mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 21:10:07 +00:00
433 lines
14 KiB
C
433 lines
14 KiB
C
/* Copyright (C) 1997, 1998, 2000 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. 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;
|
|
int 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, "$(((2+3)*(4+5)))", 0, 1, { "45", }, IFS },
|
|
|
|
/* Advanced parameter expansion */
|
|
{ 0, NULL, "${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 },
|
|
|
|
{ -1, NULL, NULL, 0, 0, { NULL, }, IFS },
|
|
};
|
|
|
|
static int testit (struct test_case_struct *tc);
|
|
static int tests;
|
|
|
|
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 %d\n",
|
|
tc->words, tc->retval, tc->wordc);
|
|
if (start_offs != 0)
|
|
printf ("(preceded by %d NULLs)\n", start_offs);
|
|
printf ("Got retval %d, wordc %d: ", 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;
|
|
}
|