Added count_width_widestring function. it returns the number of wide chars needed to fill p column positions

2 files changed, 14 insertions, 0 deletions

diff --git a/src/utils/string.c b/src/utils/string.c
index 16eefff..da04d3a 100755
--- a/src/utils/string.c
+++ b/src/utils/string.c
@@ -335,3 +335,16 @@ int sc_isprint(int d) {
         return 1;
     return 0;
 }
+
+//return the number of wide chars of
+//wchar_t * s string, needed to fill p column positions.
+int count_width_widestring(const wchar_t * s, int p) {
+    int n;
+    int c_width = 0;
+
+    for (n=0; n<wcslen(s); n++) {
+        c_width += wcwidth( s[n] );
+        if (c_width > p) break;
+    }
+    return n;
+}
diff --git a/src/utils/string.h b/src/utils/string.h
index 10815ad..be54d9d 100755
--- a/src/utils/string.h
+++ b/src/utils/string.h
@@ -26,3 +26,4 @@ int count_word_occurrences(char * s, char * word, int overlap);
 char * str_replace ( const char * string, const char * substr, const char * replacement);
 void uppercase(char * sPtr);
 int sc_isprint(int d);
+int count_width_widestring(const wchar_t * s, int p);