Messages in this thread | | | From | Peter Kjellerstedt <> | Subject | RE: [PATCH] 2.5.47: strdup() | Date | Sat, 16 Nov 2002 09:48:57 +0100 |
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> -----Original Message----- > From: Olaf Dietsche > [mailto:olaf.dietsche#list.linux-kernel@t-online.de] > Sent: Saturday, November 16, 2002 07:21 > To: linux-kernel@vger.kernel.org > Cc: trivial@rustcorp.com.au > 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.
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