Added SILC Thread Queue API

[silc.git] / lib / silcutil / silcfileutil.h

diff --git a/lib/silcutil/silcfileutil.h b/lib/silcutil/silcfileutil.h
index 76892b275d89ce816f868dc770a4c3a41c013072..b3b0312c31b14cac69ea23e78f411bf9657dfc7c 100644 (file)
--- a/lib/silcutil/silcfileutil.h
+++ b/lib/silcutil/silcfileutil.h
@@ -1,10 +1,10 @@
 /*
 
-  silcfileutil.h 
+  silcfileutil.h
 
   Author: Pekka Riikonen <priikone@silcnet.org>
 
-  Copyright (C) 1997 - 2002 Pekka Riikonen
+  Copyright (C) 1997 - 2007 Pekka Riikonen
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -17,10 +17,12 @@
 
 */
 
-/****h* silcutil/SilcFileUtilAPI
+/****h* silcutil/SILC File Util Interface
  *
  * DESCRIPTION
  *
+ *    The SILC File Util Interface is a small set of functions that provides a
+ *    portable access method to the filesystem.
  *
  ***/
 
@@ -29,15 +31,161 @@
 
 /* Prototypes */
 
+/****f* silcutil/SilcFileUtilAPI/silc_file_open
+ *
+ * SYNOPSIS
+ *
+ *    int silc_file_open(const char *filename, int flags);
+ *
+ * DESCRIPTION
+ *
+ *    Opens a file indicated by the filename `filename' with flags indicated
+ *    by `flags'.  The opening permission defaults to 0600.  The `flags'
+ *    are defined in open(2).  Returns the opened file descriptor or -1 on
+ *    error.
+ *
+ ***/
 int silc_file_open(const char *filename, int flags);
+
+/****f* silcutil/SilcFileUtilAPI/silc_file_open_mode
+ *
+ * SYNOPSIS
+ *
+ *    int silc_file_open_mode(const char *filename, int flags, int mode);
+ *
+ * DESCRIPTION
+ *
+ *    Opens a file indicated by the filename `filename' with flags indicated
+ *    by `flags'.  The argument `mode' specifies the permissions to use in
+ *    case a new file is created.  The `flags' are defined in open(2).
+ *    Returns the opened file descriptor or -1 on error and sets silc_errno.
+ *
+ ***/
 int silc_file_open_mode(const char *filename, int flags, int mode);
+
+/****f* silcutil/SilcFileUtilAPI/silc_file_read
+ *
+ * SYNOPSIS
+ *
+ *    int silc_file_read(int fd, unsigned char *buf, SilcUInt32 buf_len);
+ *
+ * DESCRIPTION
+ *
+ *    Reads data from file descriptor `fd' to `buf'.  Returns the amount of
+ *    bytes read, 0 on EOF or -1 on error and sets silc_errno.
+ *
+ ***/
 int silc_file_read(int fd, unsigned char *buf, SilcUInt32 buf_len);
+
+/****f* silcutil/SilcFileUtilAPI/silc_file_write
+ *
+ * SYNOPSIS
+ *
+ *    int silc_file_write(int fd, const char *buffer, SilcUInt32 len);
+ *
+ * DESCRIPTION
+ *
+ *    Writes `buffer' of length of `len' to file descriptor `fd'.  Returns
+ *    the amount of bytes written, 0 on EOF or -1 on error and sets silc_errno.
+ *
+ ***/
 int silc_file_write(int fd, const char *buffer, SilcUInt32 len);
+
+/****f* silcutil/SilcFileUtilAPI/silc_file_close
+ *
+ * SYNOPSIS
+ *
+ *    int silc_file_close(int fd);
+ *
+ * DESCRIPTION
+ *
+ *    Closes file descriptor previously opened with silc_file_open().
+ *    Returns 0 on success or -1 on error and sets silc_errno.
+ *
+ ***/
 int silc_file_close(int fd);
-char *silc_file_readfile(const char *filename, SilcUInt32 *return_len);
-int silc_file_writefile(const char *filename, const char *buffer, SilcUInt32 len);
-int silc_file_writefile_mode(const char *filename, const char *buffer, 
+
+/****f* silcutil/SilcFileUtilAPI/silc_file_set_nonblock
+ *
+ * SYNOPSIS
+ *
+ *    int silc_file_set_nonblock(int fd);
+ *
+ * DESCRIPTION
+ *
+ *    Sets the file descriptor to non-blocking mode.
+ *
+ ***/
+int silc_file_set_nonblock(int fd);
+
+/****f* silcutil/SilcFileUtilAPI/silc_file_readfile
+ *
+ * SYNOPSIS
+ *
+ *    char *silc_file_readfile(const char *filename, SilcUInt32 *return_len,
+ *                             SilcStack stack);
+ *
+ * DESCRIPTION
+ *
+ *    Reads the content of `filename' to a buffer.  The allocated buffer is
+ *    returned.  This does not NULL terminate the buffer but EOF terminate
+ *    it.  The caller must replace the EOF with NULL if the buffer must be
+ *    NULL terminated.
+ *
+ *    If the `return_len' pointer is not NULL, it's filled with the length of
+ *    the file.
+ *
+ *    If `stack' is non-NULL the returned buffer is allocated from `stack'.
+ *    The allocation consumes `stack' so caller should push the stack before
+ *    calling this function and pop it later.
+ *
+ ***/
+char *silc_file_readfile(const char *filename, SilcUInt32 *return_len,
+                        SilcStack stack);
+
+/****f* silcutil/SilcFileUtilAPI/silc_file_writefile
+ *
+ * SYNOPSIS
+ *
+ *    int silc_file_writefile(const char *filename, const char *buffer,
+ *                            SilcUInt32 len);
+ *
+ * DESCRIPTION
+ *
+ *    Writes a buffer to the file.  If the file is created specific mode is
+ *    set to the file.
+ *
+ ***/
+int silc_file_writefile(const char *filename, const char *buffer,
+                       SilcUInt32 len);
+
+/****f* silcutil/SilcFileUtilAPI/silc_file_writefile_mode
+ *
+ * SYNOPSIS
+ *
+ *    int silc_file_writefile_mode(const char *filename, const char *buffer,
+ *                                 SilcUInt32 len, int mode);
+ *
+ * DESCRIPTION
+ *
+ *    Writes a buffer to the file.  If the file is created the specified `mode'
+ *    is set to the file.
+ *
+ ***/
+int silc_file_writefile_mode(const char *filename, const char *buffer,
                             SilcUInt32 len, int mode);
+
+/****f* silcutil/SilcFileUtilAPI/silc_file_size
+ *
+ * SYNOPSIS
+ *
+ *    SilcUInt64 silc_file_size(const char *filename);
+ *
+ * DESCRIPTION
+ *
+ *    Returns the size of `filename'. Returns 0 on error.
+ *
+ ***/
 SilcUInt64 silc_file_size(const char *filename);
 
-#endif /* SILCFILEUTIL_H */
+#endif /* !SILCFILEUTIL_H */