[Bug 3388350] mingw64 compiler warnings

7 files changed, 19 insertions, 21 deletions

diff --git a/win/tkWinButton.c b/win/tkWinButton.c
index ab551ca..af1058d 100644
--- a/win/tkWinButton.c
+++ b/win/tkWinButton.c
@@ -90,6 +90,7 @@ Tk_ClassProcs tkpButtonProcs = {
     sizeof(Tk_ClassProcs),	/* size */
     TkButtonWorldChanged,	/* worldChangedProc */
     CreateProc,			/* createProc */
+    NULL
 };
 
 
diff --git a/win/tkWinEmbed.c b/win/tkWinEmbed.c
index 4277978..bc86019 100644
--- a/win/tkWinEmbed.c
+++ b/win/tkWinEmbed.c
@@ -736,7 +736,7 @@ TkWinEmbeddedEventProc(
 	     */
 
 	    if (topwinPtr) {
-		if (wParam >= 0 && wParam <= 3) {
+		if (wParam <= 3) {
 		    TkpWmSetState(topwinPtr, wParam);
 		}
 		result = 1+TkpWmGetState(topwinPtr);
diff --git a/win/tkWinFont.c b/win/tkWinFont.c
index 7228126..f209716 100644
--- a/win/tkWinFont.c
+++ b/win/tkWinFont.c
@@ -2326,7 +2326,7 @@ GetScreenFont(
 	 * We can only store up to LF_FACESIZE wide characters
 	 */
 
-	if (Tcl_DStringLength(&ds) >= (LF_FACESIZE * sizeof(WCHAR))) {
+	if ((size_t)Tcl_DStringLength(&ds) >= (LF_FACESIZE * sizeof(WCHAR))) {
 	    Tcl_DStringSetLength(&ds, LF_FACESIZE);
 	}
 	src = (Tcl_UniChar *) Tcl_DStringValue(&ds);
@@ -2613,7 +2613,7 @@ LoadFontRanges(
     }
 
     n = GetFontData(hdc, cmapKey, 0, &cmapTable, sizeof(cmapTable));
-    if (n != GDI_ERROR) {
+    if (n != (int)GDI_ERROR) {
 	if (swapped) {
 	    SwapShort(&cmapTable.numTables);
 	}
diff --git a/win/tkWinImage.c b/win/tkWinImage.c
index d6a6d73..8e6ef38 100644
--- a/win/tkWinImage.c
+++ b/win/tkWinImage.c
@@ -68,7 +68,7 @@ ImageGetPixel(
     int x, int y)
 {
     unsigned long pixel = 0;
-    unsigned char *srcPtr = &(image->data[(y * image->bytes_per_line)
+    unsigned char *srcPtr = (unsigned char *) &(image->data[(y * image->bytes_per_line)
 	    + ((x * image->bits_per_pixel) / NBBY)]);
 
     switch (image->bits_per_pixel) {
@@ -116,7 +116,7 @@ PutPixel(
     int x, int y,
     unsigned long pixel)
 {
-    unsigned char *destPtr = &(image->data[(y * image->bytes_per_line)
+    unsigned char *destPtr = (unsigned char *) &(image->data[(y * image->bytes_per_line)
 	    + ((x * image->bits_per_pixel) / NBBY)]);
 
     switch  (image->bits_per_pixel) {
@@ -368,16 +368,16 @@ XGetImageZPixmap(
 	unsigned char *p, *pend;
 
 	GetDIBits(hdcMem, hbmp, 0, height, NULL, bmInfo, DIB_PAL_COLORS);
-	data = ckalloc(bmInfo->bmiHeader.biSizeImage);
+	data = (unsigned char *) ckalloc(bmInfo->bmiHeader.biSizeImage);
 	if (!data) {
 	    /* printf("Failed to allocate data area for XImage.\n"); */
 	    ret_image = NULL;
 	    goto cleanup;
 	}
-	ret_image = XCreateImage(display, NULL, depth, ZPixmap, 0, data,
+	ret_image = XCreateImage(display, NULL, depth, ZPixmap, 0, (char *)data,
 		width, height, 32, (int) ((width + 31) >> 3) & ~1);
 	if (ret_image == NULL) {
-	    ckfree(data);
+	    ckfree((char *)data);
 	    goto cleanup;
 	}
 
@@ -404,13 +404,13 @@ XGetImageZPixmap(
 	unsigned char *p;
 
