cgit.c: Use "else" for mutually exclusive branches

When parsing command line arguments, no pair of command line options can
ever match simultaneously. Use "else if" blocks to reflect this. This
change improves both readability and speed.

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>

diff --git a/cgit.c b/cgit.c
index e31962d43bc919c14e08f4ddbd4ff5e8cfc7a4b4..f4262d806163bcb2a192f70d4ddf0fd4966f3fbd 100644 (file)
--- a/cgit.c
+++ b/cgit.c
@@ -865,35 +865,26 @@ static void cgit_parse_args(int argc, const char **argv)
        for (i = 1; i < argc; i++) {
                if (!prefixcmp(argv[i], "--cache=")) {
                        ctx.cfg.cache_root = xstrdup(argv[i] + 8);
-               }
-               if (!strcmp(argv[i], "--nocache")) {
+               } else if (!strcmp(argv[i], "--nocache")) {
                        ctx.cfg.nocache = 1;
-               }
-               if (!strcmp(argv[i], "--nohttp")) {
+               } else if (!strcmp(argv[i], "--nohttp")) {
                        ctx.env.no_http = "1";
-               }
-               if (!prefixcmp(argv[i], "--query=")) {
+               } else if (!prefixcmp(argv[i], "--query=")) {
                        ctx.qry.raw = xstrdup(argv[i] + 8);
-               }
-               if (!prefixcmp(argv[i], "--repo=")) {
+               } else if (!prefixcmp(argv[i], "--repo=")) {
                        ctx.qry.repo = xstrdup(argv[i] + 7);
-               }
-               if (!prefixcmp(argv[i], "--page=")) {
+               } else if (!prefixcmp(argv[i], "--page=")) {
                        ctx.qry.page = xstrdup(argv[i] + 7);
-               }
-               if (!prefixcmp(argv[i], "--head=")) {
+               } else if (!prefixcmp(argv[i], "--head=")) {
                        ctx.qry.head = xstrdup(argv[i] + 7);
                        ctx.qry.has_symref = 1;
-               }
-               if (!prefixcmp(argv[i], "--sha1=")) {
+               } else if (!prefixcmp(argv[i], "--sha1=")) {
                        ctx.qry.sha1 = xstrdup(argv[i] + 7);
                        ctx.qry.has_sha1 = 1;
-               }
-               if (!prefixcmp(argv[i], "--ofs=")) {
+               } else if (!prefixcmp(argv[i], "--ofs=")) {
                        ctx.qry.ofs = atoi(argv[i] + 6);
-               }
-               if (!prefixcmp(argv[i], "--scan-tree=") ||
-                   !prefixcmp(argv[i], "--scan-path=")) {
+               } else if (!prefixcmp(argv[i], "--scan-tree=") ||
+                          !prefixcmp(argv[i], "--scan-path=")) {
                        /* HACK: the global snapshot bitmask defines the
                         * set of allowed snapshot formats, but the config
                         * file hasn't been parsed yet so the mask is