Make the to_hex take an unsigned int in both cases as shifting right

jmlait · jmlait · commit 3c2ee3d82d26 · 2023-04-11T16:13:44.000-04:00
will promote char anyways.

Signed-off-by: Jeff Lait &lt;jlait@andorra.sidefx.com&gt;
diff --git a/openvdb/openvdb/io/Archive.cc b/openvdb/openvdb/io/Archive.cc
@@ -1027,7 +1027,7 @@ Archive::readHeader(std::istream& is)
         char uuidBytes[16];
         is.read(uuidBytes, 16);
         char uuidStr[33];
-        auto to_hex = [](char c) -> char
+        auto to_hex = [](unsigned int c) -> char
         {
             c &= 0xf;
             if (c < 10) return (char)('0' + c);

Original file line number	Diff line number	Diff line change
`@@ -1027,7 +1027,7 @@ Archive::readHeader(std::istream& is)`
`1027`	`1027`	`char uuidBytes[16];`
`1028`	`1028`	`is.read(uuidBytes, 16);`
`1029`	`1029`	`char uuidStr[33];`
`1030`		`- auto to_hex = [](char c) -> char`
	`1030`	`+ auto to_hex = [](unsigned int c) -> char`
`1031`	`1031`	`{`
`1032`	`1032`	`c &= 0xf;`
`1033`	`1033`	`if (c < 10) return (char)('0' + c);`