diff options
Diffstat (limited to 'libc/pwd_grp/fgetspent.c')
| -rw-r--r-- | libc/pwd_grp/fgetspent.c | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/libc/pwd_grp/fgetspent.c b/libc/pwd_grp/fgetspent.c index 68053b39e..20698da1b 100644 --- a/libc/pwd_grp/fgetspent.c +++ b/libc/pwd_grp/fgetspent.c @@ -17,27 +17,41 @@ * */ +#include <features.h> #include <errno.h> #include <stdio.h> #include "config.h" +#ifdef __UCLIBC_HAS_THREADS__ +#include <pthread.h> +static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER; +# define LOCK pthread_mutex_lock(&mylock) +# define UNLOCK pthread_mutex_unlock(&mylock); +#else +# define LOCK +# define UNLOCK +#endif + int fgetspent_r (FILE *file, struct spwd *spwd, char *buff, size_t buflen, struct spwd **crap) { - if (file == NULL) { - __set_errno(EINTR); - return -1; - } - return(__getspent_r(spwd, buff, buflen, fileno(file))); + if (file == NULL) { + __set_errno(EINTR); + return -1; + } + return(__getspent_r(spwd, buff, buflen, fileno(file))); } struct spwd *fgetspent(FILE * file) { - static char line_buff[PWD_BUFFER_SIZE]; - static struct spwd spwd; + static char line_buff[PWD_BUFFER_SIZE]; + static struct spwd spwd; - if (fgetspent_r(file, &spwd, line_buff, sizeof(line_buff), NULL) != -1) { - return &spwd; - } - return NULL; + LOCK; + if (fgetspent_r(file, &spwd, line_buff, sizeof(line_buff), NULL) != -1) { + UNLOCK; + return &spwd; + } + UNLOCK; + return NULL; } |