DeforaOS/utils
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Implemented recursive unlinking

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This commit is contained in:
Pierre Pronchery 2005-06-10 22:36:33 +00:00
parent 80cd9078de
commit 06b36386f8
1 changed files with 48 additions and 5 deletions
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53
src/rm.c
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@ -5,6 +5,8 @@
#include <sys/types.h> #include <sys/types.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <unistd.h> #include <unistd.h>
#include <dirent.h>
#include <stdlib.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
@ -36,18 +38,19 @@ static int _rm_error(char * message, int ret)
return ret; return ret;
} }
static int _rm_confirm(char * message) static int _rm_confirm(char const * message, char const * type)
{ {
int c; int c;
int tmp; int tmp;
fprintf(stderr, "%s%s%s", "rm: Remove file \"", message, "\"? "); fprintf(stderr, "%s%s%s%s%s", "rm: ", message, ": Remove ", type, "? ");
if((c = fgetc(stdin)) == EOF) if((c = fgetc(stdin)) == EOF)
return _rm_error("stdin", 0); return _rm_error("stdin", 0);
while(c != '\n' && (tmp = fgetc(stdin)) != EOF && tmp != '\n'); while(c != '\n' && (tmp = fgetc(stdin)) != EOF && tmp != '\n');
return c == 'y'; return c == 'y';
} }
static int _rm_do_recursive(Prefs * prefs, char * file);
static int _rm_do(Prefs * prefs, char * file) static int _rm_do(Prefs * prefs, char * file)
{ {
struct stat st; struct stat st;
@ -66,16 +69,56 @@ static int _rm_do(Prefs * prefs, char * file)
": Is a directory\n"); ": Is a directory\n");
return 0; return 0;
} }
/* FIXME */ return _rm_do_recursive(prefs, file);
} }
/* FIXME */ /* FIXME ask also if permissions do not allow file removal */
if(*prefs & PREFS_i && !_rm_confirm(file)) if(*prefs & PREFS_i && !_rm_confirm(file, "file"))
return 0; return 0;
if(unlink(file) != 0) if(unlink(file) != 0)
return _rm_error(file, 2); return _rm_error(file, 2);
return 0; return 0;
} }
static int _rm_do_recursive(Prefs * prefs, char * file)
{
DIR * dir;
struct dirent * de;
int len = strlen(file) + 2;
char * path;
char * p;
if((dir = opendir(file)) == NULL)
return _rm_error(file, 2);
readdir(dir);
readdir(dir);
if((path = malloc(len)) == NULL)
{
closedir(dir);
return _rm_error("malloc", 2);
}
sprintf(path, "%s/", file);
while((de = readdir(dir)) != NULL)
{
if((p = realloc(path, len + strlen(de->d_name))) == NULL)
{
free(path);
closedir(dir);
return _rm_error("malloc", 2);
}
path = p;
strcpy(&path[len-1], de->d_name);
if(_rm_do(prefs, path) != 0)
return 2;
}
free(path);
closedir(dir);
if(*prefs & PREFS_i && !_rm_confirm(file, "directory"))
return 0;
if(rmdir(file) != 0)
return _rm_error(file, 2);
return 0;
}
/* usage */ /* usage */
static int _usage(void) static int _usage(void)