Messages in this thread | | | Date | Tue, 30 Jan 2018 12:32:08 +0100 | From | Pali Rohár <> | Subject | Re: [PATCH 3/3] fs: fat: add ioctl method in fat filesystem driver |
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On Tuesday 30 January 2018 20:23:03 OGAWA Hirofumi wrote: > chenchacha <chen.chenchacha@foxmail.com> writes: > > > On 01/29/2018 09:02 PM, OGAWA Hirofumi wrote: > >> ChenGuanqiao <chen.chenchacha@foxmail.com> writes: > >> > >>> +static int fat_check_d_characters(char *label, unsigned long len) > >>> +{ > >>> + int i; > >>> + > >>> + for (i = 0; i < len; ++i) { > >>> + switch (label[i]) { > >>> + case 'a' ... 'z': > >>> + label[i] = __toupper(label[i]); > >>> + case 'A' ... 'Z': > >>> + case '0' ... '9': > >>> + case '_': > >>> + case 0x20: > >>> + continue; > >>> + default: > >>> + return -EINVAL; > >>> + } > >> Same question with previous though, what windows do if label = "a b c"? > >> (this is including space other than end of name or extension.) > > In win7, the volume label will be capitalized, and leaving spaces. > > Or, you mean I need to fill the rest of the space with "0x20"? > > I see. However, what win7 stored, BTW? It was "A B C ", or anything > other?
Yes, as in FAT, all directory entries are padded by spaces.
-- Pali Rohár pali.rohar@gmail.com
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