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* libc/stdlib/btowc.c (btowc): Reorganize EOF check. Fix incorrect

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return value if input byte is ASCII NUL.
This commit is contained in:
Corinna Vinschen 2010-04-06 14:46:31 +00:00
parent 44ac55bcb6
commit 65ee447a02
2 changed files with 11 additions and 3 deletions
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5
newlib/ChangeLog
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@ -1,3 +1,8 @@
2010-04-06 Corinna Vinschen <corinna@vinschen.de>
* libc/stdlib/btowc.c (btowc): Reorganize EOF check. Fix incorrect
return value if input byte is ASCII NUL.
2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com> 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
* libc/include/sched.h: Include prototypes for * libc/include/sched.h: Include prototypes for

9
newlib/libc/stdlib/btowc.c
View File

@ -13,6 +13,9 @@ btowc (int c)
wchar_t pwc; wchar_t pwc;
unsigned char b; unsigned char b;
if (c == EOF)
return WEOF;
b = (unsigned char)c; b = (unsigned char)c;
/* Put mbs in initial state. */ /* Put mbs in initial state. */
@ -22,8 +25,8 @@ btowc (int c)
retval = __mbtowc (_REENT, &pwc, &b, 1, __locale_charset (), &mbs); retval = __mbtowc (_REENT, &pwc, &b, 1, __locale_charset (), &mbs);
if (c == EOF || retval != 1) if (retval != 0 && retval != 1)
return WEOF; return WEOF;
else
return (wint_t)pwc; return (wint_t)pwc;
} }