implement graphic cursor for CGA modes, wheel mouse detection, int2f hooking, simplify w16 driver

1 files changed, 59 insertions, 23 deletions

diff --git a/dlog.h b/dlog.h
index dfa346d..67f430a 100644
--- a/dlog.h
+++ b/dlog.h
@@ -1,3 +1,22 @@
+/*
+ * VBMouse - printf & logging routines
+ * Copyright (C) 2022 Javier S. Pedro
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
 #ifndef DLOG_H
 #define DLOG_H
 
@@ -10,12 +29,10 @@
 #define dlog_putc vbox_log_putc
 #endif
 
-static inline void dlog_endline(void)
-{
-	dlog_putc('\n');
-}
+#define dlog_endline() dlog_putc('\n')
 
-static inline void dlog_print(const char *s)
+/** Print string to log */
+static void dlog_print(const char *s)
 {
 	char c;
 	while (c = *s++) {
@@ -23,9 +40,17 @@ static inline void dlog_print(const char *s)
 	}
 }
 
-static inline void dlog_printu(unsigned int num, int base)
+/** Print + newline */
+static void dlog_puts(const char *s)
 {
-	char buf[4];
+	dlog_print(s);
+	dlog_endline();
+}
+
+/** Print unsigned number with base */
+static void dlog_printub(unsigned int num, int base)
+{
+	char buf[8];
 	int i = 0;
 
 	do {
@@ -39,19 +64,15 @@ static inline void dlog_printu(unsigned int num, int base)
 
 		i++;
 		num /= base;
-	} while (num > 0);
+	} while (num > 0 && i < sizeof(buf));
 
 	while (i--) {
 		dlog_putc(buf[i]);
 	}
 }
 
-static inline void dlog_printx(unsigned int num)
-{
-	dlog_printu(num, 16);
-}
-
-static inline void dlog_printd(int num, int base)
+/** Print signed number with base */
+static void dlog_printdb(int num, int base)
 {
 	unsigned int unum;
 
@@ -63,13 +84,25 @@ static inline void dlog_printd(int num, int base)
 		unum = num;
 	}
 
-	dlog_printu(unum, base);
+	dlog_printub(unum, base);
 }
 
-static inline void dlog_puts(const char *s)
+/** Print unsigned number in base 16. */
+static void dlog_printu(unsigned int num)
 {
-	dlog_print(s);
-	dlog_endline();
+	dlog_printub(num, 10);
+}
+
+/** Print unsigned number in base 10. */
+static void dlog_printx(unsigned int num)
+{
+	dlog_printub(num, 16);
+}
+
+/** Print signed number in base 10. */
+static void dlog_printd(int num)
+{
+	dlog_printdb(num, 10);
 }
 
 #else
@@ -77,11 +110,14 @@ static inline void dlog_puts(const char *s)
 #define dlog_putc(c)
 #define dlog_endline()
 #define dlog_print(s)
-#define dlog_printu(n)
-#define dlog_printx(n)
-#define dlog_printd(n,b)
 #define dlog_puts(s)
+#define dlog_printub(n,b)
+#define dlog_printdb(n,b)
+#define dlog_printx(n)
+#define dlog_printu(n)
+#define dlog_printd(n)
 
-#endif
 
-#endif
+#endif /* ENABLE_DLOG */
+
+#endif /* DLOG_H */