[git commit] ifupdown: remove unused errno assignments

[Denys Vlasenko]

commit: http://git.busybox.net/busybox/commit/?id=a803bfa0f06c10d8581bd457b9ba937466c73588
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

function                                             old     new   delta
execute                                              607     571     -36

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 networking/ifupdown.c |    9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index 9fc1266..650cc70 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -49,9 +49,6 @@
 #include <fnmatch.h>
 
 #define MAX_OPT_DEPTH 10
-#define EUNBALBRACK 10001
-#define EUNDEFVAR   10002
-#define EUNBALPER   10000
 
 #if ENABLE_FEATURE_IFUPDOWN_MAPPING
 #define MAX_INTERFACE_LENGTH 10
@@ -283,7 +280,7 @@ static char *parse(const char *command, struct interface_defn_t *ifd)
 				command++;
 				nextpercent = strchr(command, '%');
 				if (!nextpercent) {
-					errno = EUNBALPER;
+					/* Unterminated %var% */
 					free(result);
 					return NULL;
 				}
@@ -328,13 +325,13 @@ static char *parse(const char *command, struct interface_defn_t *ifd)
 	}
 
 	if (opt_depth > 1) {
-		errno = EUNBALBRACK;
+		/* Unbalanced bracket */
 		free(result);
 		return NULL;
 	}
 
 	if (!okay[0]) {
-		errno = EUNDEFVAR;
+		/* Undefined variable and we aren't in a bracket */
 		free(result);
 		return NULL;
 	}