add braces to avoid "ambiguous" else

1 files changed, 37 insertions, 36 deletions

diff --git a/getopt.c b/getopt.c
index 423b84a..3c54f53 100644
--- a/getopt.c
+++ b/getopt.c
@@ -9,42 +9,43 @@ char    *rc_optarg;
  
 extern int rc_getopt(int argc, char **argv, char *opts) {
         static int sp = 1;
-        int c;
-        char *cp;
+	int c;
+	char *cp;
 	if (rc_optind == 0) /* reset rc_getopt() */
 		rc_optind = sp = 1;
-        if (sp == 1)
-                if (rc_optind >= argc || argv[rc_optind][0] != '-' || argv[rc_optind][1] == '\0') {
-                        return -1;
-                } else if (strcmp(argv[rc_optind], "--") == 0) {
-                        rc_optind++;
-                        return -1;
-                }
-        rc_optopt = c = argv[rc_optind][sp];
-        if (c == ':' || (cp=strchr(opts, c)) == 0) {
-                fprint(2, "%s: bad option: -%c\n", argv[0], c);
-                if (argv[rc_optind][++sp] == '\0') {
-                        rc_optind++;
-                        sp = 1;
-                }
-                return '?';
-        }
-        if (*++cp == ':') {
-                if (argv[rc_optind][sp+1] != '\0') {
-                        rc_optarg = &argv[rc_optind++][sp+1];
-                } else if (++rc_optind >= argc) {
-                        fprint(2, "%s: option requires an argument -- %c\n", argv[0], c);
-                        sp = 1;
-                        return '?';
-                } else
-                        rc_optarg = argv[rc_optind++];
-                sp = 1;
-        } else {
-                if (argv[rc_optind][++sp] == '\0') {
-                        sp = 1;
-                        rc_optind++;
-                }
-                rc_optarg = NULL;
-        }
-        return c;
+	if (sp == 1) {
+		if (rc_optind >= argc || argv[rc_optind][0] != '-' || argv[rc_optind][1] == '\0') {
+			return -1;
+		} else if (strcmp(argv[rc_optind], "--") == 0) {
+			rc_optind++;
+			return -1;
+		}
+	}
+	rc_optopt = c = argv[rc_optind][sp];
+	if (c == ':' || (cp=strchr(opts, c)) == 0) {
+		fprint(2, "%s: bad option: -%c\n", argv[0], c);
+		if (argv[rc_optind][++sp] == '\0') {
+			rc_optind++;
+			sp = 1;
+		}
+		return '?';
+	}
+	if (*++cp == ':') {
+		if (argv[rc_optind][sp+1] != '\0') {
+			rc_optarg = &argv[rc_optind++][sp+1];
+		} else if (++rc_optind >= argc) {
+			fprint(2, "%s: option requires an argument -- %c\n", argv[0], c);
+			sp = 1;
+			return '?';
+		} else
+			rc_optarg = argv[rc_optind++];
+		sp = 1;
+	} else {
+		if (argv[rc_optind][++sp] == '\0') {
+			sp = 1;
+			rc_optind++;
+		}
+		rc_optarg = NULL;
+	}
+	return c;
 }