#define RESULT_MAX_BUFF_SIZE 4096
int exec_cmd_and_get_result( const char *cmd_str, char *buffer ) { int cnt; FILE *pf; pf = popen(cmd_str, "r"); cnt=fread(buffer, 1,RESULT_MAX_BUFF_SIZE, pf); buffer[cnt-1] = '\0';
printf( "fread cnt = %d\n", cnt ); //printf( "strlen(buffer) = %d\n", strlen(buffer) );
printf( "buffer = %s\n", buffer ); pclose(pf); return 0; }
void printdir(char *dir, int depth) { DIR *dp; char buffer[RESULT_MAX_BUFF_SIZE]; char cmd_str[RESULT_MAX_BUFF_SIZE]; struct dirent *entry; struct stat statbuf; if( (dp = opendir(dir)) == NULL ){ fprintf(stderr,"cannot open directory: %s\n", dir); return; } //fprintf(stdout,"open directory: %s\n", dir); chdir(dir); while((entry = readdir(dp)) != NULL) { lstat(entry->d_name,&statbuf); if( S_ISDIR(statbuf.st_mode) ){ if( strcmp(".",entry->d_name) == 0 || strcmp("..",entry->d_name) == 0 ){ continue; } //printf("%*s%s/\n",depth,"",entry->d_name); if( strcmp("sys",entry->d_name) == 0 || strcmp("proc",entry->d_name) == 0 ){ continue; } printdir(entry->d_name,depth+4); }else{ //printf("%*s%s\n",depth,"",entry->d_name); exec_cmd_and_get_result("pwd", buffer); //printf("result = %s\n", buffer);
strcat(buffer, "/"); strcat(buffer, entry->d_name);
printf("path = %s\n", buffer);
strcpy( cmd_str, "cat "); strcat(cmd_str, buffer);
exec_cmd_and_get_result(cmd_str, buffer); //printf("result = %s\n", buffer); //printf("result1 = %s\n", buffer);
if(strlen(buffer)==83){ printf("result1 = %s\n", buffer);
}
printf("result1 len = %d\n", strlen(buffer) ); } } chdir(".."); closedir(dp); }
