/* vi: set sw=4 ts=4: */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <getopt.h>
#include <time.h>
#include <pwd.h>
#include <grp.h>
#include <unistd.h>
#include <ctype.h>
#include <errno.h>
#include <libgen.h>
#include <stdarg.h>
#include <sys/stat.h>
#include <sys/types.h>
#ifndef __APPLE__
#include <sys/sysmacros.h> /* major() and minor() */
#endif
const char *bb_applet_name;
void bb_verror_msg(const char *s, va_list p)
{
fflush(stdout);
fprintf(stderr, "%s: ", bb_applet_name);
vfprintf(stderr, s, p);
}
void bb_error_msg(const char *s, ...)
{
va_list p;
va_start(p, s);
bb_verror_msg(s, p);
va_end(p);
putc('\n', stderr);
}
void bb_error_msg_and_die(const char *s, ...)
{
va_list p;
va_start(p, s);
bb_verror_msg(s, p);
va_end(p);
putc('\n', stderr);
exit(1);
}
void bb_vperror_msg(const char *s, va_list p)
{
int err=errno;
if(s == 0) s = "";
bb_verror_msg(s, p);
if (*s) s = ": ";
fprintf(stderr, "%s%s\n", s, strerror(err));
}
void bb_perror_msg(const char *s, ...)
{
va_list p;
va_start(p, s);
bb_vperror_msg(s, p);
va_end(p);
}
void bb_perror_msg_and_die(const char *s, ...)
{
va_list p;
va_start(p, s);
bb_vperror_msg(s, p);
va_end(p);
exit(1);
}
FILE *bb_xfopen(const char *path, const char *mode)
{
FILE *fp;
if ((fp = fopen(path, mode)) == NULL)
bb_perror_msg_and_die("%s", path);
return fp;
}
enum {
FILEUTILS_PRESERVE_STATUS = 1,
FILEUTILS_DEREFERENCE = 2,
FILEUTILS_RECUR = 4,
FILEUTILS_FORCE = 8,
FILEUTILS_INTERACTIVE = 16
};
int bb_make_directory (char *path, long mode, int flags)
{
mode_t mask;
const char *fail_msg;
char *s = path;
char c;
struct stat st;
mask = umask(0);
if (mode == -1) {
umask(mask);
mode = (S_IXUSR | S_IXGRP | S_IXOTH |
S_IWUSR | S_IWGRP | S_IWOTH |
S_IRUSR | S_IRGRP | S_IROTH) & ~mask;
} else {
umask(mask & ~0300);
}
do {
c = 0;
if (flags & FILEUTILS_RECUR) { /* Get the parent. */
/* Bypass leading non-'/'s and then subsequent '/'s. */
while (*s) {
if (*s == '/') {
do {
++s;
} while (*s == '/');
c = *s; /* Save the current char */
*s = 0; /* and replace it with nul. */
break;
}
++s;
}
}
if (mkdir(path, 0777) < 0) {
/* If we failed for any other reason than the directory
* already exists, output a diagnostic and return -1.*/
if ((errno != EEXIST && errno != EISDIR)
|| !(flags & FILEUTILS_RECUR)
|| (stat(path, &st) < 0 || !S_ISDIR(st.st_mode))) {
fail_msg = "create";
umask(mask);
break;
}
/* Since the directory exists, don't attempt to change
* permissions if it was the full target. Note that
* this is not an error conditon. */
if (!c) {
umask(mask);
return 0;
}
}
if (!c) {
/* Done. If necessary, updated perms on the newly
* created directory. Failure to update here _is_
* an error.*/
umask(mask);
if ((mode != -1) && (chmod(path, mode) < 0)){
fail_msg = "set permissions of";
break;
}
return 0;
}
/* Remove any inserted nul from the path (recursive mode). */
*s = c;
} while (1);
bb_perror_msg ("Cannot %s directory `%s'", fail_msg, path);
return -1;
}
const char * const bb_msg_memory_exhausted = "memory exhausted";
void *xmalloc(size_t size)
{
void *ptr = malloc(size);
if (ptr == NULL && size != 0)
bb_error_msg_and_die(bb_msg_memory_exhausted);
return ptr;
}
void *xcalloc(size_t nmemb, size_t size)
{
void *ptr = calloc(nmemb, size);
if (ptr == NULL && nmemb != 0 && size != 0)
bb_error_msg_and_die(bb_msg_memory_exhausted);
return ptr;
}
void *xrealloc(void *ptr, size_t size)
{
ptr = realloc(ptr, size);
if (ptr == NULL && size != 0)
bb_error_msg_and_die(bb_msg_memory_exhausted);
return ptr;
