Changeset 444 for trunk/libs/mini-libc/string.c

Timestamp:

May 16, 2018, 8:31:35 PM (7 years ago)

Author:

satin@…

Message:

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File:

• trunk/libs/mini-libc/string.c (modified) (3 diffs)

trunk/libs/mini-libc/string.c

@@ -24 +24 @@
 #define  NULL  (void *)0
 
-///////////////////////////
-inline int tolower( int c )
-{
-   if (c >= 'A' && c <= 'Z') return (c | 0x20);
-   else                      return c;
-}
-
-
-///////////////////////////
-inline int toupper( int c )
-{
-   if (c >= 'a' && c <= 'z') return (c & ~(0x20));
-   else                      return c;
-}
+#include <string.h>
 
 ///////////////////////////////////////
@@ -92 +79 @@
 }
 
-//////////////////////////////////
-int strcasecmp( const char * str1,
-                const char * str2 )
-{
-        char c1;
-        char c2;
 
-        do
-    {
-                c1 = (char)toupper( (int)*++str1 );
-                c2 = (char)toupper( (int)*++str2 );
-                c2 = toupper(*++str2);
-        }
-    while(c1 && c1 == c2);
-
-        return (c1 - c2);
-}
 
 ///////////////////////////
@@ -190 +161 @@
 }
 
+///////////////////////////////////////////////////////////////
+void * memcpy(void *_dst, const void * _src, unsigned int size) 
+{
+    unsigned int * dst = _dst;
+    const unsigned int * src = _src;
+    if (!((unsigned int) dst & 3) && !((unsigned int) src & 3) )
+    {
+        while (size > 3) 
+        {
+            *dst++ = *src++;
+            size -= 4;
+        }
+    }
 
+    unsigned char *cdst = (unsigned char*)dst;
+    unsigned char *csrc = (unsigned char*)src;
+
+    while (size--) 
+    {
+        *cdst++ = *csrc++;
+    }
+    return _dst;
+}
+
+//////////////////////////////////////////////////////////
+inline void * memset(void * dst, int s, unsigned int size) 
+{
+    char * a = (char *) dst;
+    while (size--)
+    {
+        *a++ = (char)s;
+    }
+    return dst;
+}
+
+