| /* Copyright (C) 1997, 1998, 2000, 2001, 2003 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <pwd.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <wordexp.h> |
| |
| #define IFS " \n\t" |
| |
| struct test_case_struct |
| { |
| int retval; |
| const char *env; |
| const char *words; |
| int flags; |
| size_t wordc; |
| const char *wordv[10]; |
| const char *ifs; |
| } test_case[] = |
| { |
| /* Simple word- and field-splitting */ |
| { 0, NULL, "one", 0, 1, { "one", }, IFS }, |
| { 0, NULL, "one two", 0, 2, { "one", "two", }, IFS }, |
| { 0, NULL, "one two three", 0, 3, { "one", "two", "three", }, IFS }, |
| { 0, NULL, " \tfoo\t\tbar ", 0, 2, { "foo", "bar", }, IFS }, |
| { 0, NULL, "red , white blue", 0, 4, { "red", ",", "white", "blue", }, " ," }, |
| { 0, NULL, "one two three", 0, 3, { "one", "two", "three", }, "" }, |
| { 0, NULL, "one \"two three\"", 0, 2, { "one", "two three", }, IFS }, |
| { 0, NULL, "one \"two three\"", 0, 2, { "one", "two three", }, "" }, |
| { 0, "two three", "one \"$var\"", 0, 2, { "one", "two three", }, IFS }, |
| { 0, "two three", "one $var", 0, 3, { "one", "two", "three", }, IFS }, |
| { 0, "two three", "one \"$var\"", 0, 2, { "one", "two three", }, "" }, |
| { 0, "two three", "one $var", 0, 2, { "one", "two three", }, "" }, |
| |
| /* The non-whitespace IFS char at the end delimits the second field |
| * but does NOT start a new field. */ |
| { 0, ":abc:", "$var", 0, 2, { "", "abc", }, ":" }, |
| |
| { 0, NULL, "$(echo :abc:)", 0, 2, { "", "abc", }, ":" }, |
| { 0, NULL, "$(echo :abc:\\ )", 0, 2, { "", "abc", }, ": " }, |
| { 0, NULL, "$(echo :abc\\ )", 0, 2, { "", "abc", }, ": " }, |
| { 0, ":abc:", "$(echo $var)", 0, 2, { "", "abc", }, ":" }, |
| { 0, NULL, ":abc:", 0, 1, { ":abc:", }, ":" }, |
| { 0, NULL, "$(echo :abc:)def", 0, 3, { "", "abc", "def", }, |
| ":" }, |
| { 0, NULL, "$(echo abc:de)f", 0, 2, { "abc", "def", }, ":" }, |
| { 0, NULL, "$(echo abc:de)f:ghi", 0, 2, { "abc", "def:ghi", }, |
| ":" }, |
| { 0, NULL, "abc:d$(echo ef:ghi)", 0, 2, { "abc:def", "ghi", }, |
| ":" }, |
| { 0, "abc:", "$var$(echo def:ghi)", 0, 3, { "abc", "def", |
| "ghi", }, ":" }, |
| { 0, "abc:d", "$var$(echo ef:ghi)", 0, 3, { "abc", "def", |
| "ghi", }, ":" }, |
| { 0, "def:ghi", "$(echo abc:)$var", 0, 3, { "abc", "def", |
| "ghi", }, ":" }, |
| { 0, "ef:ghi", "$(echo abc:d)$var", 0, 3, { "abc", "def", |
| "ghi", }, ":" }, |
| |
| /* Simple parameter expansion */ |
| { 0, "foo", "${var}", 0, 1, { "foo", }, IFS }, |
| { 0, "foo", "$var", 0, 1, { "foo", }, IFS }, |
| { 0, "foo", "\\\"$var\\\"", 0, 1, { "\"foo\"", }, IFS }, |
| { 0, "foo", "%$var%", 0, 1, { "%foo%", }, IFS }, |
| { 0, "foo", "-$var-", 0, 1, { "-foo-", }, IFS }, |
| |
| /* Simple quote removal */ |
| { 0, NULL, "\"quoted\"", 0, 1, { "quoted", }, IFS }, |
| { 0, "foo", "\"$var\"\"$var\"", 0, 1, { "foofoo", }, IFS }, |
