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-rw-r--r--pngwutil.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/pngwutil.c b/pngwutil.c
index cf2416ffc..8f9b7f5e9 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -25,6 +25,7 @@ png_save_uint_32(png_bytep buf, png_uint_32 i)
buf[3] = (png_byte)(i & 0xff);
}
+#if defined(PNG_SAVE_INT_32_SUPPORTED)
/* The png_save_int_32 function assumes integers are stored in two's
* complement format. If this isn't the case, then this routine needs to
* be modified to write data in two's complement format.
@@ -37,6 +38,7 @@ png_save_int_32(png_bytep buf, png_int_32 i)
buf[2] = (png_byte)((i >> 8) & 0xff);
buf[3] = (png_byte)(i & 0xff);
}
+#endif
/* Place a 16-bit number into a buffer in PNG byte order.
* The parameter is declared unsigned int, not png_uint_16,