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authorDenis Vlasenko2008-07-29 13:36:09 +0000
committerDenis Vlasenko2008-07-29 13:36:09 +0000
commit4554b721ad230cdb5308b9ee61c20729c2c34ae8 (patch)
treefc7e114b9d54e4d8090f106acb31d1f7fe3f2320 /shell
parent45cb9f9581f514e1fc731d6d1146e0ee2333066a (diff)
downloadbusybox-4554b721ad230cdb5308b9ee61c20729c2c34ae8.zip
busybox-4554b721ad230cdb5308b9ee61c20729c2c34ae8.tar.gz
hush: small fix for repeated continue and fix for wrong loop depth count
after Ctrl-C; with testcase for first one
Diffstat (limited to 'shell')
-rw-r--r--shell/hush.c6
-rw-r--r--shell/hush_test/hush-misc/continue1.right8
-rwxr-xr-xshell/hush_test/hush-misc/continue1.tests4
3 files changed, 17 insertions, 1 deletions
diff --git a/shell/hush.c b/shell/hush.c
index a2649d0..ab067dd 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -2131,6 +2131,8 @@ static int run_list(struct pipe *pi)
/* ctrl-C. We just stop doing whatever we were doing */
bb_putchar('\n');
}
+ loop_top = NULL;
+ depth_of_loop = 0;
rcode = 0;
goto ret;
}
@@ -2152,7 +2154,9 @@ static int run_list(struct pipe *pi)
debug_printf_exec(": rword=%d cond_code=%d skip_more=%d\n",
rword, cond_code, skip_more_for_this_rword);
#if ENABLE_HUSH_LOOPS
- if (rword == RES_WHILE || rword == RES_UNTIL || rword == RES_FOR) {
+ if ((rword == RES_WHILE || rword == RES_UNTIL || rword == RES_FOR)
+ && loop_top == NULL /* avoid bumping depth_of_loop twice */
+ ) {
/* start of a loop: remember where loop starts */
loop_top = pi;
depth_of_loop++;
diff --git a/shell/hush_test/hush-misc/continue1.right b/shell/hush_test/hush-misc/continue1.right
new file mode 100644
index 0000000..c4a5565
--- /dev/null
+++ b/shell/hush_test/hush-misc/continue1.right
@@ -0,0 +1,8 @@
+A:a
+A:b
+A:c
+OK1
+A:a
+A:b
+A:c
+OK2
diff --git a/shell/hush_test/hush-misc/continue1.tests b/shell/hush_test/hush-misc/continue1.tests
new file mode 100755
index 0000000..72d3566
--- /dev/null
+++ b/shell/hush_test/hush-misc/continue1.tests
@@ -0,0 +1,4 @@
+for v in a b c; do echo A:$v; continue 666; done
+echo OK1
+for v in a b c; do echo A:$v; continue 666; done
+echo OK2