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| /* ============================================================================ |
| # 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"); |
| } |
| } |