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* enumerate preopened dirs on startup and store them in a list, accessible via global vars in the system unit

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git-svn-id: trunk@49521 -
This commit is contained in:
nickysn 2021-06-22 20:51:19 +00:00
parent bbcc396644
commit 0a384b0905
1 changed files with 14 additions and 8 deletions
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22
rtl/wasi/system.pp
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@ -51,6 +51,8 @@ const
var
argc: longint;
argv: PPChar;
preopened_dirs_count: longint;
preopened_dirs: PPChar;
procedure DebugWrite(const P: PChar);
procedure DebugWriteLn(const P: PChar);
@ -92,6 +94,8 @@ var
res: __wasi_errno_t;
prestat_dir_name: PChar;
begin
preopened_dirs_count:=0;
preopened_dirs:=nil;
fd:=3;
repeat
res:=__wasi_fd_prestat_get(fd, @prestat);
@ -99,14 +103,16 @@ begin
begin
if (prestat.tag=__WASI_PREOPENTYPE_DIR) and (prestat.u.dir.pr_name_len>0) then
begin
//GetMem(prestat_dir_name,prestat.u.dir.pr_name_len+1);
//if __wasi_fd_prestat_dir_name(fd,PByte(prestat_dir_name),prestat.u.dir.pr_name_len)=__WASI_ERRNO_SUCCESS then
//begin
// prestat_dir_name[prestat.u.dir.pr_name_len]:=#0;
// //Writeln(prestat_dir_name);
//end
//else
// FreeMem(prestat_dir_name,prestat.u.dir.pr_name_len+1);
GetMem(prestat_dir_name,prestat.u.dir.pr_name_len+1);
if __wasi_fd_prestat_dir_name(fd,PByte(prestat_dir_name),prestat.u.dir.pr_name_len)=__WASI_ERRNO_SUCCESS then
begin
prestat_dir_name[prestat.u.dir.pr_name_len]:=#0;
Inc(preopened_dirs_count);
ReAllocMem(preopened_dirs, preopened_dirs_count*SizeOf(PChar));
preopened_dirs[preopened_dirs_count-1]:=prestat_dir_name;
end
else
FreeMem(prestat_dir_name,prestat.u.dir.pr_name_len+1);
end;
end;
Inc(fd);