Changeset 537d9b9 for lib/misc.c

Timestamp:

2016-11-20T08:40:36Z (7 years ago)

Author:

dequis <dx@…>

Children:

3f44e43

Parents:

ba52ac5 (diff), 9f03c47 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge master up to commit '9f03c47' into parson

File:

• lib/misc.c (modified) (3 diffs)

lib/misc.c

@@ -549 +549 @@
 }
 
-/* Word wrapping. Yes, I know this isn't UTF-8 clean. I'm willing to take the risk. */
 char *word_wrap(const char *msg, int line_len)
 {
@@ -582 +581 @@
                 }
                 if (i == 0) {
-                        g_string_append_len(ret, msg, line_len);
+                        const char *end;
+                        size_t len;
+
+                        g_utf8_validate(msg, line_len, &end);
+
+                        len = (end != msg) ? end - msg : line_len;
+
+                        g_string_append_len(ret, msg, len);
                         g_string_append_c(ret, '\n');
-                        msg += line_len;
+                        msg += len;
                 }
         }
@@ -787 +793 @@
         return string;
 }
+
+/* Returns a string that is exactly 'char_len' utf8 characters long (not bytes),
+ * padded to the right with spaces or truncated with the 'ellipsis' parameter
+ * if specified (can be NULL).
+ * Returns a newly allocated string, or NULL on invalid parameters. */
+char *str_pad_and_truncate(const char *string, long char_len, const char *ellipsis)
+{
+        size_t string_len = strlen(string);
+        size_t ellipsis_len = (ellipsis) ? strlen(ellipsis) : 0;
+        long orig_len = g_utf8_strlen(string, -1);
+
+        g_return_val_if_fail(char_len > ellipsis_len, NULL);
+
+        if (orig_len > char_len) {
+                char *ret = g_malloc(string_len + 1);
+                g_utf8_strncpy(ret, string, char_len - ellipsis_len);
+                if (ellipsis) {
+                        g_strlcat(ret, ellipsis, string_len);
+                }
+                return ret;
+        } else if (orig_len < char_len) {
+                return g_strdup_printf("%s%*s", string, (int) (char_len - orig_len), "");
+        } else {
+                return g_strdup(string);
+        }
+}