/* Utility functions for assembling C strings in a buffer.
*/
-struct stringbuf {
+struct stringbuf
+{
char *buf, *ptr;
size_t buf_len;
};
-static void
-stringbuf_free (void *data)
-{
- struct stringbuf *buf = (struct stringbuf *)data;
- free (buf->buf);
-}
-
static void
stringbuf_grow (struct stringbuf *buf)
{
- size_t ptroff = buf->ptr - buf->buf;
- buf->buf_len *= 2;
- buf->buf = scm_realloc (buf->buf, buf->buf_len);
+ size_t ptroff, prev_len;
+ void *prev_buf = buf->buf;
+
+ prev_len = buf->buf_len;
+ ptroff = buf->ptr - buf->buf;
+
+ buf->buf_len *= 2;
+ buf->buf = scm_gc_malloc_pointerless (buf->buf_len, "search-path");
+ memcpy (buf->buf, prev_buf, prev_len);
buf->ptr = buf->buf + ptroff;
}
char *filename_chars;
size_t filename_len;
SCM result = SCM_BOOL_F;
+ char initial_buffer[256];
if (scm_ilength (path) < 0)
scm_misc_error ("%search-path", "path is not a proper list: ~a",
if (scm_is_null (extensions))
extensions = scm_listofnullstr;
- buf.buf_len = 512;
- buf.buf = scm_malloc (buf.buf_len);
- scm_dynwind_unwind_handler (stringbuf_free, &buf, SCM_F_WIND_EXPLICITLY);
+ buf.buf_len = sizeof initial_buffer;
+ buf.buf = initial_buffer;
/* Try every path element.
*/