X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=utf8.c;h=4efef6faf7c71f3201935f81611806af084c45d4;hb=e4cd6c7a20bfc776086817671d58e09060a8079a;hp=f381a7f137319f636955f2e4b21b8926a442c35e;hpb=eec102524fda2df7d2846e865805ca213119bf10;p=git.git

diff --git a/utf8.c b/utf8.c
index f381a7f13..4efef6faf 100644
--- a/utf8.c
+++ b/utf8.c
@@ -62,7 +62,7 @@ static int bisearch(ucs_char_t ucs, const struct interval *table, int max) {
  * in ISO 10646.
  */
 
-static int wcwidth(ucs_char_t ch)
+static int git_wcwidth(ucs_char_t ch)
 {
 	/*
 	 * Sorted list of non-overlapping intervals of non-spacing characters,
@@ -207,7 +207,7 @@ invalid:
 		return 0;
 	}
 
-	return wcwidth(ch);
+	return git_wcwidth(ch);
 }
 
 int is_utf8(const char *text)
@@ -237,12 +237,19 @@ static void print_spaces(int count)
 /*
  * Wrap the text, if necessary. The variable indent is the indent for the
  * first line, indent2 is the indent for all other lines.
+ * If indent is negative, assume that already -indent columns have been
+ * consumed (and no extra indent is necessary for the first line).
  */
-void print_wrapped_text(const char *text, int indent, int indent2, int width)
+int print_wrapped_text(const char *text, int indent, int indent2, int width)
 {
 	int w = indent, assume_utf8 = is_utf8(text);
 	const char *bol = text, *space = NULL;
 
+	if (indent < 0) {
+		w = -indent;
+		space = text;
+	}
+
 	for (;;) {
 		char c = *text;
 		if (!c || isspace(c)) {
@@ -253,10 +260,9 @@ void print_wrapped_text(const char *text, int indent, int indent2, int width)
 				else
 					print_spaces(indent);
 				fwrite(start, text - start, 1, stdout);
-				if (!c) {
-					putchar('\n');
-					return;
-				} else if (c == '\t')
+				if (!c)
+					return w;
+				else if (c == '\t')
 					w |= 0x07;
 				space = text;
 				w++;
@@ -264,7 +270,7 @@ void print_wrapped_text(const char *text, int indent, int indent2, int width)
 			}
 			else {
 				putchar('\n');
-				text = bol = space + 1;
+				text = bol = space + isspace(*space);
 				space = NULL;
 				w = indent = indent2;
 			}
@@ -277,6 +283,7 @@ void print_wrapped_text(const char *text, int indent, int indent2, int width)
 			text++;
 		}
 	}
+	return w;
 }
 
 int is_encoding_utf8(const char *name)