1.\" Copyright (c) 2011 Kai Wang 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $Id: dwarf_add_directory_decl.3 2072 2011-10-27 03:26:49Z jkoshy $ 26.\" 27.Dd September 17, 2011 28.Os 29.Dt DWARF_ADD_DIRECTORY_DECL 3 30.Sh NAME 31.Nm dwarf_add_directory_decl 32.Nd add a directory name to a producer instance 33.Sh LIBRARY 34.Lb libdwarf 35.Sh SYNOPSIS 36.In libdwarf.h 37.Ft "Dwarf_Unsigned" 38.Fo dwarf_add_directory_decl 39.Fa "Dwarf_P_Debug dbg" 40.Fa "char *name" 41.Fa "Dwarf_Error *err" 42.Fc 43.Sh DESCRIPTION 44Function 45.Fn dwarf_add_directory_decl 46adds a source directory name to a producer instance and returns the 47index value generated for the directory name. 48.Pp 49Argument 50.Ar dbg 51should reference a DWARF producer instance allocated using 52.Xr dwarf_producer_init 3 53or 54.Xr dwarf_producer_init_b 3 . 55.Pp 56Argument 57.Ar name 58should point a NUL-terminated string containing the name of 59the directory. 60.Pp 61If argument 62.Ar err 63is not NULL, it will be used to store error information in case 64of an error. 65.Sh RETURN VALUES 66On success, function 67.Fn dwarf_add_directory_decl 68returns the index value generated for the directory. 69In case of an error, function 70.Fn dwarf_add_directory_decl 71returns 72.Dv DW_DLV_NOCOUNT 73and sets the argument 74.Ar err . 75.Sh ERRORS 76Function 77.Fn dwarf_add_directory_decl 78can fail with: 79.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT" 80.It Bq Er DW_DLE_ARGUMENT 81Either of the arguments 82.Ar dbg 83or 84.Ar name 85was NULL. 86.It Bq Er DW_DLE_MEMORY 87An out of memory condition was encountered during the execution of the 88function. 89.El 90.Sh SEE ALSO 91.Xr dwarf 3 , 92.Xr dwarf_add_file_decl 3 , 93.Xr dwarf_add_line_entry 3 , 94.Xr dwarf_lne_end_sequence 3 , 95.Xr dwarf_lne_set_address 3 , 96.Xr dwarf_producer_init 3 , 97.Xr dwarf_producer_init_b 3 98