b8ff9357d
Denys Vlasenko
2011-12-05
Subject
suppress a "integer overflow in expression" waring on big endian. Closes 4405
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include/bb_archive.h+3 -2
| @@ -12,9 +12,10 @@ enum { | |
| /* .xz signature: 0xfd, '7', 'z', 'X', 'Z', 0x00 */ | |
| /* More info at: http://tukaani.org/xz/xz-file-format.txt */ | |
| XZ_MAGIC1 = 256 * 0xfd + '7', | |
| - | XZ_MAGIC2 = 256 * (256 * (256 * 'z' + 'X') + 'Z') + 0, |
| + | XZ_MAGIC2 = 256 * (unsigned)(256 * (256 * 'z' + 'X') + 'Z') + 0, |
| /* Different form: 32 bits, then 16 bits: */ | |
| - | XZ_MAGIC1a = 256 * (256 * (256 * 0xfd + '7') + 'z') + 'X', |
| + | /* (unsigned) cast suppresses "integer overflow in expression" warning */ |
| + | XZ_MAGIC1a = 256 * (unsigned)(256 * (256 * 0xfd + '7') + 'z') + 'X', |
| XZ_MAGIC2a = 256 * 'Z' + 0, | |
| #else | |
| COMPRESS_MAGIC = 0x9d1f, | |