-/* Copyright (C) 2003 Manuel Novoa III
+/* vi: set sw=4 ts=4: */
+/* Copyright (C) 2003 Manuel Novoa III
*
- * Licensed under GPL v2, or later. See file LICENSE in this tarball.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
-/* Nov 6, 2003 Initial version.
+/* Nov 6, 2003 Initial version.
*
- * NOTE: This implementation is quite strict about requiring all
+ * NOTE: This implementation is quite strict about requiring all
* field seperators. It also does not allow leading whitespace
* except when processing the numeric fields. glibc is more
* lenient. See the various glibc difference comments below.
*
- * TODO:
+ * TODO:
* Move to dynamic allocation of (currently statically allocated)
* buffers; especially for the group-related functions since
* large group member lists will cause error returns.
- *
*/
-#include <features.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
-#include <stddef.h>
-#include <errno.h>
-#include <assert.h>
-#include <ctype.h>
-#include "busybox.h"
-#include "pwd_.h"
-#include "grp_.h"
-#include "shadow_.h"
-
-#ifndef _PATH_SHADOW
-#define _PATH_SHADOW "/etc/shadow"
-#endif
-#ifndef _PATH_PASSWD
-#define _PATH_PASSWD "/etc/passwd"
-#endif
-#ifndef _PATH_GROUP
-#define _PATH_GROUP "/etc/group"
-#endif
-
-/**********************************************************************/
-/* Sizes for statically allocated buffers. */
-
-/* If you change these values, also change _SC_GETPW_R_SIZE_MAX and
- * _SC_GETGR_R_SIZE_MAX in libc/unistd/sysconf.c to match */
-#define PWD_BUFFER_SIZE 256
-#define GRP_BUFFER_SIZE 256
-
-/**********************************************************************/
-/* Prototypes for internal functions. */
-
-extern int __parsepwent(void *pw, char *line);
-extern int __parsegrent(void *gr, char *line);
-extern int __parsespent(void *sp, char *line);
-
-extern int __pgsreader(int (*__parserfunc)(void *d, char *line), void *data,
- char *__restrict line_buff, size_t buflen, FILE *f);
-
-
#ifndef GETXXKEY_R_FUNC
#error GETXXKEY_R_FUNC is not defined!
#endif
-/**********************************************************************/
-#ifdef GETXXKEY_R_FUNC
-int GETXXKEY_R_FUNC(DO_GETXXKEY_R_KEYTYPE key,
- GETXXKEY_R_ENTTYPE *__restrict resultbuf,
- char *__restrict buffer, size_t buflen,
- GETXXKEY_R_ENTTYPE **__restrict result)
+int GETXXKEY_R_FUNC(GETXXKEY_R_KEYTYPE key,
+ GETXXKEY_R_ENTTYPE *__restrict resultbuf,
+ char *__restrict buffer, size_t buflen,
+ GETXXKEY_R_ENTTYPE **__restrict result)
{
FILE *stream;
int rv;
*result = NULL;
- if (!(stream = fopen(DO_GETXXKEY_R_PATHNAME, "r"))) {
- rv = errno;
- } else {
- do {
- if (!(rv = __pgsreader(GETXXKEY_R_PARSER, resultbuf,
- buffer, buflen, stream))
- ) {
- if (GETXXKEY_R_TEST(resultbuf)) { /* Found key? */
- *result = resultbuf;
- break;
- }
- } else {
- if (rv == ENOENT) { /* end-of-file encountered. */
- rv = 0;
- }
+ stream = fopen_for_read(GETXXKEY_R_PATHNAME);
+ if (!stream)
+ return errno;
+ while (1) {
+ rv = bb__pgsreader(GETXXKEY_R_PARSER, resultbuf, buffer, buflen, stream);
+ if (!rv) {
+ if (GETXXKEY_R_TEST(resultbuf)) { /* found key? */
+ *result = resultbuf;
break;
}
- } while (1);
- fclose(stream);
+ } else {
+ if (rv == ENOENT) { /* EOF encountered */
+ rv = 0;
+ }
+ break;
+ }
}
+ fclose(stream);
return rv;
}
-#endif
-/**********************************************************************/
#undef GETXXKEY_R_FUNC
#undef GETXXKEY_R_PARSER
#undef GETXXKEY_R_ENTTYPE
#undef GETXXKEY_R_TEST
-#undef DO_GETXXKEY_R_KEYTYPE
-#undef DO_GETXXKEY_R_PATHNAME
-
+#undef GETXXKEY_R_KEYTYPE
+#undef GETXXKEY_R_PATHNAME