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authorUlrich Drepper <drepper@redhat.com>1998-03-12 17:26:19 +0000
committerUlrich Drepper <drepper@redhat.com>1998-03-12 17:26:19 +0000
commit8d9618b7f6ecbcd04fd572140bbecaf9be10d376 (patch)
treece9f6b373142f8875c9d6a4543e20c732afab18a /posix
parenteb13b9a02d939ee7440472c5a5f86e55f3adbd54 (diff)
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Update.
1998-03-12 13:11 Tim Waugh <tim@cyberelk.demon.co.uk> * posix/wordexp-test.c: More tests. (main): Set up arena for pathname expansion tests (in a temporary directory). (testit): Don't check word count or word vector if return value is non-zero. * posix/wordexp.c (exec_comm): Always chop off terminating linefeed (just like bash does). (parse_param): Change lots of occurrences of "if (!*env)" to "if (!env || !*env)". (parse_param): For assignment inside parameter expansion, use all expanded words in assignment rather than just the first. (parse_param): Corrected return value for parameter expansion of an unset variable when WRDE_UNDEF is in effect. (parse_dollars): Don't field-split if quoted. (wordexp): Opening brace character isn't allowed unquoted. 1998-03-12 Ulrich Drepper <drepper@cygnus.com> * elf/dlerror.c: Fix concurrency problems with error string and number. * elf/dl-deps.c (_dl_map_object_deps): Print debug info when filter/auxiliary are being loaded. 1998-03-12 14:24 Ulrich Drepper <drepper@cygnus.com> * elf/dlerror.c (last_object_name): Removed. (dlerror): Don't use last_object_name. (_dl_error_run): Omit second argument to _dl_catch_error. * elf/dl-error.c (struct catch): Remove objname member. (_dl_signal_error): Construct string including objname when given. (_dl_catch_error): Remove objname handling. * elf/link.h (_dl_catch_error): Fix prototype and comment. * elf/rtld.c (dl_main): Call _dl_catch_error correctly. * elf/dl-deps.c (_dl_map_objet_deps): Likewise. * nss/nsswitch.c (nss_dlerror_run): Likewise. * iconv/gconv_dl.c (dlerror_run): Likewise. [Corrects PR libc/501].
Diffstat (limited to 'posix')
-rw-r--r--posix/wordexp-test.c73
-rw-r--r--posix/wordexp.c60
2 files changed, 112 insertions, 21 deletions
diff --git a/posix/wordexp-test.c b/posix/wordexp-test.c
index cb15fe0..965e26b 100644
--- a/posix/wordexp-test.c
+++ b/posix/wordexp-test.c
@@ -16,6 +16,10 @@
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>
@@ -33,10 +37,12 @@ struct test_case_struct
const char *wordv[10];
} test_case[] =
{
- /* Simple word-splitting */
+ /* Simple field-splitting */
{ 0, NULL, "one", 0, 1, { "one", } },
{ 0, NULL, "one two", 0, 2, { "one", "two", } },
{ 0, NULL, "one two three", 0, 3, { "one", "two", "three", } },
+ { 0, NULL, " \tfoo\t\tbar ", 0, 2, { "foo", "bar", } },
+ { 0, NULL, " red , white blue", 0, 3, { "red", "white", "blue", } },
/* Simple parameter expansion */
{ 0, "foo", "${var}", 0, 1, { "foo", } },
@@ -50,15 +56,14 @@ struct test_case_struct
/* Simple command substitution */
{ 0, NULL, "$(echo hello)", 0, 1, { "hello", } },
{ 0, NULL, "$( (echo hello) )", 0, 1, { "hello", } },
+ { 0, NULL, "$((echo hello);(echo there))", 0, 2, { "hello", "there", } },
+ { 0, NULL, "`echo one two`", 0, 2, { "one", "two", } },
/* Simple arithmetic expansion */
{ 0, NULL, "$((1 + 1))", 0, 1, { "2", } },
{ 0, NULL, "$((2-3))", 0, 1, { "-1", } },
{ 0, NULL, "$((-1))", 0, 1, { "-1", } },
