diff options
Diffstat (limited to 'parse-options.c')
| -rw-r--r-- | parse-options.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/parse-options.c b/parse-options.c index 30b9e68f8a..33bfba0ed4 100644 --- a/parse-options.c +++ b/parse-options.c @@ -60,12 +60,12 @@ static enum parse_opt_result get_arg(struct parse_opt_ctx_t *p, return 0; } -static void fix_filename(const char *prefix, char **file) +static char *fix_filename(const char *prefix, const char *file) { if (!file || !*file) - ; /* leave as NULL */ + return NULL; else - *file = prefix_filename_except_for_dash(prefix, *file); + return prefix_filename_except_for_dash(prefix, file); } static enum parse_opt_result do_get_value(struct parse_opt_ctx_t *p, @@ -129,18 +129,24 @@ static enum parse_opt_result do_get_value(struct parse_opt_ctx_t *p, return 0; case OPTION_FILENAME: + { + const char *value; + + FREE_AND_NULL(*(char **)opt->value); + err = 0; + if (unset) - *(const char **)opt->value = NULL; + value = NULL; else if (opt->flags & PARSE_OPT_OPTARG && !p->opt) - *(const char **)opt->value = (const char *)opt->defval; + value = (const char *) opt->defval; else - err = get_arg(p, opt, flags, (const char **)opt->value); + err = get_arg(p, opt, flags, &value); if (!err) - fix_filename(p->prefix, (char **)opt->value); + *(char **)opt->value = fix_filename(p->prefix, value); return err; - + } case OPTION_CALLBACK: { const char *p_arg = NULL; |