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