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* libc/stdio/popen.c (popen): Allow "rb", "rt", "wb", and "wt" arguments for 

popen to match similar functionality in fopen.
This commit is contained in:
Christopher Faylor 2002-08-04 19:01:56 +00:00
parent 245e4e8734
commit 4866247e29
2 changed files with 11 additions and 1 deletions
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5
newlib/ChangeLog
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@ -1,3 +1,8 @@
2002-08-04 Christopher Faylor <cgf@redhat.com>
* libc/stdio/popen.c (popen): Allow "rb", "rt", "wb", and "wt"
arguments for popen to match similar functionality in fopen.
2002-07-29 Pierre Humblet <pierre.humblet@ieee.org>
* libc/include/sys/unistd.h: Add setgroups prototype for Cygwin.

7
newlib/libc/posix/popen.c
View File

@ -71,7 +71,12 @@ popen(program, type)
FILE *iop;
int pdes[2], pid;
if ((*type != 'r' && *type != 'w') || type[1]) {
if ((*type != 'r' && *type != 'w')
|| (type[1]
#ifdef __CYGWIN__
&& (type[2] || (type[1] != 'b' && type[1] != 't'))
#endif
)) {
errno = EINVAL;
return (NULL);
}