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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;
}