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.bru...@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;
--
2.10.0
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