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authorMartijn Dekker <martijn@inlv.org>2016-10-13 11:30:32 +0200
committerPeter Stephenson <pws@zsh.org>2016-10-13 10:49:02 +0100
commit31c6cfca9cc665feae46f4680687e902ad1bf9d7 (patch)
treeda4ae51cce25b0db9c36c5267a1612f0c414ef15 /Src/loop.c
parent9d393f7b7dcac9a45dab05878d8550829bc7c9ad (diff)
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39625: case needs to reset lastval if no pattern matched
Diffstat (limited to 'Src/loop.c')
-rw-r--r--Src/loop.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/Src/loop.c b/Src/loop.c
index 94b61b7ed..b791a898d 100644
--- a/Src/loop.c
+++ b/Src/loop.c
@@ -584,7 +584,7 @@ execcase(Estate state, int do_exec)
     Wordcode end, next;
     wordcode code = state->pc[-1];
     char *word, *pat;
-    int npat, save, nalts, ialt, patok;
+    int npat, save, nalts, ialt, patok, anypatok;
     Patprog *spprog, pprog;
 
     end = state->pc + WC_CASE_SKIP(code);
@@ -592,6 +592,7 @@ execcase(Estate state, int do_exec)
     word = ecgetstr(state, EC_DUP, NULL);
     singsub(&word);
     untokenize(word);
+    anypatok = 0;
 
     cmdpush(CS_CASE);
     while (state->pc < end) {
@@ -648,7 +649,7 @@ execcase(Estate state, int do_exec)
 		    *spprog = pprog;
 	    }
 	    if (pprog && pattry(pprog, word))
-		patok = 1;
+		patok = anypatok = 1;
 	    state->pc += 2;
 	    nalts--;
 	}
@@ -679,6 +680,9 @@ execcase(Estate state, int do_exec)
 
     state->pc = end;
 
+    if (!anypatok)
+	lastval = 0;
+
     return lastval;
 }