Remove sc_str_quote()

It is no longer used.

PR #6663 <https://github.com/Genymobile/scrcpy/pull/6663>

app/src/util/str.c

@@ -49,21 +49,6 @@ truncated:
     return n;
 }
 
-char *
-sc_str_quote(const char *src) {
-    size_t len = strlen(src);
-    char *quoted = malloc(len + 3);
-    if (!quoted) {
-        LOG_OOM();
-        return NULL;
-    }
-    memcpy(&quoted[1], src, len);
-    quoted[0] = '"';
-    quoted[len + 1] = '"';
-    quoted[len + 2] = '\0';
-    return quoted;
-}
-
 char *
 sc_str_concat(const char *start, const char *end) {
     assert(start);

app/src/util/str.h

@@ -32,14 +32,6 @@ sc_strncpy(char *dest, const char *src, size_t n);
 size_t
 sc_str_join(char *dst, const char *const tokens[], char sep, size_t n);
 
-/**
- * Quote a string
- *
- * Return a new allocated string, surrounded with quotes (`"`).
- */
-char *
-sc_str_quote(const char *src);
-
 /**
  * Concat two strings
  *

app/tests/test_str.c

@@ -131,16 +131,6 @@ static void test_join_truncated_after_sep(void) {
     assert(!strcmp("abc de ", s));
 }
 
-static void test_quote(void) {
-    const char *s = "abcde";
-    char *out = sc_str_quote(s);
-
-    // add '"' at the beginning and the end
-    assert(!strcmp("\"abcde\"", out));
-
-    free(out);
-}
-
 static void test_concat(void) {
     const char *s = "2024:11";
     char *out = sc_str_concat("my-prefix:", s);
@@ -398,7 +388,6 @@ int main(int argc, char *argv[]) {
     test_join_truncated_in_token();
     test_join_truncated_before_sep();
     test_join_truncated_after_sep();
-    test_quote();
     test_concat();
     test_utf8_truncate();
     test_parse_integer();