DeforaOS/utils
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Added directory recursion

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This commit is contained in:
Pierre Pronchery 2004-11-17 19:14:19 +00:00
parent 874660f931
commit ee455a13f7
1 changed files with 54 additions and 4 deletions
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58
src/chmod.c
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@ -5,8 +5,10 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define OPT_R 1
@ -15,7 +17,7 @@
/* chmod */
static int _chmod_error(char * message, int ret);
static int _chmod_do(mode_t mode, char * file);
static int _chmod_do_recursive(mode_t mode, char * file);
static int _chmod_do_recursive(int opts, mode_t mode, char * file);
static int _chmod(int opts, mode_t mode, int filec, char * filev[])
{
int i;
@ -23,7 +25,7 @@ static int _chmod(int opts, mode_t mode, int filec, char * filev[])
for(i = 0; i < filec; i++)
if(opts & OPT_R)
res += _chmod_do_recursive(mode, filev[i]);
res += _chmod_do_recursive(opts, mode, filev[i]);
else
res += _chmod_do(mode, filev[i]);
return res == 0 ? 0 : 2;
@ -43,9 +45,57 @@ static int _chmod_do(mode_t mode, char * file)
return 0;
}
static int _chmod_do_recursive(mode_t mode, char * file)
static int _chmod_do_recursive_do(int opts, mode_t mode, char * file);
static int _chmod_do_recursive(int opts, mode_t mode, char * file)
{
return 1;
struct stat st;
if(lstat(file, &st) != 0)
return _chmod_error(file, 1);
if(!S_ISDIR(st.st_mode))
return _chmod_do(mode, file);
if(!S_ISLNK(st.st_mode))
return _chmod_do_recursive_do(opts, mode, file);
return 0;
}
static int _chmod_do_recursive_do(int opts, mode_t mode, char * file)
{
DIR * dir;
struct dirent * de;
int len;
char * s;
char * p;
if((dir = opendir(file)) == NULL)
return _chmod_error(file, 1);
readdir(dir);
readdir(dir);
len = strlen(file);
len += (len && file[len-1] == '/') ? 1 : 2;
if((s = malloc(len)) == NULL)
{
closedir(dir);
return _chmod_error(file, 1);
}
strcpy(s, file);
s[len-2] = '/';
s[len-1] = '\0';
while((de = readdir(dir)) != NULL)
{
if((p = realloc(s, len + strlen(de->d_name))) == NULL)
{
_chmod_error("malloc", 0);
continue;
}
s = p;
strcat(s, de->d_name);
_chmod_do_recursive(opts, mode, s);
s[len-1] = '\0';
}
free(s);
closedir(dir);
return 0;
}