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-rw-r--r--sftsr.c109
1 files changed, 68 insertions, 41 deletions
diff --git a/sftsr.c b/sftsr.c
index 0e86930..37be41a 100644
--- a/sftsr.c
+++ b/sftsr.c
@@ -33,7 +33,10 @@ static SHFLSTRING_WITH_BUF(shflstr, SHFL_MAX_LEN);
static SHFLDIRINFO_WITH_NAME_BUF(shfldirinfo, SHFL_MAX_LEN);
-static SHFLCREATEPARMS createparms;
+static union {
+ SHFLVOLINFO volinfo;
+ SHFLCREATEPARMS create;
+} parms;
static uint8_t map_shfl_attr_to_dosattr(const SHFLFSOBJATTR *a)
{
@@ -366,50 +369,50 @@ static void handle_create_open_ex(union INTPACK __far *r)
copy_drive_relative_filename(&shflstr.shflstr, path);
translate_filename_to_host(&shflstr.shflstr);
- memset(&createparms, 0, sizeof(SHFLCREATEPARMS));
+ memset(&parms.create, 0, sizeof(SHFLCREATEPARMS));
if (action & OPENEX_REPLACE_IF_EXISTS) {
- createparms.CreateFlags |= SHFL_CF_ACT_REPLACE_IF_EXISTS;
+ parms.create.CreateFlags |= SHFL_CF_ACT_REPLACE_IF_EXISTS;
} else if (action & OPENEX_OPEN_IF_EXISTS) {
- createparms.CreateFlags |= SHFL_CF_ACT_OPEN_IF_EXISTS;
+ parms.create.CreateFlags |= SHFL_CF_ACT_OPEN_IF_EXISTS;
} else {
- createparms.CreateFlags |= SHFL_CF_ACT_FAIL_IF_EXISTS;
+ parms.create.CreateFlags |= SHFL_CF_ACT_FAIL_IF_EXISTS;
}
if (action & OPENEX_CREATE_IF_NEW) {
- createparms.CreateFlags |= SHFL_CF_ACT_CREATE_IF_NEW;
+ parms.create.CreateFlags |= SHFL_CF_ACT_CREATE_IF_NEW;
} else {
- createparms.CreateFlags |= SHFL_CF_ACT_FAIL_IF_NEW;
+ parms.create.CreateFlags |= SHFL_CF_ACT_FAIL_IF_NEW;
}
if ((mode & OPENEX_MODE_RDWR) == OPENEX_MODE_RDWR) {
- createparms.CreateFlags |= SHFL_CF_ACCESS_READWRITE;
+ parms.create.CreateFlags |= SHFL_CF_ACCESS_READWRITE;
} else if (mode & OPENEX_MODE_WRITE) {
- createparms.CreateFlags |= SHFL_CF_ACCESS_WRITE;
+ parms.create.CreateFlags |= SHFL_CF_ACCESS_WRITE;
} else {
- createparms.CreateFlags |= SHFL_CF_ACCESS_READ;
+ parms.create.CreateFlags |= SHFL_CF_ACCESS_READ;
}
- if (!(createparms.CreateFlags & SHFL_CF_ACCESS_WRITE)) {
+ if (!(parms.create.CreateFlags & SHFL_CF_ACCESS_WRITE)) {
// Do we really want to create new files without opening them for writing?
