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1 | /* ============================================================================ |
1 | /* ============================================================================ |
2 | # Create |
2 | # Create |
3 | # name : Andre Rikkert de Koe date: apr 2011 |
3 | # name : Andre Rikkert de Koe date: Apr 2011 |
4 | # descr : filefind |
4 | # descr : filefind |
5 | # This is a demo of programming in the C language. |
5 | # This is a demo of programming in the C language. |
6 | # Its part of a project to implement a program to create a directory |
6 | # Its part of a project to implement a program to create a directory |
7 | # tree similar to the output of the Unix find program. |
7 | # tree similar to the output of the Unix find program. |
8 | # EUID : Any user who has read access to all the files being searched for. |
8 | # EUID : Any user who has read access to all the files being searched for. |
9 | # run : interactive |
9 | # run : interactive |
10 | # |
10 | # |
11 | # Changes |
11 | # Changes |
12 | # name : date: |
12 | # name : date: |
13 | # descr : short description |
13 | # descr : short description |
14 | # |
14 | # |
15 | ============================================================================ */ |
15 | ============================================================================ */ |
16 | 16 | ||
17 | #include <string.h> |
17 | #include <string.h> |
18 | 18 | ||
19 | #include <stdio.h> |
19 | #include <stdio.h> |
20 | #include <libgen.h> |
20 | #include <libgen.h> |
21 | #include "checkfiles.h" |
21 | #include "checkfiles.h" |
22 | #include <unistd.h> // getcwd |
22 | #include <unistd.h> // getcwd |
23 | 23 | ||
24 | 24 | ||
25 | #include <sys/types.h> |
25 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
26 | #include <sys/stat.h> |
27 | #include <dirent.h> |
27 | #include <dirent.h> |
28 | #include <unistd.h> |
28 | #include <unistd.h> |
29 | 29 | ||
30 | #include <errno.h> |
30 | #include <errno.h> |
31 | 31 | ||
32 | #define PATH_MAX 255 |
32 | #define PATH_MAX 255 |
33 | 33 | ||
34 | // ============================================================================ |
34 | // ============================================================================ |
35 | // Functions |
35 | // Functions |
36 | // ============================================================================ |
36 | // ============================================================================ |
37 | 37 | ||
38 | void Usage(char *progname, char *mesg) |
38 | void Usage(char *progname, char *mesg) |
39 | { |
39 | { |
40 | printf("Usage: %s directory\n" ,progname); |
40 | printf("Usage: %s directory\n" ,progname); |
41 | printf("%s\n", mesg); |
41 | printf("%s\n", mesg); |
42 | } |
42 | } |
43 | 43 | ||
44 | // http://www.ibm.com/developerworks/aix/library/au-unix-readdir.html |
44 | // http://www.ibm.com/developerworks/aix/library/au-unix-readdir.html |
45 | 45 | ||
46 | void traverse(char *directory) |
46 | void traverse(char *directory) |
47 | { |
47 | { |
48 | char curdir[PATH_MAX]; |
48 | char curdir[PATH_MAX]; |
49 | char curdir2[PATH_MAX]; |
49 | char curdir2[PATH_MAX]; |
50 | 50 | ||
51 | getcwd(curdir, PATH_MAX); |
51 | getcwd(curdir, PATH_MAX); |
52 | chdir(directory); |
52 | chdir(directory); |
53 | getcwd(curdir2, PATH_MAX); |
53 | getcwd(curdir2, PATH_MAX); |
54 | 54 | ||
55 | DIR *dir = NULL; |
55 | DIR *dir = NULL; |
56 | struct dirent entry; |
56 | struct dirent entry; |
57 | struct dirent *entryPtr = NULL; |
57 | struct dirent *entryPtr = NULL; |
58 | int retval = 0; |
58 | int retval = 0; |
59 | char pathName[PATH_MAX + 1]; |
59 | char pathName[PATH_MAX + 1]; |
60 | char pfile[PATH_MAX + 1]; |
60 | char pfile[PATH_MAX + 1]; |
