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dosutils: use NCP87 DOS info fields in NDIR

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Add a Client32 NCP87 helper for obtaining DOS namespace file and
subdirectory information and use it in NDIR.

The new helper reads the classic NCP87 subfunction 6 RIM_ALL DOS info
block, including timestamps, inherited rights, directory identifiers and
size metadata.

Use the NCP87 inherited rights mask for the inherited-rights column while
keeping the existing Client32 effective-rights path for the effective
rights column.  Also use the NCP87 modify, archive, last-access and
creation date fields for the /DATES display, falling back to DOS
findfirst timestamps when the NCP87 info request is not available.

Tighten the /DATES layout so the full Created/Copied timestamp remains
within an 80-column DOS screen.
This commit is contained in:
Mario Fetka
2026-05-25 09:17:56 +02:00
parent 7117bfff68
commit 6d2d3f367f
5 changed files with 244 additions and 18 deletions
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37
c32ncp.h
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@@ -12,6 +12,43 @@ int c32_ncp87_obtain_rim_attributes(const char *name,
uint16 *handle_hi_out);
typedef struct c32_ndir_info {
uint32 space_allocated;
uint32 attributes;
uint16 flags;
uint32 data_size;
uint32 total_size;
uint16 number_of_streams;
uint16 creation_time;
uint16 creation_date;
uint32 creator_id;
uint16 modify_time;
uint16 modify_date;
uint32 modifier_id;
uint16 last_access_date;
uint16 archive_time;
uint16 archive_date;
uint32 archiver_id;
uint16 inherited_rights;
uint32 dir_ent_num;
uint32 dos_dir_num;
uint32 vol_number;
uint32 ea_data_size;
uint32 ea_key_count;
uint32 ea_key_size;
uint32 ns_creator;
uint8 name_len;
char name[256];
} C32_NDIR_INFO;
int c32_ncp87_obtain_ndir_info(const char *path_name,
uint16 dir_handle,
C32_NDIR_INFO *info_out,
uint16 *actual_out,
uint16 *handle_lo_out,
uint16 *handle_hi_out);
int c32_ncp87_modify_dos_attributes(char *name,
uint16 dir_handle,
uint32 attrs,