aboutsummaryrefslogtreecommitdiff
path: root/tests/qtest/bios-tables-test.c
diff options
context:
space:
mode:
Diffstat (limited to 'tests/qtest/bios-tables-test.c')
-rw-r--r--tests/qtest/bios-tables-test.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c
index b4752c644c..0a597bbacf 100644
--- a/tests/qtest/bios-tables-test.c
+++ b/tests/qtest/bios-tables-test.c
@@ -426,7 +426,9 @@ static void test_acpi_asl(test_data *data)
fprintf(stderr,
"acpi-test: Warning! %.4s binary file mismatch. "
- "Actual [aml:%s], Expected [aml:%s].\n",
+ "Actual [aml:%s], Expected [aml:%s].\n"
+ "See source file tests/qtest/bios-tables-test.c "
+ "for instructions on how to update expected files.\n",
exp_sdt->aml, sdt->aml_file, exp_sdt->aml_file);
all_tables_match = all_tables_match &&
@@ -461,21 +463,20 @@ static void test_acpi_asl(test_data *data)
"Actual [asl:%s, aml:%s], Expected [asl:%s, aml:%s].\n",
exp_sdt->aml, sdt->asl_file, sdt->aml_file,
exp_sdt->asl_file, exp_sdt->aml_file);
+ fflush(stderr);
if (getenv("V")) {
- const char *diff_cmd = getenv("DIFF");
- if (diff_cmd) {
- int ret G_GNUC_UNUSED;
- char *diff = g_strdup_printf("%s %s %s", diff_cmd,
- exp_sdt->asl_file, sdt->asl_file);
- ret = system(diff) ;
- g_free(diff);
- } else {
- fprintf(stderr, "acpi-test: Warning. not showing "
- "difference since no diff utility is specified. "
- "Set 'DIFF' environment variable to a preferred "
- "diff utility and run 'make V=1 check' again to "
- "see ASL difference.");
- }
+ const char *diff_env = getenv("DIFF");
+ const char *diff_cmd = diff_env ? diff_env : "diff -u";
+ char *diff = g_strdup_printf("%s %s %s", diff_cmd,
+ exp_sdt->asl_file, sdt->asl_file);
+ int out = dup(STDOUT_FILENO);
+ int ret G_GNUC_UNUSED;
+
+ dup2(STDERR_FILENO, STDOUT_FILENO);
+ ret = system(diff) ;
+ dup2(out, STDOUT_FILENO);
+ close(out);
+ g_free(diff);
}
}
}