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authorUlrich Drepper <drepper@redhat.com>1999-06-09 12:01:54 +0000
committerUlrich Drepper <drepper@redhat.com>1999-06-09 12:01:54 +0000
commite1c6ee839d13d57a4756e506a6b03f6a82b86d61 (patch)
treed8165cba8422ceb1f1871704ab322995593ac4ab /pwd
parentc41baa797637904ab405f14b78e722176abbdca1 (diff)
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Update.
1999-06-09 Ulrich Drepper <drepper@cygnus.com> * pwd/fgetpwent_r.c: Set errno in the correct way. * shadow/fgetspent_r.c: Likewise. * pwd/fgetpwent.c: Handle long lines correctly. Little optimizations. Free static buffer when debugging memory handling. * shadow/fgetspent.c: Likewise. * grp/fgetgrent.c: Little optimization in loop. 1999-06-09 Andreas Jaeger <aj@arthur.rhein-neckar.de> * grp/tst_fgetgrent.c (write_group): Fix generation of long line in a different way.
Diffstat (limited to 'pwd')
-rw-r--r--pwd/fgetpwent.c29
-rw-r--r--pwd/fgetpwent_r.c5
2 files changed, 28 insertions, 6 deletions
diff --git a/pwd/fgetpwent.c b/pwd/fgetpwent.c
index 0b5a169..09a13c3 100644
--- a/pwd/fgetpwent.c
+++ b/pwd/fgetpwent.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996, 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -19,22 +19,28 @@
#include <errno.h>
#include <bits/libc-lock.h>
#include <pwd.h>
+#include <stdio.h>
#include <stdlib.h>
/* We need to protect the dynamic buffer handling. */
__libc_lock_define_initialized (static, lock);
+static char *buffer;
+
/* Read one entry from the given stream. */
struct passwd *
fgetpwent (FILE *stream)
{
- static char *buffer;
static size_t buffer_size;
static struct passwd resbuf;
+ fpos_t pos;
struct passwd *result;
int save;
+ if (fgetpos (stream, &pos) != 0)
+ return NULL;
+
/* Get lock. */
__libc_lock_lock (lock);
@@ -46,8 +52,8 @@ fgetpwent (FILE *stream)
}
while (buffer != NULL
- && __fgetpwent_r (stream, &resbuf, buffer, buffer_size, &result) != 0
- && errno == ERANGE)
+ && (__fgetpwent_r (stream, &resbuf, buffer, buffer_size, &result)
+ == ERANGE))
{
char *new_buf;
buffer_size += NSS_BUFLEN_PASSWD;
@@ -61,6 +67,10 @@ fgetpwent (FILE *stream)
__set_errno (save);
}
buffer = new_buf;
+
+ /* Reset the stream. */
+ if (fsetpos (stream, &pos) != 0)
+ buffer = NULL;
}
if (buffer == NULL)
@@ -73,3 +83,14 @@ fgetpwent (FILE *stream)
return result;
}
+
+
+/* Free all resources if necessary. */
+static void __attribute__ ((unused))
+free_mem (void)
+{
+ if (buffer != NULL)
+ free (buffer);
+}
+
+text_set_element (__libc_subfreeres, free_mem);
diff --git a/pwd/fgetpwent_r.c b/pwd/fgetpwent_r.c
index 4986e74..c2a746d 100644
--- a/pwd/fgetpwent_r.c
+++ b/pwd/fgetpwent_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -92,7 +92,8 @@ __fgetpwent_r (FILE *stream, struct passwd *resbuf, char *buffer,
{
funlockfile (stream);
*result = NULL;
- return errno = ERANGE;
+ __set_errno (ERANGE);
+ return errno;
}
/* Skip leading blanks. */