 	GetDIBits(hdcMem, hbmp, 0, height, NULL, bmInfo, DIB_PAL_COLORS);
-	data = ckalloc(bmInfo->bmiHeader.biSizeImage);
+	data = (unsigned char *) ckalloc(bmInfo->bmiHeader.biSizeImage);
 	if (!data) {
 	    /* printf("Failed to allocate data area for XImage.\n"); */
 	    ret_image = NULL;
 	    goto cleanup;
 	}
-	ret_image = XCreateImage(display, NULL, 8, ZPixmap, 0, data,
+	ret_image = XCreateImage(display, NULL, 8, ZPixmap, 0, (char *)data,
 		width, height, 8, (int) width);
 	if (ret_image == NULL) {
 	    ckfree((char *) data);
@@ -435,13 +435,13 @@ XGetImageZPixmap(
 	}
     } else if (depth == 16) {
 	GetDIBits(hdcMem, hbmp, 0, height, NULL, bmInfo, DIB_RGB_COLORS);
-	data = ckalloc(bmInfo->bmiHeader.biSizeImage);
+	data = (unsigned char *) ckalloc(bmInfo->bmiHeader.biSizeImage);
 	if (!data) {
 	    /* printf("Failed to allocate data area for XImage.\n"); */
 	    ret_image = NULL;
 	    goto cleanup;
 	}
-	ret_image = XCreateImage(display, NULL, 16, ZPixmap, 0, data,
+	ret_image = XCreateImage(display, NULL, 16, ZPixmap, 0, (char *) data,
 		width, height, 16, 0 /* will be calc'ed from bitmap_pad */);
 	if (ret_image == NULL) {
 	    ckfree((char *) data);
@@ -461,13 +461,13 @@ XGetImageZPixmap(
 	}
     } else {
 	GetDIBits(hdcMem, hbmp, 0, height, NULL, bmInfo, DIB_RGB_COLORS);
-	data = ckalloc(width * height * 4);
+	data = (unsigned char *) ckalloc(width * height * 4);
 	if (!data) {
 	    /* printf("Failed to allocate data area for XImage.\n"); */
 	    ret_image = NULL;
 	    goto cleanup;
 	}
-	ret_image = XCreateImage(display, NULL, 32, ZPixmap, 0, data,
+	ret_image = XCreateImage(display, NULL, 32, ZPixmap, 0, (char *) data,
 		width, height, 0, (int) width * 4);
 	if (ret_image == NULL) {
 	    ckfree((char *) data);
@@ -484,7 +484,7 @@ XGetImageZPixmap(
 	    unsigned int byte_width, h, w;
 
 	    byte_width = ((width * 3 + 3) & ~(unsigned)3);
-	    smallBitBase = ckalloc(byte_width * height);
+	    smallBitBase = (unsigned char *) ckalloc(byte_width * height);
 	    if (!smallBitBase) {
 		ckfree((char *) ret_image->data);
 		ckfree((char *) ret_image);
@@ -511,7 +511,7 @@ XGetImageZPixmap(
 	     */
 
 	    for (h = 0; h < height; h++) {
-		bigBitData   = ret_image->data + h * ret_image->bytes_per_line;
+		bigBitData   = (unsigned char *) (ret_image->data + h * ret_image->bytes_per_line);
 		smallBitData = smallBitBase + h * byte_width;
 
 		for (w = 0; w < width; w++) {
diff --git a/win/tkWinKey.c b/win/tkWinKey.c
index dae3ed3..522bfba 100644
--- a/win/tkWinKey.c
+++ b/win/tkWinKey.c
@@ -328,7 +328,7 @@ KeycodeToKeysym(
      */
 
   skipToAscii:
-    if (keycode < 0 || keycode > MAX_KEYCODE) {
+    if (keycode > MAX_KEYCODE) {
 	return NoSymbol;
     }
     switch (keycode) {
diff --git a/win/tkWinTest.c b/win/tkWinTest.c
index 45647f0..ed2e3e5 100644
--- a/win/tkWinTest.c
+++ b/win/tkWinTest.c
@@ -303,9 +303,6 @@ TestwineventCmd(
 	}
     }
     message = TkFindStateNum(NULL, NULL, messageMap, argv[3]);
-    if (message < 0) {
-	message = strtol(argv[3], NULL, 0);
-    }
     wParam = 0;
     lParam = 0;
 
diff --git a/win/tkWinWm.c b/win/tkWinWm.c
index 7ea68a3..b3af26a 100644
--- a/win/tkWinWm.c
+++ b/win/tkWinWm.c
@@ -1724,7 +1724,7 @@ ReadIconOrCursorFromFile(
 	 * Read it in.
 	 */
 
-	dwBytesRead = Tcl_Read(channel, lpIR->IconImages[i].lpBits,
+	dwBytesRead = Tcl_Read(channel, (char *) lpIR->IconImages[i].lpBits,
 		(int) lpIDE[i].dwBytesInRes);
 	if (dwBytesRead != lpIDE[i].dwBytesInRes) {
 	    Tcl_AppendResult(interp, "Error reading file", NULL);