61 | 61 | ||
62 | /* Open the given directory, if you can. */ |
62 | /* Open the given directory, if you can. */ |
63 | dir = opendir(curdir2); |
63 | dir = opendir(curdir2); |
64 | if (dir == NULL) |
64 | if (dir == NULL) |
65 | { |
65 | { |
66 | printf( "Error opening %s: %s", directory, strerror( errno ) ); |
66 | printf( "Error opening %s: %s", directory, strerror( errno ) ); |
67 | } |
67 | } |
68 | retval = readdir_r( dir, &entry, &entryPtr ); |
68 | retval = readdir_r( dir, &entry, &entryPtr ); |
69 | while( entryPtr != NULL ) |
69 | while( entryPtr != NULL ) |
70 | { |
70 | { |
71 | struct stat entryInfo; |
71 | struct stat entryInfo; |
72 | 72 | ||
73 | if( ( ! strncmp( entry.d_name, ".", PATH_MAX ) == 0 ) && |
73 | if( ( ! strncmp( entry.d_name, ".", PATH_MAX ) == 0 ) && |
74 | ( ! strncmp( entry.d_name, "..", PATH_MAX ) == 0 ) ) |
74 | ( ! strncmp( entry.d_name, "..", PATH_MAX ) == 0 ) ) |
75 | { |
75 | { |
76 | sprintf(pfile,"%s/%s", curdir2, entry.d_name); |
76 | sprintf(pfile,"%s/%s", curdir2, entry.d_name); |
77 | if (isdir(entry.d_name) && ! issymlink(entry.d_name)) |
77 | if (isdir(entry.d_name) && ! issymlink(entry.d_name)) |
78 | { |
78 | { |
79 | printf("%s\n", pfile); |
79 | printf("%s\n", pfile); |
80 | traverse(entry.d_name); |
80 | traverse(entry.d_name); |
81 | } |
81 | } |
82 | else |
82 | else |
83 | { |
83 | { |
84 | if ((isregular(entry.d_name)) || issymlink(entry.d_name)) |
84 | if ((isregular(entry.d_name)) || issymlink(entry.d_name)) |
85 | printf("%s\n", pfile); |
85 | printf("%s\n", pfile); |
86 | else |
86 | else |
87 | printf("WARRNING: Could not process file %s\n", entry.d_name); |
87 | printf("WARRNING: Could not process file %s\n", entry.d_name); |
88 | } |
88 | } |
89 | } |
89 | } |
90 | retval = readdir_r( dir, &entry, &entryPtr ); |
90 | retval = readdir_r( dir, &entry, &entryPtr ); |
91 | } |
91 | } |
92 | chdir(curdir); |
92 | chdir(curdir); |
93 | } |
93 | } |
94 | 94 | ||
95 | void start_traverse(char *directory) |
95 | void start_traverse(char *directory) |
96 | { |
96 | { |
97 | printf("%s\n", directory); |
97 | printf("%s\n", directory); |
98 | traverse(directory); |
98 | traverse(directory); |
99 | } |
99 | } |
100 | 100 | ||
101 | // ============================================================================ |
101 | // ============================================================================ |
102 | // MAIN |
102 | // MAIN |
103 | // ============================================================================ |
103 | // ============================================================================ |
104 | 104 | ||
105 | int main(int argc, char *argv[]) |
105 | int main(int argc, char *argv[]) |
106 | { |
106 | { |
107 | char *progname = argv[0]; |
107 | char *progname = argv[0]; |
108 | char *directory; |
108 | char *directory; |
109 | char mesg[80]; |
109 | char mesg[80]; |
110 | 110 | ||
111 | progname = basename(progname); |
111 | progname = basename(progname); |
112 | if (argc == 2) |
112 | if (argc == 2) |
113 | { |
113 | { |
114 | directory = argv[1]; |
114 | directory = argv[1]; |
115 | if (isdir(directory)) |
115 | if (isdir(directory)) |
116 | { |
116 | { |
117 | start_traverse(directory); |
117 | start_traverse(directory); |
118 | } |
118 | } |
119 | else |
119 | else |
120 | { |
120 | { |
121 | sprintf(mesg, "ERROR: Not a directory : %s", directory); |
121 | sprintf(mesg, "ERROR: Not a directory : %s", directory); |
122 | Usage(progname, mesg); |
122 | Usage(progname, mesg); |
123 | } |
123 | } |
124 | } |
124 | } |
125 | else |
125 | else |
126 | { |
126 | { |
127 | Usage(progname, "ERROR: 1 argument expected"); |
127 | Usage(progname, "ERROR: 1 argument expected"); |
128 | } |
128 | } |
129 | } |
129 | } |
130 | 130 |