fputc(terminator, fp);
}
-/* quote path as relative to the given prefix */
-char *quote_path_relative(const char *in, int len,
- struct strbuf *out, const char *prefix)
+static const char *path_relative(const char *in, int len,
+ struct strbuf *sb, const char *prefix,
+ int prefix_len);
+
+void write_name_quoted_relative(const char *name, size_t len,
+ const char *prefix, size_t prefix_len,
+ FILE *fp, int terminator)
+{
+ struct strbuf sb = STRBUF_INIT;
+
+ name = path_relative(name, len, &sb, prefix, prefix_len);
+ write_name_quoted(name, fp, terminator);
+
+ strbuf_release(&sb);
+}
+
+/*
+ * Give path as relative to prefix.
+ *
+ * The strbuf may or may not be used, so do not assume it contains the
+ * returned path.
+ */
+static const char *path_relative(const char *in, int len,
+ struct strbuf *sb, const char *prefix,
+ int prefix_len)
{
- int needquote;
+ int off, i;
if (len < 0)
len = strlen(in);
+ if (prefix_len < 0) {
+ if (prefix)
+ prefix_len = strlen(prefix);
+ else
+ prefix_len = 0;
+ }
+
+ off = 0;
+ i = 0;
+ while (i < prefix_len && i < len && prefix[i] == in[i]) {
+ if (prefix[i] == '/')
+ off = i + 1;
+ i++;
+ }
+ in += off;
+ len -= off;
- /* "../" prefix itself does not need quoting, but "in" might. */
- needquote = next_quote_pos(in, len) < len;
- strbuf_setlen(out, 0);
- strbuf_grow(out, len);
-
- if (needquote)
- strbuf_addch(out, '"');
- if (prefix) {
- int off = 0;
- while (prefix[off] && off < len && prefix[off] == in[off])
- if (prefix[off] == '/') {
- prefix += off + 1;
- in += off + 1;
- len -= off + 1;
- off = 0;
- } else
- off++;
-
- for (; *prefix; prefix++)
- if (*prefix == '/')
- strbuf_addstr(out, "../");
+ if (i >= prefix_len)
+ return in;
+
+ strbuf_reset(sb);
+ strbuf_grow(sb, len);
+
+ while (i < prefix_len) {
+ if (prefix[i] == '/')
+ strbuf_addstr(sb, "../");
+ i++;
}
+ strbuf_add(sb, in, len);
- quote_c_style_counted (in, len, out, NULL, 1);
+ return sb->buf;
+}
+
+/* quote path as relative to the given prefix */
+char *quote_path_relative(const char *in, int len,
+ struct strbuf *out, const char *prefix)
+{
+ struct strbuf sb = STRBUF_INIT;
+ const char *rel = path_relative(in, len, &sb, prefix, -1);
+ strbuf_reset(out);
+ quote_c_style_counted(rel, strlen(rel), out, NULL, 0);
+ strbuf_release(&sb);
- if (needquote)
- strbuf_addch(out, '"');
if (!out->len)
strbuf_addstr(out, "./");