-
- /* Field splitting */
- { 0, NULL, " \tfoo\t\tbar ", 0, 2, { "foo", "bar", } },
- { 0, NULL, " red , white blue", 0, 3, { "red", "white", "blue", } },
+ { 0, NULL, "$[50+20]", 0, 1, { "70", } },
/* Advanced parameter expansion */
{ 0, NULL, "${var:-bar}", 0, 1, { "bar", } },
@@ -84,6 +89,50 @@ struct test_case_struct
{ 0, "borabora-island", "${var#*bora}", 0, 1, { "bora-island", } },
{ 0, "borabora-island", "${var##*bora}", 0, 1, {"-island", } },
+ /* Pathname expansion */
+ { 0, NULL, "???", 0, 2, { "one", "two", } },
+ { 0, NULL, "[ot]??", 0, 2, { "one", "two", } },
+ { 0, NULL, "t*", 0, 2, { "three", "two", } },
+ { 0, NULL, "\"t\"*", 0, 2, { "three", "two", } },
+
+ /* Nested constructs */
+ { 0, "one two", "$var", 0, 2, { "one", "two", } },
+ { 0, "one two three", "$var", 0, 3, { "one", "two", "three", } },
+ { 0, " \tfoo\t\tbar ", "$var", 0, 2, { "foo", "bar", } },
+ { 0, " red , white blue", "$var", 0, 3, { "red", "white", "blue", } },
+ { 0, " red , white blue", "\"$var\"", 0, 1, { " red , white blue", } },
+ { 0, NULL, "\"$(echo hello there)\"", 0, 1, { "hello there", } },
+ { 0, NULL, "\"$(echo \"hello there\")\"", 0, 1, { "hello there", } },
+ { 0, NULL, "${var=one two} \"$var\"", 0, 3, { "one", "two", "one two", } },
+ { 0, "1", "$(( $(echo 3)+$var ))", 0, 1, { "4", } },
+ { 0, NULL, "\"$(echo \"*\")\"", 0, 1, { "*", } },
+
+ /* Other things that should succeed */
+ { 0, NULL, "\\*\"|&;<>\"\\(\\)\\{\\}", 0, 1, { "*|&;<>(){}", } },
+ { 0, "???", "$var", 0, 1, { "???", } },
+ { 0, NULL, "$var", 0, 0, { NULL, } },
+ { 0, NULL, "\"\\n\"", 0, 1, { "\\n", } },
+ { 0, NULL, "", 0, 0, { NULL, } },
+
+ /* Things that should fail */
+ { WRDE_BADCHAR, NULL, "new\nline", 0, 0, { NULL, } },
+ { WRDE_BADCHAR, NULL, "pipe|symbol", 0, 0, { NULL, } },
+ { WRDE_BADCHAR, NULL, "&ampersand", 0, 0, { NULL, } },
+ { WRDE_BADCHAR, NULL, "semi;colon", 0, 0, { NULL, } },
+ { WRDE_BADCHAR, NULL, "<greater", 0, 0, { NULL, } },
+ { WRDE_BADCHAR, NULL, "less>", 0, 0, { NULL, } },
+ { WRDE_BADCHAR, NULL, "(open-paren", 0, 0, { NULL, } },
+ { WRDE_BADCHAR, NULL, "close-paren)", 0, 0, { NULL, } },
+ { WRDE_BADCHAR, NULL, "{open-brace", 0, 0, { NULL, } },
+ { WRDE_BADCHAR, NULL, "close-brace}", 0, 0, { NULL, } },
+ { WRDE_CMDSUB, NULL, "$(ls)", WRDE_NOCMD, 0, { NULL, } },
+ { WRDE_BADVAL, NULL, "$var", WRDE_UNDEF, 0, { NULL, } },
+ { WRDE_SYNTAX, NULL, "$[50+20))", 0, 0, { NULL, } },
+ { WRDE_SYNTAX, NULL, "${%%noparam}", 0, 0, { NULL, } },
+ { WRDE_SYNTAX, NULL, "${missing-brace", 0, 0, { NULL, } },
+ { WRDE_SYNTAX, NULL, "$((2+))", 0, 0, { NULL, } },
+ { WRDE_SYNTAX, NULL, "`", 0, 0, { NULL, } },
+
{ -1, NULL, NULL, 0, 0, { NULL, } },
};
@@ -103,9 +152,11 @@ command_line_test (const char *words)
int
main (int argc, char *argv[])
{
+ char tmpdir[32];
struct passwd *pw;
int test;
int fail = 0;
+ int fd;
if (argc > 1)
{
@@ -114,6 +165,16 @@ main (int argc, char *argv[])
}
setenv ("IFS", IFS, 1);
+
+ /* Set up arena for pathname expansion */
+ tmpnam (tmpdir);
+ if (mkdir (tmpdir, S_IRWXU) ||
+ chdir (tmpdir) ||
+ (fd = creat ("one", S_IRWXU)) == -1 || close (fd) ||
+ (fd = creat ("two", S_IRWXU)) == -1 || close (fd) ||
+ (fd = creat ("three", S_IRWXU)) == -1 || close (fd))
+ return -1;
+
for (test = 0; test_case[test].retval != -1; test++)
if (testit (&test_case[test]))
++fail;
@@ -155,7 +216,7 @@ testit (struct test_case_struct *tc)
