mirror of
https://github.com/jart/cosmopolitan.git
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Add more missing libc functionality
This commit is contained in:
Justine Tunney
parent
cf93ecbbb2
commit
a8cf0f7e89
74 changed files with 6981 additions and 105 deletions
726
libc/stdio/iconv.c
Normal file
726
libc/stdio/iconv.c
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@ -0,0 +1,726 @@
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╚──────────────────────────────────────────────────────────────────────────────╝
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│ │
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│ Musl Libc │
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│ Copyright © 2005-2014 Rich Felker, et al. │
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│ │
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│ Permission is hereby granted, free of charge, to any person obtaining │
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│ a copy of this software and associated documentation files (the │
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│ "Software"), to deal in the Software without restriction, including │
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│ without limitation the rights to use, copy, modify, merge, publish, │
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│ distribute, sublicense, and/or sell copies of the Software, and to │
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│ permit persons to whom the Software is furnished to do so, subject to │
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│ the following conditions: │
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│ │
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│ The above copyright notice and this permission notice shall be │
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│ included in all copies or substantial portions of the Software. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, │
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│ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF │
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│ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. │
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│ IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY │
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│ CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, │
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│ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE │
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│ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. │
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│ │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/errno.h"
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#include "libc/mem/mem.h"
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#include "libc/nexgen32e/gettls.h"
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#include "libc/stdio/iconv.h"
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#include "libc/str/str.h"
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#include "libc/thread/thread.h"
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#include "libc/unicode/locale.h"
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// clang-format off
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asm(".ident\t\"\\n\\n\
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Musl libc (MIT License)\\n\
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Copyright 2005-2014 Rich Felker, et. al.\"");
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asm(".include \"libc/disclaimer.inc\"");
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#define UTF_32BE 0300
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#define UTF_16LE 0301
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#define UTF_16BE 0302
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#define UTF_32LE 0303
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#define UCS2BE 0304
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#define UCS2LE 0305
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#define WCHAR_T 0306
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#define US_ASCII 0307
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#define UTF_8 0310
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#define UTF_16 0312
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#define UTF_32 0313
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#define UCS2 0314
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#define EUC_JP 0320
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#define SHIFT_JIS 0321
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#define ISO2022_JP 0322
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#define GB18030 0330
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#define GBK 0331
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#define GB2312 0332
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#define BIG5 0340
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#define EUC_KR 0350
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/* Definitions of charmaps. Each charmap consists of:
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* 1. Empty-string-terminated list of null-terminated aliases.
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* 2. Special type code or number of elided quads of entries.
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* 3. Character table (size determined by field 2), consisting
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* of 5 bytes for every 4 characters, interpreted as 10-bit
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* indices into the legacy_chars table. */
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static const unsigned char charmaps[] =
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"utf8\0char\0\0\310"
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"wchart\0\0\306"
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"ucs2be\0\0\304"
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"ucs2le\0\0\305"
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"utf16be\0\0\302"
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"utf16le\0\0\301"
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"ucs4be\0utf32be\0\0\300"
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"ucs4le\0utf32le\0\0\303"
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"ascii\0usascii\0iso646\0iso646us\0\0\307"
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"utf16\0\0\312"
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"ucs4\0utf32\0\0\313"
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"ucs2\0\0\314"
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"eucjp\0\0\320"
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"shiftjis\0sjis\0\0\321"
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"iso2022jp\0\0\322"
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"gb18030\0\0\330"
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"gbk\0\0\331"
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"gb2312\0\0\332"
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"big5\0bigfive\0cp950\0big5hkscs\0\0\340"
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"euckr\0ksc5601\0ksx1001\0cp949\0\0\350"
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#include "libc/stdio/codepages.inc"
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;
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#pragma GCC diagnostic ignored "-Wmissing-braces"
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/* Table of characters that appear in legacy 8-bit codepages,
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* limited to 1024 slots (10 bit indices). The first 256 entries
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* are elided since those characters are obviously all included. */
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static const unsigned short legacy_chars[] = {
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#include "libc/stdio/legacychars.inc"
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};
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static const unsigned short jis0208[84][94] = {
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#include "libc/stdio/jis0208.inc"
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};
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static const unsigned short gb18030[126][190] = {
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#include "libc/stdio/gb18030.inc"
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};
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static const unsigned short big5[89][157] = {
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#include "libc/stdio/big5.inc"
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};
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static const unsigned short hkscs[] = {
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#include "libc/stdio/hkscs.inc"
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};
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static const unsigned short ksc[93][94] = {
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#include "libc/stdio/ksc.inc"
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};
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static const unsigned short rev_jis[] = {
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#include "libc/stdio/revjis.inc"
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};
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static int fuzzycmp(const unsigned char *a, const unsigned char *b)
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{
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for (; *a && *b; a++, b++) {
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while (*a && (*a|32U)-'a'>26 && *a-'0'>10U) a++;
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if ((*a|32U) != *b) return 1;
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}
