c8f12abc73
Tested with clang 11.0.0-++20200715043845+0e377e253c1-1~exp1 on Debian sid
../src/network/test-networkd-conf.c:104:56: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int]
test_config_parse_duid_rawdata_one(BYTES_0_128 + 2, 0, &(DUID){0, 128, BYTES_1_128});
~~~~~~~~~~~~^~~
../src/network/test-networkd-conf.c:104:56: note: use array indexing to silence this warning
test_config_parse_duid_rawdata_one(BYTES_0_128 + 2, 0, &(DUID){0, 128, BYTES_1_128});
^
& [ ]
1 warning generated.
../src/test/test-clock.c:52:17: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
ftruncate(fileno(f), 0);
^~~~~~~~~ ~~~~~~~~~~~~
1 warning generated.
(gdb) run
Starting program: systemd/build/test-alloc-util
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
x1: 0x7fffffffd2d0
x2: 0x7fffffffdac0
y: 0x7fffffffd2cc
z: 0x7fffffffd2c0
cleanup2(0x7fffffffd2cc)
cleanup3(0x7fffffffd2c0)
cleanup1(0x7fffffffdac0)
cleanup1(0x7fffffffd2d0)
*** buffer overflow detected ***: terminated
Program received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt full
set = {__val = {0, 18446744073709551615, 0, 0, 0, 0, 140737348658240, 140737348659520, 0, 0, 0, 0, 0, 0, 0, 0}}
pid = <optimized out>
tid = <optimized out>
ret = <optimized out>
save_stage = 1
act = {__sigaction_handler = {sa_handler = 0x22ff0, sa_sigaction = 0x22ff0}, sa_mask = {__val = {140737349888603, 4217127, 4217127, 4217127, 4217127, 4217383, 0, 0, 0, 0, 143329, 143344, 140737351162752, 8959, 18446744073709551328, 4289072}},
sa_flags = -138460788, sa_restorer = 0xffffffffffffffff}
sigs = {__val = {32, 0 <repeats 15 times>}}
ap = {{gp_offset = 24, fp_offset = 0, overflow_arg_area = 0x7fffffffd280, reg_save_area = 0x7fffffffd210}}
fd = <optimized out>
list = <optimized out>
nlist = <optimized out>
cp = <optimized out>
No locals.
No locals.
No locals.
No locals.
No locals.
l = 0
No locals.
p1 = 0x405500 "\223Nd\n\351\301mA\214\262A\247\306b\276\317\327\353\346k\035\024\273{\276&!kλ\233\217\t\207\276\327\347\351\355\307R\276\063{\235w=\237E\357\277KL\245\374\245\066M\201+\333\064\272\332g>1<@"
p2 = <optimized out>
i = <optimized out>
No locals.
79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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/***
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Copyright © 2016 Canonical Ltd.
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***/
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#include <unistd.h>
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#include <fcntl.h>
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#include "clock-util.h"
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#include "fd-util.h"
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#include "fileio.h"
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#include "fs-util.h"
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#include "log.h"
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#include "macro.h"
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#include "tmpfile-util.h"
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static void test_clock_is_localtime(void) {
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_cleanup_(unlink_tempfilep) char adjtime[] = "/tmp/test-adjtime.XXXXXX";
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_cleanup_fclose_ FILE* f = NULL;
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static const struct scenario {
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const char* contents;
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int expected_result;
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} scenarios[] = {
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/* adjtime configures UTC */
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{"0.0 0 0\n0\nUTC\n", 0},
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/* adjtime configures local time */
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{"0.0 0 0\n0\nLOCAL\n", 1},
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/* no final EOL */
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{"0.0 0 0\n0\nUTC", 0},
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{"0.0 0 0\n0\nLOCAL", 1},
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/* empty value -> defaults to UTC */
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{"0.0 0 0\n0\n", 0},
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/* unknown value -> defaults to UTC */
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{"0.0 0 0\n0\nFOO\n", 0},
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/* no third line */
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{"0.0 0 0", 0},
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{"0.0 0 0\n", 0},
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{"0.0 0 0\n0", 0},
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};
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/* without an adjtime file we default to UTC */
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assert_se(clock_is_localtime("/nonexisting/adjtime") == 0);
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assert_se(fmkostemp_safe(adjtime, "w", &f) == 0);
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log_info("adjtime test file: %s", adjtime);
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for (size_t i = 0; i < ELEMENTSOF(scenarios); ++i) {
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log_info("scenario #%zu:, expected result %i", i, scenarios[i].expected_result);
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log_info("%s", scenarios[i].contents);
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rewind(f);
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assert_se(ftruncate(fileno(f), 0) == 0);
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assert_se(write_string_stream(f, scenarios[i].contents, WRITE_STRING_FILE_AVOID_NEWLINE) == 0);
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assert_se(clock_is_localtime(adjtime) == scenarios[i].expected_result);
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}
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}
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/* Test with the real /etc/adjtime */
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static void test_clock_is_localtime_system(void) {
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int r;
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r = clock_is_localtime(NULL);
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if (access("/etc/adjtime", R_OK) == 0) {
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log_info("/etc/adjtime is readable, clock_is_localtime() == %i", r);
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/* if /etc/adjtime exists we expect some answer, no error or
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* crash */
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assert_se(IN_SET(r, 0, 1));
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} else
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/* default is UTC if there is no /etc/adjtime */
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assert_se(r == 0 || ERRNO_IS_PRIVILEGE(r));
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}
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int main(int argc, char *argv[]) {
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test_clock_is_localtime();
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test_clock_is_localtime_system();
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return 0;
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}
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