src/include/utils/strbuf.h
+++ b/src/include/utils/strbuf.h
@@ -37,6 +37,7 @@
 
 #include <stdarg.h>
 #include <stdio.h>
+#include <unistd.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -73,9 +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:
@@ -89,9 +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:
@@ -138,10 +143,17 @@ sdb_strbuf_chomp(sdb_strbuf_t *strbuf);
 
 /*
  * sdb_strbuf_skip:
- * Removes the first 'n' bytes from the buffer.
+ * Removes 'n' bytes from the buffer starting at offset 'offset'.
  */
 void
-sdb_strbuf_skip(sdb_strbuf_t *strbuf, size_t n);
+sdb_strbuf_skip(sdb_strbuf_t *strbuf, size_t offset, size_t n);
+
+/*
+ * sdb_strbuf_clear:
+ * Clear the buffer but do not deallocate memory.
+ */
+void
+sdb_strbuf_clear(sdb_strbuf_t *strbuf);
 
 /*
  * sdb_strbuf_string:
@@ -158,6 +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