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changeset 8839:5efc1d668039

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Accomodate for implementations that produce 3 exponent digits in %e and %g.
author Bruno Haible <bruno@clisp.org>
date Sat, 19 May 2007 10:22:11 +0000
parents db95bdbeb72c
children 792e05ae7ac8
files tests/test-snprintf-posix.h tests/test-sprintf-posix.h tests/test-vasnprintf-posix.c tests/test-vasprintf-posix.c
diffstat 4 files changed, 222 insertions(+), 84 deletions(-) [+]
line wrap: on
line diff
--- a/tests/test-snprintf-posix.h
+++ b/tests/test-snprintf-posix.h
@@ -1305,7 +1305,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%e %d", 12.75, 33, 44, 55);
-    ASSERT (strcmp (result, "1.275000e+01 33") == 0);
+    ASSERT (strcmp (result, "1.275000e+01 33") == 0
+	    || strcmp (result, "1.275000e+001 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1313,7 +1314,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%e %d", 1234567.0, 33, 44, 55);
-    ASSERT (strcmp (result, "1.234567e+06 33") == 0);
+    ASSERT (strcmp (result, "1.234567e+06 33") == 0
+	    || strcmp (result, "1.234567e+006 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1401,7 +1403,16 @@
 	char result[100];
 	int retval =
 	  my_snprintf (result, sizeof (result), "%e", data[k].value);
-	ASSERT (strmatch (data[k].string, result));
+	const char *expected = data[k].string;
+	ASSERT (result != NULL);
+	ASSERT (strcmp (result, expected) == 0
+		/* Some implementations produce exponents with 3 digits.  */
+		|| (strlen (result) == strlen (expected) + 1
+		    && memcmp (result, expected, strlen (expected) - 2) == 0
+		    && result[strlen (expected) - 2] == '0'
+		    && strcmp (result + strlen (expected) - 1,
+			       expected + strlen (expected) - 2)
+		       == 0));
 	ASSERT (retval == strlen (result));
       }
   }
@@ -1410,7 +1421,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%e %d", -0.03125, 33, 44, 55);
-    ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
+    ASSERT (strcmp (result, "-3.125000e-02 33") == 0
+	    || strcmp (result, "-3.125000e-002 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1418,7 +1430,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%e %d", 0.0, 33, 44, 55);
-    ASSERT (strcmp (result, "0.000000e+00 33") == 0);
+    ASSERT (strcmp (result, "0.000000e+00 33") == 0
+	    || strcmp (result, "0.000000e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1426,7 +1439,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%e %d", -0.0, 33, 44, 55);
-    ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
+    ASSERT (strcmp (result, "-0.000000e+00 33") == 0
+	    || strcmp (result, "-0.000000e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1460,7 +1474,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%15e %d", 1.75, 33, 44, 55);
-    ASSERT (strcmp (result, "   1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, "   1.750000e+00 33") == 0
+	    || strcmp (result, "  1.750000e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1468,7 +1483,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%-15e %d", 1.75, 33, 44, 55);
-    ASSERT (strcmp (result, "1.750000e+00    33") == 0);
+    ASSERT (strcmp (result, "1.750000e+00    33") == 0
+	    || strcmp (result, "1.750000e+000   33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1476,7 +1492,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%+e %d", 1.75, 33, 44, 55);
-    ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, "+1.750000e+00 33") == 0
+	    || strcmp (result, "+1.750000e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1484,7 +1501,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "% e %d", 1.75, 33, 44, 55);
-    ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, " 1.750000e+00 33") == 0
+	    || strcmp (result, " 1.750000e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1492,7 +1510,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%#e %d", 1.75, 33, 44, 55);
-    ASSERT (strcmp (result, "1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, "1.750000e+00 33") == 0
+	    || strcmp (result, "1.750000e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1500,7 +1519,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%#.e %d", 1.75, 33, 44, 55);
-    ASSERT (strcmp (result, "2.e+00 33") == 0);
+    ASSERT (strcmp (result, "2.e+00 33") == 0
+	    || strcmp (result, "2.e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1508,7 +1528,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%#.e %d", 9.75, 33, 44, 55);
-    ASSERT (strcmp (result, "1.e+01 33") == 0);
+    ASSERT (strcmp (result, "1.e+01 33") == 0
