X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=common.c;fp=common.c;h=ec267af957a80ea15ff5707a671d3ee9903512cf;hb=4bd1536081d134fdb0d21067d0c7ddcdc422e6c9;hp=a2bfd090f612a255104874b770e7b2dec60a2215;hpb=7758a9edc32335f94c9b93ead8e7cf4d153699de;p=collection4.git

diff --git a/common.c b/common.c
index a2bfd09..ec267af 100644
--- a/common.c
+++ b/common.c
@@ -6,6 +6,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 #include <dirent.h>
+#include <assert.h>
 
 #include "common.h"
 
@@ -142,4 +143,33 @@ int foreach_host (callback_host_t callback, /* {{{ */
   return (foreach_dir (DATA_DIR, callback, user_data));
 } /* }}} int foreach_host */
 
+size_t c_strlcat (char *dst, const char *src, size_t size) /* {{{ */
+{
+  size_t retval;
+  size_t dst_len;
+  size_t src_len;
+
+  dst_len = strlen (dst);
+  src_len = strlen (src);
+  retval = dst_len + src_len;
+
+  if ((dst_len + 1) >= size)
+    return (retval);
+
+  dst  += dst_len;
+  size -= dst_len;
+  assert (size >= 2);
+
+  /* Result will be truncated. */
+  if (src_len >= size)
+    src_len = size - 1;
+
+  memcpy (dst, src, src_len);
+  dst[src_len] = 0;
+
+  return (retval);
+} /* }}} size_t c_strlcat */
+
+
+
 /* vim: set sw=2 sts=2 et fdm=marker : */