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-rw-r--r--include/idcache.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/idcache.h b/include/idcache.h
new file mode 100644
index 0000000..912edd5
--- /dev/null
+++ b/include/idcache.h
@@ -0,0 +1,28 @@
+#ifndef UTIL_LINUX_IDCACHE_H
+#define UTIL_LINUX_IDCACHE_H
+
+#include <sys/types.h>
+#include <pwd.h>
+
+#define IDCACHE_FLAGS_NAMELEN (1 << 1)
+
+struct identry {
+ unsigned long int id;
+ char *name;
+ struct identry *next;
+};
+
+struct idcache {
+ struct identry *ent; /* first entry */
+ int width; /* name width */
+};
+
+
+extern struct idcache *new_idcache(void);
+extern void add_gid(struct idcache *cache, unsigned long int id);
+extern void add_uid(struct idcache *cache, unsigned long int id);
+
+extern void free_idcache(struct idcache *ic);
+extern struct identry *get_id(struct idcache *ic, unsigned long int id);
+
+#endif /* UTIL_LINUX_IDCACHE_H */