Allow zero size with non-null buf in *asnprintf.
* libc/stdio/asnprintf.c (_asnprintf_r, asnprintf): Avoid free'ing user's buf. * libc/stdio/asniprintf.c (_asniprintf_r, asniprintf): Likewise. * libc/stdio/vasniprintf.c (_vasniprintf_r): Likewise. * libc/stdio/vasnprintf.c (_vasnprintf_r): Likewise.
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38ed4e5111
commit
81274c6726
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@ -1,3 +1,12 @@
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2007-05-09 Eric Blake <ebb9@byu.net>
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Allow zero size with non-null buf in *asnprintf.
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* libc/stdio/asnprintf.c (_asnprintf_r, asnprintf): Avoid free'ing
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user's buf.
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* libc/stdio/asniprintf.c (_asniprintf_r, asniprintf): Likewise.
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* libc/stdio/vasniprintf.c (_vasniprintf_r): Likewise.
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* libc/stdio/vasnprintf.c (_vasnprintf_r): Likewise.
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2007-05-07 Charles Wilson <cygwin@...>
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* libc/stdio/vfprintf.c: Fix typo in comments that breaks docs.
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@ -34,6 +34,7 @@ _DEFUN(_asniprintf_r, (ptr, buf, lenp, fmt),
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/* mark a zero-length reallocatable buffer */
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f._flags = __SWR | __SSTR | __SMBF;
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len = 0;
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buf = NULL;
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}
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f._bf._base = f._p = (unsigned char *) buf;
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/* For now, inherit the 32-bit signed limit of FILE._bf._size.
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@ -80,6 +81,7 @@ _DEFUN(asniprintf, (buf, lenp, fmt),
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/* mark a zero-length reallocatable buffer */
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f._flags = __SWR | __SSTR | __SMBF;
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len = 0;
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buf = NULL;
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}
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f._bf._base = f._p = (unsigned char *) buf;
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/* For now, inherit the 32-bit signed limit of FILE._bf._size.
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@ -34,6 +34,7 @@ _DEFUN(_asnprintf_r, (ptr, buf, lenp, fmt),
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/* mark a zero-length reallocatable buffer */
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f._flags = __SWR | __SSTR | __SMBF;
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len = 0;
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buf = NULL;
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}
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f._bf._base = f._p = (unsigned char *) buf;
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/* For now, inherit the 32-bit signed limit of FILE._bf._size.
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@ -80,6 +81,7 @@ _DEFUN(asnprintf, (buf, lenp, fmt),
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/* mark a zero-length reallocatable buffer */
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f._flags = __SWR | __SSTR | __SMBF;
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len = 0;
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buf = NULL;
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}
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f._bf._base = f._p = (unsigned char *) buf;
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/* For now, inherit the 32-bit signed limit of FILE._bf._size.
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@ -34,6 +34,7 @@ _DEFUN(_vasniprintf_r, (ptr, buf, lenp, fmt, ap),
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/* mark a zero-length reallocatable buffer */
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f._flags = __SWR | __SSTR | __SMBF;
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len = 0;
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buf = NULL;
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}
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f._bf._base = f._p = (unsigned char *) buf;
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/* For now, inherit the 32-bit signed limit of FILE._bf._size.
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@ -34,6 +34,7 @@ _DEFUN(_vasnprintf_r, (ptr, buf, lenp, fmt, ap),
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/* mark a zero-length reallocatable buffer */
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f._flags = __SWR | __SSTR | __SMBF;
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len = 0;
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buf = NULL;
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}
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f._bf._base = f._p = (unsigned char *) buf;
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/* For now, inherit the 32-bit signed limit of FILE._bf._size.
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