diff options
Diffstat (limited to 'Utilities/cmlibarchive/libarchive/archive_read_support_format_lha.c')
| -rw-r--r-- | Utilities/cmlibarchive/libarchive/archive_read_support_format_lha.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_read_support_format_lha.c b/Utilities/cmlibarchive/libarchive/archive_read_support_format_lha.c index eff02d8146..ebd7f2ccb2 100644 --- a/Utilities/cmlibarchive/libarchive/archive_read_support_format_lha.c +++ b/Utilities/cmlibarchive/libarchive/archive_read_support_format_lha.c @@ -924,6 +924,9 @@ lha_read_file_header_1(struct archive_read *a, struct lha *lha) /* Get a real compressed file size. */ lha->compsize -= extdsize - 2; + if (lha->compsize < 0) + goto invalid; /* Invalid compressed file size */ + if (sum_calculated != headersum) { archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, "LHa header sum error"); @@ -1711,14 +1714,18 @@ lha_crc16(uint16_t crc, const void *pp, size_t len) */ for (;len >= 8; len -= 8) { /* This if statement expects compiler optimization will - * remove the stament which will not be executed. */ + * remove the statement which will not be executed. */ +#undef bswap16 #ifndef __has_builtin # define __has_builtin(x) 0 #endif #if defined(_MSC_VER) && _MSC_VER >= 1400 /* Visual Studio */ # define bswap16(x) _byteswap_ushort(x) -#elif (defined(__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 8) \ - || (defined(__clang__) && __has_builtin(__builtin_bswap16)) +#elif defined(__GNUC__) && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 8) || __GNUC__ > 4) +/* GCC 4.8 and later has __builtin_bswap16() */ +# define bswap16(x) __builtin_bswap16(x) +#elif defined(__clang__) && __has_builtin(__builtin_bswap16) +/* All clang versions have __builtin_bswap16() */ # define bswap16(x) __builtin_bswap16(x) #else # define bswap16(x) ((((x) >> 8) & 0xff) | ((x) << 8)) |