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Fix BZ #18757.

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This commit is contained in:
Paul Pluzhnikov 2015-09-01 08:48:15 -07:00
parent 74589f738e
commit 2d8e36e691
4 changed files with 32 additions and 2 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2015-09-01 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #18757]
* libio/iofopncook.c (_IO_fopencookie): Set errno on failure.
* libio/test-fmemopen.c (do_bz18820): Extend the test to cover
BZ #18757.
2015-09-01 Paul Pluzhnikov <ppluzhnikov@google.com>
* malloc/mtrace.pl: Filter out NULL entries.

5
NEWS
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@ -11,8 +11,9 @@ Version 2.23
2898, 14341, 15786, 16141, 16517, 16519, 16520, 16734, 16973, 17787,
17905, 18084, 18086, 18240, 18265, 18370, 18421, 18480, 18525, 18610,
18618, 18647, 18661, 18674, 18681, 18778, 18781, 18787, 18789, 18790,
18795, 18796, 18820, 18823, 18824, 18863, 18870, 18873, 18887.
18618, 18647, 18661, 18674, 18681, 18757, 18778, 18781, 18787, 18789,
18790, 18795, 18796, 18820, 18823, 18824, 18863, 18870, 18873, 18887.
* The obsolete header <regexp.h> has been removed. Programs that require
this header must be updated to use <regex.h> instead.

1
libio/iofopncook.c
View File

@ -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] == '+'))

21
libio/test-fmemopen.c
View File

@ -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;
}