hush: print cd error to stderr; use fopen_or_warn in builtin_source;
prepare builtin_unset for function support
libbb: do not clear errno in fopen_or_warn
function old new delta
builtin_unset 242 271 +29
fopen_or_warn 42 31 -11
builtin_cd 90 74 -16
builtin_source 89 72 -17
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/3 up/down: 29/-44) Total: -15 bytes
diff --git a/libbb/wfopen.c b/libbb/wfopen.c
index 4c84b3b..1cb871e 100644
--- a/libbb/wfopen.c
+++ b/libbb/wfopen.c
@@ -14,7 +14,7 @@
FILE *fp = fopen(path, mode);
if (!fp) {
bb_simple_perror_msg(path);
- errno = 0;
+ //errno = 0; /* why? */
}
return fp;
}