1998-03-14 00:52  Tim Waugh  <tim@cyberelk.demon.co.uk>

	* posix/wordexp.c (parse_param): Perform field-splitting after
	expanding positional parameter.

	* posix/wordexp-tst.sh: Test that field-splitting is performed
	after expanding positional parameter.

	* posix/wordexp.c (parse_param): Fixed memory leak in
	field-splitting after parameter expansion.

1998-03-14  Ulrich Drepper  <drepper@cygnus.com>

	* locale/programs/linereader.c (lr_token): Return EOF token at
	EOF.
	(get_toplvl_escape): Correctly terminate loop at EOF.
	Patch by Cristian Gafton <gafton@redhat.com>.
This commit is contained in:
Ulrich Drepper 1998-03-14 09:27:24 +00:00
parent 14c44e2ec4
commit 76fbcfdd66
7 changed files with 77 additions and 33 deletions

View File

@ -1,3 +1,21 @@
1998-03-14 00:52 Tim Waugh <tim@cyberelk.demon.co.uk>
* posix/wordexp.c (parse_param): Perform field-splitting after
expanding positional parameter.
* posix/wordexp-tst.sh: Test that field-splitting is performed
after expanding positional parameter.
* posix/wordexp.c (parse_param): Fixed memory leak in
field-splitting after parameter expansion.
1998-03-14 Ulrich Drepper <drepper@cygnus.com>
* locale/programs/linereader.c (lr_token): Return EOF token at
EOF.
(get_toplvl_escape): Correctly terminate loop at EOF.
Patch by Cristian Gafton <gafton@redhat.com>.
1998-03-13 16:55 Ulrich Drepper <drepper@cygnus.com> 1998-03-13 16:55 Ulrich Drepper <drepper@cygnus.com>
* string/tester.c (test_strpbrk): Add more strpbrk tests. * string/tester.c (test_strpbrk): Add more strpbrk tests.

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@ -1,4 +1,4 @@
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. /* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
@ -159,6 +159,12 @@ lr_token (struct linereader *lr, const struct charset_t *charset)
{ {
ch = lr_getc (lr); ch = lr_getc (lr);
if (ch == EOF)
{
lr->token.tok = tok_eof;
return &lr->token;
};
if (ch == '\n') if (ch == '\n')
{ {
lr->token.tok = tok_eol; lr->token.tok = tok_eol;
@ -283,7 +289,7 @@ get_toplvl_escape (struct linereader *lr)
esc_error: esc_error:
lr->token.val.str.start = &lr->buf[start_idx]; lr->token.val.str.start = &lr->buf[start_idx];
while (ch != EOF || !isspace (ch)) while (ch != EOF && !isspace (ch))
ch = lr_getc (lr); ch = lr_getc (lr);
lr->token.val.str.len = lr->idx - start_idx; lr->token.val.str.len = lr->idx - start_idx;

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@ -1,3 +1,8 @@
1998-03-14 Ulrich Drepper <drepper@cygnus.com>
* locales/ru_RU: Correct last patch.
Patch by Cristian Gafton <gafton@redhat.com>.
1998-03-11 Ulrich Drepper <drepper@cygnus.com> 1998-03-11 Ulrich Drepper <drepper@cygnus.com>
* locales/de_DE: Use common german data and time format not ISO * locales/de_DE: Use common german data and time format not ISO

View File

@ -2134,18 +2134,18 @@ abday "<V=><s=><k=>";/
"<C%><t=><v=>";/ "<C%><t=><v=>";/
"<P=><t=><n=>";/ "<P=><t=><n=>";/
"<S=><u=><b=>" "<S=><u=><b=>"
mon "<JA><n=><v=><a=><r=><%'>";/ mon "<JA><n=><v=><a=><r=><ja>";/
"<F=><e=><v=><r=><a=><l=><%'>";/ "<F=><e=><v=><r=><a=><l=><ja>";/
"<M=><a=><r=><t=>";/ "<M=><a=><r=><t=>";/
"<A=><p=><r=><e=><l=><%'>";/ "<A=><p=><r=><e=><l=><ja>";/
"<M=><a=><j=>";/ "<M=><a=><j=>";/
"<I=><ju><n=><%'>";/ "<I=><ju><n=><ja>";/
"<I=><ju><l=><%'>";/ "<I=><ju><l=><ja>";/
"<A=><v=><g=><u=><s=><t=>";/ "<A=><v=><g=><u=><s=><t=><a=>";/
"<S=><e=><n=><t=><ja><b=><r=><%'>";/ "<S=><e=><n=><t=><ja><b=><r=><ja>";/
"<O=><k=><t=><ja><b=><r=><%'>";/ "<O=><k=><t=><ja><b=><r=><ja>";/
"<N=><o=><ja><b=><r=><%'>";/ "<N=><o=><ja><b=><r=><ja>";/
"<D=><e=><k=><a=><b=><r=><%'>" "<D=><e=><k=><a=><b=><r=><ja>"
abmon "<JA><n=><v=>";/ abmon "<JA><n=><v=>";/
"<F=><e=><v=>";/ "<F=><e=><v=>";/
"<M=><a=><r=>";/ "<M=><a=><r=>";/

