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| Rev | Author | Line No. | Line |
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| 2 | ls | 1 | /* ============================================================================ |
| 2 | # Create |
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| 3 | # name : Andre Rikkert de Koe date: apr 2011 |
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| 4 | # descr : filefind |
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| 5 | # This is a demo of programming in the C language. |
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| 6 | # Its part of a project to implement a program to create a directory |
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| 7 | # tree similar to the output of the Unix find program. |
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| 8 | # EUID : Any user who has read access to all the files being searched for. |
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| 9 | # run : interactive |
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| 10 | # |
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| 11 | # Changes |
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| 12 | # name : date: |
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| 13 | # descr : short description |
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| 14 | # |
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| 15 | ============================================================================ */ |
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| 16 | |||
| 17 | #include <stdio.h> |
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| 18 | #include <libgen.h> |
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| 19 | #include "checkfiles.h" |
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| 20 | #include <unistd.h> // getcwd |
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| 21 | |||
| 22 | |||
| 23 | #include <sys/types.h> |
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| 24 | #include <sys/stat.h> |
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| 25 | #include <dirent.h> |
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| 26 | #include <unistd.h> |
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| 27 | |||
| 28 | #include <errno.h> |
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| 29 | |||
| 30 | #define PATH_MAX 255 |
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| 31 | |||
| 32 | // ============================================================================ |
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| 33 | // Functions |
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| 34 | // ============================================================================ |
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| 35 | |||
| 36 | void Usage(char *progname, char *mesg) |
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| 37 | { |
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| 38 | printf("Usage: %s directory\n" ,progname); |
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| 39 | printf("%s\n", mesg); |
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| 40 | } |
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| 41 | |||
| 42 | // http://www.ibm.com/developerworks/aix/library/au-unix-readdir.html |
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| 43 | |||
| 44 | void traverse(char *directory) |
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| 45 | { |
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| 46 | char curdir[PATH_MAX]; |
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| 47 | char curdir2[PATH_MAX]; |
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| 48 | |||
| 49 | getcwd(curdir, PATH_MAX); |
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| 50 | chdir(directory); |
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| 51 | getcwd(curdir2, PATH_MAX); |
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| 52 | |||
| 53 | DIR *dir = NULL; |
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| 54 | struct dirent entry; |
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| 55 | struct dirent *entryPtr = NULL; |
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| 56 | int retval = 0; |
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| 57 | char pathName[PATH_MAX + 1]; |
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| 58 | char pfile[PATH_MAX + 1]; |
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| 59 | |||
| 60 | /* Open the given directory, if you can. */ |
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| 61 | dir = opendir(curdir2); |
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| 62 | if (dir == NULL) |
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| 63 | { |
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| 64 | printf( "Error opening %s: %s", directory, strerror( errno ) ); |
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| 65 | } |
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| 66 | retval = readdir_r( dir, &entry, &entryPtr ); |
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| 67 | while( entryPtr != NULL ) |
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| 68 | { |
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| 69 | struct stat entryInfo; |
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| 70 | |||
| 71 | if( ( ! strncmp( entry.d_name, ".", PATH_MAX ) == 0 ) && |
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| 72 | ( ! strncmp( entry.d_name, "..", PATH_MAX ) == 0 ) ) |
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| 73 | { |
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| 74 | sprintf(pfile,"%s/%s", curdir2, entry.d_name); |
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| 75 | if (isdir(entry.d_name) && ! issymlink(entry.d_name)) |
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| 76 | { |
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| 77 | printf("%s\n", pfile); |
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| 78 | traverse(entry.d_name); |
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| 79 | } |
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| 80 | else |
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| 81 | { |
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| 82 | if ((isregular(entry.d_name)) || issymlink(entry.d_name)) |
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| 83 | printf("%s\n", pfile); |
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| 84 | else |
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| 85 | printf("WARRNING: Could not process file %s\n", entry.d_name); |
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| 86 | } |
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| 87 | } |
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| 88 | retval = readdir_r( dir, &entry, &entryPtr ); |
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| 89 | } |
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| 90 | chdir(curdir); |
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| 91 | } |
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| 92 | |||
| 93 | void start_traverse(char *directory) |
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| 94 | { |
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| 95 | printf("%s\n", directory); |
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| 96 | traverse(directory); |
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| 97 | } |
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| 98 | |||
| 99 | // ============================================================================ |
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| 100 | // MAIN |
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| 101 | // ============================================================================ |
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| 102 | |||
| 103 | main(int argc, char *argv[]) |
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| 104 | { |
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| 105 | char *progname = argv[0]; |
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| 106 | char *directory; |
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| 107 | char mesg[80]; |
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| 108 | |||
| 109 | progname = basename(progname); |
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| 110 | if (argc == 2) |
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| 111 | { |
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| 112 | directory = argv[1]; |
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| 113 | if (isdir(directory)) |
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| 114 | { |
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| 115 | start_traverse(directory); |
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| 116 | } |
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| 117 | else |
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| 118 | { |
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| 119 | sprintf(mesg, "ERROR: No directory %s found", directory); |
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| 120 | Usage(progname, mesg); |
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| 121 | } |
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| 122 | } |
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| 123 | else |
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| 124 | { |
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| 125 | Usage(progname, "ERROR : 1 argument expected"); |
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| 126 | } |
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| 127 | } |