ncurses 6.1 - patch 20190720

[ncurses.git] / progs / dump_entry.c

diff --git a/progs/dump_entry.c b/progs/dump_entry.c
index 66b250b9d31dc6c0e1a9be980046b26802725d79..d0e420ecfb453c6410d2d1f67ebbd33a9a36f5a4 100644 (file)
--- a/progs/dump_entry.c
+++ b/progs/dump_entry.c
@@ -39,7 +39,7 @@
 #include "termsort.c"          /* this C file is generated */
 #include <parametrized.h>      /* so is this */
 
-MODULE_ID("$Id: dump_entry.c,v 1.172 2019/04/20 18:54:48 tom Exp $")
+MODULE_ID("$Id: dump_entry.c,v 1.173 2019/05/11 21:02:24 tom Exp $")
 
 #define DISCARD(string) string = ABSENT_STRING
 #define PRINTF (void) printf
@@ -718,6 +718,33 @@ indent_DYN(DYNBUF * buffer, int level)
        strncpy_DYN(buffer, "\t", (size_t) 1);
 }
 
+/*
+ * Check if the current line which was begun consists only of a tab and the
+ * given leading text.
+ */
+static bool
+leading_DYN(DYNBUF * buffer, const char *leading)
+{
+    bool result = FALSE;
+    size_t need = strlen(leading);
+    if (buffer->used > need) {
+       need = buffer->used - need;
+       if (!strcmp(buffer->text + need, leading)) {
+           result = TRUE;
+           while (--need != 0) {
+               if (buffer->text[need] == '\n') {
+                   break;
+               }
+               if (buffer->text[need] != '\t') {
+                   result = FALSE;
+                   break;
+               }
+           }
+       }
+    }
+    return result;
+}
+
 bool
 has_params(const char *src)
 {
@@ -821,7 +848,7 @@ fmt_complex(TERMTYPE2 *tterm, const char *capability, char *src, int level)
            }
            break;
        case 'p':
-           if (percent && params) {
+           if (percent && params && !leading_DYN(&tmpbuf, "%")) {
                tmpbuf.text[tmpbuf.used - 1] = '\n';
                indent_DYN(&tmpbuf, level + 1);
                strncpy_DYN(&tmpbuf, "%", (size_t) 1);