diff options
Diffstat (limited to 'pwd')
| -rw-r--r-- | pwd/getpwnam.c | 26 | ||||
| -rw-r--r-- | pwd/getpwuid.c | 26 | ||||
| -rw-r--r-- | pwd/pwd.h | 8 | ||||
| -rw-r--r-- | pwd/pwdread.c | 33 |
4 files changed, 51 insertions, 42 deletions
diff --git a/pwd/getpwnam.c b/pwd/getpwnam.c index 1e7ea5c..bac8b6b 100644 --- a/pwd/getpwnam.c +++ b/pwd/getpwnam.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1995 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 @@ -24,27 +24,13 @@ Cambridge, MA 02139, USA. */ /* Search for an entry with a matching name. */ struct passwd * -DEFUN(getpwnam, (name), register CONST char *name) +DEFUN(getpwnam, (name), const char *name) { - static PTR info = NULL; - register FILE *stream; - register struct passwd *p; - - if (info == NULL) + int match (struct passwd *p) { - info = __pwdalloc(); - if (info == NULL) - return(NULL); + return ! strcmp (name, p->pw_name); } + static void *info; - stream = __pwdopen(); - if (stream == NULL) - return(NULL); - - while ((p = __pwdread(stream, info)) != NULL) - if (!strcmp(p->pw_name, name)) - break; - - (void) fclose(stream); - return(p); + return __pwdscan (&info, &match); } diff --git a/pwd/getpwuid.c b/pwd/getpwuid.c index 30e4032..5093488 100644 --- a/pwd/getpwuid.c +++ b/pwd/getpwuid.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1995 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 @@ -24,27 +24,13 @@ Cambridge, MA 02139, USA. */ /* Search for an entry with a matching uid. */ struct passwd * -DEFUN(getpwuid, (uid), register uid_t uid) +DEFUN(getpwuid, (uid), uid_t uid) { - static PTR info; - register FILE *stream; - register struct passwd *p; - - if (info == NULL) + int match (struct passwd *p) { - info = __pwdalloc(); - if (info == NULL) - return(NULL); + return p->pw_uid == uid; } + static void *info; - stream = __pwdopen(); - if (stream == NULL) - return(NULL); - - while ((p = __pwdread(stream, info)) != NULL) - if (p->pw_uid == uid) - break; - - (void) fclose(stream); - return(p); + return __pwdscan (&info, &match); } @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1992, 1995 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 @@ -58,6 +58,12 @@ extern struct passwd *__pwdread __P ((FILE * __stream, __ptr_t __p)); /* Return a chunk of memory containing pre-initialized data for __pwdread. */ extern __ptr_t __pwdalloc __P ((void)); + +/* Scan the password file, filling in P, until SELECTOR returns nonzero for + an entry. Return the `struct passwd' of P if successful, NULL on + failure. */ +extern struct passwd *__pwdscan __P ((__ptr_t *__p, + int (*__selector) (struct passwd *))); #endif diff --git a/pwd/pwdread.c b/pwd/pwdread.c index 0ce27d7..1203236 100644 --- a/pwd/pwdread.c +++ b/pwd/pwdread.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1992, 1995 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 @@ -114,3 +114,34 @@ DEFUN(__pwdread, (stream, p), FILE *stream AND PTR CONST p) return &info->p; } + + +struct passwd * +__pwdscan (void **info, int (*selector) (struct passwd *)) +{ + FILE *stream; + struct passwd *p; + + if (*info == NULL) + { + *info = __pwdalloc (); + if (info == NULL) + return NULL; + } + + stream = __pwdopen (); + if (stream == NULL) + return NULL; + + p = NULL; + while (! feof (stream)) + { + p = __pwdread (stream, *info); + if (p && (*selector) (p)) + break; + p = NULL; + } + + (void) fclose (stream); + return p; +} |