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MONGOC_GRIDFS_FILE_SEEK(3) libmongoc MONGOC_GRIDFS_FILE_SEEK(3) SYNOPSIS int mongoc_gridfs_file_seek (mongoc_gridfs_file_t *file, int64_t delta, int whence); PARAMETERS • file: A mongoc_gridfs_file_t. • delta: The amount to move the file position. May be positive or nega- tive. • whence: One of SEEK_SET, SEEK_CUR or SEEK_END. DESCRIPTION Adjust the file position pointer in the given file by delta, starting from the position whence. The whence argument is interpreted as in fseek(2): +----------+----------------------------+ | SEEK_SET | Set the position relative | | | to the start of the file. | +----------+----------------------------+ | SEEK_CUR | Move delta relative to the | | | current file position. | +----------+----------------------------+ | SEEK_END | Move delta relative to the | | | end of the file. | +----------+----------------------------+ On success, the file's underlying position pointer is set appropri- ately. On failure, the file position is NOT changed and errno is set to indicate the error. ERRORS +--------+----------------------------+ | EINVAL | whence is not one of | | | SEEK_SET, SEEK_CUR or | | | SEEK_END. | +--------+----------------------------+ | EINVAL | The resulting file posi- | | | tion would be negative. | +--------+----------------------------+ RETURNS Returns 0 if successful; otherwise -1 and errno is set. AUTHOR MongoDB, Inc COPYRIGHT 2009-present, MongoDB, Inc. 1.30.2 Apr 12, 2025 MONGOC_GRIDFS_FILE_SEEK(3)
SYNOPSIS | PARAMETERS | DESCRIPTION | ERRORS | RETURNS | AUTHOR | COPYRIGHT
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