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Unified Diff: fusl/src/locale/iconv.c

Issue 1714623002: [fusl] clang-format fusl (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: headers too Created 4 years, 10 months ago
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Index: fusl/src/locale/iconv.c
diff --git a/fusl/src/locale/iconv.c b/fusl/src/locale/iconv.c
index 37b49823c681d1ec50de7caa6384ee1848c8b491..147197bbfdc343e348628f4c6f294afe43b30f55 100644
--- a/fusl/src/locale/iconv.c
+++ b/fusl/src/locale/iconv.c
@@ -7,22 +7,22 @@
#include <stdint.h>
#include "locale_impl.h"
-#define UTF_32BE 0300
-#define UTF_16LE 0301
-#define UTF_16BE 0302
-#define UTF_32LE 0303
-#define UCS2BE 0304
-#define UCS2LE 0305
-#define WCHAR_T 0306
-#define US_ASCII 0307
-#define UTF_8 0310
-#define EUC_JP 0320
-#define SHIFT_JIS 0321
-#define GB18030 0330
-#define GBK 0331
-#define GB2312 0332
-#define BIG5 0340
-#define EUC_KR 0350
+#define UTF_32BE 0300
+#define UTF_16LE 0301
+#define UTF_16BE 0302
+#define UTF_32LE 0303
+#define UCS2BE 0304
+#define UCS2LE 0305
+#define WCHAR_T 0306
+#define US_ASCII 0307
+#define UTF_8 0310
+#define EUC_JP 0320
+#define SHIFT_JIS 0321
+#define GB18030 0330
+#define GBK 0331
+#define GB2312 0332
+#define BIG5 0340
+#define EUC_KR 0350
/* Definitions of charmaps. Each charmap consists of:
* 1. Empty-string-terminated list of null-terminated aliases.
@@ -30,24 +30,24 @@
* 3. Character table (size determined by field 2). */
static const unsigned char charmaps[] =
-"utf8\0char\0\0\310"
-"wchart\0\0\306"
-"ucs2\0ucs2be\0\0\304"
-"ucs2le\0\0\305"
-"utf16\0utf16be\0\0\302"
-"utf16le\0\0\301"
-"ucs4\0ucs4be\0utf32\0utf32be\0\0\300"
-"ucs4le\0utf32le\0\0\303"
-"ascii\0usascii\0iso646\0iso646us\0\0\307"
-"eucjp\0\0\320"
-"shiftjis\0sjis\0\0\321"
-"gb18030\0\0\330"
-"gbk\0\0\331"
-"gb2312\0\0\332"
-"big5\0bigfive\0cp950\0big5hkscs\0\0\340"
-"euckr\0ksc5601\0ksx1001\0cp949\0\0\350"
+ "utf8\0char\0\0\310"
+ "wchart\0\0\306"
+ "ucs2\0ucs2be\0\0\304"
+ "ucs2le\0\0\305"
+ "utf16\0utf16be\0\0\302"
+ "utf16le\0\0\301"
+ "ucs4\0ucs4be\0utf32\0utf32be\0\0\300"
+ "ucs4le\0utf32le\0\0\303"
+ "ascii\0usascii\0iso646\0iso646us\0\0\307"
+ "eucjp\0\0\320"
+ "shiftjis\0sjis\0\0\321"
+ "gb18030\0\0\330"
+ "gbk\0\0\331"
+ "gb2312\0\0\332"
+ "big5\0bigfive\0cp950\0big5hkscs\0\0\340"
+ "euckr\0ksc5601\0ksx1001\0cp949\0\0\350"
#include "codepages.h"
-;
+ ;
static const unsigned short legacy_chars[] = {
#include "legacychars.h"
@@ -73,383 +73,449 @@ static const unsigned short ksc[93][94] = {
#include "ksc.h"
};
-static int fuzzycmp(const unsigned char *a, const unsigned char *b)
-{
- for (; *a && *b; a++, b++) {
- while (*a && (*a|32U)-'a'>26 && *a-'0'>10U) a++;
- if ((*a|32U) != *b) return 1;
- }
