ash: LINENO starts from 0 in -c SCRIPT mode

The var_LINENO3.tests fails for hush: it does start from 0, but does not increment.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

shell/ash.c

@@ -14698,7 +14698,7 @@ int ash_main(int argc UNUSED_PARAM, char **argv)
 		// ^^ not necessary since now we special-case fd 0
 		// in save_fd_on_redirect()
 
-		lineno = 1;
+		lineno = 0; // bash compat
 		// dash: evalstring(minusc, sflag ? 0 : EV_EXIT);
 		// The above makes
 		//  ash -sc 'echo $-'

shell/ash_test/ash-misc/control_char3.right

@@ -1 +1 @@
-SHELL: line 1: : not found
+SHELL: line 0: : not found

shell/ash_test/ash-misc/control_char4.right

@@ -1 +1 @@
-SHELL: line 1: -: not found
+SHELL: line 0: -: not found

shell/ash_test/ash-misc/shift1.right

@@ -1,5 +1,5 @@
 2 3 4
-0: shift: line 1: Illegal number: -1
+0: shift: line 0: Illegal number: -1
 1 2 3 4
 2 3 4
 3 4

shell/ash_test/ash-misc/tickquote1.right

@@ -1 +1 @@
-./tickquote1.tests: line 1: syntax error: unterminated quoted string
+./tickquote1.tests: line 0: syntax error: unterminated quoted string

shell/ash_test/ash-parsing/groups_and_keywords2.right

@@ -1,3 +1,3 @@
-./groups_and_keywords2.tests: eval: line 1: syntax error: unexpected ")"
+./groups_and_keywords2.tests: eval: line 2: syntax error: unexpected ")"
 Fail:2
 ./groups_and_keywords2.tests: line 8: syntax error: unexpected ")"

shell/ash_test/ash-psubst/emptytick.right

@@ -1,8 +1,8 @@
 0
 0
-./emptytick.tests: line 1: : Permission denied
+./emptytick.tests: line 2: : Permission denied
 127
-./emptytick.tests: line 1: : Permission denied
+./emptytick.tests: line 3: : Permission denied
 127
 0
 0

shell/ash_test/ash-vars/param_expand_alt.right

@@ -1,5 +1,5 @@
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution
 __
 _z_ _z_
 _ _ _ _ _

shell/ash_test/ash-vars/param_expand_assign.right

@@ -1,11 +1,11 @@
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution
 0
-SHELL: line 1: 1: bad variable name
+SHELL: line 0: 1: bad variable name
-SHELL: line 1: 1: bad variable name
+SHELL: line 0: 1: bad variable name
-SHELL: line 1: 1: bad variable name
+SHELL: line 0: 1: bad variable name
-SHELL: line 1: 1: bad variable name
+SHELL: line 0: 1: bad variable name
 _aa
 _aa
 _aa

shell/ash_test/ash-vars/param_expand_bash_substring.right

@@ -1,8 +1,8 @@
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution
-SHELL: line 1: syntax error: missing '}'
+SHELL: line 0: syntax error: missing '}'
 0
 1    =||
 1:1  =||

shell/ash_test/ash-vars/param_expand_default.right

@@ -1,4 +1,4 @@
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution
 _0 _0
 _ _ _ _word _word
 _aaaa _aaaa _aaaa _aaaa _aaaa

shell/ash_test/ash-vars/param_expand_indicate_error.right

@@ -1,14 +1,14 @@
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution
 1
 0
 ====
 _
-SHELL: line 1: 1: parameter not set
+SHELL: line 0: 1: parameter not set
-SHELL: line 1: 1: parameter not set or null
+SHELL: line 0: 1: parameter not set or null
-SHELL: line 1: 1: message1
+SHELL: line 0: 1: message1
-SHELL: line 1: 1: message1
+SHELL: line 0: 1: message1
-SHELL: line 1: 1: unset!
+SHELL: line 0: 1: unset!
-SHELL: line 1: 1: null or unset!
+SHELL: line 0: 1: null or unset!
 ====
 _aaaa
 _aaaa
@@ -19,20 +19,20 @@ _aaaa
 _aaaa
 ====
 _
-SHELL: line 1: f: parameter not set
+SHELL: line 0: f: parameter not set
-SHELL: line 1: f: parameter not set or null
+SHELL: line 0: f: parameter not set or null
-SHELL: line 1: f: message3
+SHELL: line 0: f: message3
-SHELL: line 1: f: message3
+SHELL: line 0: f: message3
-SHELL: line 1: f: unset!
+SHELL: line 0: f: unset!
-SHELL: line 1: f: null or unset!
+SHELL: line 0: f: null or unset!
 ====
 _
 _
-SHELL: line 1: f: parameter not set or null
+SHELL: line 0: f: parameter not set or null
 _
-SHELL: line 1: f: message4
+SHELL: line 0: f: message4
 _
-SHELL: line 1: f: null or unset!
+SHELL: line 0: f: null or unset!
 ====
 _fff
 _fff

shell/ash_test/ash-vars/var6.right

@@ -1,2 +1,2 @@
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution
-SHELL: line 1: syntax error: bad substitution
+SHELL: line 0: syntax error: bad substitution

shell/ash_test/ash-vars/var_LINENO3.right

@@ -0,0 +1,2 @@
+LINENO starts from 0 in -c
+and increments on next line: 1

shell/ash_test/ash-vars/var_LINENO3.tests

@@ -0,0 +1,2 @@
+$THIS_SH -c 'echo "LINENO starts from $LINENO in -c"
+echo "and increments on next line: $LINENO"'

shell/hush_test/hush-vars/var_LINENO3.right

@@ -0,0 +1,2 @@
+LINENO starts from 0 in -c
+and increments on next line: 1

shell/hush_test/hush-vars/var_LINENO3.tests

@@ -0,0 +1,2 @@
+$THIS_SH -c 'echo "LINENO starts from $LINENO in -c"
+echo "and increments on next line: $LINENO"'