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Merge branch 'obsd-master' into master

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This commit is contained in:
Thomas Adam
2021-08-25 12:01:11 +01:00
parent 6616b42b2c 24636be42b
commit c6375a0d40
13 changed files with 251 additions and 57 deletions
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87
arguments.c
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@ -124,10 +124,11 @@ args_create(void)
/* Parse arguments into a new argument set. */
struct args *
args_parse(const struct args_parse *parse, struct args_value *values,
u_int count)
u_int count, char **cause)
{
struct args *args;
u_int i;
enum args_parse_type type;
struct args_value *value, *new;
u_char flag, argument;
const char *found, *string, *s;
@ -153,11 +154,13 @@ args_parse(const struct args_parse *parse, struct args_value *values,
if (flag == '\0')
break;
if (!isalnum(flag)) {
xasprintf(cause, "invalid flag -%c", flag);
args_free(args);
return (NULL);
}
found = strchr(parse->template, flag);
if (found == NULL) {
xasprintf(cause, "unknown flag -%c", flag);
args_free(args);
return (NULL);
}
@ -167,12 +170,22 @@ args_parse(const struct args_parse *parse, struct args_value *values,
args_set(args, flag, NULL);
continue;
}
new = xcalloc(1, sizeof *value);
new = xcalloc(1, sizeof *new);
if (*string != '\0') {
new->type = ARGS_STRING;
new->string = xstrdup(string);
} else {
if (i == count) {
xasprintf(cause,
"-%c expects an argument",
flag);
args_free(args);
return (NULL);
}
if (values[i].type != ARGS_STRING) {
xasprintf(cause,
"-%c argument must be a string",
flag);
args_free(args);
return (NULL);
}
@ -192,14 +205,60 @@ args_parse(const struct args_parse *parse, struct args_value *values,
s = args_value_as_string(value);
log_debug("%s: %u = %s", __func__, i, s);
if (parse->cb != NULL) {
type = parse->cb(args, args->count, cause);
if (type == ARGS_PARSE_INVALID) {
args_free(args);
return (NULL);
}
} else
type = ARGS_PARSE_STRING;
args->values = xrecallocarray(args->values,
args->count, args->count + 1, sizeof *args->values);
args_copy_value(&args->values[args->count++], value);
new = &args->values[args->count++];
switch (type) {
case ARGS_PARSE_INVALID:
fatalx("unexpected argument type");
case ARGS_PARSE_STRING:
if (value->type != ARGS_STRING) {
xasprintf(cause,
"argument %u must be \"string\"",
args->count);
args_free(args);
return (NULL);
}
args_copy_value(new, value);
break;
case ARGS_PARSE_COMMANDS_OR_STRING:
args_copy_value(new, value);
break;
case ARGS_PARSE_COMMANDS:
if (value->type != ARGS_COMMANDS) {
xasprintf(cause,
"argument %u must be { commands }",
args->count);
args_free(args);
return (NULL);
}
args_copy_value(new, value);
break;
}
}
}
if ((parse->lower != -1 && args->count < (u_int)parse->lower) ||
(parse->upper != -1 && args->count > (u_int)parse->upper)) {
if (parse->lower != -1 && args->count < (u_int)parse->lower) {
xasprintf(cause,
"too few arguments (need at least %u)",
parse->lower);
args_free(args);
return (NULL);
}
if (parse->upper != -1 && args->count > (u_int)parse->upper) {
xasprintf(cause,
"too many arguments (need at most %u)",
parse->upper);
args_free(args);
return (NULL);
}
@ -254,15 +313,25 @@ args_free(struct args *args)
void
args_vector(struct args *args, int *argc, char ***argv)
{
struct args_value *value;
u_int i;
char *s;
u_int i;
*argc = 0;
*argv = NULL;
for (i = 0; i < args->count; i++) {
value = &args->values[i];
cmd_append_argv(argc, argv, args_value_as_string(value));
switch (args->values[i].type) {
case ARGS_NONE:
break;
case ARGS_STRING:
cmd_append_argv(argc, argv, args->values[i].string);
break;
case ARGS_COMMANDS:
s = cmd_list_print(args->values[i].cmdlist, 0);
cmd_append_argv(argc, argv, s);
free(s);
break;
}
}
}