Change union value type to contain uint8_t types instead of char.

[pspp-builds.git] / src / libpspp / str.c

diff --git a/src/libpspp/str.c b/src/libpspp/str.c
index ccd7739c647b87d989b9cbc867810d915839770c..afe32de9f2049bfcc5a80ac7a95b36b348be4cb7 100644 (file)
--- a/src/libpspp/str.c
+++ b/src/libpspp/str.c
@@ -1441,3 +1441,25 @@ ds_relocate (struct string *st)
       free ((char *) rel);
     }
 }
+
+
+\f
+
+/* Operations on uint8_t "strings" */
+
+/* Copies buffer SRC, of SRC_SIZE bytes, to DST, of DST_SIZE bytes.
+   DST is truncated to DST_SIZE bytes or padded on the right with
+   copies of PAD as needed. */
+void
+u8_buf_copy_rpad (uint8_t *dst, size_t dst_size,
+                 const uint8_t *src, size_t src_size,
+                 char pad)
+{
+  if (src_size >= dst_size)
+    memmove (dst, src, dst_size);
+  else
+    {
+      memmove (dst, src, src_size);
+      memset (&dst[src_size], pad, dst_size - src_size);
+    }
+}