X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fopenbios%2Ffs%2Fhfs%2Fdata.c;fp=qemu%2Froms%2Fopenbios%2Ffs%2Fhfs%2Fdata.c;h=a0e4a8ea73cff2853b0eeb41435fa228c75a33b8;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/openbios/fs/hfs/data.c b/qemu/roms/openbios/fs/hfs/data.c new file mode 100644 index 000000000..a0e4a8ea7 --- /dev/null +++ b/qemu/roms/openbios/fs/hfs/data.c @@ -0,0 +1,476 @@ +/* + * libhfs - library for reading and writing Macintosh HFS volumes + * Copyright (C) 1996-1998 Robert Leslie + * + * 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., 51 Franklin Street - Fifth Floor, Boston, + * MA 02110-1301, USA. + * + * $Id: data.c,v 1.7 1998/11/02 22:08:57 rob Exp $ + */ + +#include "config.h" +#include "data.h" + +#define TIMEDIFF 2082844800UL + +static +time_t tzdiff = -1; + +static const +unsigned char hfs_charorder[256] = { + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + + 0x20, 0x22, 0x23, 0x28, 0x29, 0x2a, 0x2b, 0x2c, + 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, + 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, + 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, + + 0x47, 0x48, 0x58, 0x5a, 0x5e, 0x60, 0x67, 0x69, + 0x6b, 0x6d, 0x73, 0x75, 0x77, 0x79, 0x7b, 0x7f, + 0x8d, 0x8f, 0x91, 0x93, 0x96, 0x98, 0x9f, 0xa1, + 0xa3, 0xa5, 0xa8, 0xaa, 0xab, 0xac, 0xad, 0xae, + + 0x54, 0x48, 0x58, 0x5a, 0x5e, 0x60, 0x67, 0x69, + 0x6b, 0x6d, 0x73, 0x75, 0x77, 0x79, 0x7b, 0x7f, + 0x8d, 0x8f, 0x91, 0x93, 0x96, 0x98, 0x9f, 0xa1, + 0xa3, 0xa5, 0xa8, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, + + 0x4c, 0x50, 0x5c, 0x62, 0x7d, 0x81, 0x9a, 0x55, + 0x4a, 0x56, 0x4c, 0x4e, 0x50, 0x5c, 0x62, 0x64, + 0x65, 0x66, 0x6f, 0x70, 0x71, 0x72, 0x7d, 0x89, + 0x8a, 0x8b, 0x81, 0x83, 0x9c, 0x9d, 0x9e, 0x9a, + + 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0x95, + 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0x52, 0x85, + 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, + 0xc9, 0xca, 0xcb, 0x57, 0x8c, 0xcc, 0x52, 0x85, + + 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0x26, + 0x27, 0xd4, 0x20, 0x4a, 0x4e, 0x83, 0x87, 0x87, + 0xd5, 0xd6, 0x24, 0x25, 0x2d, 0x2e, 0xd7, 0xd8, + 0xa7, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, + + 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, + 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, + 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, + 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff +}; + +/* + * NAME: data->getsb() + * DESCRIPTION: marshal 1 signed byte into local host format + */ +signed char d_getsb(register const unsigned char *ptr) +{ + return ptr[0]; +} + +/* + * NAME: data->getub() + * DESCRIPTION: marshal 1 unsigned byte into local host format + */ +unsigned char d_getub(register const unsigned char *ptr) +{ + return ptr[0]; +} + +/* + * NAME: data->getsw() + * DESCRIPTION: marshal 2 signed bytes into local host format + */ +signed short d_getsw(register const unsigned char *ptr) +{ + return + ((( signed short) ptr[0] << 8) | + ((unsigned short) ptr[1] << 0)); +} + +/* + * NAME: data->getuw() + * DESCRIPTION: marshal 2 unsigned bytes into local host format + */ +unsigned short d_getuw(register const unsigned char *ptr) +{ + return + (((unsigned short) ptr[0] << 8) | + ((unsigned short) ptr[1] << 0)); +} + +/* + * NAME: data->getsl() + * DESCRIPTION: marshal 4 signed bytes into local host format + */ +signed long d_getsl(register const unsigned char *ptr) +{ + return + ((( signed long) ptr[0] << 24) | + ((unsigned long) ptr[1] << 16) | + ((unsigned long) ptr[2] << 8) | + ((unsigned long) ptr[3] << 0)); +} + +/* + * NAME: data->getul() + * DESCRIPTION: marshal 