Documentation: wording fixes in the user manual and glossary

diff --git a/parse-options.c b/parse-options.c
index 62e9b1cc6831768315dd74eac30348668de22da3..b536896f2689dee23afae7d3a169c065592aaabe 100644 (file)
--- a/parse-options.c
+++ b/parse-options.c
@@ -127,10 +127,6 @@ static int get_value(struct parse_opt_ctx_t *p,
                *(int *)opt->value = opt->defval;
                return 0;
 
-       case OPTION_SET_PTR:
-               *(void **)opt->value = unset ? NULL : (void *)opt->defval;
-               return 0;
-
        case OPTION_STRING:
                if (unset)
                        *(const char **)opt->value = NULL;
@@ -223,13 +219,10 @@ static int parse_long_opt(struct parse_opt_ctx_t *p, const char *arg,
                           const struct option *options)
 {
        const struct option *all_opts = options;
-       const char *arg_end = strchr(arg, '=');
+       const char *arg_end = strchrnul(arg, '=');
        const struct option *abbrev_option = NULL, *ambiguous_option = NULL;
        int abbrev_flags = 0, ambiguous_flags = 0;
 
-       if (!arg_end)
-               arg_end = arg + strlen(arg);
-
        for (; options->type != OPTION_END; options++) {
                const char *rest, *long_name = options->long_name;
                int flags = 0, opt_flags = 0;
@@ -273,13 +266,13 @@ static int parse_long_opt(struct parse_opt_ctx_t *p, const char *arg,
                        if (options->flags & PARSE_OPT_NONEG)
                                continue;
                        /* negated and abbreviated very much? */
-                       if (!prefixcmp("no-", arg)) {
+                       if (starts_with("no-", arg)) {
                                flags |= OPT_UNSET;
                                goto is_abbreviated;
                        }
                        /* negated? */
-                       if (prefixcmp(arg, "no-")) {
-                               if (!prefixcmp(long_name, "no-")) {
+                       if (!starts_with(arg, "no-")) {
+                               if (starts_with(long_name, "no-")) {
                                        long_name += 3;
                                        opt_flags |= OPT_UNSET;
                                        goto again;
@@ -289,7 +282,7 @@ static int parse_long_opt(struct parse_opt_ctx_t *p, const char *arg,
                        flags |= OPT_UNSET;
                        rest = skip_prefix(arg + 3, long_name);
                        /* abbreviated and negated? */
-                       if (!rest && !prefixcmp(long_name, arg + 3))
+                       if (!rest && starts_with(long_name, arg + 3))
                                goto is_abbreviated;
                        if (!rest)
                                continue;
@@ -334,7 +327,7 @@ static void check_typos(const char *arg, const struct option *options)
        if (strlen(arg) < 3)
                return;
 
-       if (!prefixcmp(arg, "no-")) {
+       if (starts_with(arg, "no-")) {
                error ("did you mean `--%s` (with two dashes ?)", arg);
                exit(129);
        }
@@ -342,7 +335,7 @@ static void check_typos(const char *arg, const struct option *options)
        for (; options->type != OPTION_END; options++) {
                if (!options->long_name)
                        continue;
-               if (!prefixcmp(options->long_name, arg)) {
+               if (starts_with(options->long_name, arg)) {
                        error ("did you mean `--%s` (with two dashes ?)", arg);
                        exit(129);
                }
@@ -370,7 +363,6 @@ static void parse_options_check(const struct option *opts)
                case OPTION_BIT:
                case OPTION_NEGBIT:
                case OPTION_SET_INT:
-               case OPTION_SET_PTR:
                case OPTION_NUMBER:
                        if ((opts->flags & PARSE_OPT_OPTARG) ||
                            !(opts->flags & PARSE_OPT_NOARG))
@@ -378,6 +370,9 @@ static void parse_options_check(const struct option *opts)
                default:
                        ; /* ok. (usually accepts an argument) */
                }
+               if (opts->argh &&
+                   strcspn(opts->argh, " _") != strlen(opts->argh))
+                       err |= optbug(opts, "multi-word argh should use dash to separate words");
        }
        if (err)
                exit(128);