X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fgetusershell.c;h=35f72dbcbd763ffa9026e10f71bc81617df706d0;hb=b832246eea3bab34518fedf439ca6fe2f08af4e4;hp=dfed7a6c41678e6d98149bec8c518437722cf52d;hpb=783c1624bd8b027a65b3fba57d3213ccb1a6ddbd;p=gnulib.git diff --git a/lib/getusershell.c b/lib/getusershell.c index dfed7a6c4..35f72dbcb 100644 --- a/lib/getusershell.c +++ b/lib/getusershell.c @@ -1,5 +1,5 @@ /* getusershell.c -- Return names of valid user shells. - Copyright (C) 1991 Free Software Foundation, Inc. + Copyright (C) 1991, 1997, 2000 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -28,15 +28,15 @@ #include #include +#include "xalloc.h" -#ifdef STDC_HEADERS -# include +#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII)) +# define IN_CTYPE_DOMAIN(c) 1 #else -char *malloc (); -char *realloc (); +# define IN_CTYPE_DOMAIN(c) isascii(c) #endif -char *xstrdup (); +#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c)) static int readname (); @@ -118,39 +118,6 @@ endusershell () } } -/* Allocate N bytes of memory dynamically, with error checking. */ - -static char * -xmalloc (n) - unsigned n; -{ - char *p; - - p = malloc (n); - if (p == 0) - { - fprintf (stderr, "virtual memory exhausted\n"); - exit (1); - } - return p; -} - -/* Reallocate space P to size N, with error checking. */ - -static char * -xrealloc (p, n) - char *p; - unsigned n; -{ - p = realloc (p, n); - if (p == 0) - { - fprintf (stderr, "virtual memory exhausted\n"); - exit (1); - } - return p; -} - /* Read a line from STREAM, removing any newline at the end. Place the result in *NAME, which is malloc'd and/or realloc'd as necessary and can start out NULL, @@ -175,10 +142,10 @@ readname (name, size, stream) } /* Skip blank space. */ - while ((c = getc (stream)) != EOF && isspace (c)) + while ((c = getc (stream)) != EOF && ISSPACE (c)) /* Do nothing. */ ; - - while (c != EOF && !isspace (c)) + + while (c != EOF && !ISSPACE (c)) { (*name)[name_index++] = c; while (name_index >= *size)