diff options
Diffstat (limited to 'sys/contrib/ia64/libuwx/src/uwx_bstream.c')
| -rw-r--r-- | sys/contrib/ia64/libuwx/src/uwx_bstream.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/sys/contrib/ia64/libuwx/src/uwx_bstream.c b/sys/contrib/ia64/libuwx/src/uwx_bstream.c deleted file mode 100644 index 1495ed3..0000000 --- a/sys/contrib/ia64/libuwx/src/uwx_bstream.c +++ /dev/null @@ -1,181 +0,0 @@ -/* -Copyright (c) 2003-2006 Hewlett-Packard Development Company, L.P. -Permission is hereby granted, free of charge, to any person -obtaining a copy of this software and associated documentation -files (the "Software"), to deal in the Software without -restriction, including without limitation the rights to use, -copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the -Software is furnished to do so, subject to the following -conditions: - -The above copyright notice and this permission notice shall be -included in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES -OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT -HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, -WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. -*/ - -#include "uwx_env.h" -#include "uwx_bstream.h" - - -/* uwx_init_bstream: initialize a byte stream for reading */ - -void uwx_init_bstream( - struct uwx_bstream *bstream, - struct uwx_env *env, - uint64_t source, - unsigned int len, - int request) -{ - bstream->buf = 0; - if (env->remote) { - bstream->source = source; - bstream->bufp = (unsigned char *) &bstream->buf; - bstream->nbuf = 0; - bstream->copyin = env->copyin; - bstream->cb_token = env->cb_token; - bstream->request = request; - } - else { - bstream->source = 0; - bstream->bufp = (unsigned char *) (intptr_t) source; - bstream->nbuf = len; - bstream->copyin = 0; - bstream->cb_token = 0; - bstream->request = 0; - } - bstream->ntotal = len; - bstream->peekc = -1; -} - - -/* uwx_get_byte: read the next byte from the byte stream */ - -int uwx_get_byte(struct uwx_bstream *bstream) -{ - int len; - int n; - int b; - - if (bstream->peekc >= 0) { - b = bstream->peekc; - bstream->peekc = -1; - return b; - } - if (bstream->ntotal <= 0) - return -1; - if (bstream->nbuf <= 0) { - if (bstream->source & 0x7 || bstream->ntotal < sizeof(uint64_t)) - len = sizeof(uint32_t); - else - len = sizeof(uint64_t); - n = (*bstream->copyin)(bstream->request, (char *)&bstream->buf, - bstream->source, len, bstream->cb_token); - if (n != len) - return -1; - bstream->bufp = (unsigned char *) &bstream->buf; - bstream->nbuf = n; - bstream->source += n; - } - - b = *bstream->bufp++; - bstream->nbuf--; - bstream->ntotal--; - return b; -} - - -/* uwx_unget_byte: push a byte back onto the byte stream */ - -int uwx_unget_byte(struct uwx_bstream *bstream, int b) -{ - bstream->peekc = b; - return 0; -} - - -/* uwx_get_uleb128: read a ULEB128 value from the byte stream */ - -int uwx_get_uleb128(struct uwx_bstream *bstream, uint64_t *valp) -{ - uint64_t val; - int i; - int b; - - b = uwx_get_byte(bstream); - val = (uint64_t)(b & 0x7f) << 56; - for (i = 0; i < 8; i++) { - val = val >> 7; - if (b & 0x80) { - b = uwx_get_byte(bstream); - val |= (uint64_t)(b & 0x7f) << 56; - } - } - if (b & 0x80) { - b = uwx_get_byte(bstream); - val |= (uint64_t)(b & 0x7f) << 63; - } - if (b & 0x80) - return -1; - *valp = val; - return 0; -} - -#if 0 -int uwx_get_uleb128_alt(struct uwx_bstream *bstream, uint64_t *valp) -{ - uint64_t val; - int b; - - b = uwx_get_byte(bstream); - val = b & 0x7f; - if (b & 0x80) { - b = uwx_get_byte(bstream); - val |= (uint64_t)(b & 0x7f) << 7; - if (b & 0x80) { - b = uwx_get_byte(bstream); - val |= (uint64_t)(b & 0x7f) << 14; - if (b & 0x80) { - b = uwx_get_byte(bstream); - val |= (uint64_t)(b & 0x7f) << 21; - if (b & 0x80) { - b = uwx_get_byte(bstream); - val |= (uint64_t)(b & 0x7f) << 28; - if (b & 0x80) { - b = uwx_get_byte(bstream); - val |= (uint64_t)(b & 0x7f) << 35; - if (b & 0x80) { - b = uwx_get_byte(bstream); - val |= (uint64_t)(b & 0x7f) << 42; - if (b & 0x80) { - b = uwx_get_byte(bstream); - val |= (uint64_t)(b & 0x7f) << 49; - if (b & 0x80) { - b = uwx_get_byte(bstream); - val |= (uint64_t)(b & 0x7f) << 56; - if (b & 0x80) { - b = uwx_get_byte(bstream); - val |= (uint64_t)(b & 0x7f) << 63; - if (b & 0x80) - return -1; - } - } - } - } - } - } - } - } - } - *valp = val; - return 0; -} -#endif |
