04095e58fb
This way, we can new get rid of all that tedious #define rubbish we used to need to enable specific messages. This way is enormously simpler, and as a bonus also ends up saving us 96 bytes. -Erik
151 lines
3.8 KiB
C
151 lines
3.8 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Utility routines.
|
|
*
|
|
* Copyright (C) tons of folks. Tracking down who wrote what
|
|
* isn't something I'm going to worry about... If you wrote something
|
|
* here, please feel free to acknowledge your work.
|
|
*
|
|
* 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
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 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
|
|
* 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
|
|
*
|
|
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
|
* Permission has been granted to redistribute this code under the GPL.
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <dirent.h>
|
|
#include <sys/stat.h>
|
|
#include <stdlib.h> /* free() */
|
|
#include "libbb.h"
|
|
|
|
#undef DEBUG_RECURS_ACTION
|
|
|
|
|
|
/*
|
|
* Walk down all the directories under the specified
|
|
* location, and do something (something specified
|
|
* by the fileAction and dirAction function pointers).
|
|
*
|
|
* Unfortunately, while nftw(3) could replace this and reduce
|
|
* code size a bit, nftw() wasn't supported before GNU libc 2.1,
|
|
* and so isn't sufficiently portable to take over since glibc2.1
|
|
* is so stinking huge.
|
|
*/
|
|
int recursive_action(const char *fileName,
|
|
int recurse, int followLinks, int depthFirst,
|
|
int (*fileAction) (const char *fileName,
|
|
struct stat * statbuf,
|
|
void* userData),
|
|
int (*dirAction) (const char *fileName,
|
|
struct stat * statbuf,
|
|
void* userData),
|
|
void* userData)
|
|
{
|
|
int status;
|
|
struct stat statbuf;
|
|
struct dirent *next;
|
|
|
|
if (followLinks == TRUE)
|
|
status = stat(fileName, &statbuf);
|
|
else
|
|
status = lstat(fileName, &statbuf);
|
|
|
|
if (status < 0) {
|
|
#ifdef DEBUG_RECURS_ACTION
|
|
fprintf(stderr,
|
|
"status=%d followLinks=%d TRUE=%d\n",
|
|
status, followLinks, TRUE);
|
|
#endif
|
|
perror_msg("%s", fileName);
|
|
return FALSE;
|
|
}
|
|
|
|
if ((followLinks == FALSE) && (S_ISLNK(statbuf.st_mode))) {
|
|
if (fileAction == NULL)
|
|
return TRUE;
|
|
else
|
|
return fileAction(fileName, &statbuf, userData);
|
|
}
|
|
|
|
if (recurse == FALSE) {
|
|
if (S_ISDIR(statbuf.st_mode)) {
|
|
if (dirAction != NULL)
|
|
return (dirAction(fileName, &statbuf, userData));
|
|
else
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
if (S_ISDIR(statbuf.st_mode)) {
|
|
DIR *dir;
|
|
|
|
if (dirAction != NULL && depthFirst == FALSE) {
|
|
status = dirAction(fileName, &statbuf, userData);
|
|
if (status == FALSE) {
|
|
perror_msg("%s", fileName);
|
|
return FALSE;
|
|
} else if (status == SKIP)
|
|
return TRUE;
|
|
}
|
|
dir = opendir(fileName);
|
|
if (!dir) {
|
|
perror_msg("%s", fileName);
|
|
return FALSE;
|
|
}
|
|
status = TRUE;
|
|
while ((next = readdir(dir)) != NULL) {
|
|
char *nextFile;
|
|
|
|
if ((strcmp(next->d_name, "..") == 0)
|
|
|| (strcmp(next->d_name, ".") == 0)) {
|
|
continue;
|
|
}
|
|
nextFile = concat_path_file(fileName, next->d_name);
|
|
if (recursive_action(nextFile, TRUE, followLinks, depthFirst,
|
|
fileAction, dirAction, userData) == FALSE) {
|
|
status = FALSE;
|
|
}
|
|
free(nextFile);
|
|
}
|
|
closedir(dir);
|
|
if (dirAction != NULL && depthFirst == TRUE) {
|
|
if (dirAction(fileName, &statbuf, userData) == FALSE) {
|
|
perror_msg("%s", fileName);
|
|
return FALSE;
|
|
}
|
|
}
|
|
if (status == FALSE)
|
|
return FALSE;
|
|
} else {
|
|
if (fileAction == NULL)
|
|
return TRUE;
|
|
else
|
|
return fileAction(fileName, &statbuf, userData);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/* END CODE */
|
|
/*
|
|
Local Variables:
|
|
c-file-style: "linux"
|
|
c-basic-offset: 4
|
|
tab-width: 4
|
|
End:
|
|
*/
|