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-rw-r--r--src/shared/time-util.c90
-rw-r--r--src/shared/time-util.h1
-rw-r--r--src/test/test-time.c86
3 files changed, 165 insertions, 12 deletions
diff --git a/src/shared/time-util.c b/src/shared/time-util.c
index e27aaf6c6a..476b847ead 100644
--- a/src/shared/time-util.c
+++ b/src/shared/time-util.c
@@ -534,15 +534,25 @@ int parse_sec(const char *t, usec_t *usec) {
const char *p;
usec_t r = 0;
+ bool something = false;
assert(t);
assert(usec);
p = t;
- do {
- long long l;
+ for (;;) {
+ long long l, z = 0;
char *e;
- unsigned i;
+ unsigned i, n = 0;
+
+ p += strspn(p, WHITESPACE);
+
+ if (*p == 0) {
+ if (!something)
+ return -EINVAL;
+
+ break;
+ }
errno = 0;
l = strtoll(p, &e, 10);
@@ -553,22 +563,45 @@ int parse_sec(const char *t, usec_t *usec) {
if (l < 0)
return -ERANGE;
- if (e == p)
+ if (*e == '.') {
+ char *b = e + 1;
+
+ errno = 0;
+ z = strtoll(b, &e, 10);
+ if (errno > 0)
+ return -errno;
+
+ if (z < 0)
+ return -ERANGE;
+
+ if (e == b)
+ return -EINVAL;
+
+ n = e - b;
+
+ } else if (e == p)
return -EINVAL;
e += strspn(e, WHITESPACE);
for (i = 0; i < ELEMENTSOF(table); i++)
if (startswith(e, table[i].suffix)) {
- r += (usec_t) l * table[i].usec;
+ usec_t k = (usec_t) z * table[i].usec;
+
+ for (; n > 0; n--)
+ k /= 10;
+
+ r += (usec_t) l * table[i].usec + k;
p = e + strlen(table[i].suffix);
+
+ something = true;
break;
}
if (i >= ELEMENTSOF(table))
return -EINVAL;
- } while (*p != 0);
+ }
*usec = r;
@@ -614,15 +647,25 @@ int parse_nsec(const char *t, nsec_t *nsec) {
const char *p;
nsec_t r = 0;
+ bool something = false;
assert(t);
assert(nsec);
p = t;
- do {
- long long l;
+ for (;;) {
+ long long l, z = 0;
char *e;
- unsigned i;
+ unsigned i, n = 0;
+
+ p += strspn(p, WHITESPACE);
+
+ if (*p == 0) {
+ if (!something)
+ return -EINVAL;
+
+ break;
+ }
errno = 0;
l = strtoll(p, &e, 10);
@@ -633,22 +676,45 @@ int parse_nsec(const char *t, nsec_t *nsec) {
if (l < 0)
return -ERANGE;
- if (e == p)
+ if (*e == '.') {
+ char *b = e + 1;
+
+ errno = 0;
+ z = strtoll(b, &e, 10);
+ if (errno > 0)
+ return -errno;
+
+ if (z < 0)
+ return -ERANGE;
+
+ if (e == b)
+ return -EINVAL;
+
+ n = e - b;
+
+ } else if (e == p)
return -EINVAL;
e += strspn(e, WHITESPACE);
for (i = 0; i < ELEMENTSOF(table); i++)
if (startswith(e, table[i].suffix)) {
- r += (nsec_t) l * table[i].nsec;
+ nsec_t k = (nsec_t) z * table[i].nsec;
+
+ for (; n > 0; n--)
+ k /= 10;
+
+ r += (nsec_t) l * table[i].nsec + k;
p = e + strlen(table[i].suffix);
+
+ something = true;
break;
}
if (i >= ELEMENTSOF(table))
return -EINVAL;
- } while (*p != 0);
+ }
*nsec = r;
diff --git a/src/shared/time-util.h b/src/shared/time-util.h
index 2e3b0f5744..a02cdfc79f 100644
--- a/src/shared/time-util.h
+++ b/src/shared/time-util.h
@@ -22,6 +22,7 @@
***/
#include <stdio.h>
+#include <inttypes.h>
typedef uint64_t usec_t;
typedef uint64_t nsec_t;
diff --git a/src/test/test-time.c b/src/test/test-time.c
new file mode 100644
index 0000000000..e9d188fced
--- /dev/null
+++ b/src/test/test-time.c
@@ -0,0 +1,86 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "time-util.h"
+
+static void test_parse_sec(void) {
+ usec_t u;
+
+ assert_se(parse_sec("5s", &u) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC);
+ assert_se(parse_sec("5s500ms", &u) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC);
+ assert_se(parse_sec(" 5s 500ms ", &u) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC);
+ assert_se(parse_sec(" 5.5s ", &u) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC);
+ assert_se(parse_sec(" 5.5s 0.5ms ", &u) >= 0);
+ assert_se(u == 5 * USEC_PER_SEC + 500 * USEC_PER_MSEC + 500);
+ assert_se(parse_sec(" .22s ", &u) >= 0);
+ assert_se(u == 220 * USEC_PER_MSEC);
+ assert_se(parse_sec(" .50y ", &u) >= 0);
+ assert_se(u == USEC_PER_YEAR / 2);
+ assert_se(parse_sec("2.5", &u) >= 0);
+ assert_se(u == 2500 * USEC_PER_MSEC);
+ assert_se(parse_sec(".7", &u) >= 0);
+ assert_se(u == 700 * USEC_PER_MSEC);
+
+ assert_se(parse_sec(" xyz ", &u) < 0);
+ assert_se(parse_sec("", &u) < 0);
+ assert_se(parse_sec(" . ", &u) < 0);
+ assert_se(parse_sec(" 5. ", &u) < 0);
+ assert_se(parse_sec(".s ", &u) < 0);
+}
+
+static void test_parse_nsec(void) {
+ nsec_t u;
+
+ assert_se(parse_nsec("5s", &u) >= 0);
+ assert_se(u == 5 * NSEC_PER_SEC);
+ assert_se(parse_nsec("5s500ms", &u) >= 0);
+ assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC);
+ assert_se(parse_nsec(" 5s 500ms ", &u) >= 0);
+ assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC);
+ assert_se(parse_nsec(" 5.5s ", &u) >= 0);
+ assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC);
+ assert_se(parse_nsec(" 5.5s 0.5ms ", &u) >= 0);
+ assert_se(u == 5 * NSEC_PER_SEC + 500 * NSEC_PER_MSEC + 500 * NSEC_PER_USEC);
+ assert_se(parse_nsec(" .22s ", &u) >= 0);
+ assert_se(u == 220 * NSEC_PER_MSEC);
+ assert_se(parse_nsec(" .50y ", &u) >= 0);
+ assert_se(u == NSEC_PER_YEAR / 2);
+ assert_se(parse_nsec("2.5", &u) >= 0);
+ assert_se(u == 2);
+ assert_se(parse_nsec(".7", &u) >= 0);
+ assert_se(u == 0);
+
+ assert_se(parse_nsec(" xyz ", &u) < 0);
+ assert_se(parse_nsec("", &u) < 0);
+ assert_se(parse_nsec(" . ", &u) < 0);
+ assert_se(parse_nsec(" 5. ", &u) < 0);
+ assert_se(parse_nsec(".s ", &u) < 0);
+}
+
+int main(int argc, char *argv[]) {
+ test_parse_sec();
+ test_parse_nsec();
+ return 0;
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-07 20:53:58 +0000