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[PATCH] Increase speed of filesearching on \*nix

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Thanks Alug
This commit is contained in:
NepDisk 2025-08-09 13:44:31 -04:00
parent 02a1066d73
commit 5cfaf1d29f
1 changed files with 22 additions and 1 deletions
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23
src/filesrch.c
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@ -428,9 +428,30 @@ filestatus_t filesearch(char *filename, const char *startpath, UINT64 wantedhash
// okay, now we actually want searchpath to incorporate d_name
strcpy(&searchpath[searchpathindex[depthleft]],dent->d_name);
if (stat(searchpath,&fsstat) < 0) // do we want to follow symlinks? if not: change it to lstat
#if defined(__linux__) || defined(__FreeBSD__)
if (dent->d_type == DT_UNKNOWN && lstat(searchpath, &fsstat) == 0)
{
if (S_ISDIR(fsstat.st_mode))
dent->d_type = DT_DIR;
else if (S_ISLNK(fsstat.st_mode))
dent->d_type = DT_LNK;
}
// Symlinks aren't always directory symlinks. Dunno if this would resolve recursive
// symlinks, but i think stat already does that
if (dent->d_type == DT_LNK && stat(searchpath, &fsstat) == 0 && !S_ISDIR(fsstat.st_mode))
{
dent->d_type = DT_UNKNOWN;
}
// Linux and FreeBSD has a special field for file type on dirent, so use that to speed up lookups.
// FIXME: should we also follow symlinks?
if ((dent->d_type == DT_DIR && depthleft) || (dent->d_type == DT_LNK && depthleft))
#else
if (stat(searchpath, &fsstat) < 0) // do we want to follow symlinks? if not: change it to lstat
; // was the file (re)moved? can't stat it
else if (S_ISDIR(fsstat.st_mode) && depthleft)
#endif
{
searchpathindex[--depthleft] = strlen(searchpath) + 1;
dirhandle[depthleft] = opendir(searchpath);