| { 0, NULL, "'singly-quoted'", 0, 1, { "singly-quoted", }, IFS }, |
| { 0, NULL, "contin\\\nuation", 0, 1, { "continuation", }, IFS }, |
| { 0, NULL, "explicit ''", 0, 2, { "explicit", "", }, IFS }, |
| { 0, NULL, "explicit \"\"", 0, 2, { "explicit", "", }, IFS }, |
| { 0, NULL, "explicit ``", 0, 1, { "explicit", }, IFS }, |
| |
| /* Simple command substitution */ |
| { 0, NULL, "$(echo hello)", 0, 1, { "hello", }, IFS }, |
| { 0, NULL, "$( (echo hello) )", 0, 1, { "hello", }, IFS }, |
| { 0, NULL, "$((echo hello);(echo there))", 0, 2, { "hello", "there", }, IFS }, |
| { 0, NULL, "`echo one two`", 0, 2, { "one", "two", }, IFS }, |
| { 0, NULL, "$(echo ')')", 0, 1, { ")" }, IFS }, |
| { 0, NULL, "$(echo hello; echo)", 0, 1, { "hello", }, IFS }, |
| { 0, NULL, "a$(echo b)c", 0, 1, { "abc", }, IFS }, |
| |
| /* Simple arithmetic expansion */ |
| { 0, NULL, "$((1 + 1))", 0, 1, { "2", }, IFS }, |
| { 0, NULL, "$((2-3))", 0, 1, { "-1", }, IFS }, |
| { 0, NULL, "$((-1))", 0, 1, { "-1", }, IFS }, |
| { 0, NULL, "$[50+20]", 0, 1, { "70", }, IFS }, |
| { 0, NULL, "$(((2+3)*(4+5)))", 0, 1, { "45", }, IFS }, |
| { 0, NULL, "$((010))", 0, 1, { "8" }, IFS }, |
| { 0, NULL, "$((0x10))", 0, 1, { "16" }, IFS }, |
| { 0, NULL, "$((010+0x10))", 0, 1, { "24" }, IFS }, |
| { 0, NULL, "$((-010+0x10))", 0, 1, { "8" }, IFS }, |
| { 0, NULL, "$((-0x10+010))", 0, 1, { "-8" }, IFS }, |
| |
| /* Advanced parameter expansion */ |
| { 0, NULL, "${var:-bar}", 0, 1, { "bar", }, IFS }, |
| { 0, NULL, "${var-bar}", 0, 1, { "bar", }, IFS }, |
| { 0, "", "${var:-bar}", 0, 1, { "bar", }, IFS }, |
| { 0, "foo", "${var:-bar}", 0, 1, { "foo", }, IFS }, |
| { 0, "", "${var-bar}", 0, 0, { NULL, }, IFS }, |
| { 0, NULL, "${var:=bar}", 0, 1, { "bar", }, IFS }, |
| { 0, NULL, "${var=bar}", 0, 1, { "bar", }, IFS }, |
| { 0, "", "${var:=bar}", 0, 1, { "bar", }, IFS }, |
| { 0, "foo", "${var:=bar}", 0, 1, { "foo", }, IFS }, |
| { 0, "", "${var=bar}", 0, 0, { NULL, }, IFS }, |
| { 0, "foo", "${var:?bar}", 0, 1, { "foo", }, IFS }, |
| { 0, NULL, "${var:+bar}", 0, 0, { NULL, }, IFS }, |
| { 0, NULL, "${var+bar}", 0, 0, { NULL, }, IFS }, |
| { 0, "", "${var:+bar}", 0, 0, { NULL, }, IFS }, |
| { 0, "foo", "${var:+bar}", 0, 1, { "bar", }, IFS }, |
| { 0, "", "${var+bar}", 0, 1, { "bar", }, IFS }, |
| { 0, "12345", "${#var}", 0, 1, { "5", }, IFS }, |
| { 0, NULL, "${var:-'}'}", 0, 1, { "}", }, IFS }, |
| { 0, NULL, "${var-}", 0, 0, { NULL }, IFS }, |
| |
| { 0, "pizza", "${var#${var}}", 0, 0, { NULL }, IFS }, |
| { 0, "pepperoni", "${var%$(echo oni)}", 0, 1, { "pepper" }, IFS }, |
| { 0, "6pack", "${var#$((6))}", 0, 1, { "pack" }, IFS }, |
| { 0, "b*witched", "${var##b*}", 0, 0, { NULL }, IFS }, |
| { 0, "b*witched", "${var##\"b*\"}", 0, 1, { "witched" }, IFS }, |
| { 0, "banana", "${var%na*}", 0, 1, { "bana", }, IFS }, |
