RE: [PATCH] 2.5.47: strdup()

[Peter Kjellerstedt]

> -----Original Message-----
> From: Olaf Dietsche 
> [mailto:olaf.dietsche#[e-mail]] 
> Sent: Saturday, November 16, 2002 07:21
> To: [e-mail]
> Cc: [e-mail]
> Subject: [PATCH] 2.5.47: strdup()
> 
> This *untested* patch adds strdup(). There are about five or six
> different strdup() implementations in various parts of the kernel.
> 
> Regards, Olaf.

[snip]

> +#ifndef __HAVE_ARCH_STRDUP
> +/**
> + * strdup - allocate memory and duplicate a string
> + */
> +char *strdup(const char *s)
> +{
> +	char *p = kmalloc(strlen(s) + 1, GFP_KERNEL);
> +	if (p)
> +		strcpy(p, s);
> +
> +	return p;
>  }
>  #endif

You should make sure s != NULL before doing anything else.

//Peter