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@ -61,11 +61,13 @@ we_wordv[0] = "5"
EOF EOF
${elf_objpfx}${rtld_installed_name} --library-path ${common_objpfx} \ ${elf_objpfx}${rtld_installed_name} --library-path ${common_objpfx} \
${common_objpfx}posix/wordexp-test '$2 ${3}' 2nd 3rd > ${testout}6 ${common_objpfx}posix/wordexp-test '$2 ${3} $4' 2nd 3rd "4 th" > ${testout}7
cat <<"EOF" | cmp - ${testout}6 || failed=1 cat <<"EOF" | cmp - ${testout}7 || failed=1
wordexp returned 0 wordexp returned 0
we_wordv[0] = "2nd" we_wordv[0] = "2nd"
we_wordv[1] = "3rd" we_wordv[1] = "3rd"
we_wordv[2] = "4"
we_wordv[3] = "th"
EOF EOF
exit $failed exit $failed

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@ -1018,6 +1018,7 @@ parse_param (char **word, size_t *word_length, size_t *max_length,
int colon_seen = 0; int colon_seen = 0;
int depth = 0; int depth = 0;
int seen_hash = 0; int seen_hash = 0;
int free_value = 0;
int error; int error;
for (; words[*offset]; ++(*offset)) for (; words[*offset]; ++(*offset))
@ -1285,7 +1286,6 @@ envsubst:
if (isdigit(*env)) if (isdigit(*env))
{ {
int n = *env - '0'; int n = *env - '0';
char *param;
free (env); free (env);
if (n >= __libc_argc) if (n >= __libc_argc)
@ -1293,12 +1293,8 @@ envsubst:
return 0; return 0;
/* Replace with the appropriate positional parameter */ /* Replace with the appropriate positional parameter */
param = __strdup (__libc_argv[n]); value = __libc_argv[n];
if (!param) goto maybe_fieldsplit;
return WRDE_NOSPACE;
*word = w_addstr (*word, word_length, max_length, param);
return *word ? 0 : WRDE_NOSPACE;
} }
/* Is it `$$' ? */ /* Is it `$$' ? */
else if (*env == '$') else if (*env == '$')
@ -1347,6 +1343,7 @@ envsubst:
} }
} }
free_value = 1;
if (value) if (value)
goto maybe_fieldsplit; goto maybe_fieldsplit;
@ -1666,31 +1663,42 @@ envsubst:
return *word ? 0 : WRDE_NOSPACE; return *word ? 0 : WRDE_NOSPACE;
} }
maybe_fieldsplit: maybe_fieldsplit:
if (quoted || !pwordexp) if (quoted || !pwordexp)
{ {
/* Quoted - no field split */ /* Quoted - no field split */
*word = w_addstr (*word, word_length, max_length, value); *word = w_addstr (*word, word_length, max_length, value);
if (free_value)
free (value);
return *word ? 0 : WRDE_NOSPACE; return *word ? 0 : WRDE_NOSPACE;
} }
else else
{ {
/* Need to field-split */ /* Need to field-split */
char *field_begin = value; char *value_copy = __strdup (value); /* Don't modify value */
char *field_begin = value_copy;
int seen_nonws_ifs = 0; int seen_nonws_ifs = 0;
if (free_value)
free (value);
if (value_copy == NULL)
return WRDE_NOSPACE;
do do
{ {
char *field_end = field_begin; char *field_end = field_begin;
char *next_field; char *next_field;
char ch;
/* If this isn't the first field, start a new word */ /* If this isn't the first field, start a new word */
if (field_begin != value) if (field_begin != value_copy)
{ {
if (w_addword (pwordexp, *word) == WRDE_NOSPACE) if (w_addword (pwordexp, *word) == WRDE_NOSPACE)
return WRDE_NOSPACE; {
free (value_copy);
return WRDE_NOSPACE;
}
*word = NULL; *word = NULL;
*word_length = *max_length = 0; *word_length = *max_length = 0;
@ -1710,8 +1718,7 @@ envsubst:
field_end++; field_end++;
/* Set up pointer to the character after end of field */ /* Set up pointer to the character after end of field */
ch = *field_end; next_field = *field_end ? field_end : NULL;
next_field = ch ? field_end : NULL;
/* Skip whitespace IFS after the field */ /* Skip whitespace IFS after the field */
while (next_field && *next_field && strchr (ifs_white, *next_field)) while (next_field && *next_field && strchr (ifs_white, *next_field))
@ -1729,13 +1736,19 @@ envsubst:
*field_end = 0; *field_end = 0;
/* Tag a copy onto the current word */ /* Tag a copy onto the current word */
*word = w_addstr (*word, word_length, max_length, *word = w_addstr (*word, word_length, max_length, field_begin);
__strdup (field_begin));
if (*word == NULL) if (*word == NULL)
return WRDE_NOSPACE; {
free (value_copy);
return WRDE_NOSPACE;
}
field_begin = next_field; field_begin = next_field;
} while (seen_nonws_ifs || (field_begin && *field_begin)); }
while (seen_nonws_ifs || (field_begin != NULL && *field_begin));
free (value_copy);
} }
return 0; return 0;

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@ -840,7 +840,7 @@ __strsep_g (char **__s, __const char *__reject)
register char *__retval = *__s; register char *__retval = *__s;
if (__retval == NULL || *__retval == '\0') if (__retval == NULL || *__retval == '\0')
return NULL; return NULL;
if ((*__s = strpbrk (__retval, __reject)) != '\0') if ((*__s = strpbrk (__retval, __reject)) != NULL)
*(*__s)++ = '\0'; *(*__s)++ = '\0';
return __retval; return __retval;
} }