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Fix sync_file_range() with musl 1.2.4 #36

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Fix sync_file_range() with musl 1.2.4 #36

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2 changes: 2 additions & 0 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,8 @@ AC_CHECK_HEADERS_ONCE(pthread.h)
AC_CHECK_SIZEOF(mode_t)
AC_CHECK_SIZEOF(int)

AC_CHECK_TYPES([off64_t])

AC_CHECK_TYPE(pthread_barrier_t,,,[
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
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11 changes: 9 additions & 2 deletions libeatmydata/libeatmydata.c
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,12 @@
#define CHECK_FILE "/tmp/eatmydata"
*/

#ifdef HAVE_OFF64_T
typedef off64_t sync_file_range_off;
#else
typedef off_t sync_file_range_off;
#endif

typedef int (*libc_open_t)(const char*, int, ...);
#ifdef HAVE_OPEN64
typedef int (*libc_open64_t)(const char*, int, ...);
Expand All @@ -44,7 +50,7 @@ typedef int (*libc_sync_t)(void);
typedef int (*libc_fdatasync_t)(int);
typedef int (*libc_msync_t)(void*, size_t, int);
#ifdef HAVE_SYNC_FILE_RANGE
typedef int (*libc_sync_file_range_t)(int, off64_t, off64_t, unsigned int);
typedef int (*libc_sync_file_range_t)(int, sync_file_range_off, sync_file_range_off, unsigned int);
#endif
#ifdef HAVE_SYNCFS
typedef int (*libc_syncfs_t)(int);
Expand Down Expand Up @@ -259,7 +265,8 @@ int LIBEATMYDATA_API msync(void *addr, size_t length, int flags)
}

#ifdef HAVE_SYNC_FILE_RANGE
int LIBEATMYDATA_API sync_file_range(int fd, off64_t offset, off64_t nbytes,
int LIBEATMYDATA_API sync_file_range(int fd, sync_file_range_off offset,
sync_file_range_off nbytes,
unsigned int flags)
{
if (eatmydata_is_hungry()) {
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