| { 0, "banana", "${var%%na*}", 0, 1, { "ba", }, IFS }, |
| { 0, "borabora-island", "${var#*bora}", 0, 1, { "bora-island", }, IFS }, |
| { 0, "borabora-island", "${var##*bora}", 0, 1, { "-island", }, IFS }, |
| { 0, "coconut", "${var##\\*co}", 0, 1, { "coconut", }, IFS }, |
| { 0, "100%", "${var%0%}", 0, 1, { "10" }, IFS }, |
| |
| /* Pathname expansion */ |
| { 0, NULL, "???", 0, 2, { "one", "two", }, IFS }, |
| { 0, NULL, "[ot]??", 0, 2, { "one", "two", }, IFS }, |
| { 0, NULL, "t*", 0, 2, { "three", "two", }, IFS }, |
| { 0, NULL, "\"t\"*", 0, 2, { "three", "two", }, IFS }, |
| |
| /* Nested constructs */ |
| { 0, "one two", "$var", 0, 2, { "one", "two", }, IFS }, |
| { 0, "one two three", "$var", 0, 3, { "one", "two", "three", }, IFS }, |
| { 0, " \tfoo\t\tbar ", "$var", 0, 2, { "foo", "bar", }, IFS }, |
| { 0, " red , white blue", "$var", 0, 3, { "red", "white", "blue", }, ", \n\t" }, |
| { 0, " red , white blue", "\"$var\"", 0, 1, { " red , white blue", }, ", \n\t" }, |
| { 0, NULL, "\"$(echo hello there)\"", 0, 1, { "hello there", }, IFS }, |
| { 0, NULL, "\"$(echo \"hello there\")\"", 0, 1, { "hello there", }, IFS }, |
| { 0, NULL, "${var=one two} \"$var\"", 0, 3, { "one", "two", "one two", }, IFS }, |
| { 0, "1", "$(( $(echo 3)+$var ))", 0, 1, { "4", }, IFS }, |
| { 0, NULL, "\"$(echo \"*\")\"", 0, 1, { "*", }, IFS }, |
| { 0, NULL, "\"a\n\n$(echo)b\"", 0, 1, { "a\n\nb", }, IFS }, |
| { 0, "foo", "*$var*", 0, 1, { "*foo*", }, IFS }, |
| { 0, "o thr", "*$var*", 0, 2, { "two", "three" }, IFS }, |
| |
| /* Different IFS values */ |
| { 0, "a b\tc\nd ", "$var", 0, 4, { "a", "b", "c", "d" }, NULL /* unset */ }, |
| { 0, "a b\tc d ", "$var", 0, 1, { "a b\tc d " }, "" /* `null' */ }, |
| { 0, "a,b c\n, d", "$var", 0, 3, { "a", "b c", " d" }, "\t\n," }, |
| |
| /* Other things that should succeed */ |
| { 0, NULL, "\\*\"|&;<>\"\\(\\)\\{\\}", 0, 1, { "*|&;<>(){}", }, IFS }, |
| { 0, "???", "$var", 0, 1, { "???", }, IFS }, |
| { 0, NULL, "$var", 0, 0, { NULL, }, IFS }, |
| { 0, NULL, "\"\\n\"", 0, 1, { "\\n", }, IFS }, |
| { 0, NULL, "", 0, 0, { NULL, }, IFS }, |
| |
| /* Flags not already covered (testit() has special handling for these) */ |
| { 0, NULL, "one two", WRDE_DOOFFS, 2, { "one", "two", }, IFS }, |
| { 0, NULL, "appended", WRDE_APPEND, 3, { "pre1", "pre2", "appended", }, IFS }, |
| { 0, NULL, "appended", WRDE_DOOFFS|WRDE_APPEND, 3, { "pre1", "pre2", "appended", }, IFS }, |
| |
| /* Things that should fail */ |
| { WRDE_BADCHAR, NULL, "new\nline", 0, 0, { NULL, }, "" /* \n not IFS */ }, |
| { WRDE_BADCHAR, NULL, "pipe|symbol", 0, 0, { NULL, }, IFS }, |
| { WRDE_BADCHAR, NULL, "&ersand", 0, 0, { NULL, }, IFS }, |
| { WRDE_BADCHAR, NULL, "semi;colon", 0, 0, { NULL, }, IFS }, |
| { WRDE_BADCHAR, NULL, "<greater", 0, 0, { NULL, }, IFS }, |
| { WRDE_BADCHAR, NULL, "less>", 0, 0, { NULL, }, IFS }, |
