From: Pekka Riikonen <priikone@silcnet.org>
Date: Sat, 21 Sep 2002 17:18:52 +0000 (+0000)
Subject: 	Added silc_strncat.
X-Git-Tag: silc.client.0.9.6~83
X-Git-Url: http://git.silcnet.org/gitweb/?p=silc.git;a=commitdiff_plain;h=b424d54ae3239007b4d4e2e9b3f4bf55781450bb

	Added silc_strncat.
---

diff --git a/lib/silcutil/silcstrutil.c b/lib/silcutil/silcstrutil.c
index 53c1a024..b685f055 100644
--- a/lib/silcutil/silcstrutil.c
+++ b/lib/silcutil/silcstrutil.c
@@ -574,3 +574,25 @@ silc_mime_parse(const unsigned char *mime, SilcUInt32 mime_len,
 
   return TRUE;
 }
+
+/* Concatenates the `src' into `dest'.  If `src_len' is more than the
+   size of the `dest' (minus NULL at the end) the `src' will be
+   truncated to fit. */
+
+char *silc_strncat(char *dest, SilcUInt32 dest_size,
+		   const char *src, SilcUInt32 src_len)
+{
+  int len;
+
+  dest[dest_size - 1] = '\0';
+
+  len = dest_size - 1 - strlen(dest);
+  if (len < src_len) {
+    if (len > 0)
+      strncat(dest, src, len);
+  } else {
+    strncat(dest, src, src_len);
+  }
+
+  return dest;
+}
diff --git a/lib/silcutil/silcstrutil.h b/lib/silcutil/silcstrutil.h
index 1f0608cf..e29be072 100644
--- a/lib/silcutil/silcstrutil.h
+++ b/lib/silcutil/silcstrutil.h
@@ -214,4 +214,21 @@ silc_mime_parse(const unsigned char *mime, SilcUInt32 mime_len,
                 char *transfer_encoding, SilcUInt32 transfer_encoding_size,
                 unsigned char **mime_data_ptr, SilcUInt32 *mime_data_len);
 
+/****f* silcutil/SilcStrUtilAPI/silc_strncat
+ *
+ * SYNOPSIS
+ *
+ *    char *silc_strncat(char *dest, SilcUInt32 dest_size,
+ *                       const char *src, SilcUInt32 src_len);
+ *
+ * DESCRIPTION
+ *
+ *    Concatenates the `src' into `dest'.  If `src_len' is more than the
+ *    size of the `dest' (minus NULL at the end) the `src' will be
+ *    truncated to fit.
+ *
+ ***/
+char *silc_strncat(char *dest, SilcUInt32 dest_size,
+		   const char *src, SilcUInt32 src_len);
+
 #endif /* SILCSTRUTIL_H */