tests: Drop dirname argument from testQemuCapsIterate()

As evidenced by all existing callers, the only directory it makes
sense to use is TEST_QEMU_CAPS_PATH, so let's just bake that into
the function.
Signed-off-by: NAndrea Bolognani <abologna@redhat.com>
Reviewed-by: NCole Robinson <crobinso@redhat.com>

tests/qemucapabilitiestest.c

@@ -221,7 +221,7 @@ mymain(void)
     if (testQemuDataInit(&data) < 0)
         return EXIT_FAILURE;
 
-    if (testQemuCapsIterate(data.dataDir, ".replies", doCapsTest, &data) < 0)
+    if (testQemuCapsIterate(".replies", doCapsTest, &data) < 0)
         return EXIT_FAILURE;
 
     /*

tests/qemucaps2xmltest.c

@@ -212,7 +212,7 @@ mymain(void)
     if (testQemuDataInit(&data) < 0)
         return EXIT_FAILURE;
 
-    if (testQemuCapsIterate(data.inputDir, ".xml", doCapsTest, &data) < 0)
+    if (testQemuCapsIterate(".xml", doCapsTest, &data) < 0)
         return EXIT_FAILURE;
 
     return (data.ret == 0) ? EXIT_SUCCESS : EXIT_FAILURE;

tests/testutilsqemu.c

@@ -903,8 +903,7 @@ testQemuGetLatestCaps(void)
 
 
 int
-testQemuCapsIterate(const char *dirname,
-                    const char *suffix,
+testQemuCapsIterate(const char *suffix,
                     testQemuCapsIterateCallback callback,
                     void *opaque)
 {
@@ -916,10 +915,10 @@ testQemuCapsIterate(const char *dirname,
     if (!callback)
         return 0;
 
-    if (virDirOpen(&dir, dirname) < 0)
+    if (virDirOpen(&dir, TEST_QEMU_CAPS_PATH) < 0)
         goto cleanup;
 
-    while ((rc = virDirRead(dir, &ent, dirname) > 0)) {
+    while ((rc = virDirRead(dir, &ent, TEST_QEMU_CAPS_PATH) > 0)) {
         char *tmp = ent->d_name;
         char *base = NULL;
         char *archName = NULL;

tests/testutilsqemu.h

@@ -99,8 +99,7 @@ virHashTablePtr testQemuGetLatestCaps(void);
 typedef int (*testQemuCapsIterateCallback)(const char *base,
                                            const char *archName,
                                            void *opaque);
-int testQemuCapsIterate(const char *dirname,
-                        const char *suffix,
+int testQemuCapsIterate(const char *suffix,
                         testQemuCapsIterateCallback callback,
                         void *opaque);