Re: [PATCH/RFC] s390: Hypervisor File System

From: Pekka Enberg
Date: Tue Apr 25 2006 - 02:58:56 EST


On Mon, 2006-04-24 at 19:19 +0200, Michael Holzheu wrote:
> +#ifndef __HAVE_ARCH_STRRTRIM
> +/**
> + * strrtrim - Remove trailing characters specified in @reject
> + * @s: The string to be searched
> + * @reject: The string of letters to avoid
> + */
> +void strrtrim(char *s, const char *reject)

I think this should return s to be consistent with other string API
functions.

> +{
> + char *p;
> + const char *r;

You need to exit here if strlen(s) is zero.

> +
> + for (p = s + strlen(s) - 1; s <= p; p--) {
> + for (r = reject; (*r != '\0') && (*p != *r); r++)
> + /* nothing */;

Please use strchr for the above.

> + if (*r == '\0')
> + break;

What are you testing here?

> + }
> + *(p + 1) = '\0';
> +}
> +EXPORT_SYMBOL(strrtrim);
> +#endif


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