fsearch-example.c

/********************
 * Exemplo por Luiz Felipe.
 * https://github.com/Silva97
 ********************/

#include <stdio.h>
#include <string.h>
#include <unistd.h> // Para usar chdir()

#include <dirent.h>
#include <sys/types.h>

_Bool fsearch(char *path, char *fname, char *folder);

int main(int argc, char **argv){
    char destiny[256];

    if(!fsearch(destiny, argv[1], ".")){
        puts("Arquivo não encontrado");
    } else {
        printf("Endereço: %s\n", destiny);
    }

    return 0;
}

_Bool fsearch(char *path, char *fname, char *folder){
    _Bool r = 0;

    struct dirent *f;
    DIR *d = opendir(folder);
    chdir(folder);

    while(f = readdir(d)){
        switch(f->d_type){
            case DT_REG:
                if(!strcmp(f->d_name, fname)){
                    getcwd(path, 255);
                    sprintf(path, "%s/%s", path, f->d_name);
                    r = 1;
                    goto fend;
                }
            break;

            case DT_DIR:
                if(!strcmp(f->d_name, ".") || !strcmp(f->d_name, ".."))
                    break;

                r = fsearch(path, fname, f->d_name);
                if(r)
                    goto fend;
            break;
        }
    }

fend:
    closedir(d);
    chdir("..");
    return r;
}