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mdbx: add STATIC_ASSERT_MSG, refine STATIC_ASSERT.

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This commit is contained in:
Leo Yuriev
2017-05-26 17:11:48 +03:00
parent b038767a18
commit 18cf804d0b
3 changed files with 23 additions and 15 deletions
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20
src/osal.c
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@@ -407,8 +407,8 @@ int mdbx_pread(mdbx_filehandle_t fd, void *buf, size_t bytes, uint64_t offset) {
return (rc == MDBX_SUCCESS) ? /* paranoia */ ERROR_READ_FAULT : rc;
}
#else
STATIC_ASSERT(sizeof(off_t) >= sizeof(size_t),
"libmdbx requires 64-bit file I/O on 64-bit systems");
STATIC_ASSERT_MSG(sizeof(off_t) >= sizeof(size_t),
"libmdbx requires 64-bit file I/O on 64-bit systems");
ssize_t read = pread(fd, buf, bytes, offset);
if (read < 0) {
int rc = errno;
@@ -437,8 +437,8 @@ int mdbx_pwrite(mdbx_filehandle_t fd, const void *buf, size_t bytes,
int rc;
ssize_t written;
do {
STATIC_ASSERT(sizeof(off_t) >= sizeof(size_t),
"libmdbx requires 64-bit file I/O on 64-bit systems");
STATIC_ASSERT_MSG(sizeof(off_t) >= sizeof(size_t),
"libmdbx requires 64-bit file I/O on 64-bit systems");
written = pwrite(fd, buf, bytes, offset);
if (likely(bytes == (size_t)written))
return MDBX_SUCCESS;
@@ -465,8 +465,8 @@ int mdbx_pwritev(mdbx_filehandle_t fd, struct iovec *iov, int iovcnt,
int rc;
ssize_t written;
do {
STATIC_ASSERT(sizeof(off_t) >= sizeof(size_t),
"libmdbx requires 64-bit file I/O on 64-bit systems");
STATIC_ASSERT_MSG(sizeof(off_t) >= sizeof(size_t),
"libmdbx requires 64-bit file I/O on 64-bit systems");
written = pwritev(fd, iov, iovcnt, offset);
if (likely(expected_written == (size_t)written))
return MDBX_SUCCESS;
@@ -556,8 +556,8 @@ int mdbx_filesize(mdbx_filehandle_t fd, uint64_t *length) {
#else
struct stat st;
STATIC_ASSERT(sizeof(off_t) <= sizeof(uint64_t),
"libmdbx requires 64-bit file I/O on 64-bit systems");
STATIC_ASSERT_MSG(sizeof(off_t) <= sizeof(uint64_t),
"libmdbx requires 64-bit file I/O on 64-bit systems");
if (fstat(fd, &st))
return errno;
@@ -574,8 +574,8 @@ int mdbx_ftruncate(mdbx_filehandle_t fd, uint64_t length) {
? MDBX_SUCCESS
: mdbx_get_errno_checked();
#else
STATIC_ASSERT(sizeof(off_t) >= sizeof(size_t),
"libmdbx requires 64-bit file I/O on 64-bit systems");
STATIC_ASSERT_MSG(sizeof(off_t) >= sizeof(size_t),
"libmdbx requires 64-bit file I/O on 64-bit systems");
return ftruncate(fd, length) == 0 ? MDBX_SUCCESS : errno;
#endif
}