New function AlignCount.

git-svn-id: svn://svn.cc65.org/cc65/trunk@5329 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/src/common/alignment.c b/src/common/alignment.c
index 593926db51ca5db259958917de0946f5738a2902..ff5d112615122be8f0d51852bb7374f091bc89ab 100644 (file)
--- a/src/common/alignment.c
+++ b/src/common/alignment.c
@@ -178,3 +178,11 @@ unsigned long AlignAddr (unsigned long Addr, unsigned long Alignment)
 
 
 
+unsigned long AlignCount (unsigned long Addr, unsigned long Alignment)
+/* Calculate how many bytes must be inserted to align Addr to Alignment */
+{
+    return AlignAddr (Addr, Alignment) - Addr;
+}
+
+
+

diff --git a/src/common/alignment.h b/src/common/alignment.h
index 15f44a3686f1195e5e82144ec0b1252c8b21a110..a8d4c384d688a9b24593c6a62c019ef39f9f7f0a 100644 (file)
--- a/src/common/alignment.h
+++ b/src/common/alignment.h
@@ -55,7 +55,10 @@ unsigned long LeastCommonMultiple (unsigned long Left, unsigned long Right);
  */
 
 unsigned long AlignAddr (unsigned long Addr, unsigned long Alignment);
-/* Align an address to the given alignment */
+/* Align an address to the given alignment */                               
+
+unsigned long AlignCount (unsigned long Addr, unsigned long Alignment);
+/* Calculate how many bytes must be inserted to align Addr to Alignment */