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-rw-r--r--newlib/libc/stdio/vasiprintf.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/newlib/libc/stdio/vasiprintf.c b/newlib/libc/stdio/vasiprintf.c
index 721d6fb29..72aa19d11 100644
--- a/newlib/libc/stdio/vasiprintf.c
+++ b/newlib/libc/stdio/vasiprintf.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1990 The Regents of the University of California.
+ * Copyright (c) 1990, 2007 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
@@ -46,8 +46,11 @@ _DEFUN(vasiprintf, (strp, fmt, ap),
f._bf._size = f._w = 0;
f._file = -1; /* No file. */
ret = _vfiprintf_r (_REENT, &f, fmt, ap);
- *f._p = 0;
- *strp = f._bf._base;
+ if (ret >= 0)
+ {
+ *f._p = 0;
+ *strp = f._bf._base;
+ }
return ret;
}
@@ -68,8 +71,10 @@ _DEFUN(_vasiprintf_r, (ptr, strp, fmt, ap),
f._bf._size = f._w = 0;
f._file = -1; /* No file. */
ret = _vfiprintf_r (ptr, &f, fmt, ap);
- *f._p = 0;
- *strp = f._bf._base;
+ if (ret >= 0)
+ {
+ *f._p = 0;
+ *strp = f._bf._base;
+ }
return ret;
}
-