86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
/* -*- Mode: C; c-file-style: "gnu" -*- */
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/*
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Copyright (c) 2000 Petter Reinholdtsen
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use, copy,
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modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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/*
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* scandir.c -- if scandir() is missing, make a replacement
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include "compat.h"
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/*
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* XXX This is a simple hack version which doesn't sort the data, and
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* just passes all unsorted.
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*/
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int
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scandir(const char *dir, struct dirent ***namelist,
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int (*select) (const struct dirent *),
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int (*compar) (const struct dirent **, const struct dirent **))
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{
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DIR *d = opendir(dir);
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struct dirent *current;
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struct dirent **names;
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int count = 0;
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int pos = 0;
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int result = -1;
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if (NULL == d)
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return -1;
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while (NULL != readdir(d))
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count++;
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names = malloc(sizeof (struct dirent *) * count);
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closedir(d);
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d = opendir(dir);
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if (NULL == d)
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return -1;
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while (NULL != (current = readdir(d))) {
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if (NULL == select || select(current)) {
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struct dirent *copyentry = malloc(current->d_reclen);
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memcpy(copyentry, current, current->d_reclen);
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names[pos] = copyentry;
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pos++;
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}
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}
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result = closedir(d);
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if (pos != count)
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names = realloc(names, sizeof (struct dirent *) * pos);
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*namelist = names;
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return pos;
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}
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