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return *a != *b;
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}
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static size_t find_charmap(const void *name)
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{
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const unsigned char *s;
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if (!*(char *)name) name=charmaps; /* "utf8" */
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for (s=charmaps; *s; ) {
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if (!fuzzycmp(name, s)) {
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for (; *s; s+=strlen((void *)s)+1);
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return s+1-charmaps;
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}
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s += strlen((void *)s)+1;
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if (!*s) {
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if (s[1] > 0200) s+=2;
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else s+=2+(64U-s[1])*5;
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}
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}
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return -1;
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}
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struct stateful_cd {
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iconv_t base_cd;
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unsigned state;
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};
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static iconv_t combine_to_from(size_t t, size_t f)
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{
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return (void *)(f<<16 | t<<1 | 1);
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}
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static size_t extract_from(iconv_t cd)
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{
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return (size_t)cd >> 16;
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}
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static size_t extract_to(iconv_t cd)
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{
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return (size_t)cd >> 1 & 0x7fff;
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}
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iconv_t iconv_open(const char *to, const char *from)
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{
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size_t f, t;
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struct stateful_cd *scd;
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if ((t = find_charmap(to))==-1
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|| (f = find_charmap(from))==-1
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|| (charmaps[t] >= 0330)) {
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errno = EINVAL;
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return (iconv_t)-1;
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}
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iconv_t cd = combine_to_from(t, f);
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switch (charmaps[f]) {
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case UTF_16:
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case UTF_32:
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case UCS2:
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case ISO2022_JP:
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scd = malloc(sizeof *scd);
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if (!scd) return (iconv_t)-1;
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scd->base_cd = cd;
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scd->state = 0;
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cd = (iconv_t)scd;
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}
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return cd;
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}
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int iconv_close(iconv_t cd)
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{
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if (!((size_t)cd & 1)) free((void *)cd);
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return 0;
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}
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static unsigned get_16(const unsigned char *s, int e)
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{
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e &= 1;
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return s[e]<<8 | s[1-e];
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}
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static void put_16(unsigned char *s, unsigned c, int e)
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{
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e &= 1;
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s[e] = c>>8;
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s[1-e] = c;
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}
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static unsigned get_32(const unsigned char *s, int e)
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{
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e &= 3;
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return s[e]+0U<<24 | s[e^1]<<16 | s[e^2]<<8 | s[e^3];
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}
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static void put_32(unsigned char *s, unsigned c, int e)
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{
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e &= 3;
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s[e^0] = c>>24;
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s[e^1] = c>>16;
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s[e^2] = c>>8;
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s[e^3] = c;
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}
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/* Adapt as needed */
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#define mbrtowc_utf8 mbrtowc
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#define wctomb_utf8 wctomb
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static unsigned legacy_map(const unsigned char *map, unsigned c)
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{
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if (c < 4*map[-1]) return c;
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unsigned x = c - 4*map[-1];
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x = map[x*5/4]>>2*x%8 | map[x*5/4+1]<<8-2*x%8 & 1023;
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return x < 256 ? x : legacy_chars[x-256];
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}
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static unsigned uni_to_jis(unsigned c)
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{
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unsigned nel = sizeof rev_jis / sizeof *rev_jis;
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unsigned d, j, i, b = 0;
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for (;;) {
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i = nel/2;
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j = rev_jis[b+i];
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d = jis0208[j/256][j%256];
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if (d==c) return j + 0x2121;
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else if (nel == 1) return 0;
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else if (c < d)
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nel /= 2;
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else {
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b += i;
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nel -= nel/2;
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}
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}
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}
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size_t iconv(iconv_t cd, char **restrict in, size_t *restrict inb, char **restrict out, size_t *restrict outb)
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{
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size_t x=0;
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struct stateful_cd *scd=0;
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if (!((size_t)cd & 1)) {
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scd = (void *)cd;
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cd = scd->base_cd;
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}
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unsigned to = extract_to(cd);
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unsigned from = extract_from(cd);
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const unsigned char *map = charmaps+from+1;
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const unsigned char *tomap = charmaps+to+1;
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mbstate_t st = {0};
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wchar_t wc;
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unsigned c, d;
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size_t k, l;
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int err;
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unsigned char type = map[-1];
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unsigned char totype = tomap[-1];
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locale_t *ploc = &((cthread_t)__get_tls())->locale;
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locale_t loc = *ploc;
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if (!in || !*in || !*inb) return 0;
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*ploc = 0; // TODO(jart): UTF8_LOCALE?
