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-rw-r--r--math/libm-test-support.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/math/libm-test-support.c b/math/libm-test-support.c
index 1d60ac7..0cae545 100644
--- a/math/libm-test-support.c
+++ b/math/libm-test-support.c
@@ -130,7 +130,7 @@ static int noTests; /* number of tests (without testing exceptions) */
static int noExcTests; /* number of tests for exception flags */
static int noErrnoTests;/* number of tests for errno values */
-static int verbose;
+static unsigned int verbose;
static int output_max_error; /* Should the maximal errors printed? */
static int output_points; /* Should the single function results printed? */
static int ignore_max_ulp; /* Should we ignore max_ulp? */
@@ -1057,7 +1057,14 @@ parse_opt (int key, char *arg, struct argp_state *state)
break;
case 'v':
if (optarg)
- verbose = (unsigned int) strtoul (optarg, NULL, 0);
+ {
+ char *optstr_conv = optarg;
+ unsigned int opt_verbose;
+
+ opt_verbose = (unsigned int) strtoul (optarg, &optstr_conv, 0);
+ if (*optstr_conv == '\0' && optstr_conv != optarg)
+ verbose = opt_verbose;
+ }
else
verbose = 3;
break;
@@ -1139,6 +1146,7 @@ libm_test_init (int argc, char **argv)
int remaining;
char *ulps_file_path;
size_t dir_len = 0;
+ char *envstr_verbose;
verbose = 1;
output_ulps = 0;
@@ -1148,6 +1156,17 @@ libm_test_init (int argc, char **argv)
/* XXX set to 0 for releases. */
ignore_max_ulp = 0;
+ envstr_verbose = getenv("GLIBC_TEST_LIBM_VERBOSE");
+ if (envstr_verbose != NULL)
+ {
+ char *envstr_conv = envstr_verbose;
+ unsigned int env_verbose;
+
+ env_verbose = (unsigned int) strtoul (envstr_verbose, &envstr_conv, 0);
+ if (*envstr_conv == '\0' && envstr_conv != envstr_verbose)
+ verbose = env_verbose;
+ }
+
/* Parse and process arguments. */
argp_parse (&argp, argc, argv, 0, &remaining, NULL);