X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fopt%2Fusage.c;h=4ed279197fe808ac391d39a93df1dbb9e8b14126;hb=4bfa8587c9b7c8450320232837c6481d07ce77f6;hp=26150ea8cd409e6c84d5a33067fd15932bccb4dc;hpb=c7a7fc0a1771394534cafaa7c30aa215631efc82;p=ccan

diff --git a/ccan/opt/usage.c b/ccan/opt/usage.c
index 26150ea8..4ed27919 100644
--- a/ccan/opt/usage.c
+++ b/ccan/opt/usage.c
@@ -4,7 +4,9 @@
 #include <sys/ioctl.h>
 #include <sys/termios.h> /* Required on Solaris for struct winsize */
 #endif
+#if HAVE_SYS_UNISTD_H
 #include <sys/unistd.h> /* Required on Solaris for ioctl */
+#endif
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -70,7 +72,8 @@ static size_t consume_words(const char *words, size_t maxlen, size_t *prefix,
 		}
 	}
 
-	*start = (words[oldlen - 1] == '\n');
+	if (oldlen != 0)
+		*start = (words[oldlen - 1] == '\n');
 	return oldlen;
 }
 
@@ -108,7 +111,7 @@ static char *add_desc(char *base, size_t *len, size_t *max,
 
 	base = add_str(base, len, max, opt->names);
 	off = strlen(opt->names);
-	if (opt->type == OPT_HASARG
+	if ((opt->type & OPT_HASARG)
 	    && !strchr(opt->names, ' ')
 	    && !strchr(opt->names, '=')) {
 		base = add_str(base, len, max, " <arg>");
@@ -179,10 +182,10 @@ char *opt_usage(const char *argv0, const char *extra)
 		size_t l;
 		if (opt_table[i].desc == opt_hidden)
 			continue;
-		if (opt_table[i].type == OPT_SUBTABLE)
+		if (opt_table[i].type & OPT_SUBTABLE)
 			continue;
 		l = strlen(opt_table[i].names);
-		if (opt_table[i].type == OPT_HASARG
+		if ((opt_table[i].type & OPT_HASARG)
 		    && !strchr(opt_table[i].names, ' ')
 		    && !strchr(opt_table[i].names, '='))
 			l += strlen(" <arg>");
@@ -218,7 +221,7 @@ char *opt_usage(const char *argv0, const char *extra)
 	for (i = 0; i < opt_count; i++) {
 		if (opt_table[i].desc == opt_hidden)
 			continue;
-		if (opt_table[i].type == OPT_SUBTABLE) {
+		if (opt_table[i].type & OPT_SUBTABLE) {
 			ret = add_str(ret, &len, &max, opt_table[i].desc);
 			ret = add_str(ret, &len, &max, ":\n");
 			continue;