4 unsigned bytes into local host format + */ +unsigned long d_getul(register const unsigned char *ptr) +{ + return + (((unsigned long) ptr[0] << 24) | + ((unsigned long) ptr[1] << 16) | + ((unsigned long) ptr[2] << 8) | + ((unsigned long) ptr[3] << 0)); +} + +/* + * NAME: data->putsb() + * DESCRIPTION: marshal 1 signed byte out in big-endian format + */ +void d_putsb(register unsigned char *ptr, + register signed char data) +{ + *ptr = data; +} + +/* + * NAME: data->putub() + * DESCRIPTION: marshal 1 unsigned byte out in big-endian format + */ +void d_putub(register unsigned char *ptr, + register unsigned char data) +{ + *ptr = data; +} + +/* + * NAME: data->putsw() + * DESCRIPTION: marshal 2 signed bytes out in big-endian format + */ +void d_putsw(register unsigned char *ptr, + register signed short data) +{ + *ptr++ = ((unsigned short) data & 0xff00) >> 8; + *ptr = ((unsigned short) data & 0x00ff) >> 0; +} + +/* + * NAME: data->putuw() + * DESCRIPTION: marshal 2 unsigned bytes out in big-endian format + */ +void d_putuw(register unsigned char *ptr, + register unsigned short data) +{ + *ptr++ = (data & 0xff00) >> 8; + *ptr = (data & 0x00ff) >> 0; +} + +/* + * NAME: data->putsl() + * DESCRIPTION: marshal 4 signed bytes out in big-endian format + */ +void d_putsl(register unsigned char *ptr, + register signed long data) +{ + *ptr++ = ((unsigned long) data & 0xff000000UL) >> 24; + *ptr++ = ((unsigned long) data & 0x00ff0000UL) >> 16; + *ptr++ = ((unsigned long) data & 0x0000ff00UL) >> 8; + *ptr = ((unsigned long) data & 0x000000ffUL) >> 0; +} + +/* + * NAME: data->putul() + * DESCRIPTION: marshal 4 unsigned bytes out in big-endian format + */ +void d_putul(register unsigned char *ptr, + register unsigned long data) +{ + *ptr++ = (data & 0xff000000UL) >> 24; + *ptr++ = (data & 0x00ff0000UL) >> 16; + *ptr++ = (data & 0x0000ff00UL) >> 8; + *ptr = (data & 0x000000ffUL) >> 0; +} + +/* + * NAME: data->fetchsb() + * DESCRIPTION: incrementally retrieve a signed byte of data + */ +void d_fetchsb(register const unsigned char **ptr, + register signed char *dest) +{ + *dest = *(*ptr)++; +} + +/* + * NAME: data->fetchub() + * DESCRIPTION: incrementally retrieve an unsigned byte of data + */ +void d_fetchub(register const unsigned char **ptr, + register unsigned char *dest) +{ + *dest = *(*ptr)++; +} + +/* + * NAME: data->fetchsw() + * DESCRIPTION: incrementally retrieve a signed word of data + */ +void d_fetchsw(register const unsigned char **ptr, + register signed short *dest) +{ + *dest = + ((( signed short) (*ptr)[0] << 8) | + ((unsigned short) (*ptr)[1] << 0)); + *ptr += 2; +} + +/* + * NAME: data->fetchuw() + * DESCRIPTION: incrementally retrieve an unsigned word of data + */ +void d_fetchuw(register const unsigned char **ptr, + register unsigned short *dest) +{ + *dest = + (((unsigned short) (*ptr)[0] << 8) | + ((unsigned short) (*ptr)[1] << 0)); + *ptr += 2; +} + +/* + * NAME: data->fetchsl() + * DESCRIPTION: incrementally retrieve a signed long word of data + */ +void d_fetchsl(register const unsigned char **ptr, + register signed long *dest) +{ + *dest = + ((( signed long) (*ptr)[0] << 24) | + ((unsigned long) (*ptr)[1] << 16) | + ((unsigned long) (*ptr)[2] << 8) | + ((unsigned long) (*ptr)[3] << 0)); + *ptr += 4; +} + +/* + * NAME: data->fetchul() + * DESCRIPTION: incrementally retrieve an unsigned long word of data + */ +void d_fetchul(register const unsigned char **ptr, + register unsigned long *dest) +{ + *dest = + (((unsigned long) (*ptr)[0] << 24) | + ((unsigned long) (*ptr)[1] << 16) | + ((unsigned long) (*ptr)[2] << 8) | + ((unsigned long) (*ptr)[3] << 0)); + *ptr += 4; +} + +/* + * NAME: