Improve file search performance on Linux and FreeBSD

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Gustaf Alhäll 2023-11-04 14:21:17 +01:00
parent 9b60fd824a
commit 5d18822142
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GPG key ID: 6C1F67D690CDEDFD

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@ -433,9 +433,19 @@ filestatus_t filesearch(char *filename, const char *startpath, const UINT8 *want
// okay, now we actually want searchpath to incorporate d_name
strcpy(&searchpath[searchpathindex[depthleft]],dent->d_name);
#if defined(__linux__) || defined(__FreeBSD__)
if (dent->d_type == DT_UNKNOWN)
if (lstat(searchpath,&fsstat) == 0 && S_ISDIR(fsstat.st_mode))
dent->d_type = DT_DIR;
// 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)
#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);