duckduckgo: fix parsing due to HTML change - frontends - front-ends for some sites (experiment)
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       ---
   DIR commit 7a1838d494e6bcfef16149a4423022d38356b0bc
   DIR parent 07a5a89d2c8b3dab2fc85ff616e98d34b0edcd21
  HTML Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Sun, 25 Oct 2020 13:34:44 +0100
       
       duckduckgo: fix parsing due to HTML change
       
       instead of looking at the prefix uddg= search for the needle, because the
       prefix was changed to "//duckduckgo.com/l/?uddg=".
       
       Diffstat:
         M duckduckgo/duckduckgo.c             |       8 +++++---
       
       1 file changed, 5 insertions(+), 3 deletions(-)
       ---
   DIR diff --git a/duckduckgo/duckduckgo.c b/duckduckgo/duckduckgo.c
       @@ -131,6 +131,8 @@ xmldataentity(XMLParser *x, const char *d, size_t dl)
        void
        xmltagend(XMLParser *x, const char *t, size_t tl, int isshort)
        {
       +        char *p;
       +
                if (!isresult)
                        return;
        
       @@ -148,9 +150,9 @@ xmltagend(XMLParser *x, const char *t, size_t tl, int isshort)
                        isurl = 0;
                if (!strcmp(t, "div")) {
                        /* decode url and remove "tracking"/usage part via DDG */
       -                if (!strncmp(result.url, "uddg=", sizeof("uddg=") - 1)) {
       -                        if (decodeparam(result.urldecoded, sizeof(result.urldecoded),
       -                            result.url + sizeof("uddg=") - 1) == -1)
       +                if ((p = strstr(result.url, "uddg="))) {
       +                        p += sizeof("uddg=") - 1;
       +                        if (decodeparam(result.urldecoded, sizeof(result.urldecoded), p) == -1)
                                        result.urldecoded[0] = '\0';
                        }