- return *a != *b;
+static int fuzzycmp(const unsigned char* a, const unsigned char* b) {
+ for (; *a && *b; a++, b++) {
+ while (*a && (*a | 32U) - 'a' > 26 && *a - '0' > 10U)
+ a++;
+ if ((*a | 32U) != *b)
+ return 1;
+ }
+ return *a != *b;
}
-static size_t find_charmap(const void *name)
-{
- const unsigned char *s;
- if (!*(char *)name) name=charmaps; /* "utf8" */
- for (s=charmaps; *s; ) {
- if (!fuzzycmp(name, s)) {
- for (; *s; s+=strlen((void *)s)+1);
- return s+1-charmaps;
- }
- s += strlen((void *)s)+1;
- if (!*s) {
- if (s[1] > 0200) s+=2;
- else s+=2+(128U-s[1])/4*5;
- }
- }
- return -1;
+static size_t find_charmap(const void* name) {
+ const unsigned char* s;
+ if (!*(char*)name)
+ name = charmaps; /* "utf8" */
+ for (s = charmaps; *s;) {
+ if (!fuzzycmp(name, s)) {
+ for (; *s; s += strlen((void*)s) + 1)
+ ;
+ return s + 1 - charmaps;
+ }
+ s += strlen((void*)s) + 1;
+ if (!*s) {
+ if (s[1] > 0200)
+ s += 2;
+ else
+ s += 2 + (128U - s[1]) / 4 * 5;
+ }
+ }
+ return -1;
}
-iconv_t iconv_open(const char *to, const char *from)
-{
- size_t f, t;
+iconv_t iconv_open(const char* to, const char* from) {
+ size_t f, t;
- if ((t = find_charmap(to))==-1
- || (f = find_charmap(from))==-1
- || (charmaps[t] >= 0320)) {
- errno = EINVAL;
- return (iconv_t)-1;
- }
+ if ((t = find_charmap(to)) == -1 || (f = find_charmap(from)) == -1 ||
+ (charmaps[t] >= 0320)) {
+ errno = EINVAL;
+ return (iconv_t)-1;
+ }
- return (void *)(f<<16 | t);
+ return (void*)(f << 16 | t);
}
-int iconv_close(iconv_t cd)
-{
- return 0;
+int iconv_close(iconv_t cd) {
+ return 0;
}
-static unsigned get_16(const unsigned char *s, int e)
-{
- e &= 1;
- return s[e]<<8 | s[1-e];
+static unsigned get_16(const unsigned char* s, int e) {
+ e &= 1;
+ return s[e] << 8 | s[1 - e];
}
-static void put_16(unsigned char *s, unsigned c, int e)
-{
- e &= 1;
- s[e] = c>>8;
- s[1-e] = c;
+static void put_16(unsigned char* s, unsigned c, int e) {
+ e &= 1;
+ s[e] = c >> 8;
+ s[1 - e] = c;
}
-static unsigned get_32(const unsigned char *s, int e)
-{
- e &= 3;
- return ((unsigned)s[e])<<24 | s[e^1]<<16 | s[e^2]<<8 | s[e^3];
+static unsigned get_32(const unsigned char* s, int e) {
+ e &= 3;
+ return ((unsigned)s[e]) << 24 | s[e ^ 1] << 16 | s[e ^ 2] << 8 | s[e ^ 3];
}
-static void put_32(unsigned char *s, unsigned c, int e)
-{
- e &= 3;
- s[e^0] = c>>24;
- s[e^1] = c>>16;
- s[e^2] = c>>8;
- s[e^3] = c;
+static void put_32(unsigned char* s, unsigned c, int e) {
+ e &= 3;
+ s[e ^ 0] = c >> 24;
+ s[e ^ 1] = c >> 16;
+ s[e ^ 2] = c >> 8;
+ s[e ^ 3] = c;
}
/* Adapt as needed */
#define mbrtowc_utf8 mbrtowc
#define wctomb_utf8 wctomb
-size_t iconv(iconv_t cd0, char **restrict in, size_t *restrict inb, char **restrict out, size_t *restrict outb)
-{
- size_t x=0;
