diff options
| -rw-r--r-- | posix/shm-directory.c | 12 | ||||
| -rw-r--r-- | rt/shm_open.c | 5 | ||||
| -rw-r--r-- | sysdeps/pthread/sem_open.c | 5 |
3 files changed, 15 insertions, 7 deletions
diff --git a/posix/shm-directory.c b/posix/shm-directory.c index 86d9fd8e4f..f130bab3c2 100644 --- a/posix/shm-directory.c +++ b/posix/shm-directory.c @@ -25,6 +25,7 @@ #include <string.h> #include <sys/mman.h> #include <fcntl.h> +#include <errno.h> int __shm_get_name (struct shmdir_name *result, const char *name, bool sem_prefix) @@ -54,9 +55,14 @@ __shm_get_name (struct shmdir_name *result, const char *name, bool sem_prefix) if (sem_prefix) alloc_buffer_copy_bytes (&buffer, "sem.", strlen ("sem.")); alloc_buffer_copy_bytes (&buffer, name, namelen + 1); - if (namelen == 0 || memchr (name, '/', namelen) != NULL - || alloc_buffer_has_failed (&buffer)) - return -1; + if (namelen == 0 || memchr (name, '/', namelen) != NULL) + return EINVAL; + if (alloc_buffer_has_failed (&buffer)) + { + if (namelen > NAME_MAX) + return ENAMETOOLONG; + return EINVAL; + } return 0; } libc_hidden_def (__shm_get_name) diff --git a/rt/shm_open.c b/rt/shm_open.c index 6c1f4d604f..fc1dc96bb4 100644 --- a/rt/shm_open.c +++ b/rt/shm_open.c @@ -30,9 +30,10 @@ int __shm_open (const char *name, int oflag, mode_t mode) { struct shmdir_name dirname; - if (__shm_get_name (&dirname, name, false) != 0) + int ret =__shm_get_name (&dirname, name, false); + if (ret != 0) { - __set_errno (EINVAL); + __set_errno (ret); return -1; } diff --git a/sysdeps/pthread/sem_open.c b/sysdeps/pthread/sem_open.c index 2551b035e1..2d32a13557 100644 --- a/sysdeps/pthread/sem_open.c +++ b/sysdeps/pthread/sem_open.c @@ -47,9 +47,10 @@ __sem_open (const char *name, int oflag, ...) } struct shmdir_name dirname; - if (__shm_get_name (&dirname, name, true) != 0) + int ret = __shm_get_name (&dirname, name, true); + if (ret != 0) { - __set_errno (EINVAL); + __set_errno (ret); return SEM_FAILED; } |