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Fix validation of missing percentage arguments.

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This commit is contained in:
nicm 2022-08-02 09:23:34 +00:00
parent 36d904011a
commit 33c59100ae
1 changed files with 12 additions and 0 deletions
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12
arguments.c
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@ -895,6 +895,10 @@ args_percentage(struct args *args, u_char flag, long long minval,
*cause = xstrdup("missing");
return (0);
}
if (TAILQ_EMPTY(&entry->values)) {
*cause = xstrdup("empty");
return (0);
}
value = TAILQ_LAST(&entry->values, args_values)->string;
return (args_string_percentage(value, minval, maxval, curval, cause));
}
@ -909,6 +913,10 @@ args_string_percentage(const char *value, long long minval, long long maxval,
size_t valuelen = strlen(value);
char *copy;
if (valuelen == 0) {
*cause = xstrdup("empty");
return (0);
}
if (value[valuelen - 1] == '%') {
copy = xstrdup(value);
copy[valuelen - 1] = '\0';
@ -955,6 +963,10 @@ args_percentage_and_expand(struct args *args, u_char flag, long long minval,
*cause = xstrdup("missing");
return (0);
}
if (TAILQ_EMPTY(&entry->values)) {
*cause = xstrdup("empty");
return (0);
}
value = TAILQ_LAST(&entry->values, args_values)->string;
return (args_string_percentage_and_expand(value, minval, maxval, curval,
item, cause));