[hackers] [sbase] Handle empty format string in printf(1) || FRIGN

From: <git_AT_suckless.org>
Date: Sun, 15 Feb 2015 17:04:48 +0100 (CET)

commit c691dd4e2f206aeb3ee6db30a7a8ae1930db1562
Author: FRIGN <dev_AT_frign.de>
Date: Sun Feb 15 15:20:32 2015 +0100

    Handle empty format string in printf(1)

diff --git a/printf.c b/printf.c
index bfd8670..ec5d441 100644
--- a/printf.c
+++ b/printf.c
_AT_@ -32,7 +32,8 @@ int main(int argc, char *argv[])
                 cooldown = 1;
         }
         formatlen = unescape(format);
-
+ if (formatlen == 0)
+ return 0;
         lastargi = 0;
         for (i = 0, argi = 2; !cooldown || i < formatlen; i++, i = cooldown ? i : (i % formatlen)) {
                 if (i == 0) {
Received on Sun Feb 15 2015 - 17:04:48 CET

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