| { WRDE_BADCHAR, NULL, "(open-paren", 0, 0, { NULL, }, IFS }, |
| { WRDE_BADCHAR, NULL, "close-paren)", 0, 0, { NULL, }, IFS }, |
| { WRDE_BADCHAR, NULL, "{open-brace", 0, 0, { NULL, }, IFS }, |
| { WRDE_BADCHAR, NULL, "close-brace}", 0, 0, { NULL, }, IFS }, |
| { WRDE_CMDSUB, NULL, "$(ls)", WRDE_NOCMD, 0, { NULL, }, IFS }, |
| { WRDE_BADVAL, NULL, "$var", WRDE_UNDEF, 0, { NULL, }, IFS }, |
| { WRDE_BADVAL, NULL, "$9", WRDE_UNDEF, 0, { NULL, }, IFS }, |
| { WRDE_SYNTAX, NULL, "$[50+20))", 0, 0, { NULL, }, IFS }, |
| { WRDE_SYNTAX, NULL, "${%%noparam}", 0, 0, { NULL, }, IFS }, |
| { WRDE_SYNTAX, NULL, "${missing-brace", 0, 0, { NULL, }, IFS }, |
| { WRDE_SYNTAX, NULL, "$(for i in)", 0, 0, { NULL, }, IFS }, |
| { WRDE_SYNTAX, NULL, "$((2+))", 0, 0, { NULL, }, IFS }, |
| { WRDE_SYNTAX, NULL, "`", 0, 0, { NULL, }, IFS }, |
| { WRDE_SYNTAX, NULL, "$((010+4+))", 0, 0, { NULL }, IFS }, |
| |
| { -1, NULL, NULL, 0, 0, { NULL, }, IFS }, |
| }; |
| |
| static int testit (struct test_case_struct *tc); |
| static int tests; |
| |
| static void |
| command_line_test (const char *words) |
| { |
| wordexp_t we; |
| int i; |
| int retval = wordexp (words, &we, 0); |
| printf ("wordexp returned %d\n", retval); |
| for (i = 0; i < we.we_wordc; i++) |
| printf ("we_wordv[%d] = \"%s\"\n", i, we.we_wordv[i]); |
| } |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| const char *globfile[] = { "one", "two", "three", NULL }; |
| char tmpdir[32]; |
| struct passwd *pw; |
| const char *cwd; |
| int test; |
| int fail = 0; |
| int i; |
| struct test_case_struct ts; |
| |
| if (argc > 1) |
| { |
| command_line_test (argv[1]); |
| return 0; |
| } |
| |
| cwd = getcwd (NULL, 0); |
| |
| /* Set up arena for pathname expansion */ |
| tmpnam (tmpdir); |
| if (mkdir (tmpdir, S_IRWXU) || chdir (tmpdir)) |
| return -1; |
| else |
| { |
| int fd; |
| |
| for (i = 0; globfile[i]; ++i) |
| if ((fd = creat (globfile[i], S_IRUSR | S_IWUSR)) == -1 |
| || close (fd)) |
| return -1; |
| } |
| |
| for (test = 0; test_case[test].retval != -1; test++) |
| if (testit (&test_case[test])) |
| ++fail; |
| |
| /* Tilde-expansion tests. */ |
| pw = getpwnam ("root"); |
| if (pw != NULL) |
| { |
| ts.retval = 0; |
| ts.env = NULL; |
| ts.words = "~root "; |
| ts.flags = 0; |
| ts.wordc = 1; |
| ts.wordv[0] = pw->pw_dir; |
| ts.ifs = IFS; |
| |
| if (testit (&ts)) |
| ++fail; |
| |
| ts.retval = 0; |
| ts.env = pw->pw_dir; |
| ts.words = "${var#~root}x"; |
| ts.flags = 0; |
| ts.wordc = 1; |
| ts.wordv[0] = "x"; |
| ts.ifs = IFS; |
| |
| if (testit (&ts)) |
| ++fail; |
| } |
| |
| /* "~" expands to value of $HOME when HOME is set */ |
| |
| setenv ("HOME", "/dummy/home", 1); |
| ts.retval = 0; |
| ts.env = NULL; |
| ts.words = "~ ~/foo"; |
| ts.flags = 0; |
| ts.wordc = 2; |
| ts.wordv[0] = "/dummy/home"; |
| ts.wordv[1] = "/dummy/home/foo"; |
| ts.ifs = IFS; |
| |