+	    || strcmp (result, "1.e+001 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1516,7 +1537,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%015e %d", 1234.0, 33, 44, 55);
-    ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
+    ASSERT (strcmp (result, "0001.234000e+03 33") == 0
+	    || strcmp (result, "001.234000e+003 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1541,7 +1563,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%.e %d", 1234.0, 33, 44, 55);
-    ASSERT (strcmp (result, "1e+03 33") == 0);
+    ASSERT (strcmp (result, "1e+03 33") == 0
+	    || strcmp (result, "1e+003 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1645,7 +1668,7 @@
 	char result[100];
 	int retval =
 	  my_snprintf (result, sizeof (result), "%Le", data[k].value);
-	ASSERT (strmatch (data[k].string, result));
+	ASSERT (strcmp (result, data[k].string) == 0);
 	ASSERT (retval == strlen (result));
       }
   }
@@ -1805,7 +1828,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%g %d", 1234567.0, 33, 44, 55);
-    ASSERT (strcmp (result, "1.23457e+06 33") == 0);
+    ASSERT (strcmp (result, "1.23457e+06 33") == 0
+	    || strcmp (result, "1.23457e+006 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1893,7 +1917,16 @@
 	char result[100];
 	int retval =
 	  my_snprintf (result, sizeof (result), "%g", data[k].value);
-	ASSERT (strmatch (data[k].string, result));
+	const char *expected = data[k].string;
+	ASSERT (strcmp (result, expected) == 0
+		/* Some implementations produce exponents with 3 digits.  */
+		|| (expected[strlen (expected) - 4] == 'e'
+		    && strlen (result) == strlen (expected) + 1
+		    && memcmp (result, expected, strlen (expected) - 2) == 0
+		    && result[strlen (expected) - 2] == '0'
+		    && strcmp (result + strlen (expected) - 1,
+			       expected + strlen (expected) - 2)
+		       == 0));
 	ASSERT (retval == strlen (result));
       }
   }
@@ -2000,7 +2033,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%#.g %d", 9.75, 33, 44, 55);
-    ASSERT (strcmp (result, "1.e+01 33") == 0);
+    ASSERT (strcmp (result, "1.e+01 33") == 0
+	    || strcmp (result, "1.e+001 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -2033,7 +2067,8 @@
     char result[100];
     int retval =
       my_snprintf (result, sizeof (result), "%.g %d", 1234.0, 33, 44, 55);
-    ASSERT (strcmp (result, "1e+03 33") == 0);
+    ASSERT (strcmp (result, "1e+03 33") == 0
+	    || strcmp (result, "1e+003 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -2137,7 +2172,7 @@
 	char result[100];
 	int retval =
 	  my_snprintf (result, sizeof (result), "%Lg", data[k].value);
-	ASSERT (strmatch (data[k].string, result));
+	ASSERT (strcmp (result, data[k].string) == 0);
 	ASSERT (retval == strlen (result));
       }
   }
--- a/tests/test-sprintf-posix.h
+++ b/tests/test-sprintf-posix.h
@@ -1279,7 +1279,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%e %d", 12.75, 33, 44, 55);
-    ASSERT (strcmp (result, "1.275000e+01 33") == 0);
+    ASSERT (strcmp (result, "1.275000e+01 33") == 0
+	    || strcmp (result, "1.275000e+001 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1287,7 +1288,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%e %d", 1234567.0, 33, 44, 55);
-    ASSERT (strcmp (result, "1.234567e+06 33") == 0);
+    ASSERT (strcmp (result, "1.234567e+06 33") == 0
+	    || strcmp (result, "1.234567e+006 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1375,7 +1377,16 @@
 	char result[1000];
 	int retval =
 	  my_sprintf (result, "%e", data[k].value);
-	ASSERT (strmatch (data[k].string, result));
+	const char *expected = data[k].string;
+	ASSERT (result != NULL);
+	ASSERT (strcmp (result, expected) == 0
+		/* Some implementations produce exponents with 3 digits.  */
+		|| (strlen (result) == strlen (expected) + 1
+		    && memcmp (result, expected, strlen (expected) - 2) == 0
+		    && result[strlen (expected) - 2] == '0'
+		    && strcmp (result + strlen (expected) - 1,
+			       expected + strlen (expected) - 2)
+		       == 0));
 	ASSERT (retval == strlen (result));
       }
   }
@@ -1384,7 +1395,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%e %d", -0.03125, 33, 44, 55);
-    ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
+    ASSERT (strcmp (result, "-3.125000e-02 33") == 0
+	    || strcmp (result, "-3.125000e-002 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1392,7 +1404,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%e %d", 0.0, 33, 44, 55);
-    ASSERT (strcmp (result, "0.000000e+00 33") == 0);
+    ASSERT (strcmp (result, "0.000000e+00 33") == 0