}
char *private_get_line_from_file(FILE *file, int c)
{
#define GROWBY (80) /* how large we will grow strings by */
int ch;
int idx = 0;
char *linebuf = NULL;
int linebufsz = 0;
while ((ch = getc(file)) != EOF) {
/* grow the line buffer as necessary */
if (idx > linebufsz - 2) {
linebuf = xrealloc(linebuf, linebufsz += GROWBY);
}
linebuf[idx++] = (char)ch;
if (!ch) return linebuf;
if (c<2 && ch == '\n') {
if (c) {
--idx;
}
break;
}
}
if (linebuf) {
if (ferror(file)) {
free(linebuf);
return NULL;
}
linebuf[idx] = 0;
}
return linebuf;
}
char *bb_get_chomped_line_from_file(FILE *file)
{
return private_get_line_from_file(file, 1);
}
long my_getpwnam(const char *name)
{
struct passwd *myuser;
myuser = getpwnam(name);
if (myuser==NULL)
bb_error_msg_and_die("unknown user name: %s", name);
return myuser->pw_uid;
}
long my_getgrnam(const char *name)
{
struct group *mygroup;
mygroup = getgrnam(name);
if (mygroup==NULL)
bb_error_msg_and_die("unknown group name: %s", name);
return (mygroup->gr_gid);
}
unsigned long get_ug_id(const char *s, long (*my_getxxnam)(const char *))
{
unsigned long r;
char *p;
r = strtoul(s, &p, 10);
if (*p || (s == p)) {
r = my_getxxnam(s);
}
return r;
}
char * last_char_is(const char *s, int c)
{
char *sret = (char *)s;
if (sret) {
sret = strrchr(sret, c);
if(sret != NULL && *(sret+1) != 0)
sret = NULL;
}
return sret;
}
void bb_xasprintf(char **string_ptr, const char *format, ...)
{
va_list p;
int r;
va_start(p, format);
r = vasprintf(string_ptr, format, p);
va_end(p);
if (r < 0) {
bb_perror_msg_and_die("bb_xasprintf");
}
}
char *concat_path_file(const char *path, const char *filename)
{
char *outbuf;
char *lc;
if (!path)
path = "";
lc = last_char_is(path, '/');
while (*filename == '/')
filename++;
bb_xasprintf(&outbuf, "%s%s%s", path, (lc==NULL ? "/" : ""), filename);
return outbuf;
}
void bb_show_usage(void)
{
fprintf(stderr, "%s: [-d device_table] rootdir\n\n", bb_applet_name);
fprintf(stderr, "Creates a batch of special files as specified in a device table.\n");
fprintf(stderr, "Device table entries take the form of:\n");
fprintf(stderr, "type mode user group major minor start increment count\n\n");
fprintf(stderr, "Where name is the file name, type can be one of:\n");
fprintf(stderr, " f A regular file\n");
fprintf(stderr, " d Directory\n");
fprintf(stderr, " c Character special device file\n");
fprintf(stderr, " b Block special device file\n");
fprintf(stderr, " p Fifo (named pipe)\n");
fprintf(stderr, "uid is the user id for the target file, gid is the group id for the\n");
fprintf(stderr, "target file. The rest of the entries (major, minor, etc) apply to\n");
fprintf(stderr, "to device special files. A '-' may be used for blank entries.\n\n");
fprintf(stderr, "For example:\n");
fprintf(stderr, "<name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count>\n");
fprintf(stderr, "/dev d 755 0 0 - - - - -\n");
fprintf(stderr, "/dev/console c 666 0 0 5 1 - - -\n");
fprintf(stderr, "/dev/null c 666 0 0 1 3 0 0 -\n");
fprintf(stderr, "/dev/zero c 666 0 0 1 5 0 0 -\n");
fprintf(stderr, "/dev/hda b 640 0 0 3 0 0 0 -\n");
fprintf(stderr,
lichee_20170502_1607_全志R16的linux系统编译需要改动的文件_使用parrotv1.1的内核_没有外层目录.7z （8个子文件） 
lichee linux-3.4 
.config 81KB bak1_orig_parrotv1p1.config 81KB out sun8iw5p1 linux common buildroot build host-m4-1.4.15 lib stdio.in.h 38KB stdio.in - 副本.h 38KB host-makedevs makedevs.c 13KB makedevs - 副本.c 13KB host-autoconf-2.65 doc autoconf.texi 884KB autoconf - 副本.texi 884KB资源评论
