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[libpng15] Use "if (value != 0)" instead of "if (value)" consistently.
This commit is contained in:
12
pngtrans.c
12
pngtrans.c
@@ -1,8 +1,8 @@
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/* pngtrans.c - transforms the data in a row (used by both readers and writers)
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*
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* Last changed in libpng 1.5.11 [June 14, 2012]
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* Copyright (c) 1998-2012 Glenn Randers-Pehrson
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* Last changed in libpng 1.5.19 [(PENDING RELEASE)]
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* Copyright (c) 1998-2014 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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*
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@@ -452,7 +452,7 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
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{
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if (row_info->bit_depth == 8)
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{
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if (at_start) /* Skip initial filler */
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if (at_start != 0) /* Skip initial filler */
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++sp;
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else /* Skip initial channel and, for sp, the filler */
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sp += 2, ++dp;
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@@ -466,7 +466,7 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
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else if (row_info->bit_depth == 16)
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{
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if (at_start) /* Skip initial filler */
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if (at_start != 0) /* Skip initial filler */
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sp += 2;
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else /* Skip initial channel and, for sp, the filler */
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sp += 4, dp += 2;
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@@ -492,7 +492,7 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
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{
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if (row_info->bit_depth == 8)
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{
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if (at_start) /* Skip initial filler */
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if (at_start != 0) /* Skip initial filler */
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++sp;
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else /* Skip initial channels and, for sp, the filler */
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sp += 4, dp += 3;
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@@ -506,7 +506,7 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
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else if (row_info->bit_depth == 16)
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{
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if (at_start) /* Skip initial filler */
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if (at_start != 0) /* Skip initial filler */
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sp += 2;
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else /* Skip initial channels and, for sp, the filler */
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sp += 8, dp += 6;
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