lynx/lynx-2.8.6-fmt_string.patch

98 lines
2.3 KiB
Diff

--- lynx2-8-6/WWW/Library/Implementation/HTString.c_old 2007/05/16 21:44:23 1.49
+++ lynx2-8-6/WWW/Library/Implementation/HTString.c 2008/01/09 00:06:06
@@ -619,6 +619,46 @@
const char *fmt,
va_list * ap)
{
+#ifdef HAVE_VASPRINTF
+ /*
+ * Use vasprintf() if we have it, since it is simplest.
+ */
+ char *result = 0;
+ char *temp = 0;
+
+ /* discard old destination if no length was given */
+ if (pstr && !dst_len) {
+ if (*pstr)
+ FREE(*pstr);
+ }
+
+ if (vasprintf(&temp, fmt, *ap) >= 0) {
+ if (dst_len != 0) {
+ int src_len = strlen(temp);
+ int new_len = dst_len + src_len + 1;
+
+ result = HTAlloc(pstr ? *pstr : 0, new_len);
+ if (result != 0) {
+ strcpy(result + dst_len, temp);
+ mark_malloced(temp, new_len);
+ }
+ free(temp);
+ } else {
+ result = temp;
+ mark_malloced(temp, strlen(temp));
+ }
+ }
+
+ if (pstr != 0)
+ *pstr = result;
+
+ return result;
+#else /* !HAVE_VASPRINTF */
+ /*
+ * If vasprintf() is not available, this works - but does not implement
+ * the POSIX '$' formatting character which may be used in some of the
+ * ".po" files.
+ */
#ifdef SAVE_TIME_NOT_SPACE
static size_t tmp_len = 0;
static size_t fmt_len = 0;
@@ -634,20 +674,9 @@
char *dst_ptr = *pstr;
const char *format = fmt;
- if (fmt == 0 || *fmt == '\0')
+ if (isEmpty(fmt))
return 0;
-#ifdef USE_VASPRINTF
- if (pstr && !dst_len) {
- if (*pstr)
- FREE(*pstr);
- if (vasprintf(pstr, fmt, *ap) >= 0) {
- mark_malloced(*pstr, strlen(*pstr) + 1);
- return (*pstr);
- }
- }
-#endif /* USE_VASPRINTF */
-
need = strlen(fmt) + 1;
#ifdef SAVE_TIME_NOT_SPACE
if (!fmt_ptr || fmt_len < need * NUM_WIDTH) {
@@ -848,6 +877,7 @@
if (pstr)
*pstr = dst_ptr;
return (dst_ptr);
+#endif /* HAVE_VASPRINTF */
}
#undef SAVE_TIME_NOT_SPACE
@@ -895,16 +925,7 @@
LYva_start(ap, fmt);
{
-#ifdef USE_VASPRINTF
- if (pstr) {
- if (*pstr)
- FREE(*pstr);
- if (vasprintf(pstr, fmt, ap) >= 0) /* else call outofmem?? */
- mark_malloced(*pstr, strlen(*pstr) + 1);
- result = *pstr;
- } else
-#endif /* USE_VASPRINTF */
- result = StrAllocVsprintf(pstr, 0, fmt, &ap);
+ result = StrAllocVsprintf(pstr, 0, fmt, &ap);
}
va_end(ap);