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sandbox/fs: Use readdir instead of deprecated readdir_r

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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>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Stefan Brüns 2016-10-01 20:41:42 +02:00 committed by Simon Glass
parent f189899c2f
commit bf635ed091
1 changed files with 11 additions and 8 deletions
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19
arch/sandbox/cpu/os.c
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@ -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;