Use virBufferTrimLen when applicable

Replace all the cases that only supply the length
and do not care about matching a suffix, as well
as that one test case that does.
Signed-off-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NPeter Krempa <pkrempa@redhat.com>

src/lxc/lxc_container.c

@@ -215,7 +215,7 @@ static virCommandPtr lxcContainerBuildInitCmd(virDomainDefPtr vmDef,
         virBufferAdd(&buf, ttyPaths[i] + 5, -1);
         virBufferAddChar(&buf, ' ');
     }
-    virBufferTrim(&buf, NULL, 1);
+    virBufferTrimLen(&buf, 1);
 
     virUUIDFormat(vmDef->uuid, uuidstr);
 

tests/virbuftest.c

@@ -108,9 +108,9 @@ static int testBufTrim(const void *data G_GNUC_UNUSED)
     virBufferAddLit(buf, "a;");
     virBufferTrim(buf, "", 0);
     virBufferTrim(buf, "", -1);
-    virBufferTrim(buf, NULL, 1);
-    virBufferTrim(buf, NULL, 5);
-    virBufferTrim(buf, "a", 2);
+    virBufferTrimLen(buf, 1);
+    virBufferTrimLen(buf, 5);
+    virBufferTrimLen(buf, 2);
 
     virBufferAddLit(buf, ",b,,");
     virBufferTrim(buf, NULL, -1);

tools/vsh.c

@@ -2525,7 +2525,7 @@ vshTreePrintInternal(vshControl *ctl,
         vshPrint(ctl, "%s\n", virBufferCurrentContent(indent));
 
     if (!root)
-        virBufferTrim(indent, NULL, 2);
+        virBufferTrimLen(indent, 2);
 
     return 0;
 }