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/*
* Tcl readdir command.
*
* (c) 2008 Steve Bennett <steveb@worware.net.au>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation
* are those of the authors and should not be interpreted as representing
* official policies, either expressed or implied, of the Jim Tcl Project.
*
* Based on original work by:
*-----------------------------------------------------------------------------
* Copyright 1991-1994 Karl Lehenbauer and Mark Diekhans.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies. Karl Lehenbauer and
* Mark Diekhans make no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*-----------------------------------------------------------------------------
*/
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <jim.h>
#include <jimautoconf.h>
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#endif
/*
*-----------------------------------------------------------------------------
*
* Jim_ReaddirCmd --
* Implements the rename TCL command:
* readdir ?-nocomplain? dirPath
*
* Results:
* Standard TCL result.
*-----------------------------------------------------------------------------
*/
int Jim_ReaddirCmd(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
const char *dirPath;
DIR *dirPtr;
struct dirent *entryPtr;
int nocomplain = 0;
if (argc == 3 && Jim_CompareStringImmediate(interp, argv[1], "-nocomplain")) {
nocomplain = 1;
}
if (argc != 2 && !nocomplain) {
Jim_WrongNumArgs(interp, 1, argv, "?-nocomplain? dirPath");
return JIM_ERR;
}
dirPath = Jim_String(argv[1 + nocomplain]);
dirPtr = opendir(dirPath);
if (dirPtr == NULL) {
if (nocomplain) {
return JIM_OK;
}
Jim_SetResultString(interp, strerror(errno), -1);
return JIM_ERR;
}
else {
Jim_Obj *listObj = Jim_NewListObj(interp, NULL, 0);
while ((entryPtr = readdir(dirPtr)) != NULL) {
if (entryPtr->d_name[0] == '.') {
if (entryPtr->d_name[1] == '\0') {
continue;
}
if ((entryPtr->d_name[1] == '.') && (entryPtr->d_name[2] == '\0'))
continue;
}
Jim_ListAppendElement(interp, listObj, Jim_NewStringObj(interp, entryPtr->d_name, -1));
}
closedir(dirPtr);
Jim_SetResult(interp, listObj);
return JIM_OK;
}
}
int Jim_readdirInit(Jim_Interp *interp)
{
if (Jim_PackageProvide(interp, "readdir", "1.0", JIM_ERRMSG))
return JIM_ERR;
Jim_CreateCommand(interp, "readdir", Jim_ReaddirCmd, NULL, NULL);
return JIM_OK;
}