Verified Commit c73e68eb authored by Marc Vef's avatar Marc Vef
Browse files

Avoid nullptr in gkfsfunctions

parent 4330fdb5

src/client/gkfs_functions.cpp

+12 −0
Original line number Diff line number Diff line
@@ -1030,6 +1030,8 @@ gkfs_write_ws(gkfs::filemap::OpenFile& file, const char* buf, size_t count, 
ssize_t

gkfs_pwrite(int fd, const void* buf, size_t count, off64_t offset) {

    auto file = CTX->file_map()->get(fd);

    if(!file)

        return 0;

    return gkfs_write_ws(*file, reinterpret_cast<const char*>(buf), count,

                         offset);

}
@@ -1066,6 +1068,8 @@ ssize_t 
gkfs_pwritev(int fd, const struct iovec* iov, int iovcnt, off_t offset) {



    auto file = CTX->file_map()->get(fd);

    if(!file)

        return 0;

    auto pos = offset; // keep track of current position

    ssize_t written = 0;

    ssize_t ret;
@@ -1105,6 +1109,8 @@ ssize_t 
gkfs_writev(int fd, const struct iovec* iov, int iovcnt) {



    auto gkfs_fd = CTX->file_map()->get(fd);

    if(!gkfs_fd)

        return 0;

    auto pos = gkfs_fd->pos(); // retrieve the current offset

    auto ret = gkfs_pwritev(fd, iov, iovcnt, pos);

    assert(ret != 0);
@@ -1204,6 +1210,8 @@ gkfs_read_ws(const gkfs::filemap::OpenFile& file, char* buf, size_t count, 
ssize_t

gkfs_pread(int fd, void* buf, size_t count, off64_t offset) {

    auto gkfs_fd = CTX->file_map()->get(fd);

    if(!gkfs_fd)

        return 0;

    return gkfs_read_ws(*gkfs_fd, reinterpret_cast<char*>(buf), count, offset);

}
@@ -1242,6 +1250,8 @@ ssize_t 
gkfs_preadv(int fd, const struct iovec* iov, int iovcnt, off_t offset) {



    auto file = CTX->file_map()->get(fd);

    if(!file)

        return 0;

    auto pos = offset; // keep track of current position

    ssize_t read = 0;

    ssize_t ret;
@@ -1281,6 +1291,8 @@ ssize_t 
gkfs_readv(int fd, const struct iovec* iov, int iovcnt) {



    auto gkfs_fd = CTX->file_map()->get(fd);

    if(!gkfs_fd)

        return 0;

    auto pos = gkfs_fd->pos(); // retrieve the current offset

    auto ret = gkfs_preadv(fd, iov, iovcnt, pos);

    assert(ret != 0);