about summary refs log tree commit diff
path: root/pwd/fgetpwent_r.c
diff options
context:
space:
mode:
Diffstat (limited to 'pwd/fgetpwent_r.c')
-rw-r--r--pwd/fgetpwent_r.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/pwd/fgetpwent_r.c b/pwd/fgetpwent_r.c
index 87ea1dedda..78b491d386 100644
--- a/pwd/fgetpwent_r.c
+++ b/pwd/fgetpwent_r.c
@@ -21,6 +21,10 @@
 #include <stdio.h>
 #include <pwd.h>
 
+#ifdef USE_IN_LIBIO
+# define flockfile(s) _IO_flockfile (s)
+#endif
+
 /* Define a line parsing function using the common code
    used in the nss_files module.  */
 
@@ -72,17 +76,20 @@ __fgetpwent_r (FILE *stream, struct passwd *resbuf, char *buffer,
 {
   char *p;
 
+  flockfile (stream);
   do
     {
       buffer[buflen - 1] = '\xff';
-      p = fgets (buffer, buflen, stream);
-      if (p == NULL && feof (stream))
+      p = fgets_unlocked (buffer, buflen, stream);
+      if (p == NULL && feof_unlocked (stream))
 	{
+	  funlockfile (stream);
 	  *result = NULL;
 	  return errno;
 	}
       if (p == NULL || buffer[buflen - 1] != '\xff')
 	{
+	  funlockfile (stream);
 	  *result = NULL;
 	  return errno = ERANGE;
 	}
@@ -95,6 +102,8 @@ __fgetpwent_r (FILE *stream, struct passwd *resbuf, char *buffer,
 		get the next line of the file to parse.  */
 	     ! parse_line (p, resbuf, (void *) buffer, buflen, &errno));
 
+  funlockfile (stream);
+
   *result = resbuf;
   return 0;
 }