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for (; *inb; *in+=l, *inb-=l) {
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c = *(unsigned char *)*in;
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l = 1;
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switch (type) {
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case UTF_8:
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if (c < 128) break;
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l = mbrtowc_utf8(&wc, *in, *inb, &st);
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if (l == (size_t)-1) goto ilseq;
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if (l == (size_t)-2) goto starved;
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c = wc;
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break;
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case US_ASCII:
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if (c >= 128) goto ilseq;
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break;
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case WCHAR_T:
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l = sizeof(wchar_t);
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if (*inb < l) goto starved;
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c = *(wchar_t *)*in;
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if (0) {
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case UTF_32BE:
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case UTF_32LE:
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l = 4;
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if (*inb < 4) goto starved;
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c = get_32((void *)*in, type);
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}
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if (c-0xd800u < 0x800u || c >= 0x110000u) goto ilseq;
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break;
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case UCS2BE:
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case UCS2LE:
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case UTF_16BE:
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case UTF_16LE:
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l = 2;
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if (*inb < 2) goto starved;
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c = get_16((void *)*in, type);
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if ((unsigned)(c-0xdc00) < 0x400) goto ilseq;
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if ((unsigned)(c-0xd800) < 0x400) {
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if (type-UCS2BE < 2U) goto ilseq;
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l = 4;
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if (*inb < 4) goto starved;
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d = get_16((void *)(*in + 2), type);
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if ((unsigned)(d-0xdc00) >= 0x400) goto ilseq;
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c = ((c-0xd7c0)<<10) + (d-0xdc00);
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}
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break;
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case UCS2:
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case UTF_16:
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l = 0;
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if (!scd->state) {
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if (*inb < 2) goto starved;
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c = get_16((void *)*in, 0);
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scd->state = type==UCS2
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? c==0xfffe ? UCS2LE : UCS2BE
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: c==0xfffe ? UTF_16LE : UTF_16BE;
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if (c == 0xfffe || c == 0xfeff)
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l = 2;
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}
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type = scd->state;
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continue;
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case UTF_32:
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l = 0;
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if (!scd->state) {
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if (*inb < 4) goto starved;
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c = get_32((void *)*in, 0);
