+ bufend = dst;
+ } while (bufpos == bufend);
+}
+
+static void decode_windows_1252(void)
+{
+ unsigned char read_buf[BUF_SIZE];
+ size_t const s = read_block(read_buf, sizeof(read_buf));
+ if (s == 0)
+ return;
+
+ unsigned char const *src = read_buf;
+ unsigned char const *end = read_buf + s;
+ utf32 *dst = buf + MAX_PUTBACK;
+ while (src != end) {
+ utf32 tc = *src++;
+ switch (tc) {
+ case 0x80: tc = 0x20AC; break; // €
+ case 0x82: tc = 0x201A; break; // ‚
+ case 0x83: tc = 0x0192; break; // ƒ
+ case 0x84: tc = 0x201E; break; // „
+ case 0x85: tc = 0x2026; break; // …
+ case 0x86: tc = 0x2020; break; // †
+ case 0x87: tc = 0x2021; break; // ‡
+ case 0x88: tc = 0x02C6; break; // ˆ
+ case 0x89: tc = 0x2030; break; // ‰
+ case 0x8A: tc = 0x0160; break; // Š
+ case 0x8B: tc = 0x2039; break; // ‹
+ case 0x8C: tc = 0x0152; break; // Œ
+ case 0x8E: tc = 0x017D; break; // Ž
+ case 0x91: tc = 0x2018; break; // ‘
+ case 0x92: tc = 0x2019; break; // ’
+ case 0x93: tc = 0x201C; break; // “
+ case 0x94: tc = 0x201D; break; // ”
+ case 0x95: tc = 0x2022; break; // •
+ case 0x96: tc = 0x2013; break; // –
+ case 0x97: tc = 0x2014; break; // —
+ case 0x98: tc = 0x02DC; break; // ˜
+ case 0x99: tc = 0x2122; break; // ™
+ case 0x9A: tc = 0x0161; break; // š
+ case 0x9B: tc = 0x203A; break; // ›
+ case 0x9C: tc = 0x0153; break; // œ
+ case 0x9E: tc = 0x017E; break; // ž
+ case 0x9F: tc = 0x0178; break; // Ÿ
+ }
+ *dst++ = tc;
+ }
+
+ bufpos = buf + MAX_PUTBACK;
+ bufend = dst;
+}
+
+typedef void (*decoder_t)(void);
+
+static decoder_t decoder = decode_utf8;
+
+typedef struct named_decoder_t {
+ char const *name;
+ decoder_t decoder;
+} named_decoder_t;
+
+static named_decoder_t const decoders[] = {
+ { "CP819", decode_iso_8859_1 }, // offical alias
+ { "IBM819", decode_iso_8859_1 }, // offical alias
+ { "ISO-8859-1", decode_iso_8859_1 }, // offical alias
+ { "ISO-8859-15", decode_iso_8859_15 }, // offical name
+ { "ISO8859-1", decode_iso_8859_1 },
+ { "ISO8859-15", decode_iso_8859_15 },
+ { "ISO_8859-1", decode_iso_8859_1 }, // offical alias
+ { "ISO_8859-15", decode_iso_8859_15 }, // offical alias
+ { "ISO_8859-1:1987", decode_iso_8859_1 }, // offical name
+ { "Latin-9", decode_iso_8859_15 }, // offical alias
+ { "UTF-8", decode_utf8 }, // offical name
+ { "csISOLatin1", decode_iso_8859_1 }, // offical alias
+ { "cp1252", decode_windows_1252 },
+ { "iso-ir-100", decode_iso_8859_1 }, // offical alias
+ { "l1", decode_iso_8859_1 }, // offical alias
+ { "latin1", decode_iso_8859_1 }, // offical alias
+ { "windows-1252", decode_windows_1252 }, // official name
+
+ { NULL, NULL }
+};
+
+/** strcasecmp is not part of C99 so we need our own implementation here */
+static int my_strcasecmp(const char *s1, const char *s2)
+{
+ for ( ; *s1 != 0; ++s1, ++s2) {
+ if (tolower(*s1) != tolower(*s2))
+ break;