From: Jean-Christophe PLAGNIOL-VILLARD Date: Thu, 28 Aug 2008 10:31:48 +0000 (+0200) Subject: gunzip: move to lib_generic X-Git-Tag: v2008.10-rc1~64^2~11 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=717a222229fdb77703e9174d0eb08a4b41febf49;p=u-boot gunzip: move to lib_generic Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- diff --git a/common/Makefile b/common/Makefile index 944b1c08ad..d974823a4b 100644 --- a/common/Makefile +++ b/common/Makefile @@ -36,7 +36,6 @@ COBJS-$(CONFIG_CMD_BDI) += cmd_bdinfo.o COBJS-$(CONFIG_CMD_BEDBUG) += cmd_bedbug.o COBJS-$(CONFIG_CMD_BMP) += cmd_bmp.o COBJS-y += image.o -COBJS-y += gunzip.o COBJS-y += cmd_boot.o COBJS-$(CONFIG_CMD_BOOTLDR) += cmd_bootldr.o COBJS-y += cmd_bootm.o diff --git a/common/gunzip.c b/common/gunzip.c deleted file mode 100644 index 74f0bf9f3e..0000000000 --- a/common/gunzip.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * (C) Copyright 2000-2006 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include -#include - -#define ZALLOC_ALIGNMENT 16 -#define HEAD_CRC 2 -#define EXTRA_FIELD 4 -#define ORIG_NAME 8 -#define COMMENT 0x10 -#define RESERVED 0xe0 -#define DEFLATED 8 - -int gunzip(void *, int, unsigned char *, unsigned long *); -void *zalloc(void *, unsigned, unsigned); -void zfree(void *, void *, unsigned); - -void *zalloc(void *x, unsigned items, unsigned size) -{ - void *p; - - size *= items; - size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1); - - p = malloc (size); - - return (p); -} - -void zfree(void *x, void *addr, unsigned nb) -{ - free (addr); -} - -int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp) -{ - z_stream s; - int r, i, flags; - - /* skip header */ - i = 10; - flags = src[3]; - if (src[2] != DEFLATED || (flags & RESERVED) != 0) { - puts ("Error: Bad gzipped data\n"); - return (-1); - } - if ((flags & EXTRA_FIELD) != 0) - i = 12 + src[10] + (src[11] << 8); - if ((flags & ORIG_NAME) != 0) - while (src[i++] != 0) - ; - if ((flags & COMMENT) != 0) - while (src[i++] != 0) - ; - if ((flags & HEAD_CRC) != 0) - i += 2; - if (i >= *lenp) { - puts ("Error: gunzip out of data in header\n"); - return (-1); - } - - s.zalloc = zalloc; - s.zfree = zfree; -#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) - s.outcb = (cb_func)WATCHDOG_RESET; -#else - s.outcb = Z_NULL; -#endif /* CONFIG_HW_WATCHDOG */ - - r = inflateInit2(&s, -MAX_WBITS); - if (r != Z_OK) { - printf ("Error: inflateInit2() returned %d\n", r); - return (-1); - } - s.next_in = src + i; - s.avail_in = *lenp - i; - s.next_out = dst; - s.avail_out = dstlen; - r = inflate(&s, Z_FINISH); - if (r != Z_OK && r != Z_STREAM_END) { - printf ("Error: inflate() returned %d\n", r); - return (-1); - } - *lenp = s.next_out - (unsigned char *) dst; - inflateEnd(&s); - - return (0); -} diff --git a/lib_generic/Makefile b/lib_generic/Makefile index bf0e31d127..a820f97f3a 100644 --- a/lib_generic/Makefile +++ b/lib_generic/Makefile @@ -34,6 +34,7 @@ COBJS-y += crc32.o COBJS-y += ctype.o COBJS-y += display_options.o COBJS-y += div64.o +COBJS-y += gunzip.o COBJS-y += lmb.o COBJS-y += ldiv.o COBJS-$(CONFIG_MD5) += md5.o diff --git a/lib_generic/gunzip.c b/lib_generic/gunzip.c new file mode 100644 index 0000000000..74f0bf9f3e --- /dev/null +++ b/lib_generic/gunzip.c @@ -0,0 +1,113 @@ +/* + * (C) Copyright 2000-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include + +#define ZALLOC_ALIGNMENT 16 +#define HEAD_CRC 2 +#define EXTRA_FIELD 4 +#define ORIG_NAME 8 +#define COMMENT 0x10 +#define RESERVED 0xe0 +#define DEFLATED 8 + +int gunzip(void *, int, unsigned char *, unsigned long *); +void *zalloc(void *, unsigned, unsigned); +void zfree(void *, void *, unsigned); + +void *zalloc(void *x, unsigned items, unsigned size) +{ + void *p; + + size *= items; + size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1); + + p = malloc (size); + + return (p); +} + +void zfree(void *x, void *addr, unsigned nb) +{ + free (addr); +} + +int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp) +{ + z_stream s; + int r, i, flags; + + /* skip header */ + i = 10; + flags = src[3]; + if (src[2] != DEFLATED || (flags & RESERVED) != 0) { + puts ("Error: Bad gzipped data\n"); + return (-1); + } + if ((flags & EXTRA_FIELD) != 0) + i = 12 + src[10] + (src[11] << 8); + if ((flags & ORIG_NAME) != 0) + while (src[i++] != 0) + ; + if ((flags & COMMENT) != 0) + while (src[i++] != 0) + ; + if ((flags & HEAD_CRC) != 0) + i += 2; + if (i >= *lenp) { + puts ("Error: gunzip out of data in header\n"); + return (-1); + } + + s.zalloc = zalloc; + s.zfree = zfree; +#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) + s.outcb = (cb_func)WATCHDOG_RESET; +#else + s.outcb = Z_NULL; +#endif /* CONFIG_HW_WATCHDOG */ + + r = inflateInit2(&s, -MAX_WBITS); + if (r != Z_OK) { + printf ("Error: inflateInit2() returned %d\n", r); + return (-1); + } + s.next_in = src + i; + s.avail_in = *lenp - i; + s.next_out = dst; + s.avail_out = dstlen; + r = inflate(&s, Z_FINISH); + if (r != Z_OK && r != Z_STREAM_END) { + printf ("Error: inflate() returned %d\n", r); + return (-1); + } + *lenp = s.next_out - (unsigned char *) dst; + inflateEnd(&s); + + return (0); +}