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scd->state = c==0xfffe0000 ? UTF_32LE : UTF_32BE;
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if (c == 0xfffe0000 || c == 0xfeff)
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l = 4;
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}
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type = scd->state;
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continue;
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case SHIFT_JIS:
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if (c < 128) break;
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if (c-0xa1 <= 0xdf-0xa1) {
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c += 0xff61-0xa1;
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break;
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}
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l = 2;
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if (*inb < 2) goto starved;
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d = *((unsigned char *)*in + 1);
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if (c-129 <= 159-129) c -= 129;
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else if (c-224 <= 239-224) c -= 193;
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else goto ilseq;
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c *= 2;
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if (d-64 <= 158-64) {
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if (d==127) goto ilseq;
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if (d>127) d--;
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d -= 64;
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} else if (d-159 <= 252-159) {
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c++;
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d -= 159;
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}
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c = jis0208[c][d];
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if (!c) goto ilseq;
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break;
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case EUC_JP:
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if (c < 128) break;
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l = 2;
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if (*inb < 2) goto starved;
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d = *((unsigned char *)*in + 1);
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if (c==0x8e) {
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c = d;
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if (c-0xa1 > 0xdf-0xa1) goto ilseq;
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c += 0xff61 - 0xa1;
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break;
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}
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c -= 0xa1;
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d -= 0xa1;
|
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if (c >= 84 || d >= 94) goto ilseq;
|
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c = jis0208[c][d];
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if (!c) goto ilseq;
|
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break;
|
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case ISO2022_JP:
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if (c >= 128) goto ilseq;
|
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if (c == '\033') {
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l = 3;
|
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if (*inb < 3) goto starved;
|
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c = *((unsigned char *)*in + 1);
|
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d = *((unsigned char *)*in + 2);
|
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if (c != '(' && c != '$') goto ilseq;
|
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switch (128*(c=='$') + d) {
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case 'B': scd->state=0; continue;
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case 'J': scd->state=1; continue;
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case 'I': scd->state=4; continue;
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case 128+'@': scd->state=2; continue;
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case 128+'B': scd->state=3; continue;
|
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}
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goto ilseq;
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||||
}
|
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switch (scd->state) {
