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silence clang -Wcomma warnings

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This commit is contained in:
Viktor Szakats
2017-03-29 23:54:40 +00:00
parent 92fcd25e9d
commit 8c50acb9d2
5 changed files with 75 additions and 33 deletions
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34
pngtrans.c
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@@ -514,11 +514,15 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
if (at_start != 0) /* Skip initial filler */
++sp;
else /* Skip initial channel and, for sp, the filler */
sp += 2, ++dp;
{
sp += 2; ++dp;
}
/* For a 1 pixel wide image there is nothing to do */
while (sp < ep)
*dp++ = *sp, sp += 2;
{
*dp++ = *sp; sp += 2;
}
row_info->pixel_depth = 8;
}
@@ -528,10 +532,14 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
if (at_start != 0) /* Skip initial filler */
sp += 2;
else /* Skip initial channel and, for sp, the filler */
sp += 4, dp += 2;
{
sp += 4; dp += 2;
}
while (sp < ep)
*dp++ = *sp++, *dp++ = *sp, sp += 3;
{
*dp++ = *sp++; *dp++ = *sp; sp += 3;
}
row_info->pixel_depth = 16;
}
@@ -554,11 +562,15 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
if (at_start != 0) /* Skip initial filler */
++sp;
else /* Skip initial channels and, for sp, the filler */
sp += 4, dp += 3;
{
sp += 4; dp += 3;
}
/* Note that the loop adds 3 to dp and 4 to sp each time. */
while (sp < ep)
*dp++ = *sp++, *dp++ = *sp++, *dp++ = *sp, sp += 2;
{
*dp++ = *sp++; *dp++ = *sp++; *dp++ = *sp; sp += 2;
}
row_info->pixel_depth = 24;
}
@@ -568,14 +580,16 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
if (at_start != 0) /* Skip initial filler */
sp += 2;
else /* Skip initial channels and, for sp, the filler */
sp += 8, dp += 6;
{
sp += 8; dp += 6;
}
while (sp < ep)
{
/* Copy 6 bytes, skip 2 */
*dp++ = *sp++, *dp++ = *sp++;
*dp++ = *sp++, *dp++ = *sp++;
*dp++ = *sp++, *dp++ = *sp, sp += 3;
*dp++ = *sp++; *dp++ = *sp++;
*dp++ = *sp++; *dp++ = *sp++;
*dp++ = *sp++; *dp++ = *sp; sp += 3;
}
row_info->pixel_depth = 48;