diff --git a/src/fe-common/core/completion.c b/src/fe-common/core/completion.c index e78fe7d5..fd452e5c 100644 --- a/src/fe-common/core/completion.c +++ b/src/fe-common/core/completion.c @@ -187,12 +187,18 @@ char *word_complete(WINDOW_REC *window, const char *line, int *pos, int erase, i char *old; old = linestart; - linestart = *linestart == '\0' ? - g_strdup(word) : - g_strdup_printf("%s%c%s", - /* do not accidentally duplicate the word separator */ - line == wordstart - 1 ? "" : linestart, - old_wordstart[-1], word); + /* we want to move word into linestart */ + if (*linestart == '\0') { + linestart = g_strdup(word); + } else { + GString *str = g_string_new(linestart); + if (old_wordstart[-1] != str->str[str->len - 1]) { + /* do not accidentally duplicate the word separator */ + g_string_append_c(str, old_wordstart[-1]); + } + g_string_append(str, word); + linestart = g_string_free(str, FALSE); + } g_free(old); g_free(word);