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authordana <dana@dana.is>2019-04-18 20:35:55 +0200
committerMikael Magnusson <mikachu@gmail.com>2019-04-18 20:54:19 +0200
commit64d13738357c9b9c212adbe17f271716abbcf6ea (patch)
treea356769206c3c3725d46fac212e8faef074b3913 /Src
parent11ff9b3db96fad0fe51fd7b1a49a6c733c7d9d07 (diff)
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43288: fix line-broken prompts
Without re-breaking the case where a newline character lands in column 0.
Diffstat (limited to 'Src')
-rw-r--r--Src/prompt.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/Src/prompt.c b/Src/prompt.c
index f2b3f161e..e8d50d161 100644
--- a/Src/prompt.c
+++ b/Src/prompt.c
@@ -1075,10 +1075,10 @@ putstr(int d)
 mod_export void
 countprompt(char *str, int *wp, int *hp, int overf)
 {
-    int w = 0, h = 1;
+    int w = 0, h = 1, multi = 0;
     int s = 1;
 #ifdef MULTIBYTE_SUPPORT
-    int wcw, multi = 0;
+    int wcw;
     char inchar;
     mbstate_t mbs;
     wchar_t wc;
@@ -1087,7 +1087,12 @@ countprompt(char *str, int *wp, int *hp, int overf)
 #endif
 
     for (; *str; str++) {
-	if (w > zterm_columns && overf >= 0) {
+	/*
+	 * Avoid double-incrementing the height when there's a newline in the
+	 * prompt and the line it terminates takes up exactly the width of the
+	 * terminal
+	 */
+	if (w >= zterm_columns && overf >= 0 && !multi && *str != '\n') {
 	    w = 0;
 	    h++;
 	}