Using readdir_r limits the maximum file name length and may even be unsafe, and is thus deprecated in since glibc 2.24.

Signed-off-by: Stefan Brüns stefan.bruens@rwth-aachen.de --- arch/sandbox/cpu/os.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c index df2bd4c..35ea00c 100644 --- a/arch/sandbox/cpu/os.c +++ b/arch/sandbox/cpu/os.c @@ -313,7 +313,7 @@ void os_dirent_free(struct os_dirent_node *node)

int os_dirent_ls(const char *dirname, struct os_dirent_node **headp) { - struct dirent entry, *result; + struct dirent *entry; struct os_dirent_node *head, *node, *next; struct stat buf; DIR *dir; @@ -337,12 +337,15 @@ int os_dirent_ls(const char *dirname, struct os_dirent_node **headp) }

for (node = head = NULL;; node = next) { - ret = readdir_r(dir, &entry, &result); - if (ret || !result) + errno = 0; + entry = readdir(dir); + if (!entry) { + ret = errno; break; - next = malloc(sizeof(*node) + strlen(entry.d_name) + 1); - if (dirlen + strlen(entry.d_name) > len) { - len = dirlen + strlen(entry.d_name); + } + next = malloc(sizeof(*node) + strlen(entry->d_name) + 1); + if (dirlen + strlen(entry->d_name) > len) { + len = dirlen + strlen(entry->d_name); fname = realloc(fname, len); } if (!next || !fname) { @@ -352,8 +355,8 @@ int os_dirent_ls(const char *dirname, struct os_dirent_node **headp) goto done; } next->next = NULL; - strcpy(next->name, entry.d_name); - switch (entry.d_type) { + strcpy(next->name, entry->d_name); + switch (entry->d_type) { case DT_REG: next->type = OS_FILET_REG; break;