+	    || strcmp (result, "0.000000e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1400,7 +1413,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%e %d", -0.0, 33, 44, 55);
-    ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
+    ASSERT (strcmp (result, "-0.000000e+00 33") == 0
+	    || strcmp (result, "-0.000000e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1434,7 +1448,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%15e %d", 1.75, 33, 44, 55);
-    ASSERT (strcmp (result, "   1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, "   1.750000e+00 33") == 0
+	    || strcmp (result, "  1.750000e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1442,7 +1457,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%-15e %d", 1.75, 33, 44, 55);
-    ASSERT (strcmp (result, "1.750000e+00    33") == 0);
+    ASSERT (strcmp (result, "1.750000e+00    33") == 0
+	    || strcmp (result, "1.750000e+000   33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1450,7 +1466,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%+e %d", 1.75, 33, 44, 55);
-    ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, "+1.750000e+00 33") == 0
+	    || strcmp (result, "+1.750000e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1458,7 +1475,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "% e %d", 1.75, 33, 44, 55);
-    ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, " 1.750000e+00 33") == 0
+	    || strcmp (result, " 1.750000e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1466,7 +1484,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%#e %d", 1.75, 33, 44, 55);
-    ASSERT (strcmp (result, "1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, "1.750000e+00 33") == 0
+	    || strcmp (result, "1.750000e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1474,7 +1493,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%#.e %d", 1.75, 33, 44, 55);
-    ASSERT (strcmp (result, "2.e+00 33") == 0);
+    ASSERT (strcmp (result, "2.e+00 33") == 0
+	    || strcmp (result, "2.e+000 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1482,7 +1502,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%#.e %d", 9.75, 33, 44, 55);
-    ASSERT (strcmp (result, "1.e+01 33") == 0);
+    ASSERT (strcmp (result, "1.e+01 33") == 0
+	    || strcmp (result, "1.e+001 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1490,7 +1511,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%015e %d", 1234.0, 33, 44, 55);
-    ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
+    ASSERT (strcmp (result, "0001.234000e+03 33") == 0
+	    || strcmp (result, "001.234000e+003 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1515,7 +1537,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%.e %d", 1234.0, 33, 44, 55);
-    ASSERT (strcmp (result, "1e+03 33") == 0);
+    ASSERT (strcmp (result, "1e+03 33") == 0
+	    || strcmp (result, "1e+003 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1619,7 +1642,7 @@
 	char result[1000];
 	int retval =
 	  my_sprintf (result, "%Le", data[k].value);
-	ASSERT (strmatch (data[k].string, result));
+	ASSERT (strcmp (result, data[k].string) == 0);
 	ASSERT (retval == strlen (result));
       }
   }
@@ -1779,7 +1802,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%g %d", 1234567.0, 33, 44, 55);
-    ASSERT (strcmp (result, "1.23457e+06 33") == 0);
+    ASSERT (strcmp (result, "1.23457e+06 33") == 0
+	    || strcmp (result, "1.23457e+006 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -1867,7 +1891,16 @@
 	char result[1000];
 	int retval =
 	  my_sprintf (result, "%g", data[k].value);
-	ASSERT (strmatch (data[k].string, result));
+	const char *expected = data[k].string;
+	ASSERT (strcmp (result, expected) == 0
+		/* Some implementations produce exponents with 3 digits.  */
+		|| (expected[strlen (expected) - 4] == 'e'
+		    && strlen (result) == strlen (expected) + 1
+		    && memcmp (result, expected, strlen (expected) - 2) == 0
+		    && result[strlen (expected) - 2] == '0'
+		    && strcmp (result + strlen (expected) - 1,
+			       expected + strlen (expected) - 2)
+		       == 0));
 	ASSERT (retval == strlen (result));
       }
   }
@@ -1974,7 +2007,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%#.g %d", 9.75, 33, 44, 55);
-    ASSERT (strcmp (result, "1.e+01 33") == 0);
+    ASSERT (strcmp (result, "1.e+01 33") == 0
+	    || strcmp (result, "1.e+001 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -2007,7 +2041,8 @@
     char result[1000];
     int retval =
       my_sprintf (result, "%.g %d", 1234.0, 33, 44, 55);
-    ASSERT (strcmp (result, "1e+03 33") == 0);
+    ASSERT (strcmp (result, "1e+03 33") == 0
+	    || strcmp (result, "1e+003 33") == 0);
     ASSERT (retval == strlen (result));
   }
 
