[hackers] [dmenu] fix incorrect ordering of match results || Davide Del Zompo

[git]

commit acbf35a5e35b6f6a7dd3f8da49a6e5ec5ac075ce
Author:     Davide Del Zompo <davide.delzo...@gmail.com>
AuthorDate: Sun Oct 4 14:01:22 2015 +0200
Commit:     Hiltjo Posthuma <hil...@codemadness.org>
CommitDate: Sun Oct 4 14:03:07 2015 +0200

    fix incorrect ordering of match results
    
    look for exact matches comparing the user input against the item text

diff --git a/dmenu.c b/dmenu.c
index 509e566..c9fb38b 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -208,7 +208,7 @@ match(void)
 
        char buf[sizeof text], *s;
        int i, tokc = 0;
-       size_t len;
+       size_t len, textsize;
        struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
 
        strcpy(buf, text);
@@ -219,6 +219,7 @@ match(void)
        len = tokc ? strlen(tokv[0]) : 0;
 
        matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
+       textsize = strlen(text) + 1;
        for (item = items; item && item->text; item++) {
                for (i = 0; i < tokc; i++)
                        if (!fstrstr(item->text, tokv[i]))
@@ -226,7 +227,7 @@ match(void)
                if (i != tokc) /* not all tokens match */
                        continue;
                /* exact matches go first, then prefixes, then substrings */
-               if (!tokc || !fstrncmp(tokv[0], item->text, len + 1))
+               if (!tokc || !fstrncmp(text, item->text, textsize))
                        appenditem(item, &matches, &matchend);
                else if (!fstrncmp(tokv[0], item->text, len))
                        appenditem(item, &lprefix, &prefixend);