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| author | jkh <jkh@FreeBSD.org> | 2004-03-02 19:43:51 +0000 |
|---|---|---|
| committer | jkh <jkh@FreeBSD.org> | 2004-03-02 19:43:51 +0000 |
| commit | 5a199c908b108f81b40e48ab96db24a3da66d864 (patch) | |
| tree | 76f7bde5d1cde5faa6c2c322c4edcf9613c618c0 /lib/libc/stdio/fvwrite.c | |
| parent | 26048a44af4590e43ca7214985e0a738085767f4 (diff) | |
| download | FreeBSD-src-5a199c908b108f81b40e48ab96db24a3da66d864.zip FreeBSD-src-5a199c908b108f81b40e48ab96db24a3da66d864.tar.gz | |
If handed a file pointer we can't write to, set errno properly to EBADF
in order to get SUSv2 conformant behavior in higher level calls like
fputs() and puts().
Reviewed by: bde
Diffstat (limited to 'lib/libc/stdio/fvwrite.c')
| -rw-r--r-- | lib/libc/stdio/fvwrite.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/libc/stdio/fvwrite.c b/lib/libc/stdio/fvwrite.c index 192edf8..cacad7f 100644 --- a/lib/libc/stdio/fvwrite.c +++ b/lib/libc/stdio/fvwrite.c @@ -40,6 +40,7 @@ static char sccsid[] = "@(#)fvwrite.c 8.1 (Berkeley) 6/4/93"; #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); +#include <errno.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -67,8 +68,10 @@ __sfvwrite(fp, uio) if ((len = uio->uio_resid) == 0) return (0); /* make sure we can write */ - if (cantwrite(fp)) + if (cantwrite(fp)) { + errno = EBADF; return (EOF); + } #define MIN(a, b) ((a) < (b) ? (a) : (b)) #define COPY(n) (void)memcpy((void *)fp->_p, (void *)p, (size_t)(n)) |
