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static int | translate_unix_perms (enum GNUNET_DISK_AccessPermissions perm) |
| Translate GNUnet-internal permission bitmap to UNIX file access permission bitmap. More...
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static enum GNUNET_GenericReturnValue | get_size_rec (void *cls, const char *fn) |
| Iterate over all files in the given directory and accumulate their size. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_handle_invalid (const struct GNUNET_DISK_FileHandle *h) |
| Checks whether a handle is invalid. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_file_handle_size (struct GNUNET_DISK_FileHandle *fh, off_t *size) |
| Get the size of an open file. More...
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off_t | GNUNET_DISK_file_seek (const struct GNUNET_DISK_FileHandle *h, off_t offset, enum GNUNET_DISK_Seek whence) |
| Move the read/write pointer in a file. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_file_size (const char *filename, uint64_t *size, int include_symbolic_links, int single_file_mode) |
| Get the size of the file (or directory) of the given file (in bytes). More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_file_get_identifiers (const char *filename, uint64_t *dev, uint64_t *ino) |
| Obtain some unique identifiers for the given file that can be used to identify it in the local system. More...
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static char * | mktemp_name (const char *t) |
| Create the name for a temporary file or directory from a template. More...
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void | GNUNET_DISK_fix_permissions (const char *fn, int require_uid_match, int require_gid_match) |
| Update POSIX permissions mask of a file on disk. More...
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char * | GNUNET_DISK_mkdtemp (const char *t) |
| Create an (empty) temporary directory on disk. More...
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void | GNUNET_DISK_file_backup (const char *fil) |
| Move a file out of the way (create a backup) by renaming it to "orig.NUM~" where NUM is the smallest number that is not used yet. More...
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char * | GNUNET_DISK_mktemp (const char *t) |
| Create an (empty) temporary file on disk. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_directory_test (const char *fil, int is_readable) |
| Test if fil is a directory and listable. More...
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static enum GNUNET_GenericReturnValue | file_test_internal (const char *fil, int amode) |
| Check if fil can be accessed using amode. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_file_test (const char *fil) |
| Check that fil corresponds to a filename (of a file that exists and that is not a directory). More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_file_test_read (const char *fil) |
| Check that fil corresponds to a filename and the file has read permissions. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_directory_create (const char *dir) |
| Implementation of "mkdir -p". More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_directory_create_for_file (const char *filename) |
| Create the directory structure for storing a file. More...
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ssize_t | GNUNET_DISK_file_read (const struct GNUNET_DISK_FileHandle *h, void *result, size_t len) |
| Read the contents of a binary file into a buffer. More...
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ssize_t | GNUNET_DISK_file_read_non_blocking (const struct GNUNET_DISK_FileHandle *h, void *result, size_t len) |
| Read the contents of a binary file into a buffer. More...
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ssize_t | GNUNET_DISK_fn_read (const char *fn, void *result, size_t len) |
| Read the contents of a binary file into a buffer. More...
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ssize_t | GNUNET_DISK_file_write (const struct GNUNET_DISK_FileHandle *h, const void *buffer, size_t n) |
| Write a buffer to a file. More...
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ssize_t | GNUNET_DISK_file_write_blocking (const struct GNUNET_DISK_FileHandle *h, const void *buffer, size_t n) |
| Write a buffer to a file, blocking, if necessary. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_fn_write (const char *fn, const void *buf, size_t buf_size, enum GNUNET_DISK_AccessPermissions mode) |
| Write a buffer to a file atomically. More...
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int | GNUNET_DISK_directory_scan (const char *dir_name, GNUNET_FileNameCallback callback, void *callback_cls) |
| Scan a directory for files. More...
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static bool | glob_match (const char *pattern, const char *str) |
| Check for a simple wildcard match. More...
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static enum GNUNET_GenericReturnValue | glob_cb (void *cls, const char *filename) |
| Function called with a filename. More...
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int | GNUNET_DISK_glob (const char *glob_pattern, GNUNET_FileNameCallback callback, void *callback_cls) |
| Find all files matching a glob pattern. More...
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static enum GNUNET_GenericReturnValue | remove_helper (void *unused, const char *fn) |
| Function that removes the given directory by calling GNUNET_DISK_directory_remove(). More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_directory_remove (const char *filename) |
| Remove all files in a directory (rm -rf). More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_file_copy (const char *src, const char *dst) |
| Copy a file. More...
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void | GNUNET_DISK_filename_canonicalize (char *fn) |
| Removes special characters as ':' from a filename. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_file_change_owner (const char *filename, const char *user) |
| Change owner of a file. More...
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struct GNUNET_DISK_FileHandle * | GNUNET_DISK_file_open (const char *fn, enum GNUNET_DISK_OpenFlags flags, enum GNUNET_DISK_AccessPermissions perm) |
| Open a file. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_file_close (struct GNUNET_DISK_FileHandle *h) |
| Close an open file. More...
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struct GNUNET_DISK_FileHandle * | GNUNET_DISK_get_handle_from_int_fd (int fno) |
| Get a handle from a native integer FD. More...
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struct GNUNET_DISK_FileHandle * | GNUNET_DISK_get_handle_from_native (FILE *fd) |
| Get a handle from a native FD. More...
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void * | GNUNET_DISK_file_map (const struct GNUNET_DISK_FileHandle *h, struct GNUNET_DISK_MapHandle **m, enum GNUNET_DISK_MapType access, size_t len) |
| Map a file into memory. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_file_unmap (struct GNUNET_DISK_MapHandle *h) |
| Unmap a file. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_file_sync (const struct GNUNET_DISK_FileHandle *h) |
| Write file changes to disk. More...
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struct GNUNET_DISK_PipeHandle * | GNUNET_DISK_pipe (enum GNUNET_DISK_PipeFlags pf) |
| Creates an interprocess channel. More...
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struct GNUNET_DISK_PipeHandle * | GNUNET_DISK_pipe_from_fd (enum GNUNET_DISK_PipeFlags pf, int fd[2]) |
| Creates a pipe object from a couple of file descriptors. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_pipe_close_end (struct GNUNET_DISK_PipeHandle *p, enum GNUNET_DISK_PipeEnd end) |
| Closes one half of an interprocess channel. More...
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struct GNUNET_DISK_FileHandle * | GNUNET_DISK_pipe_detach_end (struct GNUNET_DISK_PipeHandle *p, enum GNUNET_DISK_PipeEnd end) |
| Detaches one of the ends from the pipe. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_pipe_close (struct GNUNET_DISK_PipeHandle *p) |
| Closes an interprocess channel. More...
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const struct GNUNET_DISK_FileHandle * | GNUNET_DISK_pipe_handle (const struct GNUNET_DISK_PipeHandle *p, enum GNUNET_DISK_PipeEnd n) |
| Get the handle to a particular pipe end. More...
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enum GNUNET_GenericReturnValue | GNUNET_DISK_internal_file_handle_ (const struct GNUNET_DISK_FileHandle *fh, void *dst, size_t dst_len) |
| Retrieve OS file handle. More...
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static enum GNUNET_GenericReturnValue | purge_cfg_dir (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg) |
| Helper function for GNUNET_DISK_purge_cfg_dir. More...
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void | GNUNET_DISK_purge_cfg_dir (const char *cfg_filename, const char *option) |
| Remove the directory given under option in section [PATHS] in configuration under cfg_filename. More...
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disk IO convenience methods
- Author
- Christian Grothoff
-
Nils Durner
Definition in file disk.c.