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Allow zero size with non-null buf in *asnprintf.

Browse source 
* 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.
This commit is contained in:
Eric Blake 2007-05-09 19:27:30 +00:00
parent 38ed4e5111
commit 81274c6726
5 changed files with 15 additions and 0 deletions
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9
newlib/ChangeLog
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@ -1,3 +1,12 @@
2007-05-09 Eric Blake <ebb9@byu.net>
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.
2007-05-07 Charles Wilson <cygwin@...>
* libc/stdio/vfprintf.c: Fix typo in comments that breaks docs.

2
newlib/libc/stdio/asniprintf.c
View file

@ -34,6 +34,7 @@ _DEFUN(_asniprintf_r, (ptr, buf, lenp, fmt),
/* mark a zero-length reallocatable buffer */
f._flags = __SWR | __SSTR | __SMBF;
len = 0;
buf = NULL;
}
f._bf._base = f._p = (unsigned char *) buf;
/* For now, inherit the 32-bit signed limit of FILE._bf._size.
@ -80,6 +81,7 @@ _DEFUN(asniprintf, (buf, lenp, fmt),
/* mark a zero-length reallocatable buffer */
f._flags = __SWR | __SSTR | __SMBF;
len = 0;
buf = NULL;
}
f._bf._base = f._p = (unsigned char *) buf;
/* For now, inherit the 32-bit signed limit of FILE._bf._size.

2
newlib/libc/stdio/asnprintf.c
View file

@ -34,6 +34,7 @@ _DEFUN(_asnprintf_r, (ptr, buf, lenp, fmt),
/* mark a zero-length reallocatable buffer */
f._flags = __SWR | __SSTR | __SMBF;
len = 0;
buf = NULL;
}
f._bf._base = f._p = (unsigned char *) buf;
/* For now, inherit the 32-bit signed limit of FILE._bf._size.
@ -80,6 +81,7 @@ _DEFUN(asnprintf, (buf, lenp, fmt),
/* mark a zero-length reallocatable buffer */
f._flags = __SWR | __SSTR | __SMBF;
len = 0;
buf = NULL;
}
f._bf._base = f._p = (unsigned char *) buf;
/* For now, inherit the 32-bit signed limit of FILE._bf._size.

1
newlib/libc/stdio/vasniprintf.c
View file

@ -34,6 +34,7 @@ _DEFUN(_vasniprintf_r, (ptr, buf, lenp, fmt, ap),
/* mark a zero-length reallocatable buffer */
f._flags = __SWR | __SSTR | __SMBF;
len = 0;
buf = NULL;
}
f._bf._base = f._p = (unsigned char *) buf;
/* For now, inherit the 32-bit signed limit of FILE._bf._size.

1
newlib/libc/stdio/vasnprintf.c
View file

@ -34,6 +34,7 @@ _DEFUN(_vasnprintf_r, (ptr, buf, lenp, fmt, ap),
/* mark a zero-length reallocatable buffer */
f._flags = __SWR | __SSTR | __SMBF;
len = 0;
buf = NULL;
}
f._bf._base = f._p = (unsigned char *) buf;
/* For now, inherit the 32-bit signed limit of FILE._bf._size.