From: uz <uz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Tue, 10 Jul 2012 20:45:16 +0000 (+0000)
Subject: Modifications for smaller code size.
X-Git-Tag: V2.14~294
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=7a0fa3ce6747e41a79dd606410bb9a6f01dfa8d1;p=cc65

Modifications for smaller code size.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5777 b7a2c559-68d2-44c3-8de9-860c34a00d81
---

diff --git a/libsrc/common/fputs.c b/libsrc/common/fputs.c
index 3b07d8e4d..c4c87eaa3 100644
--- a/libsrc/common/fputs.c
+++ b/libsrc/common/fputs.c
@@ -13,7 +13,7 @@
 
 
 
-int __fastcall__ fputs (const char* s, FILE* f)
+int __fastcall__ fputs (const char* s, register FILE* f)
 {
     /* Check if the file is open or if there is an error condition */
     if ((f->f_flags & _FOPEN) == 0 || (f->f_flags & (_FERROR | _FEOF)) != 0) {
diff --git a/libsrc/common/realloc.c b/libsrc/common/realloc.c
index f46d9a559..2bbc16d9f 100644
--- a/libsrc/common/realloc.c
+++ b/libsrc/common/realloc.c
@@ -39,13 +39,12 @@
 
 
 
-void* __fastcall__ realloc (void* block, size_t size)
+void* __fastcall__ realloc (void* block, register size_t size)
 {
-    struct usedblock* b;
+    register struct usedblock* b;
     struct usedblock* newblock;
     unsigned oldsize;
     unsigned newhptr;
-    int diff;
 
     /* Check the block parameter */
     if (!block) {
@@ -74,13 +73,10 @@ void* __fastcall__ realloc (void* block, size_t size)
     b = (((struct usedblock*) block) - 1)->start;
     oldsize = b->size;
 
-    /* Get the size difference as a signed quantity */
-    diff = size - oldsize;
-
     /* Is the block at the current heap top? */
     if (((unsigned) b) + oldsize == ((unsigned) _heapptr)) {
     	/* Check if we've enough memory at the heap top */
-    	newhptr = ((unsigned) _heapptr) + diff;
+    	newhptr = ((unsigned) _heapptr) - oldsize + size;
     	if (newhptr <= ((unsigned) _heapend)) {
     	    /* Ok, there's space enough */
        	    _heapptr = (unsigned*) newhptr;