@@ -2111,7 +2146,7 @@
 	char result[1000];
 	int retval =
 	  my_sprintf (result, "%Lg", data[k].value);
-	ASSERT (strmatch (data[k].string, result));
+	ASSERT (strcmp (result, data[k].string) == 0);
 	ASSERT (retval == strlen (result));
       }
   }
--- a/tests/test-vasnprintf-posix.c
+++ b/tests/test-vasnprintf-posix.c
@@ -1553,7 +1553,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%e %d", 12.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.275000e+01 33") == 0);
+    ASSERT (strcmp (result, "1.275000e+01 33") == 0
+	    || strcmp (result, "1.275000e+001 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1563,7 +1564,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%e %d", 1234567.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.234567e+06 33") == 0);
+    ASSERT (strcmp (result, "1.234567e+06 33") == 0
+	    || strcmp (result, "1.234567e+006 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1652,8 +1654,16 @@
 	size_t length;
 	char *result =
 	  my_asnprintf (NULL, &length, "%e", data[k].value);
+	const char *expected = data[k].string;
 	ASSERT (result != NULL);
-	ASSERT (strmatch (data[k].string, result));
+	ASSERT (strcmp (result, expected) == 0
+		/* Some implementations produce exponents with 3 digits.  */
+		|| (strlen (result) == strlen (expected) + 1
+		    && memcmp (result, expected, strlen (expected) - 2) == 0
+		    && result[strlen (expected) - 2] == '0'
+		    && strcmp (result + strlen (expected) - 1,
+			       expected + strlen (expected) - 2)
+		       == 0));
 	ASSERT (length == strlen (result));
 	free (result);
       }
@@ -1664,7 +1674,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%e %d", -0.03125, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
+    ASSERT (strcmp (result, "-3.125000e-02 33") == 0
+	    || strcmp (result, "-3.125000e-002 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1674,7 +1685,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%e %d", 0.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "0.000000e+00 33") == 0);
+    ASSERT (strcmp (result, "0.000000e+00 33") == 0
+	    || strcmp (result, "0.000000e+000 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1684,7 +1696,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%e %d", -0.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
+    ASSERT (strcmp (result, "-0.000000e+00 33") == 0
+	    || strcmp (result, "-0.000000e+000 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1726,7 +1739,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%15e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "   1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, "   1.750000e+00 33") == 0
+	    || strcmp (result, "  1.750000e+000 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1736,7 +1750,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%-15e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.750000e+00    33") == 0);
+    ASSERT (strcmp (result, "1.750000e+00    33") == 0
+	    || strcmp (result, "1.750000e+000   33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1746,7 +1761,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%+e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, "+1.750000e+00 33") == 0
+	    || strcmp (result, "+1.750000e+000 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1756,7 +1772,8 @@
     char *result =
       my_asnprintf (NULL, &length, "% e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, " 1.750000e+00 33") == 0
+	    || strcmp (result, " 1.750000e+000 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1766,7 +1783,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%#e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, "1.750000e+00 33") == 0
+	    || strcmp (result, "1.750000e+000 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1776,7 +1794,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%#.e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "2.e+00 33") == 0);
+    ASSERT (strcmp (result, "2.e+00 33") == 0
+	    || strcmp (result, "2.e+000 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1786,7 +1805,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%#.e %d", 9.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.e+01 33") == 0);
+    ASSERT (strcmp (result, "1.e+01 33") == 0
+	    || strcmp (result, "1.e+001 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1796,7 +1816,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%015e %d", 1234.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
+    ASSERT (strcmp (result, "0001.234000e+03 33") == 0
