Bug fix and initial test-case infrastructure for control-character escaping

in the CLI.

FossilOrigin-Name: c809997792602a7299b8ab84d018a03d291695e308ce750fc8b9d7a824edfd6e

manifest

@@ -1,5 +1,5 @@
-C Ongoing\swork\sto\sget\sall\sthe\squoting\sand\sescaping\svariations\sin\sthe\sCLI\nworking\scorrectly.
-D 2025-02-24T12:41:30.706
+C Bug\sfix\sand\sinitial\stest-case\sinfrastructure\sfor\scontrol-character\sescaping\nin\sthe\sCLI.
+D 2025-02-24T13:27:16.805
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md e108e1e69ae8e8a59e93c455654b8ac9356a11720d3345df2a4743e9590fb20d
@@ -782,7 +782,7 @@ F src/random.c 606b00941a1d7dd09c381d3279a058d771f406c5213c9932bbd93d5587be4b9c
 F src/resolve.c 626c24b258b111f75c22107aa5614ad89810df3026f5ca071116d3fe75925c75
 F src/rowset.c 8432130e6c344b3401a8874c3cb49fefe6873fec593294de077afea2dce5ec97
 F src/select.c a076f7db3a0fcbd9f710d7746cfc07e0b3baadee45eb3136bedc29c598ef8f1c
-F src/shell.c.in 10182a36de8c86c90c59933d9d8a41657c34ecf4b80986d1e4f508c5d39f1cb8
+F src/shell.c.in b6b9db1a32ac2befb2547d1cc6d35aacffdce20832a9ef19bc2cbd6d9c210365
 F src/sqlite.h.in 8d4486fb28a90de818ac1e8c6206ea458e7de6bd8e0dfa3d554494f155be8c01
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h 3f046c04ea3595d6bfda99b781926b17e672fd6d27da2ba6d8d8fc39981dcb54
@@ -1647,6 +1647,7 @@ F test/shell6.test e3b883b61d4916b6906678a35f9d19054861123ad91b856461e0a456273bd
 F test/shell7.test 43fd8e511c533bab5232e95c7b4be93b243451709e89582600d4b6e67693d5c3
 F test/shell8.test aea51ecbcd4494c746b096aeff51d841d04d5f0dc4b62eb42427f16109b87acd
 F test/shell9.test 8742a5b390cdcef6369f5aa223e415aa4255a4129ef249b177887dc635a87209
+F test/shellA.test e7ff53be62d79ade789ae1d3108109ece789af43c20e4340fb1a6155c9283b09
 F test/shmlock.test 3dbf017d34ab0c60abe6a44e447d3552154bd0c87b41eaf5ceacd408dd13fda5
 F test/shortread1.test bb591ef20f0fd9ed26d0d12e80eee6d7ac8897a3
 F test/show_speedtest1_rtree.tcl 32e6c5f073d7426148a6936a0408f4b5b169aba5
@@ -2210,8 +2211,8 @@ F tool/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd7227350
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh 49a486c5069de041aedcbde4de178293e0463ae9918ecad7539eedf0ec77a139
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 14ff5557d450475ad959f8c753c0cecb85dfca7346fcacd91da16e4d36e30508
-R 11c66d594c249e2c939f76c526b8b2e2
+P b77aea93e7eff0af408f598727caedcfc4428361b8440fbc1cc54c18f93abb69
+R 07a37e0204e0b2223ab24d63dd235850
 U drh
-Z 582aa1340d3741b95a01f42fe569eeff
+Z 4fb627b379b6da581b9bfa45e4708891
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-b77aea93e7eff0af408f598727caedcfc4428361b8440fbc1cc54c18f93abb69
+c809997792602a7299b8ab84d018a03d291695e308ce750fc8b9d7a824edfd6e

src/shell.c.in

@@ -1976,7 +1976,7 @@ static void output_quoted_string(ShellState *p, const char *zInX){
 */
 static void output_quoted_escaped_string(ShellState *p, const char *z){
   char *zEscaped;
-  sqlite3_fsetmode(out, _O_BINARY);
+  sqlite3_fsetmode(p->out, _O_BINARY);
   if( p->eEscMode==SHELL_ESC_OFF ){
     zEscaped = sqlite3_mprintf("%Q", z);
   }else{

test/shellA.test

@@ -0,0 +1,89 @@
+# 2025-02-24
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# Test cases for the command-line shell - focusing on .mode and
+# especially control-character escaping and the --escape option.
+#
+# TESTRUNNER: shell
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set CLI [test_cli_invocation]
+db close
+forcedelete test.db test.db-journal test.db-wal
+sqlite3 db test.db
+
+do_execsql_test shellA-1.0 {
+  CREATE TABLE t1(a INT, x TEXT);
+  INSERT INTO t1 VALUES
+   (1, 'line with '' single quote'),
+   (2, concat(char(0x1b),'[31mVT-100 codes',char(0x1b),'[0m')),
+   (3, NULL),
+   (4, 1234),
+   (5, 568.25),
+   (6, unistr('new\u000aline')),
+   (7, unistr('carriage\u000dreturn')),
+   (8, 'last line');
+} {}
+
+# Initial verification that the database created correctly
+# and that our calls to the CLI are working.
+#
+do_test shellA-1.2 {
+  exec $CLI test.db {.mode box} {SELECT * FROM t1;}
+} {
+┌───┬──────────────────────────┐
+│ a │            x             │
+├───┼──────────────────────────┤
+│ 1 │ line with ' single quote │
+├───┼──────────────────────────┤
+│ 2 │ ␛[31mVT-100 codes␛[0m    │
+├───┼──────────────────────────┤
+│ 3 │                          │
+├───┼──────────────────────────┤
+│ 4 │ 1234                     │
+├───┼──────────────────────────┤
+│ 5 │ 568.25                   │
+├───┼──────────────────────────┤
+│ 6 │ new                      │
+│   │ line                     │
+├───┼──────────────────────────┤
+│ 7 │ carriage␍return          │
+├───┼──────────────────────────┤
+│ 8 │ last line                │
+└───┴──────────────────────────┘
+}
+
+# Default output mode uses symbols for control characters
+#
+do_test shellA-1.3 {
+  exec $CLI test.db {SELECT x FROM t1 WHERE a=2;}
+} {
+␛[31mVT-100 codes␛[0m
+}
+do_test shellA-1.4 {
+  exec $CLI test.db --escape ascii {SELECT x FROM t1 WHERE a=2;}
+} {
+^[[31mVT-100 codes^[[0m
+}
+do_test shellA-1.5 {
+  exec $CLI test.db {.mode list --escape symbol} {SELECT x FROM t1 WHERE a=2;}
+} {
+␛[31mVT-100 codes␛[0m
+}
+do_test shellA-1.6 {
+  exec $CLI test.db {.mode list --escape ascii} {SELECT x FROM t1 WHERE a=2;}
+} {
+^[[31mVT-100 codes^[[0m
+}
+
+finish_test