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vvfat: add a constant for bootsector name 

Also add links to related compatibility problems.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Hervé Poussineau 2017-07-15 15:28:39 +02:00 committed by Kevin Wolf
parent 8c4517fd6e
commit 63d261cb0d
1 changed files with 7 additions and 1 deletions
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8
block/vvfat.c
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@ -71,6 +71,12 @@ void nonono(const char* file, int line, const char* msg) {
#endif
/* bootsector OEM name. see related compatibility problems at:
* https://jdebp.eu/FGA/volume-boot-block-oem-name-field.html
* http://seasip.info/Misc/oemid.html
*/
#define BOOTSECTOR_OEM_NAME "MSWIN4.1"
#define DIR_DELETED 0xe5
#define DIR_KANJI DIR_DELETED
#define DIR_KANJI_FAKE 0x05
@ -1028,7 +1034,7 @@ static int init_directories(BDRVVVFATState* s,
bootsector->jump[0]=0xeb;
bootsector->jump[1]=0x3e;
bootsector->jump[2]=0x90;
memcpy(bootsector->name, "MSWIN4.1", 8);
memcpy(bootsector->name, BOOTSECTOR_OEM_NAME, 8);
bootsector->sector_size=cpu_to_le16(0x200);
bootsector->sectors_per_cluster=s->sectors_per_cluster;
bootsector->reserved_sectors=cpu_to_le16(1);