i18n: New function recode_string_len().

[pspp-builds.git] / src / libpspp / i18n.c

diff --git a/src/libpspp/i18n.c b/src/libpspp/i18n.c
index 13a46a53c46cc86a19ac80228b4ebd14c035d7e5..29148a0e7a9789cf9cbee7c5d6ac764c83f8ff10 100644 (file)
--- a/src/libpspp/i18n.c
+++ b/src/libpspp/i18n.c
@@ -110,6 +110,17 @@ recode_string (const char *to, const char *from,
   return recode_string_pool (to, from, text, length, NULL);
 }
 
+/* Returns the length, in bytes, of the string that a similar recode_string()
+   call would return. */
+size_t
+recode_string_len (const char *to, const char *from,
+                   const char *text, int length)
+{
+  char *s = recode_string (to, from, text, length);
+  size_t len = strlen (s);
+  free (s);
+  return len;
+}
 
 /* Uses CONV to convert the INBYTES starting at IP into the OUTBYTES starting
    at OP, and appends a null terminator to the output.