project-base/server-skynet-source-3rd-jemalloc
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Fix overflow in prng_range().

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Add jemalloc_ffs64() and use it instead of jemalloc_ffsl() in
prng_range(), since long is not guaranteed to be a 64-bit type.
This commit is contained in:
Jason Evans
2016-02-20 23:41:33 -08:00
parent aac93f414e
commit ecae12323d
5 changed files with 40 additions and 6 deletions
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8
include/jemalloc/internal/jemalloc_internal_defs.h.in
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@@ -189,9 +189,10 @@
#undef JEMALLOC_TLS
/*
* ffs()/ffsl() functions to use for bitmapping. Don't use these directly;
* instead, use jemalloc_ffs() or jemalloc_ffsl() from util.h.
* ffs*() functions to use for bitmapping. Don't use these directly; instead,
* use jemalloc_ffs*() from util.h.
*/
#undef JEMALLOC_INTERNAL_FFSLL
#undef JEMALLOC_INTERNAL_FFSL
#undef JEMALLOC_INTERNAL_FFS
@@ -241,6 +242,9 @@
/* sizeof(long) == 2^LG_SIZEOF_LONG. */
#undef LG_SIZEOF_LONG
/* sizeof(long long) == 2^LG_SIZEOF_LONG_LONG. */
#undef LG_SIZEOF_LONG_LONG
/* sizeof(intmax_t) == 2^LG_SIZEOF_INTMAX_T. */
#undef LG_SIZEOF_INTMAX_T