- unsigned long cd = (unsigned long)cd0;
- unsigned to = cd & 0xffff;
- unsigned from = cd >> 16;
- const unsigned char *map = charmaps+from+1;
- const unsigned char *tomap = charmaps+to+1;
- mbstate_t st = {0};
- wchar_t wc;
- unsigned c, d;
- size_t k, l;
- int err;
- unsigned char type = map[-1];
- unsigned char totype = tomap[-1];
- locale_t *ploc = &CURRENT_LOCALE, loc = *ploc;
+size_t iconv(iconv_t cd0,
+ char** restrict in,
+ size_t* restrict inb,
+ char** restrict out,
+ size_t* restrict outb) {
+ size_t x = 0;
+ unsigned long cd = (unsigned long)cd0;
+ unsigned to = cd & 0xffff;
+ unsigned from = cd >> 16;
+ const unsigned char* map = charmaps + from + 1;
+ const unsigned char* tomap = charmaps + to + 1;
+ mbstate_t st = {0};
+ wchar_t wc;
+ unsigned c, d;
+ size_t k, l;
+ int err;
+ unsigned char type = map[-1];
+ unsigned char totype = tomap[-1];
+ locale_t *ploc = &CURRENT_LOCALE, loc = *ploc;
- if (!in || !*in || !*inb) return 0;
+ if (!in || !*in || !*inb)
+ return 0;
- *ploc = UTF8_LOCALE;
+ *ploc = UTF8_LOCALE;
- for (; *inb; *in+=l, *inb-=l) {
- c = *(unsigned char *)*in;
- l = 1;
+ for (; *inb; *in += l, *inb -= l) {
+ c = *(unsigned char*)*in;
+ l = 1;
- if (c >= 128 || type-UTF_32BE < 7U) switch (type) {
- case UTF_8:
- l = mbrtowc_utf8(&wc, *in, *inb, &st);
- if (!l) l++;
- else if (l == (size_t)-1) goto ilseq;
- else if (l == (size_t)-2) goto starved;
- c = wc;
- break;
- case US_ASCII:
- goto ilseq;
- case WCHAR_T:
- l = sizeof(wchar_t);
- if (*inb < l) goto starved;
- c = *(wchar_t *)*in;
- if (0) {
- case UTF_32BE:
- case UTF_32LE:
- l = 4;
- if (*inb < 4) goto starved;
- c = get_32((void *)*in, type);
- }
- if (c-0xd800u < 0x800u || c >= 0x110000u) goto ilseq;
- break;
- case UCS2BE:
- case UCS2LE:
- case UTF_16BE:
- case UTF_16LE:
- l = 2;
- if (*inb < 2) goto starved;
- c = get_16((void *)*in, type);
- if ((unsigned)(c-0xdc00) < 0x400) goto ilseq;
- if ((unsigned)(c-0xd800) < 0x400) {
- if (type-UCS2BE < 2U) goto ilseq;
- l = 4;
- if (*inb < 4) goto starved;
- d = get_16((void *)(*in + 2), type);
- if ((unsigned)(d-0xdc00) >= 0x400) goto ilseq;
- c = ((c-0xd7c0)<<10) + (d-0xdc00);
- }
- break;
- case SHIFT_JIS:
- if (c-0xa1 <= 0xdf-0xa1) {
- c += 0xff61-0xa1;
- break;
- }
- l = 2;
- if (*inb < 2) goto starved;
- d = *((unsigned char *)*in + 1);
- if (c-129 <= 159-129) c -= 129;
- else if (c-224 <= 239-224) c -= 193;
- else goto ilseq;
- c *= 2;
- if (d-64 <= 158-64) {
- if (d==127) goto ilseq;
- if (d>127) d--;
- d -= 64;
- } else if (d-159 <= 252-159) {
- c++;
- d -= 159;
- }
- c = jis0208[c][d];
- if (!c) goto ilseq;
- break;
- case EUC_JP:
- l = 2;
- if (*inb < 2) goto starved;
- d = *((unsigned char *)*in + 1);
- if (c==0x8e) {
- c = d;
- if (c-0xa1 > 0xdf-0xa1) goto ilseq;
