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string-list: optionally omit empty string pieces in string_list_split*()

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Teach the unified split_string() machinery a new flag bit,
STRING_LIST_SPLIT_NONEMPTY, to cause empty split pieces to be
omitted from the resulting string list.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
2025-08-01 15:04:22 -07:00
parent f3a303aef0
commit 27531efa41
3 changed files with 20 additions and 0 deletions
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15
t/unit-tests/u-string-list.c
View File

@@ -92,6 +92,13 @@ void test_string_list__split_f(void)
"foo", "bar", "baz", NULL);
t_string_list_split_f(" a b c ", " ", 1, STRING_LIST_SPLIT_TRIM,
"a", "b c", NULL);
t_string_list_split_f("::foo::bar:baz:", ":", -1, STRING_LIST_SPLIT_NONEMPTY,
"foo", "bar", "baz", NULL);
t_string_list_split_f("foo:baz", ":", -1, STRING_LIST_SPLIT_NONEMPTY,
"foo", "baz", NULL);
t_string_list_split_f("foo :: : baz", ":", -1,
STRING_LIST_SPLIT_NONEMPTY | STRING_LIST_SPLIT_TRIM,
"foo", "baz", NULL);
}
static void t_string_list_split_in_place_f(const char *data_, const char *delim,
@@ -125,6 +132,14 @@ void test_string_list__split_in_place_f(void)
"foo", "bar", "baz", NULL);
t_string_list_split_in_place_f(" a b c ", " ", 1, STRING_LIST_SPLIT_TRIM,
"a", "b c", NULL);
t_string_list_split_in_place_f("::foo::bar:baz:", ":", -1,
STRING_LIST_SPLIT_NONEMPTY,
"foo", "bar", "baz", NULL);
t_string_list_split_in_place_f("foo:baz", ":", -1, STRING_LIST_SPLIT_NONEMPTY,
"foo", "baz", NULL);
t_string_list_split_in_place_f("foo :: : baz", ":", -1,
STRING_LIST_SPLIT_NONEMPTY | STRING_LIST_SPLIT_TRIM,
"foo", "baz", NULL);
}
void test_string_list__split(void)