From c5c1b87571674a74db3697ec24c17fae09dedd7d Mon Sep 17 00:00:00 2001
From: Patrick McDermott <pj@pehjota.net>
Date: Sat, 04 Nov 2017 12:57:21 -0400
Subject: mq_html_form(): Allow buttons to be individually disabled

---
diff --git a/src/utils/html.c b/src/utils/html.c
index c1075e8..7c105d0 100644
--- a/src/utils/html.c
+++ b/src/utils/html.c
@@ -581,12 +581,16 @@ mq_html_form(const gchar *submit_label, const gchar *reset_label, ...)
 	}
 	va_end(ap);
 	len += strlen("<div class=\"dialog-buttonbox\">\n");
-	len += strlen("<input type=\"reset\" value=\"");
-	len += strlen(reset_label);
-	len += strlen("\">\n");
-	len += strlen("<input type=\"submit\" value=\"");
-	len += strlen(submit_label);
-	len += strlen("\">\n");
+	if (reset_label && reset_label[0]) {
+		len += strlen("<input type=\"reset\" value=\"");
+		len += strlen(reset_label);
+		len += strlen("\">\n");
+	}
+	if (submit_label && submit_label[0]) {
+		len += strlen("<input type=\"submit\" value=\"");
+		len += strlen(submit_label);
+		len += strlen("\">\n");
+	}
 	len += strlen("</div>\n");
 	len += strlen("</form>\n");
 	++len;  /* NUL byte */
@@ -601,12 +605,16 @@ mq_html_form(const gchar *submit_label, const gchar *reset_label, ...)
 	}
 	va_end(ap);
 	ptr = g_stpcpy(ptr, "<div class=\"dialog-buttonbox\">\n");
-	ptr = g_stpcpy(ptr, "<input type=\"reset\" value=\"");
-	ptr = g_stpcpy(ptr, reset_label);
-	ptr = g_stpcpy(ptr, "\">\n");
-	ptr = g_stpcpy(ptr, "<input type=\"submit\" value=\"");
-	ptr = g_stpcpy(ptr, submit_label);
-	ptr = g_stpcpy(ptr, "\">\n");
+	if (reset_label && reset_label[0]) {
+		ptr = g_stpcpy(ptr, "<input type=\"reset\" value=\"");
+		ptr = g_stpcpy(ptr, reset_label);
+		ptr = g_stpcpy(ptr, "\">\n");
+	}
+	if (submit_label && submit_label[0]) {
+		ptr = g_stpcpy(ptr, "<input type=\"submit\" value=\"");
+		ptr = g_stpcpy(ptr, submit_label);
+		ptr = g_stpcpy(ptr, "\">\n");
+	}
 	ptr = g_stpcpy(ptr, "</div>\n");
 	ptr = g_stpcpy(ptr, "</form>\n");  /* g_stpcpy() adds the NUL. */
 
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