* [TRIVIAL] avoid "expr length" (improved version)
@ 2004-03-22 23:53 Rusty Russell
0 siblings, 0 replies; only message in thread
From: Rusty Russell @ 2004-03-22 23:53 UTC (permalink / raw)
To: kai, sam; +Cc: lkml - Kernel Mailing List
From: Martin Schaffner <maschaffner@gmx.ch>
---
I improved my patch to avoid the "expr length" GNU-ism. It should be
much clearer now. It uses "wc -c" to count the letters.
Thanks,
Martin
--- trivial-2.6.5-rc2-bk2/Makefile.orig 2004-03-23 10:11:35.000000000 +1100
+++ trivial-2.6.5-rc2-bk2/Makefile 2004-03-23 10:11:35.000000000 +1100
@@ -652,7 +652,7 @@
uts_len := 64
define filechk_version.h
- if expr length "$(KERNELRELEASE)" \> $(uts_len) >/dev/null ; then \
+ if ((`echo -n "$(KERNELRELEASE)" | wc -c ` > $(uts_len))); then \
echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \
exit 1; \
fi; \
--
What is this? http://www.kernel.org/pub/linux/kernel/people/rusty/trivial/
Don't blame me: the Monkey is driving
File: Martin Schaffner <maschaffner@gmx.ch>: [PATCH] avoid "expr length" (improved version)
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