Add dummy getpwuid and getpwnam for more POSIX compatibility.

This should get around libs/programs that just attempt to get the
current users's home directory.

src/libcglue/Makefile.am

@@ -27,7 +27,8 @@ FDMAN_OBJS = __descriptor_data_pool.o __descriptormap.o __fdman_init.o __fdman_g
 GLUE_OBJS = __fill_stat.o __psp_heap_blockid.o __psp_free_heap.o _fork.o _wait.o _open.o _close.o _read.o _write.o _fstat.o \
 	_stat.o lstat.o access.o _fcntl.o  _lseek.o chdir.o mkdir.o rmdir.o getdents.o _seekdir.o _link.o _unlink.o \
 	_rename.o _getpid.o _kill.o _sbrk.o _gettimeofday.o _times.o ftime.o _internal_malloc_lock.o _internal_malloc_unlock.o \
-	_isatty.o symlink.o truncate.o chmod.o fchmod.o fchmodat.o pathconf.o readlink.o utime.o fchown.o getentropy.o
+	_isatty.o symlink.o truncate.o chmod.o fchmod.o fchmodat.o pathconf.o readlink.o utime.o fchown.o getentropy.o getpwuid.o \
+	getpwnam.o
 
 
 INIT_OBJS = __libcglue_init.o __libcglue_deinit.o _exit.o abort.o exit.o

src/libcglue/glue.c

@@ -22,6 +22,7 @@
 #include <dirent.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <pwd.h>
 
 #include <sys/time.h>
 #include <sys/timeb.h>
@@ -926,4 +927,19 @@ int getentropy(void *buffer, size_t length) {
 
 	return 0;
 }
-#endif
+#endif
+
+#ifdef F_getpwuid
+struct passwd *getpwuid(uid_t uid) {
+	/* There's no support for users */
+	return NULL;
+}
+#endif
+
+#ifdef F_getpwnam
+struct passwd *getpwnam(const char *name) {
+	/* There's no support for users */
+	return NULL;
+}
+#endif
+