fast but inexact

1 files changed, 7 insertions, 4 deletions

diff --git a/dmenu.c b/dmenu.c
index 40b220c..1681a55 100644
--- 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