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case 1:
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if (c=='\\') c = 0xa5;
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if (c=='~') c = 0x203e;
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break;
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case 2:
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case 3:
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l = 2;
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if (*inb < 2) goto starved;
|
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d = *((unsigned char *)*in + 1);
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c -= 0x21;
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d -= 0x21;
|
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if (c >= 84 || d >= 94) goto ilseq;
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c = jis0208[c][d];
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if (!c) goto ilseq;
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break;
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case 4:
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if (c-0x60 < 0x1f) goto ilseq;
|
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if (c-0x21 < 0x5e) c += 0xff61-0x21;
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break;
|
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}
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break;
|
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case GB2312:
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if (c < 128) break;
|
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if (c < 0xa1) goto ilseq;
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case GBK:
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case GB18030:
|
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if (c < 128) break;
|
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c -= 0x81;
|
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if (c >= 126) goto ilseq;
|
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l = 2;
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if (*inb < 2) goto starved;
|
||||
d = *((unsigned char *)*in + 1);
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if (d < 0xa1 && type == GB2312) goto ilseq;
|
||||
if (d-0x40>=191 || d==127) {
|
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if (d-'0'>9 || type != GB18030)
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goto ilseq;
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l = 4;
|
||||
if (*inb < 4) goto starved;
|
||||
c = (10*c + d-'0') * 1260;
|
||||
d = *((unsigned char *)*in + 2);
|
||||
if (d-0x81>126) goto ilseq;
|
||||
c += 10*(d-0x81);
|
||||
d = *((unsigned char *)*in + 3);
|
||||
if (d-'0'>9) goto ilseq;
|
||||
c += d-'0';
|
||||
c += 128;
|
||||
for (d=0; d<=c; ) {
|
||||
k = 0;
|
||||
for (int i=0; i<126; i++)
|
||||
for (int j=0; j<190; j++)
|
||||
if (gb18030[i][j]-d <= c-d)
|
||||
k++;
|
||||
d = c+1;
|
||||
c += k;
|
||||
}
|
||||
break;
|
||||
}
|
||||
d -= 0x40;
|
||||
if (d>63) d--;
|
||||
c = gb18030[c][d];
|
||||
break;
|
||||
case BIG5:
|
||||
if (c < 128) break;
|
||||
l = 2;
|
||||
if (*inb < 2) goto starved;
|
||||
d = *((unsigned char *)*in + 1);
|
||||
if (d-0x40>=0xff-0x40 || d-0x7f<0xa1-0x7f) goto ilseq;
|
||||
d -= 0x40;
|
||||
if (d > 0x3e) d -= 0x22;
|
||||
if (c-0xa1>=0xfa-0xa1) {
|
||||
if (c-0x87>=0xff-0x87) goto ilseq;
|
||||
if (c < 0xa1) c -= 0x87;
|
||||
else c -= 0x87 + (0xfa-0xa1);
|
||||
c = (hkscs[4867+(c*157+d)/16]>>(c*157+d)%16)%2<<17
|
||||
| hkscs[c*157+d];
|
||||
/* A few HKSCS characters map to pairs of UCS
|
||||
* characters. These are mapped to surrogate
|
||||
* range in the hkscs table then hard-coded
|
||||
* here. Ugly, yes. */
|
||||
if (c/256 == 0xdc) {
|
||||
union {
|
||||
char c[8];
|
||||
wchar_t wc[2];
|
||||
} tmp;
|
||||
char *ptmp = tmp.c;
|
||||
size_t tmpx = iconv(combine_to_from(to, find_charmap("utf8")),
|
||||
&(char *){"\303\212\314\204"
|
||||
"\303\212\314\214"
|
||||
"\303\252\314\204"
|
||||
"\303\252\314\214"
|
||||
+c%256}, &(size_t){4},
|
||||
&ptmp, &(size_t){sizeof tmp});
|
||||
size_t tmplen = ptmp - tmp.c;
|
||||
if (tmplen > *outb) goto toobig;
|
||||
if (tmpx) x++;
|
||||
memcpy(*out, &tmp, tmplen);
|
||||
*out += tmplen;
|
||||
*outb -= tmplen;
|
||||
continue;
|
||||
}
|
||||
if (!c) goto ilseq;
|
||||
break;
|
||||
}
|
||||
c -= 0xa1;
|
||||
c = big5[c][d]|(c==0x27&&(d==0x3a||d==0x3c||d==0x42))<<17;
|
||||
if (!c) goto ilseq;
|
||||
break;
|
||||
case EUC_KR:
|
||||
if (c < 128) break;
|
||||
l = 2;
|
||||
if (*inb < 2) goto starved;
