diff options
Diffstat (limited to 'contrib/syslinux/latest/libfat/searchdir.c')
-rw-r--r-- | contrib/syslinux/latest/libfat/searchdir.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/contrib/syslinux/latest/libfat/searchdir.c b/contrib/syslinux/latest/libfat/searchdir.c deleted file mode 100644 index 4964120..0000000 --- a/contrib/syslinux/latest/libfat/searchdir.c +++ /dev/null @@ -1,64 +0,0 @@ -/* ----------------------------------------------------------------------- * - * - * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 53 Temple Place Ste 330, - * Boston MA 02111-1307, USA; either version 2 of the License, or - * (at your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * searchdir.c - * - * Search a FAT directory for a particular pre-mangled filename. - * Copies the directory entry into direntry and returns the starting cluster - * if found; returns -2 on not found, -1 on error, 0 on empty file. - */ - -#include <string.h> -#include "libfatint.h" - -int32_t libfat_searchdir(struct libfat_filesystem *fs, int32_t dirclust, - const void *name, struct libfat_direntry *direntry) -{ - struct fat_dirent *dep; - int nent; - libfat_sector_t s = libfat_clustertosector(fs, dirclust); - - while (1) { - if (s == 0) - return -2; /* Not found */ - else if (s == (libfat_sector_t) - 1) - return -1; /* Error */ - - dep = libfat_get_sector(fs, s); - if (!dep) - return -1; /* Read error */ - - for (nent = 0; nent < LIBFAT_SECTOR_SIZE; - nent += sizeof(struct fat_dirent)) { - if (!memcmp(dep->name, name, 11)) { - if (direntry) { - memcpy(direntry->entry, dep, sizeof(*dep)); - direntry->sector = s; - direntry->offset = nent; - } - if (read32(&dep->size) == 0) - return 0; /* An empty file has no clusters */ - else - return read16(&dep->clustlo) + - (read16(&dep->clusthi) << 16); - } - - if (dep->name[0] == 0) - return -2; /* Hit high water mark */ - - dep++; - } - - s = libfat_nextsector(fs, s); - } -} |