readstdin: add a comment

Maybe too obvious / redundant, but OK.

diff --git a/dmenu.c b/dmenu.c
index e786d7a31ba7ec360e057db1f5321b73073d39e4..8d96b6ca1e46eaf1f31905a71e7d0eb5d97b5ee2 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -562,7 +562,7 @@ readstdin(void)
                        line[len - 1] = '\0';
                items[i].text = line;
                items[i].out = 0;
-               line = NULL;
+               line = NULL; /* next call of getline() allocates a new line */
        }
        free(line);
        if (items)