Re: [PATCH 14/20] bootwrapper: Add strtoull().
From: David Gibson <hidden>
Date: 2007-08-21 02:47:13
On Mon, Aug 20, 2007 at 12:40:04PM -0500, Scott Wood wrote:
quoted hunk ↗ jump to hunk
This will be needed by PlanetCore firmware support. Signed-off-by: Scott Wood <redacted> --- arch/powerpc/boot/Makefile | 2 +- arch/powerpc/boot/stdlib.c | 41 +++++++++++++++++++++++++++++++++++++++++ arch/powerpc/boot/stdlib.h | 6 ++++++ 3 files changed, 48 insertions(+), 1 deletions(-) create mode 100644 arch/powerpc/boot/stdlib.c create mode 100644 arch/powerpc/boot/stdlib.hdiff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 4ab5f75..bad54ba 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile@@ -45,7 +45,7 @@ src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \ ns16550.c serial.c simple_alloc.c div64.S util.S \ gunzip_util.c elf_util.c $(zlib) devtree.c oflib.c ofconsole.c \ 44x.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c \ - cpm-serial.c + cpm-serial.c stdlib.c src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \ cuboot-ebony.c treeboot-ebony.c prpmc2800.c \ ps3-head.S ps3-hvcall.S ps3.c cuboot-8xx.c cuboot-pq2.cdiff --git a/arch/powerpc/boot/stdlib.c b/arch/powerpc/boot/stdlib.c new file mode 100644 index 0000000..ed6e728 --- /dev/null +++ b/arch/powerpc/boot/stdlib.c@@ -0,0 +1,41 @@ +/* + * stdlib functions + * + * Author: Scott Wood <scottwood@freescale.com> + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "stdlib.h" + +/* Not currently supported: leading whitespace, sign, 0x prefix, zero base */ +unsigned long long int strtoull(const char *ptr, char **end, int base) +{ + unsigned long long ret = 0; + + while (*ptr) { + int digit; + + if (*ptr >= '0' && *ptr <= '9') + digit = *ptr - '0'; + else if (*ptr >= 'A' && *ptr <= 'Z') + digit = *ptr - 'A' + 10; + else if (*ptr >= 'a' && *ptr <= 'z') + digit = *ptr - 'a' + 10; + else + break;
Hrm... I note this has no sort of error checking if the string has digits which don't fit in the given base.
quoted hunk ↗ jump to hunk
+ ret *= base; + ret += digit; + ptr++; + } + + if (end) + *end = (char *)ptr; + + return ret; +}diff --git a/arch/powerpc/boot/stdlib.h b/arch/powerpc/boot/stdlib.h new file mode 100644 index 0000000..1bf01ac --- /dev/null +++ b/arch/powerpc/boot/stdlib.h@@ -0,0 +1,6 @@ +#ifndef _PPC_BOOT_STDLIB_H_ +#define _PPC_BOOT_STDLIB_H_ + +unsigned long long int strtoull(const char *ptr, char **end, int base); + +#endif
-- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson