Add git_buf_unescape and git__unescape to unescape all characters in a string (in-place)

1 files changed, 18 insertions, 0 deletions

diff --git a/src/util.c b/src/util.c
index 3093cd767..90bb3d02a 100644
--- a/src/util.c
+++ b/src/util.c
@@ -435,3 +435,21 @@ int git__parse_bool(int *out, const char *value)
 
 	return -1;
 }
+
+size_t git__unescape(char *str)
+{
+	char *scan, *pos = str;
+
+	for (scan = str; *scan; pos++, scan++) {
+		if (*scan == '\\' && *(scan + 1) != '\0')
+			scan++; /* skip '\' but include next char */
+		if (pos != scan)
+			*pos = *scan;
+	}
+
+	if (pos != scan) {
+		*pos = '\0';
+	}
+
+	return (pos - str);
+}