Re: [PATCH] ACPI: replace strlen("string") with sizeof("string") -1
From: Andreas Schwab <hidden>
Date: 2012-08-06 10:27:13
Also in:
linux-acpi, lkml
Possibly related (same subject, not in this thread)
- 2012-07-30 · Re: [PATCH] ACPI: replace strlen("string") with sizeof("string") -1 · richard -rw- weinberger <hidden>
- 2012-07-30 · Re: [PATCH] ACPI: replace strlen("string") with sizeof("string") -1 · Ian Campbell <hidden>
- 2012-07-27 · [PATCH] ACPI: replace strlen("string") with sizeof("string") -1 · Len Brown <lenb@kernel.org>
Len Brown [off-list ref] writes:
...both give the number of chars in the string without the '\0', as strncmp() wants, but sizeof() is compile-time.
Does this actually change anything? The compiler is able to expand strlen at compile time if the argument is a constant, provided that that builtin strlen isn't disabled. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."