util/uri: Remove the uri_string_escape() function

Now that uri_resolve_relative() has been removed, this function is not
used in QEMU anymore - and if somebody needs this functionality, they
can simply use g_uri_escape_string() from the glib instead.

Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com>
Message-ID: <20240123182247.432642-4-thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>

Author: huth

include/qemu/uri.h

@@ -76,7 +76,6 @@ URI *uri_parse(const char *str);
 URI *uri_parse_raw(const char *str, int raw);
 int uri_parse_into(URI *uri, const char *str);
 char *uri_to_string(URI *uri);
-char *uri_string_escape(const char *str, const char *list);
 void uri_free(URI *uri);
 
 /* Single web service query parameter 'name=value'. */

util/uri.c

@@ -1349,76 +1349,6 @@ void uri_free(URI *uri)
     g_free(uri);
 }
 
-/************************************************************************
- *                                                                      *
- *                           Helper functions                           *
- *                                                                      *
- ************************************************************************/
-
-/**
- * uri_string_escape:
- * @str:  string to escape
- * @list: exception list string of chars not to escape
- *
- * This routine escapes a string to hex, ignoring reserved characters (a-z)
- * and the characters in the exception list.
- *
- * Returns a new escaped string or NULL in case of error.
- */
-char *uri_string_escape(const char *str, const char *list)
-{
-    char *ret, ch;
-    char *temp;
-    const char *in;
-    int len, out;
-
-    if (str == NULL) {
-        return NULL;
-    }
-    if (str[0] == 0) {
-        return g_strdup(str);
-    }
-    len = strlen(str);
-    if (!(len > 0)) {
-        return NULL;
-    }
-
-    len += 20;
-    ret = g_malloc(len);
-    in = str;
-    out = 0;
-    while (*in != 0) {
-        if (len - out <= 3) {
-            temp = realloc2n(ret, &len);
-            ret = temp;
-        }
-
-        ch = *in;
-
-        if ((ch != '@') && (!IS_UNRESERVED(ch)) && (!strchr(list, ch))) {
-            unsigned char val;
-            ret[out++] = '%';
-            val = ch >> 4;
-            if (val <= 9) {
-                ret[out++] = '0' + val;
-            } else {
-                ret[out++] = 'A' + val - 0xA;
-            }
-            val = ch & 0xF;
-            if (val <= 9) {
-                ret[out++] = '0' + val;
-            } else {
-                ret[out++] = 'A' + val - 0xA;
-            }
-            in++;
-        } else {
-            ret[out++] = *in++;
-        }
-    }
-    ret[out] = 0;
-    return ret;
-}
-
 /************************************************************************
  *                                                                      *
  *                           Public functions                           *