- c += 0xff61 - 0xa1;
- break;
- }
- c -= 0xa1;
- d -= 0xa1;
- if (c >= 84 || d >= 94) goto ilseq;
- c = jis0208[c][d];
- if (!c) goto ilseq;
- break;
- case GB2312:
- if (c < 0xa1) goto ilseq;
- case GBK:
- case GB18030:
- c -= 0x81;
- if (c >= 126) goto ilseq;
- l = 2;
- if (*inb < 2) goto starved;
- d = *((unsigned char *)*in + 1);
- if (d < 0xa1 && type == GB2312) goto ilseq;
- if (d-0x40>=191 || d==127) {
- if (d-'0'>9 || type != GB18030)
- goto ilseq;
- 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:
- 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) {
- if (totype-0300U > 8) k = 2;
- else k = "\10\4\4\10\4\4\10\2\4"[totype-0300];
- if (k > *outb) goto toobig;
- x += iconv((iconv_t)(uintptr_t)to,
- &(char *){&"\303\212\314\204"
- "\303\212\314\214"
- "\303\252\314\204"
- "\303\252\314\214"
- [c%256]}, &(size_t){4},
- out, outb);
- 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:
- 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 < 128+type) break;
- c -= 128+type;
- c = legacy_chars[ (map[c*5/4]>>(2*c%8)) |
- ((map[c*5/4+1]<<(8-2*c%8)) & 1023) ];
- if (!c) c = *(unsigned char *)*in;
- if (c==1) goto ilseq;
- }
+ if (c >= 128 || type - UTF_32BE < 7U)
+ switch (type) {
+ case UTF_8:
+ l = mbrtowc_utf8(&wc, *in, *inb, &st);
+ if (!l)
+ l++;
+ else if (l == (size_t)-1)
+ goto ilseq;
+ else if (l == (size_t)-2)
+ goto starved;
+ c = wc;
+ break;
+ case US_ASCII:
+ goto ilseq;
+ case WCHAR_T:
+ l = sizeof(wchar_t);
+ if (*inb < l)
+ goto starved;
+ c = *(wchar_t*)*in;
+ if (0) {
+ case UTF_32BE:
+ case UTF_32LE:
+ l = 4;
+ if (*inb < 4)
+ goto starved;
+ c = get_32((void*)*in, type);
+ }
+ if (c - 0xd800u < 0x800u || c >= 0x110000u)
+ goto ilseq;
+ break;
+ case UCS2BE:
+ case UCS2LE:
+ case UTF_16BE:
+ case UTF_16LE:
+ l = 2;
+ if (*inb < 2)
+ goto starved;
+ c = get_16((void*)*in, type);
+ if ((unsigned)(c - 0xdc00) < 0x400)
+ goto ilseq;
+ if ((unsigned)(c - 0xd800) < 0x400) {
+ if (type - UCS2BE < 2U)
+ goto ilseq;
+ l = 4;
+ if (*inb < 4)
+ goto starved;
+ d = get_16((void*)(*in + 2), type);
+ if ((unsigned)(d - 0xdc00) >= 0x400)
+ goto ilseq;
+ c = ((c - 0xd7c0) << 10) + (d - 0xdc00);
+ }
+ break;
+ case SHIFT_JIS:
+ if (c - 0xa1 <= 0xdf - 0xa1) {
+ c += 0xff61 - 0xa1;
+ break;
+ }
+ l = 2;
+ if (*inb < 2)
+ goto starved;
+ d = *((unsigned char*)*in + 1);
+ if (c - 129 <= 159 - 129)
+ c -= 129;
+ else if (c - 224 <= 239 - 224)
+ c -= 193;
+ else
+ goto ilseq;
+ c *= 2;
+ if (d - 64 <= 158 - 64) {
+ if (d == 127)
+ goto ilseq;
+ if (d > 127)
+ d--;
+ d -= 64;
+ } else if (d - 159 <= 252 - 159) {
+ c++;
+ d -= 159;
+ }
+ c = jis0208[c][d];
+ if (!c)
+ goto ilseq;
+ break;
+ case EUC_JP:
+ l = 2;
+ if (*inb < 2)
+ goto starved;
+ d = *((unsigned char*)*in + 1);
