Lines Matching refs:buf
72 const unsigned char *buf = b->fbuf; in file_encoding() local
101 if (looks_ascii(buf, nbytes, *ubuf, ulen)) { in file_encoding()
102 if (looks_utf7(buf, nbytes, *ubuf, ulen) > 0) { in file_encoding()
111 } else if (looks_utf8_with_BOM(buf, nbytes, *ubuf, ulen) > 0) { in file_encoding()
115 } else if (file_looks_utf8(buf, nbytes, *ubuf, ulen) > 1) { in file_encoding()
119 } else if ((ucs_type = looks_ucs16(buf, nbytes, *ubuf, ulen)) != 0) { in file_encoding()
128 } else if (looks_latin1(buf, nbytes, *ubuf, ulen)) { in file_encoding()
132 } else if (looks_extended(buf, nbytes, *ubuf, ulen)) { in file_encoding()
137 from_ebcdic(buf, nbytes, nbuf); in file_encoding()
243 looks_ascii(const unsigned char *buf, size_t nbytes, unichar *ubuf, in looks_ascii() argument
251 int t = text_chars[buf[i]]; in looks_ascii()
256 ubuf[(*ulen)++] = buf[i]; in looks_ascii()
263 looks_latin1(const unsigned char *buf, size_t nbytes, unichar *ubuf, size_t *ulen) in looks_latin1() argument
270 int t = text_chars[buf[i]]; in looks_latin1()
275 ubuf[(*ulen)++] = buf[i]; in looks_latin1()
282 looks_extended(const unsigned char *buf, size_t nbytes, unichar *ubuf, in looks_extended() argument
290 int t = text_chars[buf[i]]; in looks_extended()
295 ubuf[(*ulen)++] = buf[i]; in looks_extended()
313 file_looks_utf8(const unsigned char *buf, size_t nbytes, unichar *ubuf, size_t *ulen) in file_looks_utf8() argument
324 if ((buf[i] & 0x80) == 0) { /* 0xxxxxxx is plain ASCII */ in file_looks_utf8()
330 if (text_chars[buf[i]] != T) in file_looks_utf8()
334 ubuf[(*ulen)++] = buf[i]; in file_looks_utf8()
335 } else if ((buf[i] & 0x40) == 0) { /* 10xxxxxx never 1st byte */ in file_looks_utf8()
340 if ((buf[i] & 0x20) == 0) { /* 110xxxxx */ in file_looks_utf8()
341 c = buf[i] & 0x1f; in file_looks_utf8()
343 } else if ((buf[i] & 0x10) == 0) { /* 1110xxxx */ in file_looks_utf8()
344 c = buf[i] & 0x0f; in file_looks_utf8()
346 } else if ((buf[i] & 0x08) == 0) { /* 11110xxx */ in file_looks_utf8()
347 c = buf[i] & 0x07; in file_looks_utf8()
349 } else if ((buf[i] & 0x04) == 0) { /* 111110xx */ in file_looks_utf8()
350 c = buf[i] & 0x03; in file_looks_utf8()
352 } else if ((buf[i] & 0x02) == 0) { /* 1111110x */ in file_looks_utf8()
353 c = buf[i] & 0x01; in file_looks_utf8()
363 if ((buf[i] & 0x80) == 0 || (buf[i] & 0x40)) in file_looks_utf8()
366 c = (c << 6) + (buf[i] & 0x3f); in file_looks_utf8()
384 looks_utf8_with_BOM(const unsigned char *buf, size_t nbytes, unichar *ubuf, in looks_utf8_with_BOM() argument
387 if (nbytes > 3 && buf[0] == 0xef && buf[1] == 0xbb && buf[2] == 0xbf) in looks_utf8_with_BOM()
388 return file_looks_utf8(buf + 3, nbytes - 3, ubuf, ulen); in looks_utf8_with_BOM()
394 looks_utf7(const unsigned char *buf, size_t nbytes, unichar *ubuf, size_t *ulen) in looks_utf7() argument
396 if (nbytes > 4 && buf[0] == '+' && buf[1] == '/' && buf[2] == 'v') in looks_utf7()
397 switch (buf[3]) { in looks_utf7()
413 looks_ucs16(const unsigned char *buf, size_t nbytes, unichar *ubuf, in looks_ucs16() argument
422 if (buf[0] == 0xff && buf[1] == 0xfe) in looks_ucs16()
424 else if (buf[0] == 0xfe && buf[1] == 0xff) in looks_ucs16()
435 ubuf[(*ulen)++] = buf[i + 1] + 256 * buf[i]; in looks_ucs16()
437 ubuf[(*ulen)++] = buf[i] + 256 * buf[i + 1]; in looks_ucs16()
534 from_ebcdic(const unsigned char *buf, size_t nbytes, unsigned char *out) in from_ebcdic() argument
539 out[i] = ebcdic_to_ascii[buf[i]]; in from_ebcdic()
