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-rw-r--r--lib/libc/stdio/ungetc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/libc/stdio/ungetc.c b/lib/libc/stdio/ungetc.c
index f70fb42..092debd 100644
--- a/lib/libc/stdio/ungetc.c
+++ b/lib/libc/stdio/ungetc.c
@@ -132,6 +132,10 @@ __ungetc(int c, FILE *fp)
}
fp->_flags |= __SRD;
}
+
+ if (!(fp->_flags & __SSTR) && _ftello(fp) == 0)
+ return (EOF);
+
c = (unsigned char)c;
/*
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