+	    || strcmp (result, "001.234000e+003 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1827,7 +1848,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%.e %d", 1234.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1e+03 33") == 0);
+    ASSERT (strcmp (result, "1e+03 33") == 0
+	    || strcmp (result, "1e+003 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -1937,7 +1959,7 @@
 	char *result =
 	  my_asnprintf (NULL, &length, "%Le", data[k].value);
 	ASSERT (result != NULL);
-	ASSERT (strmatch (data[k].string, result));
+	ASSERT (strcmp (result, data[k].string) == 0);
 	ASSERT (length == strlen (result));
 	free (result);
       }
@@ -2135,7 +2157,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%g %d", 1234567.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.23457e+06 33") == 0);
+    ASSERT (strcmp (result, "1.23457e+06 33") == 0
+	    || strcmp (result, "1.23457e+006 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -2224,8 +2247,17 @@
 	size_t length;
 	char *result =
 	  my_asnprintf (NULL, &length, "%g", data[k].value);
+	const char *expected = data[k].string;
 	ASSERT (result != NULL);
-	ASSERT (strmatch (data[k].string, result));
+	ASSERT (strcmp (result, expected) == 0
+		/* Some implementations produce exponents with 3 digits.  */
+		|| (expected[strlen (expected) - 4] == 'e'
+		    && strlen (result) == strlen (expected) + 1
+		    && memcmp (result, expected, strlen (expected) - 2) == 0
+		    && result[strlen (expected) - 2] == '0'
+		    && strcmp (result + strlen (expected) - 1,
+			       expected + strlen (expected) - 2)
+		       == 0));
 	ASSERT (length == strlen (result));
 	free (result);
       }
@@ -2358,7 +2390,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%#.g %d", 9.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.e+01 33") == 0);
+    ASSERT (strcmp (result, "1.e+01 33") == 0
+	    || strcmp (result, "1.e+001 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -2399,7 +2432,8 @@
     char *result =
       my_asnprintf (NULL, &length, "%.g %d", 1234.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1e+03 33") == 0);
+    ASSERT (strcmp (result, "1e+03 33") == 0
+	    || strcmp (result, "1e+003 33") == 0);
     ASSERT (length == strlen (result));
     free (result);
   }
@@ -2509,7 +2543,7 @@
 	char *result =
 	  my_asnprintf (NULL, &length, "%Lg", data[k].value);
 	ASSERT (result != NULL);
-	ASSERT (strmatch (data[k].string, result));
+	ASSERT (strcmp (result, data[k].string) == 0);
 	ASSERT (length == strlen (result));
 	free (result);
       }
--- a/tests/test-vasprintf-posix.c
+++ b/tests/test-vasprintf-posix.c
@@ -1534,7 +1534,8 @@
     int retval =
       my_asprintf (&result, "%e %d", 12.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.275000e+01 33") == 0);
+    ASSERT (strcmp (result, "1.275000e+01 33") == 0
+	    || strcmp (result, "1.275000e+001 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1544,7 +1545,8 @@
     int retval =
       my_asprintf (&result, "%e %d", 1234567.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.234567e+06 33") == 0);
+    ASSERT (strcmp (result, "1.234567e+06 33") == 0
+	    || strcmp (result, "1.234567e+006 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1633,8 +1635,16 @@
 	char *result;
 	int retval =
 	  my_asprintf (&result, "%e", data[k].value);
+	const char *expected = data[k].string;
 	ASSERT (result != NULL);
-	ASSERT (strmatch (data[k].string, result));
+	ASSERT (strcmp (result, expected) == 0
+		/* Some implementations produce exponents with 3 digits.  */
+		|| (strlen (result) == strlen (expected) + 1
+		    && memcmp (result, expected, strlen (expected) - 2) == 0
+		    && result[strlen (expected) - 2] == '0'
+		    && strcmp (result + strlen (expected) - 1,
+			       expected + strlen (expected) - 2)
+		       == 0));
 	ASSERT (retval == strlen (result));
 	free (result);
       }
@@ -1645,7 +1655,8 @@
     int retval =
       my_asprintf (&result, "%e %d", -0.03125, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
+    ASSERT (strcmp (result, "-3.125000e-02 33") == 0
+	    || strcmp (result, "-3.125000e-002 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1655,7 +1666,8 @@
     int retval =
       my_asprintf (&result, "%e %d", 0.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "0.000000e+00 33") == 0);
+    ASSERT (strcmp (result, "0.000000e+00 33") == 0
+	    || strcmp (result, "0.000000e+000 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1665,7 +1677,8 @@
     int retval =
       my_asprintf (&result, "%e %d", -0.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
+    ASSERT (strcmp (result, "-0.000000e+00 33") == 0
+	    || strcmp (result, "-0.000000e+000 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1707,7 +1720,8 @@
