diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/memchr.valgrind | 14 | ||||
| -rw-r--r-- | lib/memchr2.valgrind | 14 |
2 files changed, 28 insertions, 0 deletions
diff --git a/lib/memchr.valgrind b/lib/memchr.valgrind new file mode 100644 index 0000000000..60f247e10d --- /dev/null +++ b/lib/memchr.valgrind @@ -0,0 +1,14 @@ +# Suppress a valgrind message about use of uninitialized memory in memchr(). +# POSIX states that when the character is found, memchr must not read extra +# bytes in an overestimated length (for example, where memchr is used to +# implement strnlen). However, we use a safe word read to provide a speedup. +{ + memchr-value4 + Memcheck:Value4 + fun:rpl_memchr +} +{ + memchr-value8 + Memcheck:Value8 + fun:rpl_memchr +} diff --git a/lib/memchr2.valgrind b/lib/memchr2.valgrind new file mode 100644 index 0000000000..778fe867dc --- /dev/null +++ b/lib/memchr2.valgrind @@ -0,0 +1,14 @@ +# Suppress a valgrind message about use of uninitialized memory in memchr2(). +# Like memchr, it is safe to overestimate the length when the terminator +# is guaranteed to be found. In this case, we may end up reading a word +# that is partially uninitialized, but this use is OK for a speedup. +{ + memchr2-value4 + Memcheck:Value4 + fun:memchr2 +} +{ + memchr2-value8 + Memcheck:Value8 + fun:memchr2 +} |