| if (testit (&ts)) |
| ++fail; |
| |
| /* "~" expands to home dir from passwd file if HOME is not set */ |
| |
| pw = getpwuid (getuid ()); |
| if (pw != NULL) |
| { |
| unsetenv ("HOME"); |
| ts.retval = 0; |
| ts.env = NULL; |
| ts.words = "~"; |
| ts.flags = 0; |
| ts.wordc = 1; |
| ts.wordv[0] = pw->pw_dir; |
| ts.ifs = IFS; |
| |
| if (testit (&ts)) |
| ++fail; |
| } |
| |
| puts ("tests completed, now cleaning up"); |
| |
| /* Clean up */ |
| for (i = 0; globfile[i]; ++i) |
| remove (globfile[i]); |
| |
| if (cwd == NULL) |
| cwd = ".."; |
| |
| chdir (cwd); |
| rmdir (tmpdir); |
| |
| printf ("tests failed: %d\n", fail); |
| |
| return fail != 0; |
| } |
| |
| |
| static int |
| testit (struct test_case_struct *tc) |
| { |
| int retval; |
| wordexp_t we, sav_we; |
| char *dummy; |
| int bzzzt = 0; |
| int start_offs = 0; |
| int i; |
| |
| if (tc->env) |
| setenv ("var", tc->env, 1); |
| else |
| unsetenv ("var"); |
| |
| if (tc->ifs) |
| setenv ("IFS", tc->ifs, 1); |
| else |
| unsetenv ("IFS"); |
| |
| sav_we.we_wordc = 99; |
| sav_we.we_wordv = &dummy; |
| sav_we.we_offs = 3; |
| we = sav_we; |
| |
| printf ("Test %d (%s): ", ++tests, tc->words); |
| |
| if (tc->flags & WRDE_APPEND) |
| { |
| /* initial wordexp() call, to be appended to */ |
| if (wordexp ("pre1 pre2", &we, tc->flags & ~WRDE_APPEND) != 0) |
| { |
| printf ("FAILED setup\n"); |
| return 1; |
| } |
| } |
| retval = wordexp (tc->words, &we, tc->flags); |
| |
| if (tc->flags & WRDE_DOOFFS) |
| start_offs = sav_we.we_offs; |
| |
| if (retval != tc->retval || (retval == 0 && we.we_wordc != tc->wordc)) |
| bzzzt = 1; |
| else if (retval == 0) |
| { |
| for (i = 0; i < start_offs; ++i) |
| if (we.we_wordv[i] != NULL) |
| { |
| bzzzt = 1; |
| break; |
| } |
| |
| for (i = 0; i < we.we_wordc; ++i) |
| if (we.we_wordv[i+start_offs] == NULL || |
| strcmp (tc->wordv[i], we.we_wordv[i+start_offs]) != 0) |
| { |
| bzzzt = 1; |
| break; |
| } |
| } |
| |
| if (bzzzt) |
| { |
| printf ("FAILED\n"); |
| printf ("Test words: <%s>, need retval %d, wordc %Zd\n", |
| tc->words, tc->retval, tc->wordc); |
| if (start_offs != 0) |
| printf ("(preceded by %d NULLs)\n", start_offs); |
| printf ("Got retval %d, wordc %Zd: ", retval, we.we_wordc); |
| if (retval == 0 || retval == WRDE_NOSPACE) |
| { |
| for (i = 0; i < we.we_wordc + start_offs; ++i) |
| if (we.we_wordv[i] == NULL) |
| printf ("NULL "); |
| else |
| printf ("<%s> ", we.we_wordv[i]); |
| } |
| printf ("\n"); |
| } |
| else if (retval != 0 && retval != WRDE_NOSPACE && |
| (we.we_wordc != sav_we.we_wordc || |
| we.we_wordv != sav_we.we_wordv || |
| we.we_offs != sav_we.we_offs)) |
| { |
| bzzzt = 1; |
| printf ("FAILED to restore wordexp_t members\n"); |
| } |
| else |
| printf ("OK\n"); |
| |
| if (retval == 0 || retval == WRDE_NOSPACE) |
| wordfree (&we); |
| |
| return bzzzt; |
| } |
