83 lines
1.6 KiB
C
83 lines
1.6 KiB
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1997, 1998, 1999, 2000
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* Sleepycat Software. All rights reserved.
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*/
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#include "db_config.h"
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#ifndef lint
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static const char revid[] = "$Id: os_dir.c,v 11.4 2000/03/28 21:50:17 ubell Exp $";
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#endif /* not lint */
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#include "db_int.h"
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#include "os_jump.h"
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/*
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* __os_dirlist --
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* Return a list of the files in a directory.
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*/
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int
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__os_dirlist(dbenv, dir, namesp, cntp)
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DB_ENV *dbenv;
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const char *dir;
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char ***namesp;
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int *cntp;
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{
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struct _finddata_t fdata;
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long dirhandle;
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int arraysz, cnt, finished, ret;
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char **names, filespec[MAXPATHLEN];
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if (__db_jump.j_dirlist != NULL)
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return (__db_jump.j_dirlist(dir, namesp, cntp));
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(void)snprintf(filespec, sizeof(filespec), "%s/*", dir);
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if ((dirhandle = _findfirst(filespec, &fdata)) == -1)
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return (__os_get_errno());
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names = NULL;
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finished = 0;
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for (arraysz = cnt = 0; finished != 1; ++cnt) {
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if (cnt >= arraysz) {
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arraysz += 100;
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if ((ret = __os_realloc(dbenv,
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arraysz * sizeof(names[0]), NULL, &names)) != 0)
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goto nomem;
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}
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if ((ret = __os_strdup(dbenv, fdata.name, &names[cnt])) != 0)
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goto nomem;
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if (_findnext(dirhandle,&fdata) != 0)
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finished = 1;
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}
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_findclose(dirhandle);
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*namesp = names;
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*cntp = cnt;
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return (0);
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nomem: if (names != NULL)
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__os_dirfree(names, cnt);
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return (ret);
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}
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/*
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* __os_dirfree --
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* Free the list of files.
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*/
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void
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__os_dirfree(names, cnt)
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char **names;
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int cnt;
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{
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if (__db_jump.j_dirfree != NULL) {
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__db_jump.j_dirfree(names, cnt);
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return;
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}
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while (cnt > 0)
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__os_free(names[--cnt], 0);
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__os_free(names, 0);
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}
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