diff options
| -rw-r--r-- | parse-options.c | 5 | ||||
| -rw-r--r-- | utf8.c | 21 | ||||
| -rw-r--r-- | utf8.h | 1 |
3 files changed, 25 insertions, 2 deletions
diff --git a/parse-options.c b/parse-options.c index 67e98a6..a6ce9ef 100644 --- a/parse-options.c +++ b/parse-options.c @@ -3,6 +3,7 @@ #include "cache.h" #include "commit.h" #include "color.h" +#include "utf8.h" static int parse_options_usage(struct parse_opt_ctx_t *ctx, const char * const *usagestr, @@ -482,7 +483,7 @@ static int usage_argh(const struct option *opts, FILE *outfile) s = literal ? "[%s]" : "[<%s>]"; else s = literal ? " %s" : " <%s>"; - return fprintf(outfile, s, opts->argh ? _(opts->argh) : _("...")); + return utf8_fprintf(outfile, s, opts->argh ? _(opts->argh) : _("...")); } #define USAGE_OPTS_WIDTH 24 @@ -541,7 +542,7 @@ static int usage_with_options_internal(struct parse_opt_ctx_t *ctx, if (opts->long_name) pos += fprintf(outfile, "--%s", opts->long_name); if (opts->type == OPTION_NUMBER) - pos += fprintf(outfile, "-NUM"); + pos += utf8_fprintf(outfile, _("-NUM")); if ((opts->flags & PARSE_OPT_LITERAL_ARGHELP) || !(opts->flags & PARSE_OPT_NOARG)) @@ -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. */ @@ -8,6 +8,7 @@ int utf8_strwidth(const char *string); int is_utf8(const char *text); int is_encoding_utf8(const char *name); int same_encoding(const char *, const char *); +int utf8_fprintf(FILE *, const char *, ...); void strbuf_add_wrapped_text(struct strbuf *buf, const char *text, int indent, int indent2, int width); |