0,0 → 1,127 |
/* ============================================================================ |
# Create |
# name : Andre Rikkert de Koe date: apr 2011 |
# descr : filefind |
# This is a demo of programming in the C language. |
# Its part of a project to implement a program to create a directory |
# tree similar to the output of the Unix find program. |
# EUID : Any user who has read access to all the files being searched for. |
# run : interactive |
# |
# Changes |
# name : date: |
# descr : short description |
# |
============================================================================ */ |
|
#include <stdio.h> |
#include <libgen.h> |
#include "checkfiles.h" |
#include <unistd.h> // getcwd |
|
|
#include <sys/types.h> |
#include <sys/stat.h> |
#include <dirent.h> |
#include <unistd.h> |
|
#include <errno.h> |
|
#define PATH_MAX 255 |
|
// ============================================================================ |
// Functions |
// ============================================================================ |
|
void Usage(char *progname, char *mesg) |
{ |
printf("Usage: %s directory\n" ,progname); |
printf("%s\n", mesg); |
} |
|
// http://www.ibm.com/developerworks/aix/library/au-unix-readdir.html |
|
void traverse(char *directory) |
{ |
char curdir[PATH_MAX]; |
char curdir2[PATH_MAX]; |
|
getcwd(curdir, PATH_MAX); |
chdir(directory); |
getcwd(curdir2, PATH_MAX); |
|
DIR *dir = NULL; |
struct dirent entry; |
struct dirent *entryPtr = NULL; |
int retval = 0; |
char pathName[PATH_MAX + 1]; |
char pfile[PATH_MAX + 1]; |
|
/* Open the given directory, if you can. */ |
dir = opendir(curdir2); |
if (dir == NULL) |
{ |
printf( "Error opening %s: %s", directory, strerror( errno ) ); |
} |
retval = readdir_r( dir, &entry, &entryPtr ); |
while( entryPtr != NULL ) |
{ |
struct stat entryInfo; |
|
if( ( ! strncmp( entry.d_name, ".", PATH_MAX ) == 0 ) && |
( ! strncmp( entry.d_name, "..", PATH_MAX ) == 0 ) ) |
{ |
sprintf(pfile,"%s/%s", curdir2, entry.d_name); |
if (isdir(entry.d_name) && ! issymlink(entry.d_name)) |
{ |
printf("%s\n", pfile); |
traverse(entry.d_name); |
} |
else |
{ |
if ((isregular(entry.d_name)) || issymlink(entry.d_name)) |
printf("%s\n", pfile); |
else |
printf("WARRNING: Could not process file %s\n", entry.d_name); |
} |
} |
retval = readdir_r( dir, &entry, &entryPtr ); |
} |
chdir(curdir); |
} |
|
void start_traverse(char *directory) |
{ |
printf("%s\n", directory); |
traverse(directory); |
} |
|
// ============================================================================ |
// MAIN |
// ============================================================================ |
|
main(int argc, char *argv[]) |
{ |
char *progname = argv[0]; |
char *directory; |
char mesg[80]; |
|
progname = basename(progname); |
if (argc == 2) |
{ |
directory = argv[1]; |
if (isdir(directory)) |
{ |
start_traverse(directory); |
} |
else |
{ |
sprintf(mesg, "ERROR: No directory %s found", directory); |
Usage(progname, mesg); |
} |
} |
else |
{ |
Usage(progname, "ERROR : 1 argument expected"); |
} |
} |