data->storesb() + * DESCRIPTION: incrementally store a signed byte of data + */ +void d_storesb(register unsigned char **ptr, + register signed char data) +{ + *(*ptr)++ = data; +} + +/* + * NAME: data->storeub() + * DESCRIPTION: incrementally store an unsigned byte of data + */ +void d_storeub(register unsigned char **ptr, + register unsigned char data) +{ + *(*ptr)++ = data; +} + +/* + * NAME: data->storesw() + * DESCRIPTION: incrementally store a signed word of data + */ +void d_storesw(register unsigned char **ptr, + register signed short data) +{ + *(*ptr)++ = ((unsigned short) data & 0xff00) >> 8; + *(*ptr)++ = ((unsigned short) data & 0x00ff) >> 0; +} + +/* + * NAME: data->storeuw() + * DESCRIPTION: incrementally store an unsigned word of data + */ +void d_storeuw(register unsigned char **ptr, + register unsigned short data) +{ + *(*ptr)++ = (data & 0xff00) >> 8; + *(*ptr)++ = (data & 0x00ff) >> 0; +} + +/* + * NAME: data->storesl() + * DESCRIPTION: incrementally store a signed long word of data + */ +void d_storesl(register unsigned char **ptr, + register signed long data) +{ + *(*ptr)++ = ((unsigned long) data & 0xff000000UL) >> 24; + *(*ptr)++ = ((unsigned long) data & 0x00ff0000UL) >> 16; + *(*ptr)++ = ((unsigned long) data & 0x0000ff00UL) >> 8; + *(*ptr)++ = ((unsigned long) data & 0x000000ffUL) >> 0; +} + +/* + * NAME: data->storeul() + * DESCRIPTION: incrementally store an unsigned long word of data + */ +void d_storeul(register unsigned char **ptr, + register unsigned long data) +{ + *(*ptr)++ = (data & 0xff000000UL) >> 24; + *(*ptr)++ = (data & 0x00ff0000UL) >> 16; + *(*ptr)++ = (data & 0x0000ff00UL) >> 8; + *(*ptr)++ = (data & 0x000000ffUL) >> 0; +} + +/* + * NAME: data->fetchstr() + * DESCRIPTION: incrementally retrieve a string + */ +void d_fetchstr(const unsigned char **ptr, char *dest, unsigned size) +{ + unsigned len; + + len = d_getub(*ptr); + + if (len > 0 && len < size) + memcpy(dest, *ptr + 1, len); + else + len = 0; + + dest[len] = 0; + + *ptr += size; +} + +/* + * NAME: data->storestr() + * DESCRIPTION: incrementally store a string + */ +void d_storestr(unsigned char **ptr, const char *src, unsigned size) +{ + unsigned len; + + len = strlen(src); + if (len > --size) + len = 0; + + d_storeub(ptr, len); + + memcpy(*ptr, src, len); + memset(*ptr + len, 0, size - len); + + *ptr += size; +} + +/* + * NAME: data->relstring() + * DESCRIPTION: compare two strings as per MacOS for HFS + */ +int d_relstring(const char *str1, const char *str2) +{ + register int diff; + + while (*str1 && *str2) + { + diff = hfs_charorder[(unsigned char) *str1] - + hfs_charorder[(unsigned char) *str2]; + + if (diff) + return diff; + + ++str1, ++str2; + } + + if (! *str1 && *str2) + return -1; + else if (*str1 && ! *str2) + return 1; + + return 0; +} + +/* + * NAME: calctzdiff() + * DESCRIPTION: calculate the timezone difference between local time and UTC + */ +static +void calctzdiff(void) +{ +# ifdef HAVE_MKTIME + + time_t t; + int isdst; + struct tm tm; + const struct tm *tmp; + + time(&t); + isdst = localtime(&t)->tm_isdst; + + tmp = gmtime(&t); + if (tmp) + { + tm = *tmp; + tm.tm_isdst = isdst; + + tzdiff = t - mktime(&tm); + } + else + tzdiff = 0; + +# else + + tzdiff = 0; + +# endif +} + +/* + * NAME: data->ltime() + * DESCRIPTION: convert MacOS time to local time + */ +time_t d_ltime(unsigned long mtime) +{ + if (tzdiff == -1) + calctzdiff(); + + return (time_t) (mtime - TIMEDIFF) - tzdiff; +} + +/* + * NAME: data->mtime() + * DESCRIPTION: convert local time to MacOS time + */ +unsigned long d_mtime(time_t ltime) +{ + if (tzdiff == -1) + calctzdiff(); + + return (unsigned long) (ltime + tzdiff) + TIMEDIFF; +}