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Fix another bug reported by Wipro: "...at line 89 in function xlungetc , file xlio.c

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'fptr', can take a NULL value. It is being derefed directly or through its aliases at: '(((fptr- >n_info).n_xstream).xs_savech)'"
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v.audacity
2010-09-25 22:15:46 +00:00
parent a267f86b2e
commit c159d469d6
1 changed files with 2 additions and 2 deletions
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4
lib-src/libnyquist/nyquist/xlisp/xlio.c
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@@ -72,7 +72,7 @@ void xlungetc(LVAL fptr, int ch)
/* check for ungetc from nil */ /* check for ungetc from nil */
if (fptr == NIL) if (fptr == NIL)
; ; //ANSWER-ME: Return? "else if"?
/* otherwise, check for ungetc to a stream */ /* otherwise, check for ungetc to a stream */
if (ustreamp(fptr)) { if (ustreamp(fptr)) {
@@ -85,7 +85,7 @@ void xlungetc(LVAL fptr, int ch)
} }
/* otherwise, it must be a file */ /* otherwise, it must be a file */
else else if (fptr)
setsavech(fptr,ch); setsavech(fptr,ch);
} }