[libpng16] Quieted all remaining -Wconversion compiler warnings
diff --git a/pngrtran.c b/pngrtran.c
index 748ffb3..0b4f4f9 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -429,7 +429,7 @@
int i;
png_ptr->quantize_index = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(num_palette * (sizeof (png_byte))));
+ (png_uint_32)((png_uint_32)num_palette * (sizeof (png_byte))));
for (i = 0; i < num_palette; i++)
png_ptr->quantize_index[i] = (png_byte)i;
}
@@ -446,7 +446,7 @@
/* Initialize an array to sort colors */
png_ptr->quantize_sort = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(num_palette * (sizeof (png_byte))));
+ (png_uint_32)((png_uint_32)num_palette * (sizeof (png_byte))));
/* Initialize the quantize_sort array */
for (i = 0; i < num_palette; i++)
@@ -580,9 +580,9 @@
/* Initialize palette index arrays */
png_ptr->index_to_palette = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(num_palette * (sizeof (png_byte))));
+ (png_uint_32)((png_uint_32)num_palette * (sizeof (png_byte))));
png_ptr->palette_to_index = (png_bytep)png_malloc(png_ptr,
- (png_uint_32)(num_palette * (sizeof (png_byte))));
+ (png_uint_32)((png_uint_32)num_palette * (sizeof (png_byte))));
/* Initialize the sort array */
for (i = 0; i < num_palette; i++)
@@ -2150,7 +2150,7 @@
{
png_bytep sp = row + (png_size_t)((row_width - 1) >> 3);
png_bytep dp = row + (png_size_t)row_width - 1;
- png_uint_32 shift = 7 - (int)((row_width + 7) & 0x07);
+ png_uint_32 shift = 7U - ((row_width + 7U) & 0x07);
for (i = 0; i < row_width; i++)
{
*dp = (png_byte)((*sp >> shift) & 0x01);
@@ -2174,7 +2174,7 @@
png_bytep sp = row + (png_size_t)((row_width - 1) >> 2);
png_bytep dp = row + (png_size_t)row_width - 1;
- png_uint_32 shift = (int)((3 - ((row_width + 3) & 0x03)) << 1);
+ png_uint_32 shift = ((3U - ((row_width + 3U) & 0x03)) << 1);
for (i = 0; i < row_width; i++)
{
*dp = (png_byte)((*sp >> shift) & 0x03);
@@ -2197,7 +2197,7 @@
{
png_bytep sp = row + (png_size_t)((row_width - 1) >> 1);
png_bytep dp = row + (png_size_t)row_width - 1;
- png_uint_32 shift = (int)((1 - ((row_width + 1) & 0x01)) << 2);
+ png_uint_32 shift = ((1U - ((row_width + 1U) & 0x01)) << 2);
for (i = 0; i < row_width; i++)
{
*dp = (png_byte)((*sp >> shift) & 0x0f);
@@ -3223,7 +3223,8 @@
== png_ptr->trans_color.gray)
{
unsigned int tmp = *sp & (0x7f7f >> (7 - shift));
- tmp |= png_ptr->background.gray << shift;
+ tmp |=
+ (unsigned int)(png_ptr->background.gray << shift);
*sp = (png_byte)(tmp & 0xff);
}
@@ -3252,7 +3253,8 @@
== png_ptr->trans_color.gray)
{
unsigned int tmp = *sp & (0x3f3f >> (6 - shift));
- tmp |= png_ptr->background.gray << shift;
+ tmp |=
+ (unsigned int)png_ptr->background.gray << shift;
*sp = (png_byte)(tmp & 0xff);
}
@@ -3262,7 +3264,7 @@
unsigned int g = (gamma_table [p | (p << 2) |
(p << 4) | (p << 6)] >> 6) & 0x03;
unsigned int tmp = *sp & (0x3f3f >> (6 - shift));
- tmp |= g << shift;
+ tmp |= (unsigned int)(g << shift);
*sp = (png_byte)(tmp & 0xff);
}
@@ -3288,7 +3290,8 @@
== png_ptr->trans_color.gray)
{
unsigned int tmp = *sp & (0x3f3f >> (6 - shift));
- tmp |= png_ptr->background.gray << shift;
+ tmp |=
+ (unsigned int)png_ptr->background.gray << shift;
*sp = (png_byte)(tmp & 0xff);
}
@@ -3318,7 +3321,8 @@
== png_ptr->trans_color.gray)
{
unsigned int tmp = *sp & (0x0f0f >> (4 - shift));
- tmp |= png_ptr->background.gray << shift;
+ tmp |=
+ (unsigned int)(png_ptr->background.gray << shift);
*sp = (png_byte)(tmp & 0xff);
}
@@ -3328,7 +3332,7 @@
unsigned int g = (gamma_table[p | (p << 4)] >> 4) &
0x0f;
unsigned int tmp = *sp & (0x0f0f >> (4 - shift));
- tmp |= g << shift;
+ tmp |= (unsigned int)(g << shift);
*sp = (png_byte)(tmp & 0xff);
}
@@ -3354,7 +3358,8 @@
== png_ptr->trans_color.gray)
{
unsigned int tmp = *sp & (0x0f0f >> (4 - shift));
- tmp |= png_ptr->background.gray << shift;
+ tmp |=
+ (unsigned int)(png_ptr->background.gray << shift);
*sp = (png_byte)(tmp & 0xff);
}