apio/Luna
1
1
Fork 0
Code Issues Pull Requests Actions Projects Releases 8 Wiki Activity

endpwent: Close all opened instances of /etc/passwd, including those used by getpwuid() and getpwnam()

Browse Source
This commit is contained in:
apio 2022-10-28 21:02:55 +02:00
parent 2ca20c1a1e
commit 702cc0442c
1 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
libs/libc/src/pwd.cpp
View File

@ -7,6 +7,8 @@
#include <unistd.h> #include <unistd.h>
static FILE* pwd_file = nullptr; static FILE* pwd_file = nullptr;
static FILE* pwnam_file = nullptr;
static FILE* pwuid_file = nullptr;
static int initialize_pwd(FILE** stream) static int initialize_pwd(FILE** stream)
{ {
@ -126,7 +128,6 @@ extern "C"
struct passwd* getpwnam(const char* name) struct passwd* getpwnam(const char* name)
{ {
static FILE* pwnam_file = nullptr;
if (!pwnam_file) if (!pwnam_file)
{ {
if (!initialize_pwd(&pwnam_file)) return NULL; if (!initialize_pwd(&pwnam_file)) return NULL;
@ -149,7 +150,6 @@ extern "C"
struct passwd* getpwuid(uid_t uid) struct passwd* getpwuid(uid_t uid)
{ {
static FILE* pwuid_file = nullptr;
if (!pwuid_file) if (!pwuid_file)
{ {
if (!initialize_pwd(&pwuid_file)) return NULL; if (!initialize_pwd(&pwuid_file)) return NULL;
@ -182,5 +182,15 @@ extern "C"
fclose(pwd_file); fclose(pwd_file);
pwd_file = nullptr; pwd_file = nullptr;
} }
if (pwuid_file)
{
fclose(pwuid_file);
pwuid_file = nullptr;
}
if (pwnam_file)
{
fclose(pwnam_file);
pwnam_file = nullptr;
}
} }
} }