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Fix gzip bmp support (test if malloc fails, warning when truncated).

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Increase CFG_VIDEO_LOGO_MAX_SIZE on HH405 board.
Patch by Stefan Roese, 08 Oct 2005
This commit is contained in:
Stefan Roese
2005-10-08 10:19:07 +02:00
parent bccae9039e
commit c29ab9d71d
7 changed files with 82 additions and 14 deletions
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23
board/esd/common/lcd.c
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@@ -81,7 +81,7 @@ void lcd_bmp(uchar *logo_bmp)
uchar *ptr;
ushort *ptr2;
ushort val;
unsigned char *dst;
unsigned char *dst = NULL;
int x, y;
int width, height, bpp, colors, line_size;
int header_size;
@@ -89,7 +89,6 @@ void lcd_bmp(uchar *logo_bmp)
unsigned char r, g, b;
BITMAPINFOHEADER *bm_info;
ulong len;
int do_free = 0;
/*
* Check for bmp mark 'BM'
@@ -99,12 +98,18 @@ void lcd_bmp(uchar *logo_bmp)
/*
* Decompress bmp image
*/
len = CFG_LCD_LOGO_MAX_SIZE;
dst = malloc(CFG_LCD_LOGO_MAX_SIZE);
do_free = 1;
if (gunzip(dst, CFG_LCD_LOGO_MAX_SIZE, (uchar *)logo_bmp, &len) != 0) {
len = CFG_VIDEO_LOGO_MAX_SIZE;
dst = malloc(CFG_VIDEO_LOGO_MAX_SIZE);
if (dst == NULL) {
printf("Error: malloc in gunzip failed!\n");
return;
}
if (gunzip(dst, CFG_VIDEO_LOGO_MAX_SIZE, (uchar *)logo_bmp, &len) != 0) {
return;
}
if (len == CFG_VIDEO_LOGO_MAX_SIZE) {
printf("Image could be truncated (increase CFG_VIDEO_LOGO_MAX_SIZE)!\n");
}
/*
* Check for bmp mark 'BM'
@@ -147,7 +152,9 @@ void lcd_bmp(uchar *logo_bmp)
break;
default:
printf("LCD: Unknown bpp (%d) im image!\n", bpp);
free(dst);
if ((dst != NULL) && (dst != (uchar *)logo_bmp)) {
free(dst);
}
return;
}
printf(" (%d*%d, %dbpp)\n", width, height, bpp);
@@ -205,7 +212,7 @@ void lcd_bmp(uchar *logo_bmp)
}
}
if (do_free) {
if ((dst != NULL) && (dst != (uchar *)logo_bmp)) {
free(dst);
}
}