12814: zasprintf

1 files changed, 74 insertions, 0 deletions

diff --git a/Src/compat.c b/Src/compat.c
index 8cfb8a3a5..0c7009b5f 100644
--- a/Src/compat.c
+++ b/Src/compat.c
@@ -407,6 +407,80 @@ zchdir(char *dir)
 #endif
 }
 
+#ifndef HAVE_ASPRINTF
+/**/
+# ifndef USE_VARARGS
+/**/
+mod_export int
+zasprintf(char **strp, const char *format, int arg1, int arg2)
+{
+    char *buf;
+    
+    buf = (char *)zalloc(PATH_MAX);
+
+    snprintf(buf, PATH_MAX, format, arg1, arg2);
+    *strp = buf;
+    return strlen(buf);
+}
+
+/**/
+# else
+
+/**/
+#  ifdef PREFER_STDARG
+
+/**/
+mod_export int
+zasprintf(char **strp, const char *format, ...)
+{
+
+/**/
+#  else
+
+/**/
+#   if __GNUC__ > 1
+/* Doing this the "right way" will effect a broken compat.epro file.      *
+ * This kludge should work with gcc2 until a better solution is available */
+
+/**/
+mod_export int
+zasprintf(char **strp, const char *format, __builtin_va_alist_t __builtin_va_alist, __va_ellipsis)
+{
+	
+/**/
+#    else
+#    error varargs prototyping kludge failed
+/**/
+#    endif
+
+/**/
+#  endif
+    va_list arg;
+
+    char *buf;
+    
+    buf = (char *)zalloc(PATH_MAX);
+
+# ifdef PREFER_STDARG
+    va_start(arg, format);
+# else
+    va_start(arg);
+# endif
+
+#ifdef HAVE_VSNPRINTF
+    vsnprintf(buf, PATH_MAX, format, arg);
+#else
+#error You have varargs but no vsnprintf
+#endif
+    va_end (arg);
+    
+    *strp = buf;
+    return strlen(buf);
+}
+/**/
+# endif
+#endif
+
 /*
  * How to print out a 64 bit integer.  This isn't needed (1) if longs
  * are 64 bit, since ordinary %ld will work (2) if we couldn't find a