     int retval =
       my_asprintf (&result, "%15e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "   1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, "   1.750000e+00 33") == 0
+	    || strcmp (result, "  1.750000e+000 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1717,7 +1731,8 @@
     int retval =
       my_asprintf (&result, "%-15e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.750000e+00    33") == 0);
+    ASSERT (strcmp (result, "1.750000e+00    33") == 0
+	    || strcmp (result, "1.750000e+000   33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1727,7 +1742,8 @@
     int retval =
       my_asprintf (&result, "%+e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, "+1.750000e+00 33") == 0
+	    || strcmp (result, "+1.750000e+000 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1737,7 +1753,8 @@
     int retval =
       my_asprintf (&result, "% e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, " 1.750000e+00 33") == 0
+	    || strcmp (result, " 1.750000e+000 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1747,7 +1764,8 @@
     int retval =
       my_asprintf (&result, "%#e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.750000e+00 33") == 0);
+    ASSERT (strcmp (result, "1.750000e+00 33") == 0
+	    || strcmp (result, "1.750000e+000 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1757,7 +1775,8 @@
     int retval =
       my_asprintf (&result, "%#.e %d", 1.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "2.e+00 33") == 0);
+    ASSERT (strcmp (result, "2.e+00 33") == 0
+	    || strcmp (result, "2.e+000 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1767,7 +1786,8 @@
     int retval =
       my_asprintf (&result, "%#.e %d", 9.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.e+01 33") == 0);
+    ASSERT (strcmp (result, "1.e+01 33") == 0
+	    || strcmp (result, "1.e+001 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1777,7 +1797,8 @@
     int retval =
       my_asprintf (&result, "%015e %d", 1234.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
+    ASSERT (strcmp (result, "0001.234000e+03 33") == 0
+	    || strcmp (result, "001.234000e+003 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1808,7 +1829,8 @@
     int retval =
       my_asprintf (&result, "%.e %d", 1234.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1e+03 33") == 0);
+    ASSERT (strcmp (result, "1e+03 33") == 0
+	    || strcmp (result, "1e+003 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -1918,7 +1940,7 @@
 	int retval =
 	  my_asprintf (&result, "%Le", data[k].value);
 	ASSERT (result != NULL);
-	ASSERT (strmatch (data[k].string, result));
+	ASSERT (strcmp (result, data[k].string) == 0);
 	ASSERT (retval == strlen (result));
 	free (result);
       }
@@ -2116,7 +2138,8 @@
     int retval =
       my_asprintf (&result, "%g %d", 1234567.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.23457e+06 33") == 0);
+    ASSERT (strcmp (result, "1.23457e+06 33") == 0
+	    || strcmp (result, "1.23457e+006 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -2205,8 +2228,17 @@
 	char *result;
 	int retval =
 	  my_asprintf (&result, "%g", data[k].value);
+	const char *expected = data[k].string;
 	ASSERT (result != NULL);
-	ASSERT (strmatch (data[k].string, result));
+	ASSERT (strcmp (result, expected) == 0
+		/* Some implementations produce exponents with 3 digits.  */
+		|| (expected[strlen (expected) - 4] == 'e'
+		    && strlen (result) == strlen (expected) + 1
+		    && memcmp (result, expected, strlen (expected) - 2) == 0
+		    && result[strlen (expected) - 2] == '0'
+		    && strcmp (result + strlen (expected) - 1,
+			       expected + strlen (expected) - 2)
+		       == 0));
 	ASSERT (retval == strlen (result));
 	free (result);
       }
@@ -2339,7 +2371,8 @@
     int retval =
       my_asprintf (&result, "%#.g %d", 9.75, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1.e+01 33") == 0);
+    ASSERT (strcmp (result, "1.e+01 33") == 0
+	    || strcmp (result, "1.e+001 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -2380,7 +2413,8 @@
     int retval =
       my_asprintf (&result, "%.g %d", 1234.0, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strcmp (result, "1e+03 33") == 0);
+    ASSERT (strcmp (result, "1e+03 33") == 0
+	    || strcmp (result, "1e+003 33") == 0);
     ASSERT (retval == strlen (result));
     free (result);
   }
@@ -2490,7 +2524,7 @@
 	int retval =
 	  my_asprintf (&result, "%Lg", data[k].value);
 	ASSERT (result != NULL);
-	ASSERT (strmatch (data[k].string, result));
+	ASSERT (strcmp (result, data[k].string) == 0);
 	ASSERT (retval == strlen (result));
 	free (result);
       }