Implemented some CRTDLL string functions.

misc/Makefile.in

@@ -28,6 +28,7 @@ C_SRCS = \
 	spooler.c \
 	spy.c \
 	stress.c \
+	string.c \
 	system.c \
 	tapi32.c \
 	toolhelp.c \

misc/string.c

@@ -0,0 +1,67 @@
+/*
+ * implementation of MSDEVS extensions to string.h
+ *
+ * Copyright 1999 Corel Corporation  (Albert den Haan)
+ */
+
+/* WARNING: The Wine declarations are in tchar.h for now since string.h is 
+ * not available to be altered in most development environments.  MSDEVS 5
+ * declarse these functions in its own "string.h" */
+
+#include "tchar.h"
+
+#include <ctype.h>
+#include <assert.h>
+
+char *_strlwr(char *string) {
+    char *cp;
+
+    assert(string != NULL);
+
+    for(cp = string; *cp; cp++) {
+	*cp = tolower(*cp);
+    }
+    return string;
+}
+
+char *_strrev(char *string) {
+    char *pcFirst, *pcLast;
+    assert(string != NULL);
+
+    pcFirst = pcLast = string;
+    
+    /* find the last character of the string 
+     * (i.e. before the assumed nul-character) */
+    while(*(pcLast + 1)) {
+	pcLast++;
+    }
+
+    /* if the following ASSERT fails look for a bad (i.e. not nul-terminated)
+     * string */
+    assert(pcFirst <= pcLast);
+
+    /* reverse the string */
+    while(pcFirst < pcLast) {
+	/* swap characters across the middle */
+	char cTemp = *pcFirst;
+	*pcFirst = *pcLast;
+	*pcLast = cTemp;
+	/* move towards the middle of the string */
+	pcFirst++;
+	pcLast--;
+    }
+
+    return string;
+}
+
+char *_strupr(char *string) {
+    char *cp;
+
+    assert(string != NULL);
+
+    for(cp = string; *cp; cp++) {
+	*cp = toupper(*cp);
+    }
+    return string;
+}
+