How to retrieve file names and subdirectory names from a directory in C?

Ok I have something like this:

struct dirent *dp;
DIR *dir;
char fullname[MAXPATHLEN];
char** tmp_paths = argv[1]; //Not the exact code but you get the idea.

...

while ((dp = readdir(dir)) != NULL)
{
    struct stat stat_buffer;

    sprintf(fullname, "%s/%s", *tmp_paths, dp->d_name);

    if (stat(fullname, &stat_buffer) != 0)
        perror(opts.programname);

    /* Processing 开发者_如何学Pythonfiles */
    if (S_ISDIR(stat_buffer.st_mode))
    {
        nSubdirs++;
        DIRECTORYINFO* subd = malloc(BUFSIZ);
    }

    /* Processing subdirs */
    if (S_ISREG(stat_buffer.st_mode))
    {
        nFiles++;
        FILEINFO *f = malloc(BUFSIZ);
    }
}

How do I go about reading in the file names and subdirectory names into my own structure DIRECTORYINFO and FILEINFO? I've gone through stat.h and haven't found anything useful.

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In the UNIX world the name is not part of the file, so stat(2) cannot retrieve information about it. But in your code you have the name as dp->d_name, so you can copy that string into your own data structure. That should be fairly simple.

If this is not your problem I didn't understand the question.

---

Take a look at this question and its answers. You probably want to use dirent->d_name.

---

Glob is your friend

The glob() function searches for all the pathnames matching pattern according to the rules used by the shell

/* Sample Code */
#include <glob.h>    
glob_t data;
glob("*", 0, NULL, &data ); /* Here "*" says to match all files of the current dir */
for(int i=0; i<data.gl_pathc; i++)
{
    /* Printing all the path names,Just for illustration */
    printf( "%s\n", data.gl_pathv[i] );
}
/* To split into DIRINFO and FILEINFO, stat(2) should be made use of */
globfree( &data ); /* free the data structure */

To get more details you can always use the unix man page

man glob