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Merge branch 'improve-file-search-perf-nix' into 'next'

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Improve file search performance on Linux and FreeBSD

See merge request STJr/SRB2!2198
This commit is contained in:
Monster Iestyn 2023-11-26 20:12:09 +00:00
commit 5fc9c1a65b
1 changed files with 10 additions and 0 deletions
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10
src/filesrch.c
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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);