+ if (c == 0x8e) {
+ c = d;
+ if (c - 0xa1 > 0xdf - 0xa1)
+ goto ilseq;
+ c += 0xff61 - 0xa1;
+ break;
+ }
+ c -= 0xa1;
+ d -= 0xa1;
+ if (c >= 84 || d >= 94)
+ goto ilseq;
+ c = jis0208[c][d];
+ if (!c)
+ goto ilseq;
+ break;
+ case GB2312:
+ if (c < 0xa1)
+ goto ilseq;
+ case GBK:
+ case GB18030:
+ c -= 0x81;
+ if (c >= 126)
+ goto ilseq;
+ l = 2;
+ if (*inb < 2)
+ goto starved;
+ d = *((unsigned char*)*in + 1);
+ if (d < 0xa1 && type == GB2312)
+ goto ilseq;
+ if (d - 0x40 >= 191 || d == 127) {
+ if (d - '0' > 9 || type != GB18030)
+ goto ilseq;
+ 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:
+ 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) {
+ if (totype - 0300U > 8)
+ k = 2;
+ else
+ k = "\10\4\4\10\4\4\10\2\4"[totype - 0300];
+ if (k > *outb)
+ goto toobig;
+ x += iconv((iconv_t)(uintptr_t)to,
+ &(char*){&"\303\212\314\204"
+ "\303\212\314\214"
+ "\303\252\314\204"
+ "\303\252\314\214"[c % 256]},
+ &(size_t){4}, out, outb);
+ 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:
+ 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 < 128 + type)
+ break;
+ c -= 128 + type;
+ c = legacy_chars[(map[c * 5 / 4] >> (2 * c % 8)) |
+ ((map[c * 5 / 4 + 1] << (8 - 2 * c % 8)) & 1023)];
+ if (!c)
+ c = *(unsigned char*)*in;
+ if (c == 1)
+ 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 < 128+totype) {
- revout:
- *(*out)++ = c;
- *outb -= 1;
- break;
- }
- d = c;
- for (c=0; c<128-totype; c++) {
- if (d == legacy_chars[ (tomap[c*5/4]>>(2*c%8)) |
- ((tomap[c*5/4+1]<<(8-2*c%8)) & 1023) ]) {
- c += 128;
- goto revout;
- }
- }
- goto subst;
- case UCS2BE:
- case UCS2LE:
- case UTF_16BE:
- case UTF_16LE:
- if (c < 0x10000 || type-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_32BE:
- case UTF_32LE:
- if (*outb < 4) goto toobig;
- put_32((void *)*out, c, totype);
- *out += 4;
- *outb -= 4;
- break;
- }
- }
- *ploc = loc;
- return x;
+ 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 < 128 + totype) {
+ revout:
+ *(*out)++ = c;
+ *outb -= 1;
+ break;
+ }
+ d = c;
+ for (c = 0; c < 128 - totype; c++) {
+ if (d == legacy_chars[(tomap[c * 5 / 4] >> (2 * c % 8)) |
+ ((tomap[c * 5 / 4 + 1] << (8 - 2 * c % 8)) &
+ 1023)]) {
+ c += 128;
+ goto revout;
+ }
+ }
+ goto subst;
+ case UCS2BE:
+ case UCS2LE:
+ case UTF_16BE:
+ case UTF_16LE:
+ if (c < 0x10000 || type - 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_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;
+ err = EILSEQ;
+ x = -1;
+ goto end;
toobig:
- err = E2BIG;
- x = -1;
- goto end;
+ err = E2BIG;
+ x = -1;
+ goto end;
starved:
- err = EINVAL;
- x = -1;
+ err = EINVAL;
+ x = -1;
end:
- errno = err;
- *ploc = loc;
- return x;
+ errno = err;
+ *ploc = loc;
+ return x;
}
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