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Directly filter '.' and '..' in xreaddir

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This commit is contained in:
topjohnwu
2020-04-18 04:20:21 -07:00
parent ed6cdb2eb4
commit dcf07ad8c7
6 changed files with 15 additions and 35 deletions
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17
native/jni/utils/xwrap.cpp
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@@ -13,6 +13,8 @@
#include <logging.hpp>
#include <utils.hpp>
using namespace std;
FILE *xfopen(const char *pathname, const char *mode) {
FILE *fp = fopen(pathname, mode);
if (fp == nullptr) {
@@ -129,11 +131,18 @@ DIR *xfdopendir(int fd) {
struct dirent *xreaddir(DIR *dirp) {
errno = 0;
struct dirent *e = readdir(dirp);
if (errno && e == nullptr) {
PLOGE("readdir");
for (dirent *e;;) {
e = readdir(dirp);
if (e == nullptr) {
if (errno)
PLOGE("readdir");
return nullptr;
} else if (e->d_name == "."sv || e->d_name == ".."sv) {
// Filter . and .. for users
continue;
}
return e;
}
return e;
}
pid_t xsetsid() {