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mdbx: fix Valgrind issue (minor).

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Change-Id: Ia651a29a0eac7a1279dd7cb30b3247a1f41ab37e
This commit is contained in:
Leonid Yuriev 2019-12-03 15:38:02 +03:00
parent 398b90fb1c
commit 5cb7989e8d
2 changed files with 12 additions and 5 deletions
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4
src/elements/core.c
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@ -3699,6 +3699,8 @@ static __cold int mdbx_mapresize(MDBX_env *env, const pgno_t used_pgno,
mdbx_assert(env, limit_bytes >= size_bytes);
mdbx_assert(env, bytes2pgno(env, size_bytes) >= size_pgno);
mdbx_assert(env, bytes2pgno(env, limit_bytes) >= limit_pgno);
const size_t prev_limit = env->me_dxb_mmap.limit;
const void *const prev_addr = env->me_map;
#if defined(_WIN32) || defined(_WIN64)
/* Acquire guard in exclusive mode for:
@ -3739,8 +3741,6 @@ static __cold int mdbx_mapresize(MDBX_env *env, const pgno_t used_pgno,
goto bailout;
#endif /* Windows */
const size_t prev_limit = env->me_dxb_mmap.limit;
const void *const prev_addr = env->me_map;
const size_t prev_size = env->me_dxb_mmap.current;
if (size_bytes < prev_size) {
mdbx_notice("resize-MADV_%s %u..%u",

13
src/elements/osal.c
View File

@ -1134,17 +1134,24 @@ static int mdbx_check_fs_local(mdbx_filehandle_t handle, int flags) {
#if defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || \
(defined(_DEFAULT_SOURCE) && __GLIBC_PREREQ(2, 19))
struct mntent entbuf;
const bool should_copy = false;
while (nullptr !=
(ent = getmntent_r(mounted, &entbuf, pathbuf, sizeof(pathbuf))))
#else
const bool should_copy = true;
while (nullptr != (ent = getmntent(mounted))))
#endif
{
struct stat mnt;
if (!stat(ent->mnt_dir, &mnt) && mnt.st_dev == st.st_dev) {
name =
strncpy(pathbuf, ent->mnt_fsname, name_len = sizeof(pathbuf) - 1);
pathbuf[name_len] = 0;
if (should_copy) {
name =
strncpy(pathbuf, ent->mnt_fsname, name_len = sizeof(pathbuf) - 1);
pathbuf[name_len] = 0;
} else {
name = ent->mnt_fsname;
name_len = strlen(name);
}
break;
}
}