diff options
Diffstat (limited to 'parse-options.c')
| -rw-r--r-- | parse-options.c | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/parse-options.c b/parse-options.c index 68ff494492..ddac008a5e 100644 --- a/parse-options.c +++ b/parse-options.c @@ -68,6 +68,26 @@ static char *fix_filename(const char *prefix, const char *file) return prefix_filename_except_for_dash(prefix, file); } +static int do_get_int_value(const void *value, size_t precision, intmax_t *ret) +{ + switch (precision) { + case sizeof(int8_t): + *ret = *(int8_t *)value; + return 0; + case sizeof(int16_t): + *ret = *(int16_t *)value; + return 0; + case sizeof(int32_t): + *ret = *(int32_t *)value; + return 0; + case sizeof(int64_t): + *ret = *(int64_t *)value; + return 0; + default: + return -1; + } +} + static enum parse_opt_result do_get_value(struct parse_opt_ctx_t *p, const struct option *opt, enum opt_parsed flags, @@ -266,7 +286,9 @@ static enum parse_opt_result do_get_value(struct parse_opt_ctx_t *p, } struct parse_opt_cmdmode_list { - int value, *value_ptr; + intmax_t value; + void *value_ptr; + size_t precision; const struct option *opt; const char *arg; enum opt_parsed flags; @@ -280,7 +302,7 @@ static void build_cmdmode_list(struct parse_opt_ctx_t *ctx, for (; opts->type != OPTION_END; opts++) { struct parse_opt_cmdmode_list *elem = ctx->cmdmode_list; - int *value_ptr = opts->value; + void *value_ptr = opts->value; if (!(opts->flags & PARSE_OPT_CMDMODE) || !value_ptr) continue; @@ -292,10 +314,13 @@ static void build_cmdmode_list(struct parse_opt_ctx_t *ctx, CALLOC_ARRAY(elem, 1); elem->value_ptr = value_ptr; - elem->value = *value_ptr; + elem->precision = opts->precision; + if (do_get_int_value(value_ptr, opts->precision, &elem->value)) + optbug(opts, "has invalid precision"); elem->next = ctx->cmdmode_list; ctx->cmdmode_list = elem; } + BUG_if_bug("invalid 'struct option'"); } static char *optnamearg(const struct option *opt, const char *arg, @@ -317,7 +342,13 @@ static enum parse_opt_result get_value(struct parse_opt_ctx_t *p, char *opt_name, *other_opt_name; for (; elem; elem = elem->next) { - if (*elem->value_ptr == elem->value) + intmax_t new_value; + + if (do_get_int_value(elem->value_ptr, elem->precision, + &new_value)) + BUG("impossible: invalid precision"); + + if (new_value == elem->value) continue; if (elem->opt && @@ -327,7 +358,7 @@ static enum parse_opt_result get_value(struct parse_opt_ctx_t *p, elem->opt = opt; elem->arg = arg; elem->flags = flags; - elem->value = *elem->value_ptr; + elem->value = new_value; } if (result || !elem) |