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fix ftruncate operation

This commit is contained in:
Peter Hatina 2012-10-02 18:50:46 +02:00
parent 10e78cbb90
commit 88e3a2e2b4
2 changed files with 11 additions and 1 deletions
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10
src/simple-mtpfs-fuse.cpp
View File

@ -167,6 +167,11 @@ int wrap_create(const char *path, mode_t mode, fuse_file_info *file_info)
return SMTPFileSystem::instance()->create(path, mode, file_info);
}
int wrap_ftruncate(const char *path, off_t offset, struct fuse_file_info *file_info)
{
return SMTPFileSystem::instance()->ftruncate(path, offset, file_info);
}
// -----------------------------------------------------------------------------
std::unique_ptr<SMTPFileSystem> SMTPFileSystem::s_instance;
@ -217,6 +222,7 @@ SMTPFileSystem::SMTPFileSystem():
m_fuse_operations.destroy = nullptr;
m_fuse_operations.access = nullptr;
m_fuse_operations.create = wrap_create;
m_fuse_operations.ftruncate = wrap_ftruncate;
}
SMTPFileSystem::~SMTPFileSystem()
@ -621,6 +627,10 @@ int SMTPFileSystem::fsyncdir(const char *path, int datasync,
int SMTPFileSystem::ftruncate(const char *path, off_t offset,
struct fuse_file_info *file_info)
{
const TypeTmpFile *tmp_file = m_tmp_files_pool.getFile(file_info->fh);
if (::ftruncate(file_info->fh, offset) != 0)
return -errno;
const_cast<TypeTmpFile*>(tmp_file)->setModified();
return 0;
}

2
src/simple-mtpfs-fuse.h
View File

@ -101,7 +101,7 @@ public:
int readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *file_info);
int releasedir(const char *path, struct fuse_file_info *file_info);
int fsyncdir(const char *path, int datasync, struct fuse_file_info *file_info);
int truncate(const char *path, off_t offset, struct fuse_file_info *file_info);
int ftruncate(const char *path, off_t offset, struct fuse_file_info *file_info);
void* init(struct fuse_conn_info *conn);
int create(const char *path, mode_t mode, fuse_file_info *file_info);