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[libpng16] Quieted 45 (out of 86 remaining) -Wconversion compiler warnings

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This commit is contained in:
Glenn Randers-Pehrson
2016-10-02 17:08:46 -05:00
parent ad3318ddc8
commit 3875d9af4c
9 changed files with 91 additions and 80 deletions
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12
png.c
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@@ -684,7 +684,7 @@ png_init_io(png_structrp png_ptr, png_FILE_p fp)
void PNGAPI
png_save_int_32(png_bytep buf, png_int_32 i)
{
png_save_uint_32(buf, i);
png_save_uint_32(buf, (png_uint_32)i);
}
# endif
@@ -2940,7 +2940,7 @@ png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, png_size_t size,
*/
if (exp_b10 < 0 && exp_b10 > -3) /* PLUS 3 TOTAL 4 */
{
czero = -exp_b10; /* PLUS 2 digits: TOTAL 3 */
czero = (unsigned int)(-exp_b10); /* PLUS 2 digits: TOTAL 3 */
exp_b10 = 0; /* Dot added below before first output. */
}
else
@@ -3118,11 +3118,11 @@ png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, png_size_t size,
if (exp_b10 < 0)
{
*ascii++ = 45, --size; /* '-': PLUS 1 TOTAL 3+precision */
uexp_b10 = -exp_b10;
uexp_b10 = (unsigned int)(-exp_b10);
}
else
uexp_b10 = exp_b10;
uexp_b10 = (unsigned int)exp_b10;
cdigits = 0;
@@ -3184,9 +3184,9 @@ png_ascii_from_fixed(png_const_structrp png_ptr, png_charp ascii,
/* Avoid overflow here on the minimum integer. */
if (fp < 0)
*ascii++ = 45, num = -fp;
*ascii++ = 45, num = (png_uint_32)(-fp);
else
num = fp;
num = (png_uint_32)fp;
if (num <= 0x80000000) /* else overflowed */
{