gvParseArgs etc: use a clearer idiom for accessing characters of 'arg'

diff --git a/lib/common/args.c b/lib/common/args.c
index dff892498041753d586dfbe843655a8fa51fab6a..6dccd037458472b6df23cb766400f9139e1f00c9 100644 (file)
--- a/lib/common/args.c
+++ b/lib/common/args.c
@@ -39,7 +39,7 @@ static int neato_extra_args(int argc, char** argv) {
   for (i = 1; i < argc; i++) {
     arg = argv[i];
     assert(arg != NULL);
-    if (*arg == '-') {
+    if (arg[0] == '-') {
       switch (arg[1]) {
       case 'x' : Reduce = TRUE; break;
       case 'n':
@@ -128,7 +128,7 @@ config_extra_args(GVC_t *gvc, int argc, char** argv)
   for (i = 1; i < argc; i++) {
     arg = argv[i];
     assert(arg != NULL);
-    if (*arg == '-') {
+    if (arg[0] == '-') {
       switch (arg[1]) {
       case 'v':
        gvc->common.verbose = 1;
@@ -247,7 +247,7 @@ static int fdp_extra_args(int argc, char** argv) {
   for (i = 1; i < argc; i++) {
     arg = argv[i];
     assert(arg != NULL);
-    if ((*arg == '-') && (*(arg+1) == 'L')) {
+    if (arg[0] == '-' && arg[1] == 'L') {
       if (setFDPAttr (arg+2)) {
        dotneato_usage(1);
        return -1;