diff options
Diffstat (limited to 'src/locale/iconv.c')
| -rw-r--r-- | src/locale/iconv.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/src/locale/iconv.c b/src/locale/iconv.c index 1eeea94e..4636307f 100644 --- a/src/locale/iconv.c +++ b/src/locale/iconv.c @@ -151,6 +151,14 @@ static void put_32(unsigned char *s, unsigned c, int e) #define mbrtowc_utf8 mbrtowc #define wctomb_utf8 wctomb +static unsigned legacy_map(const unsigned char *map, unsigned c) +{ + unsigned x = c - 128 + map[-1]; + x = legacy_chars[ map[x*5/4]>>2*x%8 | + map[x*5/4+1]<<8-2*x%8 & 1023 ]; + return x ? x : c; +} + size_t iconv(iconv_t cd0, char **restrict in, size_t *restrict inb, char **restrict out, size_t *restrict outb) { size_t x=0; @@ -364,10 +372,7 @@ size_t iconv(iconv_t cd0, char **restrict in, size_t *restrict inb, char **restr 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; + c = legacy_map(map, c); if (c==1) goto ilseq; } @@ -392,17 +397,15 @@ size_t iconv(iconv_t cd0, char **restrict in, size_t *restrict inb, char **restr if (c > 0x7f) subst: x++, c='*'; default: if (*outb < 1) goto toobig; - if (c < 128+totype) { + if (c < 128+totype || (c<256 && c==legacy_map(tomap, c))) { 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; + for (c=128+totype; c<256; c++) { + if (d == legacy_map(tomap, c)) { goto revout; } } |