- createparms.CreateFlags |= SHFL_CF_ACT_FAIL_IF_NEW;
+ parms.create.CreateFlags |= SHFL_CF_ACT_FAIL_IF_NEW;
}
- dlog_print("vbox createparms flags=");
- dlog_printx(createparms.CreateFlags);
+ dlog_print("vbox create flags=");
+ dlog_printx(parms.create.CreateFlags);
dlog_endline();
- err = vbox_shfl_open(&data.vb, data.hgcm_client_id, root, &shflstr.shflstr, &createparms);
+ err = vbox_shfl_open(&data.vb, data.hgcm_client_id, root, &shflstr.shflstr, &parms.create);
if (err) {
set_vbox_err(r, err);
return;
}
dlog_print("vbox success result=");
- dlog_printd(createparms.Result);
+ dlog_printd(parms.create.Result);
dlog_print(" openfile=");
dlog_printu(openfile);
dlog_endline();
- switch (createparms.Result) {
+ switch (parms.create.Result) {
case SHFL_PATH_NOT_FOUND:
set_dos_err(r, DOS_ERROR_PATH_NOT_FOUND);
return;
@@ -427,16 +430,16 @@ static void handle_create_open_ex(union INTPACK __far *r)
break;
}
- if (createparms.Handle == SHFL_HANDLE_NIL) {
+ if (parms.create.Handle == SHFL_HANDLE_NIL) {
set_dos_err(r, DOS_ERROR_GEN_FAILURE);
return;
}
data.files[openfile].root = root;
- data.files[openfile].handle = createparms.Handle;
+ data.files[openfile].handle = parms.create.Handle;
// Fill in the SFT
- map_shfl_info_to_dossft(sft, &createparms.Info);
+ map_shfl_info_to_dossft(sft, &parms.create.Info);
sft->open_mode = mode;
sft->dev_info = 0x8040 | drive; // "Network drive, unwritten to"
sft->f_pos = 0;
@@ -687,16 +690,16 @@ static void handle_getattr(union INTPACK __far *r)
copy_drive_relative_filename(&shflstr.shflstr, path);
translate_filename_to_host(&shflstr.shflstr);
- memset(&createparms, 0, sizeof(SHFLCREATEPARMS));
- createparms.CreateFlags = SHFL_CF_LOOKUP;
+ memset(&parms.create, 0, sizeof(SHFLCREATEPARMS));
+ parms.create.CreateFlags = SHFL_CF_LOOKUP;
err = vbox_shfl_open(&data.vb, data.hgcm_client_id, root,
- &shflstr.shflstr, &createparms);
+ &shflstr.shflstr, &parms.create);
if (err) {
set_vbox_err(r, err);
return;
}
- switch (createparms.Result) {
+ switch (parms.create.Result) {
case SHFL_PATH_NOT_FOUND:
set_dos_err(r, DOS_ERROR_PATH_NOT_FOUND);
return;
@@ -707,7 +710,7 @@ static void handle_getattr(union INTPACK __far *r)
break;
}
- map_shfl_info_to_getattr(r, &createparms.Info);
+ map_shfl_info_to_getattr(r, &parms.create.Info);
clear_dos_err(r);
}
@@ -721,19 +724,19 @@ static vboxerr open_search_dir(SHFLROOT root, const char __far *path)
copy_drive_relative_dirname(&shflstr.shflstr, path);
translate_filename_to_host(&shflstr.shflstr);
- memset(&createparms, 0, sizeof(SHFLCREATEPARMS));
- createparms.CreateFlags = SHFL_CF_DIRECTORY
+ memset(&parms.create, 0, sizeof(SHFLCREATEPARMS));
+ parms.create.CreateFlags = SHFL_CF_DIRECTORY
| SHFL_CF_ACT_OPEN_IF_EXISTS | SHFL_CF_ACT_FAIL_IF_NEW
| SHFL_CF_ACCESS_READ;
err = vbox_shfl_open(&data.vb, data.hgcm_client_id, root,
- &shflstr.shflstr, &createparms);
+ &shflstr.shflstr, &parms.create);
if (err) {
dlog_puts("open search dir failed");
return err;
}
- switch (createparms.Result) {
+ switch (parms.create.Result) {
case SHFL_PATH_NOT_FOUND:
return VERR_PATH_NOT_FOUND;
case SHFL_FILE_NOT_FOUND:
@@ -742,13 +745,13 @@ static vboxerr open_search_dir(SHFLROOT root, const char __far *path)
break;
}
- if (createparms.Handle == SHFL_HANDLE_NIL) {
