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https://github.com/RfidResearchGroup/proxmark3.git
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95 lines
1.7 KiB
C
95 lines
1.7 KiB
C
/* scandir.cc
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Copyright 1998, 1999, 2000, 2001 Red Hat, Inc.
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Written by Corinna Vinschen <corinna.vinschen@cityweb.de>
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include "scandir.h"
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#ifdef _WIN32
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#ifdef __cplusplus
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extern "C" {
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#endif
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int scandir (const char *dir,
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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 *dirp;
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struct dirent *ent, *etmp, **nl = NULL, **ntmp;
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int count = 0;
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int allocated = 0;
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int err_no = 0;
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if (!(dirp = opendir (dir)))
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return -1;
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while ((ent = readdir (dirp))) {
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if (!select || select (ent)) {
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err_no =0;
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if (count == allocated) {
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if (allocated == 0)
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allocated = 10;
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else
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allocated *= 2;
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ntmp = (struct dirent **) realloc (nl, allocated * sizeof *nl);
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if (!ntmp) {
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err_no = 1;
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break;
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}
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nl = ntmp;
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}
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if (!(etmp = (struct dirent *) malloc (sizeof *ent))) {
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err_no = 1;
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break;
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}
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*etmp = *ent;
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nl[count++] = etmp;
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}
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}
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if (err_no != 0) {
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closedir (dirp);
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if (nl) {
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while (count > 0)
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free (nl[--count]);
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free (nl);
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}
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return -1;
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}
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closedir (dirp);
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qsort (nl, count, sizeof *nl, (int (*)(const void *, const void *)) compar);
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if (namelist)
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*namelist = nl;
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return count;
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}
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#ifdef __cplusplus
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}
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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int alphasort (const struct dirent **a, const struct dirent **b)
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{
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return strcoll ((*a)->d_name, (*b)->d_name);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif // win32
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