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authorPaul Pluzhnikov <ppluzhnikov@google.com>2015-09-01 08:48:15 -0700
committerPaul Pluzhnikov <ppluzhnikov@google.com>2015-09-01 08:48:15 -0700
commit2d8e36e691f460aeeb3362fd44c71cafc7bb5852 (patch)
tree945a622e0b51a2e7ff758269a60a6d5ef1417479 /libio
parent74589f738efd72e07f759a4aabd2e32613aaefb8 (diff)
downloadglibc-2d8e36e691f460aeeb3362fd44c71cafc7bb5852.tar.gz
Fix BZ #18757.
Diffstat (limited to 'libio')
-rw-r--r--libio/iofopncook.c1
-rw-r--r--libio/test-fmemopen.c21
2 files changed, 22 insertions, 0 deletions
diff --git a/libio/iofopncook.c b/libio/iofopncook.c
index b845d29657..978a7fa345 100644
--- a/libio/iofopncook.c
+++ b/libio/iofopncook.c
@@ -189,6 +189,7 @@ _IO_fopencookie (cookie, mode, io_functions)
read_write = _IO_NO_READS|_IO_IS_APPENDING;
break;
default:
+ __set_errno (EINVAL);
return NULL;
}
if (mode[0] == '+' || (mode[0] == 'b' && mode[1] == '+'))
diff --git a/libio/test-fmemopen.c b/libio/test-fmemopen.c
index e8e757f351..a62f6644c2 100644
--- a/libio/test-fmemopen.c
+++ b/libio/test-fmemopen.c
@@ -19,6 +19,7 @@
static char buffer[] = "foobar";
+#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
@@ -30,6 +31,7 @@ do_bz18820 (void)
char ch;
FILE *stream;
+ errno = 0;
stream = fmemopen (&ch, 1, "?");
if (stream)
{
@@ -37,6 +39,11 @@ do_bz18820 (void)
fclose (stream);
return 1;
}
+ if (errno != EINVAL)
+ {
+ printf ("fmemopen: got %i, expected EINVAL (%i)\n", errno, EINVAL);
+ return 10;
+ }
stream = fmemopen (NULL, 42, "?");
if (stream)
@@ -46,6 +53,20 @@ do_bz18820 (void)
return 2;
}
+ errno = 0;
+ stream = fmemopen (NULL, ~0, "w");
+ if (stream)
+ {
+ printf ("fmemopen: expected NULL, got %p\n", stream);
+ fclose (stream);
+ return 3;
+ }
+ if (errno != ENOMEM)
+ {
+ printf ("fmemopen: got %i, expected ENOMEM (%i)\n", errno, ENOMEM);
+ return 20;
+ }
+
return 0;
}