fast but inexact

diff --git a/dmenu.c b/dmenu.c
index 40b220cbd842534f7e85bda034443563c2f0106a..1681a5540c09e049a7208bad97e44dce4b6b25b5 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -444,19 +444,22 @@ paste(void) {
 
 void
 readstdin(void) {
-       char buf[sizeof text], *p;
-       size_t i, size = 0;
+       char buf[sizeof text], *p, *maxstr = NULL;
+       size_t i, max = 0, size = 0;
 
        for(i = 0; fgets(buf, sizeof buf, stdin); items[++i].text = NULL) {
-               if(i+1 == size / sizeof *items || !items)
+               if(i+1 >= size / sizeof *items)
                        if(!(items = realloc(items, (size += BUFSIZ))))
                                eprintf("cannot realloc %u bytes:", size);
                if((p = strchr(buf, '\n')))
                        *p = '\0';
                if(!(items[i].text = strdup(buf)))
                        eprintf("cannot strdup %u bytes:", strlen(buf)+1);
-               inputw = MAX(inputw, textw(dc, items[i].text));
+               if(strlen(items[i].text) > max)
+                       max = strlen(maxstr = items[i].text);
        }
+       if(maxstr)
+               inputw = textw(dc, maxstr);
 }
 
 void