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-rw-r--r--src/shared/util.c24
-rw-r--r--src/test/test-util.c42
2 files changed, 59 insertions, 7 deletions
diff --git a/src/shared/util.c b/src/shared/util.c
index 5cb598c4c5..3164515a9e 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -2198,6 +2198,8 @@ int parse_size(const char *t, off_t base, off_t *size) {
p = t;
do {
long long l;
+ unsigned long long l2;
+ double frac = 0;
char *e;
unsigned i;
@@ -2213,14 +2215,32 @@ int parse_size(const char *t, off_t base, off_t *size) {
if (e == p)
return -EINVAL;
+ if (*e == '.') {
+ e++;
+ if (*e >= '0' && *e <= '9') {
+ char *e2;
+
+ /* strotoull itself would accept space/+/- */
+ l2 = strtoull(e, &e2, 10);
+
+ if (errno == ERANGE)
+ return -errno;
+
+ /* Ignore failure. E.g. 10.M is valid */
+ frac = l2;
+ for (; e < e2; e++)
+ frac /= 10;
+ }
+ }
+
e += strspn(e, WHITESPACE);
for (i = 0; i < n_entries; i++)
if (startswith(e, table[i].suffix)) {
unsigned long long tmp;
- if ((unsigned long long) l > ULLONG_MAX / table[i].factor)
+ if ((unsigned long long) l + (frac > 0) > ULLONG_MAX / table[i].factor)
return -ERANGE;
- tmp = l * table[i].factor;
+ tmp = l * table[i].factor + (unsigned long long) (frac * table[i].factor);
if (tmp > ULLONG_MAX - r)
return -ERANGE;
diff --git a/src/test/test-util.c b/src/test/test-util.c
index b718206e86..74f83a2629 100644
--- a/src/test/test-util.c
+++ b/src/test/test-util.c
@@ -30,6 +30,7 @@
#include "strv.h"
#include "def.h"
#include "fileio.h"
+#include "conf-parser.h"
static void test_streq_ptr(void) {
assert_se(streq_ptr(NULL, NULL));
@@ -441,17 +442,32 @@ static void test_parse_size(void) {
assert_se(parse_size("111", 1024, &bytes) == 0);
assert_se(bytes == 111);
+ assert_se(parse_size("111.4", 1024, &bytes) == 0);
+ assert_se(bytes == 111);
+
assert_se(parse_size(" 112 B", 1024, &bytes) == 0);
assert_se(bytes == 112);
- assert_se(parse_size("3 K", 1024, &bytes) == 0);
+ assert_se(parse_size(" 112.6 B", 1024, &bytes) == 0);
+ assert_se(bytes == 112);
+
+ assert_se(parse_size("3.5 K", 1024, &bytes) == 0);
+ assert_se(bytes == 3*1024 + 512);
+
+ assert_se(parse_size("3. K", 1024, &bytes) == 0);
+ assert_se(bytes == 3*1024);
+
+ assert_se(parse_size("3.0 K", 1024, &bytes) == 0);
assert_se(bytes == 3*1024);
- assert_se(parse_size(" 4 M 11K", 1024, &bytes) == 0);
- assert_se(bytes == 4*1024*1024 + 11 * 1024);
+ assert_se(parse_size("3. 0 K", 1024, &bytes) == 0);
+ assert_se(bytes == 3);
- assert_se(parse_size("3B3G", 1024, &bytes) == 0);
- assert_se(bytes == 3ULL*1024*1024*1024 + 3);
+ assert_se(parse_size(" 4 M 11.5K", 1024, &bytes) == 0);
+ assert_se(bytes == 4*1024*1024 + 11 * 1024 + 512);
+
+ assert_se(parse_size("3B3.5G", 1024, &bytes) == 0);
+ assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 3);
assert_se(parse_size("3B3G4T", 1024, &bytes) == 0);
assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
@@ -464,6 +480,10 @@ static void test_parse_size(void) {
assert_se(parse_size("12X", 1024, &bytes) == -EINVAL);
+ assert_se(parse_size("12.5X", 1024, &bytes) == -EINVAL);
+
+ assert_se(parse_size("12.5e3", 1024, &bytes) == -EINVAL);
+
assert_se(parse_size("1024E", 1024, &bytes) == -ERANGE);
assert_se(parse_size("-1", 1024, &bytes) == -ERANGE);
assert_se(parse_size("-1024E", 1024, &bytes) == -ERANGE);
@@ -473,6 +493,14 @@ static void test_parse_size(void) {
assert_se(parse_size("-10B 20K", 1024, &bytes) == -ERANGE);
}
+static void test_config_parse_iec_off(void) {
+ off_t offset = 0;
+ assert_se(config_parse_iec_off(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4M", &offset, NULL) == 0);
+ assert_se(offset == 4 * 1024 * 1024);
+
+ assert_se(config_parse_iec_off(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4.5M", &offset, NULL) == 0);
+}
+
static void test_strextend(void) {
_cleanup_free_ char *str = strdup("0123");
strextend(&str, "456", "78", "9", NULL);
@@ -589,6 +617,9 @@ static void test_writing_tmpfile(void) {
}
int main(int argc, char *argv[]) {
+ log_parse_environment();
+ log_open();
+
test_streq_ptr();
test_first_word();
test_close_many();
@@ -618,6 +649,7 @@ int main(int argc, char *argv[]) {
test_get_process_comm();
test_protect_errno();
test_parse_size();
+ test_config_parse_iec_off();
test_strextend();
test_strrep();
test_split_pair();