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authorLennart Poettering <lennart@poettering.net>2014-03-14 21:11:31 +0100
committerLennart Poettering <lennart@poettering.net>2014-03-14 21:17:14 +0100
commit29bfbcd675d750c0af4d7dae217722932249e435 (patch)
tree333eebd589a7106ae35ad0278e1652402ca85ec3 /src/test/test-util.c
parentedb2935c5c5b95c42b8679086f60da5eafad74cb (diff)
util: add hexdump() call to create pretty hexdumps of data
This is very useful when debugging sd-bus to look at messages.
Diffstat (limited to 'src/test/test-util.c')
-rw-r--r--src/test/test-util.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/test-util.c b/src/test/test-util.c
index 229f492889..6297182e0b 100644
--- a/src/test/test-util.c
+++ b/src/test/test-util.c
@@ -626,6 +626,25 @@ static void test_writing_tmpfile(void) {
assert(streq(contents, "abc\n" ALPHANUMERICAL "\n"));
}
+static void test_hexdump(void) {
+ uint8_t data[146];
+ unsigned i;
+
+ hexdump(stdout, NULL, 0);
+ hexdump(stdout, "", 0);
+ hexdump(stdout, "", 1);
+ hexdump(stdout, "x", 1);
+ hexdump(stdout, "x", 2);
+ hexdump(stdout, "foobar", 7);
+ hexdump(stdout, "f\nobar", 7);
+ hexdump(stdout, "xxxxxxxxxxxxxxxxxxxxyz", 23);
+
+ for (i = 0; i < ELEMENTSOF(data); i++)
+ data[i] = i*2;
+
+ hexdump(stdout, data, sizeof(data));
+}
+
int main(int argc, char *argv[]) {
log_parse_environment();
log_open();
@@ -667,6 +686,7 @@ int main(int argc, char *argv[]) {
test_get_files_in_directory();
test_in_set();
test_writing_tmpfile();
+ test_hexdump();
return 0;
}