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parse-options.c: fix documentation syntax of optional arguments

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When an argument for an option is optional, short options don't need a
space between the option and the argument, and long options need a "=".
Otherwise, arguments are misinterpreted.

Signed-off-by: Michele Ballabio <barra_cuda@katamail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michele Ballabio 2008-06-22 16:39:04 +02:00 committed by Junio C Hamano
parent 82936f295f
commit 6422f63321
2 changed files with 13 additions and 4 deletions
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9
parse-options.c
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@ -344,6 +344,9 @@ void usage_with_options_internal(const char * const *usagestr,
break; break;
case OPTION_INTEGER: case OPTION_INTEGER:
if (opts->flags & PARSE_OPT_OPTARG) if (opts->flags & PARSE_OPT_OPTARG)
if (opts->long_name)
pos += fprintf(stderr, "[=<n>]");
else
pos += fprintf(stderr, "[<n>]"); pos += fprintf(stderr, "[<n>]");
else else
pos += fprintf(stderr, " <n>"); pos += fprintf(stderr, " <n>");
@ -355,11 +358,17 @@ void usage_with_options_internal(const char * const *usagestr,
case OPTION_STRING: case OPTION_STRING:
if (opts->argh) { if (opts->argh) {
if (opts->flags & PARSE_OPT_OPTARG) if (opts->flags & PARSE_OPT_OPTARG)
if (opts->long_name)
pos += fprintf(stderr, "[=<%s>]", opts->argh);
else
pos += fprintf(stderr, "[<%s>]", opts->argh); pos += fprintf(stderr, "[<%s>]", opts->argh);
else else
pos += fprintf(stderr, " <%s>", opts->argh); pos += fprintf(stderr, " <%s>", opts->argh);
} else { } else {
if (opts->flags & PARSE_OPT_OPTARG) if (opts->flags & PARSE_OPT_OPTARG)
if (opts->long_name)
pos += fprintf(stderr, "[=...]");
else
pos += fprintf(stderr, "[...]"); pos += fprintf(stderr, "[...]");
else else
pos += fprintf(stderr, " ..."); pos += fprintf(stderr, " ...");