basic/dirent-util: do not call hidden_file_allow_backup from dirent_is_file_with_suffix

If the file name is supposed to end in a suffix, there's not need to check the
name against a list of "special" file names, which is slow. Instead, just check
that the name doens't start with a period.

1 files changed, 3 insertions, 7 deletions

diff --git a/src/basic/dirent-util.c b/src/basic/dirent-util.c
index 5fb535cb1..5019882a0 100644
--- a/src/basic/dirent-util.c
+++ b/src/basic/dirent-util.c
@@ -55,9 +55,7 @@ bool dirent_is_file(const struct dirent *de) {
         if (hidden_file(de->d_name))
                 return false;
 
-        if (de->d_type != DT_REG &&
-            de->d_type != DT_LNK &&
-            de->d_type != DT_UNKNOWN)
+        if (!IN_SET(de->d_type, DT_REG, DT_LNK, DT_UNKNOWN))
                 return false;
 
         return true;
@@ -66,12 +64,10 @@ bool dirent_is_file(const struct dirent *de) {
 bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix) {
         assert(de);
 
-        if (de->d_type != DT_REG &&
-            de->d_type != DT_LNK &&
-            de->d_type != DT_UNKNOWN)
+        if (!IN_SET(de->d_type, DT_REG, DT_LNK, DT_UNKNOWN))
                 return false;
 
-        if (hidden_file_allow_backup(de->d_name))
+        if (de->d_name[0] == '.')
                 return false;
 
         return endswith(de->d_name, suffix);