Add caching uid/gid lookup functions

1 files changed, 16 insertions, 0 deletions

diff --git a/utils.h b/utils.h
index e3096c9..a5f8b54 100644
--- a/utils.h
+++ b/utils.h
@@ -24,6 +24,10 @@
 #include <unistd.h>
 /* For FILE */
 #include <stdio.h>
+/* For struct passwd */
+#include <pwd.h>
+/* For struct group */
+#include <grp.h>
 
 /* Adjusts the verbosity level for msg() */
 void adjust_verbosity(int adj);
@@ -69,3 +73,15 @@ char *read_binary_string(char **from, size_t len, const char *max);
 /* Reads a normal C string from a file */
 char *read_string(char **from, const char *max);
 
+/* Caching version of getgrnam */
+struct group *xgetgrnam(const char *name);
+
+/* Caching version of getgrgid */
+struct group *xgetgrgid(gid_t gid);
+
+/* Caching version of getpwnam */
+struct passwd *xgetpwnam(const char *name);
+
+/* Caching version of getpwuid */
+struct passwd *xgetpwuid(uid_t uid);
+