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POSIX compatible ftruncate() for Windows

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This commit is contained in:
Markus Armbruster 2008-02-26 20:05:36 +01:00
parent adbcdf4335
commit 3c5fa553bb
2 changed files with 10 additions and 0 deletions
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9
src/lib/w32/posixio.c
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@ -412,6 +412,15 @@ posix_fsync(int fd)
FILE_FUNCTION(FDMAP_IO_FILE, _commit(handle)) FILE_FUNCTION(FDMAP_IO_FILE, _commit(handle))
} }
/*
* POSIX ftruncate()
*/
int
ftruncate(int fd, off_t length)
{
FILE_FUNCTION(FDMAP_IO_FILE, _chsize(handle, length))
}
/* /*
* POSIX equivalent for fstat(). * POSIX equivalent for fstat().
* fstat() is used instead of _fstat(), * fstat() is used instead of _fstat(),

1
src/lib/w32/unistd.h
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@ -127,6 +127,7 @@ extern int fcntl(int fd, int cmd, ...);
posix_write((fd), (buffer), (count)) posix_write((fd), (buffer), (count))
#define fsync(fd) \ #define fsync(fd) \
posix_fsync((fd)) posix_fsync((fd))
extern int ftruncate(int fd, off_t length);
extern int posix_close(int fd); extern int posix_close(int fd);
extern off_t posix_lseek(int fd, off_t offset, int origin); extern off_t posix_lseek(int fd, off_t offset, int origin);
extern ssize_t posix_read(int fd, void *buffer, size_t count); extern ssize_t posix_read(int fd, void *buffer, size_t count);