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make hexbyte more self-documenting

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1 parent ffe8694 commit c698f85dca4494e266784708f426bf6af70c97b2 @zhemao zhemao committed
Showing with 3 additions and 3 deletions.
  1. +3 −3 src/bson.c
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6 src/bson.c
@@ -117,11 +117,11 @@ MONGO_EXPORT const char *bson_data( const bson *b ) {
static char hexbyte( char hex ) {
if (hex >= '0' && hex <= '9')
- return (hex - 0x30);
+ return (hex - '0');
else if (hex >= 'A' && hex <= 'F')
- return (hex - 0x37);
+ return (hex - 'A' + 10);
else if (hex >= 'a' && hex <= 'f')
- return (hex - 0x57);
+ return (hex - 'a' + 10);
else
return 0x0;
}

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