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1999-04-11  Tim Waugh  <tim@cyberelk.demon.co.uk>

	* posix/wordexp.c (wordexp): Fix a leak when an invalid character
	is seen, as well as fixing semantics.  Don't reset the word count
	to zero when an invalid character is seen, but leave it as it was
	(this makes a difference with WRDE_APPEND).

	* posix/wordexp-test.c: More test cases.

	* posix/wordexp.c (parse_param): In words like ${var#pattern},
	always expand pattern when it is needed.  Also, handle quoting in
	pattern properly.
This commit is contained in:
Ulrich Drepper
1999-04-12 09:07:36 +00:00
parent a64e578b6f
commit bac660f87b
3 changed files with 221 additions and 118 deletions
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9
posix/wordexp-test.c
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@@ -81,6 +81,7 @@ struct test_case_struct
{ 0, NULL, "\"quoted\"", 0, 1, { "quoted", }, IFS },
{ 0, "foo", "\"$var\"\"$var\"", 0, 1, { "foofoo", }, IFS },
{ 0, NULL, "'singly-quoted'", 0, 1, { "singly-quoted", }, IFS },
{ 0, NULL, "contin\\\nuation", 0, 1, { "continuation", }, IFS },
/* Simple command substitution */
{ 0, NULL, "$(echo hello)", 0, 1, { "hello", }, IFS },
@@ -118,10 +119,16 @@ struct test_case_struct
{ 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, "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 */