strv: drop strv_join_quoted() (#8057)

The function `strv_join_quoted()` is now not used, and has a bug
in the buffer size calculation when the strings needs to escaped,
as reported in #8056.
So, let's remove the function.

Closes #8056.
This commit is contained in:
Yu Watanabe 2018-02-01 18:11:02 +09:00 committed by Lennart Poettering
parent b9ee05c266
commit e7b2ea7c97
3 changed files with 1 additions and 97 deletions

View file

@ -393,42 +393,6 @@ char *strv_join(char **l, const char *separator) {
return r;
}
char *strv_join_quoted(char **l) {
char *buf = NULL;
char **s;
size_t allocated = 0, len = 0;
STRV_FOREACH(s, l) {
/* assuming here that escaped string cannot be more
* than twice as long, and reserving space for the
* separator and quotes.
*/
_cleanup_free_ char *esc = NULL;
size_t needed;
if (!GREEDY_REALLOC(buf, allocated,
len + strlen(*s) * 2 + 3))
goto oom;
esc = cescape(*s);
if (!esc)
goto oom;
needed = snprintf(buf + len, allocated - len, "%s\"%s\"",
len > 0 ? " " : "", esc);
assert(needed < allocated - len);
len += needed;
}
if (!buf)
buf = malloc0(1);
return buf;
oom:
return mfree(buf);
}
int strv_push(char ***l, char *value) {
char **c;
unsigned n, m;

View file

@ -86,7 +86,6 @@ char **strv_split_newlines(const char *s);
int strv_split_extract(char ***t, const char *s, const char *separators, ExtractFlags flags);
char *strv_join(char **l, const char *separator);
char *strv_join_quoted(char **l);
char **strv_parse_nulstr(const char *s, size_t l);
char **strv_split_nulstr(const char *s);

View file

@ -22,6 +22,7 @@
#include <string.h>
#include "alloc-util.h"
#include "escape.h"
#include "specifier.h"
#include "string-util.h"
#include "strv.h"
@ -102,36 +103,6 @@ static const char* const input_table_one_empty[] = {
};
static const char* const input_table_quotes[] = {
"\"",
"'",
"\"\"",
"\\",
"\\\\",
NULL,
};
#define QUOTES_STRING \
"\"\\\"\" " \
"\"\\\'\" " \
"\"\\\"\\\"\" " \
"\"\\\\\" " \
"\"\\\\\\\\\""
static const char * const input_table_spaces[] = {
" ",
"' '",
"\" ",
" \"",
" \\\\ ",
NULL,
};
#define SPACES_STRING \
"\" \" " \
"\"\\' \\'\" " \
"\"\\\" \" " \
"\" \\\"\" " \
"\" \\\\\\\\ \""
static void test_strv_find(void) {
assert_se(strv_find((char **)input_table_multiple, "three"));
assert_se(!strv_find((char **)input_table_multiple, "four"));
@ -193,28 +164,6 @@ static void test_strv_join(void) {
assert_se(streq(w, ""));
}
static void test_strv_quote_unquote(const char* const *split, const char *quoted) {
_cleanup_free_ char *p;
_cleanup_strv_free_ char **s = NULL;
char **t;
int r;
p = strv_join_quoted((char **)split);
assert_se(p);
printf("-%s- --- -%s-\n", p, quoted); /* fprintf deals with NULL, puts does not */
assert_se(p);
assert_se(streq(p, quoted));
r = strv_split_extract(&s, quoted, WHITESPACE, EXTRACT_QUOTES);
assert_se(r == (int) strv_length(s));
assert_se(s);
STRV_FOREACH(t, s) {
assert_se(*t);
assert_se(streq(*t, *split));
split++;
}
}
static void test_strv_unquote(const char *quoted, char **list) {
_cleanup_strv_free_ char **s;
_cleanup_free_ char *j;
@ -738,14 +687,6 @@ int main(int argc, char *argv[]) {
test_strv_find_startswith();
test_strv_join();
test_strv_quote_unquote(input_table_multiple, "\"one\" \"two\" \"three\"");
test_strv_quote_unquote(input_table_one, "\"one\"");
test_strv_quote_unquote(input_table_none, "");
test_strv_quote_unquote(input_table_one_empty, "\"\"");
test_strv_quote_unquote(input_table_two_empties, "\"\" \"\"");
test_strv_quote_unquote(input_table_quotes, QUOTES_STRING);
test_strv_quote_unquote(input_table_spaces, SPACES_STRING);
test_strv_unquote(" foo=bar \"waldo\" zzz ", STRV_MAKE("foo=bar", "waldo", "zzz"));
test_strv_unquote("", STRV_MAKE_EMPTY);
test_strv_unquote(" ", STRV_MAKE_EMPTY);