+ if (parms.create.Handle == SHFL_HANDLE_NIL) {
dlog_puts("open search dir returned no handle...");
return VERR_INVALID_HANDLE;
}
data.files[SEARCH_DIR_FILE].root = root;
- data.files[SEARCH_DIR_FILE].handle = createparms.Handle;
+ data.files[SEARCH_DIR_FILE].handle = parms.create.Handle;
return 0;
}
@@ -965,17 +968,17 @@ static void handle_chdir(union INTPACK __far *r)
copy_drive_relative_filename(&shflstr.shflstr, path);
translate_filename_to_host(&shflstr.shflstr);
- memset(&createparms, 0, sizeof(SHFLCREATEPARMS));
- createparms.CreateFlags = SHFL_CF_LOOKUP;
+ memset(&parms.create, 0, sizeof(SHFLCREATEPARMS));
+ parms.create.CreateFlags = SHFL_CF_LOOKUP;
err = vbox_shfl_open(&data.vb, data.hgcm_client_id, root,
- &shflstr.shflstr, &createparms);
+ &shflstr.shflstr, &parms.create);
if (err) {
set_vbox_err(r, err);
return;
}
- switch (createparms.Result) {
+ switch (parms.create.Result) {
case SHFL_PATH_NOT_FOUND:
case SHFL_FILE_NOT_FOUND:
set_dos_err(r, DOS_ERROR_PATH_NOT_FOUND);
@@ -985,7 +988,7 @@ static void handle_chdir(union INTPACK __far *r)
}
// Also check whether it is really a directory
- if (!(map_shfl_attr_to_dosattr(&createparms.Info.Attr) & _A_SUBDIR)) {
+ if (!(map_shfl_attr_to_dosattr(&parms.create.Info.Attr) & _A_SUBDIR)) {
set_dos_err(r, DOS_ERROR_PATH_NOT_FOUND);
return;
}
@@ -1007,18 +1010,18 @@ static void handle_mkdir(union INTPACK __far *r)
copy_drive_relative_filename(&shflstr.shflstr, path);
translate_filename_to_host(&shflstr.shflstr);
- memset(&createparms, 0, sizeof(SHFLCREATEPARMS));
- createparms.CreateFlags = SHFL_CF_DIRECTORY
+ memset(&parms.create, 0, sizeof(SHFLCREATEPARMS));
+ parms.create.CreateFlags = SHFL_CF_DIRECTORY
| SHFL_CF_ACT_FAIL_IF_EXISTS | SHFL_CF_ACT_CREATE_IF_NEW;
err = vbox_shfl_open(&data.vb, data.hgcm_client_id, root,
- &shflstr.shflstr, &createparms);
+ &shflstr.shflstr, &parms.create);
if (err) {
set_vbox_err(r, err);
return;
}
- switch (createparms.Result) {
+ switch (parms.create.Result) {
case SHFL_PATH_NOT_FOUND:
case SHFL_FILE_NOT_FOUND:
set_dos_err(r, DOS_ERROR_PATH_NOT_FOUND);
@@ -1057,6 +1060,27 @@ static void handle_rmdir(union INTPACK __far *r)
clear_dos_err(r);
}
+static void handle_get_disk_free(union INTPACK __far *r)
+{
+ const unsigned long total_space = 10 * 1024 * 1024UL;
+ const unsigned long free_space = 4 * 1024 * 1024UL;
+ const unsigned cluster_bytes = 4 * 4096UL;
+
+ // TODO SHFLVOLINFO
+
+ r->h.ah = 0; // media ID byte
+ r->h.al = 4; /* Sectors per cluster */
+ r->x.cx = 4096; /* Bytes per sector */
+ r->x.bx = total_space / cluster_bytes; /* Total clusters */
+ r->x.dx = free_space / cluster_bytes; /* Number of available clusters */
+
+ dlog_print("disk free");
+ dlog_printd(r->x.dx);
+ dlog_endline();
+
+ clear_dos_err(r);
+}
+
static bool int2f_11_handler(union INTPACK r)
#pragma aux int2f_11_handler "*" parm caller [] value [al] modify [ax bx cx dx si di es gs fs]
{
@@ -1128,7 +1152,10 @@ static bool int2f_11_handler(union INTPACK r)
handle_rmdir(&r);
return true;
case DOS_FN_GET_DISK_FREE:
- // We don't support this
+ handle_get_disk_free(&r);
+ return true;
+ case DOS_FN_SEEK_END:
+ // I have no testcase for this function, so unsupported
set_dos_err(&r, DOS_ERROR_INVALID_FUNCTION);
return true;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 16:28:39 +0000