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util-lib: introduce parse_percent() for parsing percent specifications

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And port a couple of users over to it.
This commit is contained in:
Lennart Poettering
2016-06-14 19:50:38 +02:00
parent d9ab2bcf05
commit 9184ca48ea
6 changed files with 59 additions and 40 deletions
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src/test/test-parse-util.c
+19
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@@ -475,6 +475,24 @@ static void test_safe_atod(void) {
assert_se(*e == ',');
}
static void test_parse_percent(void) {
assert_se(parse_percent("") == -EINVAL);
assert_se(parse_percent("foo") == -EINVAL);
assert_se(parse_percent("0") == -EINVAL);
assert_se(parse_percent("50") == -EINVAL);
assert_se(parse_percent("100") == -EINVAL);
assert_se(parse_percent("-1") == -EINVAL);
assert_se(parse_percent("0%") == 0);
assert_se(parse_percent("55%") == 55);
assert_se(parse_percent("100%") == 100);
assert_se(parse_percent("-7%") == -ERANGE);
assert_se(parse_percent("107%") == -ERANGE);
assert_se(parse_percent("%") == -EINVAL);
assert_se(parse_percent("%%") == -EINVAL);
assert_se(parse_percent("%1") == -EINVAL);
assert_se(parse_percent("1%%") == -EINVAL);
}
int main(int argc, char *argv[]) {
log_parse_environment();
log_open();
@@ -488,6 +506,7 @@ int main(int argc, char *argv[]) {
test_safe_atou16();
test_safe_atoi16();
test_safe_atod();
test_parse_percent();
return 0;
}