diff options
Diffstat (limited to 'utf8.c')
| -rw-r--r-- | utf8.c | 41 |
1 files changed, 39 insertions, 2 deletions
@@ -430,6 +430,27 @@ int same_encoding(const char *src, const char *dst) } /* + * Wrapper for fprintf and returns the total number of columns required + * for the printed string, assuming that the string is utf8. + */ +int utf8_fprintf(FILE *stream, const char *format, ...) +{ + struct strbuf buf = STRBUF_INIT; + va_list arg; + int columns; + + va_start(arg, format); + strbuf_vaddf(&buf, format, arg); + va_end(arg); + + columns = fputs(buf.buf, stream); + if (0 <= columns) /* keep the error from the I/O */ + columns = utf8_strwidth(buf.buf); + strbuf_release(&buf); + return columns; +} + +/* * Given a buffer and its encoding, return it re-encoded * with iconv. If the conversion fails, returns NULL. */ @@ -486,9 +507,25 @@ char *reencode_string(const char *in, const char *out_encoding, const char *in_e if (!in_encoding) return NULL; + conv = iconv_open(out_encoding, in_encoding); - if (conv == (iconv_t) -1) - return NULL; + if (conv == (iconv_t) -1) { + /* + * Some platforms do not have the variously spelled variants of + * UTF-8, so let's fall back to trying the most official + * spelling. We do so only as a fallback in case the platform + * does understand the user's spelling, but not our official + * one. + */ + if (is_encoding_utf8(in_encoding)) + in_encoding = "UTF-8"; + if (is_encoding_utf8(out_encoding)) + out_encoding = "UTF-8"; + conv = iconv_open(out_encoding, in_encoding); + if (conv == (iconv_t) -1) + return NULL; + } + out = reencode_string_iconv(in, strlen(in), conv); iconv_close(conv); return out; |