printf ("Test %d: ", ++test);
retval = wordexp (tc->words, &we, tc->flags);
- if (retval != tc->retval || we.we_wordc != tc->wordc)
+ if (retval != tc->retval || (retval != 0 && we.we_wordc != tc->wordc))
bzzzt = 1;
else
for (i = 0; i < we.we_wordc; ++i)
diff --git a/posix/wordexp.c b/posix/wordexp.c
index 869598a..a72a677 100644
--- a/posix/wordexp.c
+++ b/posix/wordexp.c
@@ -831,6 +831,11 @@ exec_comm (char *comm, char **word, size_t *word_length, size_t *max_length,
}
close (fildes[0]);
+
+ /* bash chops off a terminating linefeed, which seems sensible */
+ if ((*word)[*word_length - 1] == '\n')
+ (*word)[--*word_length] = '\0';
+
return 0;
}
else
@@ -1100,7 +1105,7 @@ parse_param (char **word, size_t *word_length, size_t *max_length,
break;
case '%':
- if (!*env)
+ if (!env || !*env)
goto syntax;
/* Separating variable name from suffix pattern? */
@@ -1124,7 +1129,7 @@ parse_param (char **word, size_t *word_length, size_t *max_length,
break;
case ':':
- if (!*env)
+ if (!env || !*env)
goto syntax;
if (action != '\0' || remove != RP_NONE)
@@ -1150,7 +1155,7 @@ parse_param (char **word, size_t *word_length, size_t *max_length,
case '=':
case '?':
case '+':
- if (!*env)
+ if (!env || !*env)
goto syntax;
if (substitute_length)
@@ -1252,14 +1257,16 @@ envsubst:
if (!quoted || *env == '*')
{
/* Build up value parameter by parameter (copy them) */
- for (p = 1; __libc_argv[p]; p++)
+ for (p = 1; __libc_argv[p]; ++p)
{
- char * old_pointer = value;
+ char *old_pointer = value;
+ size_t argv_len = strlen (__libc_argv[p]);
+ size_t old_plist_len = plist_len;
if (value)
value[plist_len - 1] = 0;
- plist_len += 1 + strlen (__libc_argv[p]);
+ plist_len += 1 + argv_len;
/* First realloc will act as malloc because value is
* initialised to NULL. */
@@ -1270,7 +1277,7 @@ envsubst:
return WRDE_NOSPACE;
}
- strcat (value, __libc_argv[p]);
+ memcpy (&value[old_plist_len - 1], __libc_argv[p], argv_len + 1);
if (__libc_argv[p + 1])
{
value[plist_len - 1] = '\0';
@@ -1497,16 +1504,38 @@ envsubst:
== WRDE_NOSPACE)
break;
+ if (i < we.we_wordc)
+ {
+ /* Ran out of space */
+ wordfree (&we);
+ goto no_space;
+ }
+
if (action == '=')
- /* Also assign */
- setenv (env, we.we_wordv[0], 1); /* need to strdup? */
+ {
+ char *words;
+ char *cp;
+ size_t words_size = 0;
- wordfree (&we);
+ for (i = 0; i < we.we_wordc; i++)
+ words_size += strlen (we.we_wordv[i]) + 1; /* for <space> */
+ words_size++;
- if (i < we.we_wordc)
- /* Ran out of space */
- goto no_space;
+ cp = words = __alloca (words_size);
+ *words = 0;
+ for (i = 0; i < we.we_wordc - 1; i++)
+ {
+ cp = __stpcpy (cp, we.we_wordv[i]);
+ *cp++ = ' ';
+ }
+ __stpcpy (cp, we.we_wordv[i]);
+
+ /* Also assign */
+ setenv (env, words, 1);
+ }
+
+ wordfree (&we);
return 0;
}
@@ -1550,7 +1579,7 @@ envsubst:
{
/* Variable not defined */
if (flags & WRDE_UNDEF)
- return WRDE_SYNTAX;
+ return WRDE_BADVAL;
return 0;
}
@@ -1694,7 +1723,7 @@ parse_dollars (char **word, size_t *word_length, size_t *max_length,
(*offset) += 2;
return parse_comm (word, word_length, max_length, words, offset, flags,
- pwordexp, ifs, ifs_white);
+ quoted? NULL : pwordexp, ifs, ifs_white);
case '[':
(*offset) += 2;
@@ -1946,6 +1975,7 @@ wordexp (const char *words, wordexp_t *pwordexp, int flags)
case '>':
case '(':
case ')':
+ case '{':
case '}':
/* Fail */
wordfree (pwordexp);