|
||||
d = *((unsigned char *)*in + 1);
|
||||
c -= 0xa1;
|
||||
d -= 0xa1;
|
||||
if (c >= 93 || d >= 94) {
|
||||
c += (0xa1-0x81);
|
||||
d += 0xa1;
|
||||
if (c >= 93 || c>=0xc6-0x81 && d>0x52)
|
||||
goto ilseq;
|
||||
if (d-'A'<26) d = d-'A';
|
||||
else if (d-'a'<26) d = d-'a'+26;
|
||||
else if (d-0x81<0xff-0x81) d = d-0x81+52;
|
||||
else goto ilseq;
|
||||
if (c < 0x20) c = 178*c + d;
|
||||
else c = 178*0x20 + 84*(c-0x20) + d;
|
||||
c += 0xac00;
|
||||
for (d=0xac00; d<=c; ) {
|
||||
k = 0;
|
||||
for (int i=0; i<93; i++)
|
||||
for (int j=0; j<94; j++)
|
||||
if (ksc[i][j]-d <= c-d)
|
||||
k++;
|
||||
d = c+1;
|
||||
c += k;
|
||||
}
|
||||
break;
|
||||
}
|
||||
c = ksc[c][d];
|
||||
if (!c) goto ilseq;
|
||||
break;
|
||||
default:
|
||||
if (!c) break;
|
||||
c = legacy_map(map, c);
|
||||
if (!c) goto ilseq;
|
||||
}
|
||||
|
||||
switch (totype) {
|
||||
case WCHAR_T:
|
||||
if (*outb < sizeof(wchar_t)) goto toobig;
|
||||
*(wchar_t *)*out = c;
|
||||
*out += sizeof(wchar_t);
|
||||
*outb -= sizeof(wchar_t);
|
||||
break;
|
||||
case UTF_8:
|
||||
if (*outb < 4) {
|
||||
char tmp[4];
|
||||
k = wctomb_utf8(tmp, c);
|
||||
if (*outb < k) goto toobig;
|
||||
memcpy(*out, tmp, k);
|
||||
} else k = wctomb_utf8(*out, c);
|
||||
*out += k;
|
||||
*outb -= k;
|
||||
break;
|
||||
case US_ASCII:
|
||||
if (c > 0x7f) subst: x++, c='*';
|
||||
default:
|
||||
if (*outb < 1) goto toobig;
|
||||
if (c<256 && c==legacy_map(tomap, c)) {
|
||||
revout:
|
||||
if (*outb < 1) goto toobig;
|
||||
*(*out)++ = c;
|
||||
*outb -= 1;
|
||||
break;
|
||||
}
|
||||
d = c;
|
||||
for (c=4*totype; c<256; c++) {
|
||||
if (d == legacy_map(tomap, c)) {
|
||||
goto revout;
|
||||
}
|
||||
}
|
||||
goto subst;
|
||||
case SHIFT_JIS:
|
||||
if (c < 128) goto revout;
|
||||
if (c == 0xa5) {
|
||||
x++;
|
||||
c = '\\';
|
||||
goto revout;
|
||||
}
|
||||
if (c == 0x203e) {
|
||||
x++;
|
||||
c = '~';
|
||||
goto revout;
|
||||
}
|
||||
if (c-0xff61 <= 0xdf-0xa1) {
|
||||
c += 0xa1 - 0xff61;
|
||||
goto revout;
|
||||
}
|
||||
c = uni_to_jis(c);
|
||||
if (!c) goto subst;
|
||||
if (*outb < 2) goto toobig;
|
||||
d = c%256;
|
||||
c = c/256;
|
||||
*(*out)++ = (c+1)/2 + (c<95 ? 112 : 176);
|
||||
*(*out)++ = c%2 ? d + 31 + d/96 : d + 126;
|
||||
*outb -= 2;
|
||||
break;
|
||||
case EUC_JP:
|
||||
if (c < 128) goto revout;
|
||||
if (c-0xff61 <= 0xdf-0xa1) {
|
||||
c += 0x0e00 + 0x21 - 0xff61;
|
||||
} else {
|
||||
c = uni_to_jis(c);
|
||||
}
|
||||
if (!c) goto subst;
|
||||
if (*outb < 2) goto toobig;
|
||||
*(*out)++ = c/256 + 0x80;
|
||||
*(*out)++ = c%256 + 0x80;
|
||||
*outb -= 2;
|
||||
break;
|
||||
case ISO2022_JP:
|
||||
if (c < 128) goto revout;
|
||||
if (c-0xff61 <= 0xdf-0xa1 || c==0xa5 || c==0x203e) {
|
||||
if (*outb < 7) goto toobig;
|
||||
*(*out)++ = '\033';
|
||||
*(*out)++ = '(';
|
||||
if (c==0xa5) {
|
||||
*(*out)++ = 'J';
|
||||
*(*out)++ = '\\';
|
||||
} else if (c==0x203e) {
|
||||
*(*out)++ = 'J';
|
||||
*(*out)++ = '~';
|
||||
} else {
|
||||
*(*out)++ = 'I';
|
||||
*(*out)++ = c-0xff61+0x21;
|
||||
}
|
||||
*(*out)++ = '\033';
|
||||
*(*out)++ = '(';
|
||||
*(*out)++ = 'B';
|
||||
*outb -= 7;
|
||||
break;
|
||||
}
|
||||
c = uni_to_jis(c);
|
||||
if (!c) goto subst;
|
||||
if (*outb < 8) goto toobig;
|
||||
*(*out)++ = '\033';
|
||||
*(*out)++ = '$';
|
||||
*(*out)++ = 'B';
|
||||
*(*out)++ = c/256;
|
||||
*(*out)++ = c%256;
|
||||
*(*out)++ = '\033';
|
||||
*(*out)++ = '(';
|
||||
*(*out)++ = 'B';
|
||||
*outb -= 8;
|
||||
break;
|
||||
case UCS2:
|
||||
totype = UCS2BE;
|
||||
case UCS2BE:
|
||||
case UCS2LE:
|
||||
case UTF_16:
|
||||
case UTF_16BE:
|
||||
case UTF_16LE:
|
||||
if (c < 0x10000 || totype-UCS2BE < 2U) {
|
||||
if (c >= 0x10000) c = 0xFFFD;
|
||||
if (*outb < 2) goto toobig;
|
||||
put_16((void *)*out, c, totype);
|
||||
*out += 2;
|
||||
*outb -= 2;
|
||||
break;
|
||||
}
|
||||
if (*outb < 4) goto toobig;
|
||||
c -= 0x10000;
|
||||
put_16((void *)*out, (c>>10)|0xd800, totype);
|
||||
put_16((void *)(*out + 2), (c&0x3ff)|0xdc00, totype);
|
||||
*out += 4;
|
||||
*outb -= 4;
|
||||
break;
|
||||
case UTF_32:
|
||||
totype = UTF_32BE;
|
||||
case UTF_32BE:
|
||||
case UTF_32LE:
|
||||
if (*outb < 4) goto toobig;
|
||||
put_32((void *)*out, c, totype);
|
||||
*out += 4;
|
||||
*outb -= 4;
|
||||
break;
|
||||
}
|
||||
}
|
||||
*ploc = loc;
|
||||
return x;
|
||||
ilseq:
|
||||
err = EILSEQ;
|
||||
x = -1;
|
||||
goto end;
|
||||
toobig:
|
||||
err = E2BIG;
|
||||
x = -1;
|
||||
goto end;
|
||||
starved:
|
||||
err = EINVAL;
|
||||
x = -1;
|
||||
end:
|
||||
errno = err;
|
||||
*ploc = loc;
|
||||
return x;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue