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tls.c
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tls.c
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#include <dirent.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include "tls.h"
#include "plotter.h"
const int PADDING = 2;
int main(int argc, char *argv[])
{
Options options;
options.recursionDepth = 0;
options.all = false;
if(parseOptions(argc, argv, &options) != 0)
return -1;
printf("%s\n", options.path);
run(options.path, 0, &options);
return 0;
}
int parseOptions(int argc, char *argv[], Options *options)
{
if(argc == 1)
{
if (getcwd(options->path, PATH_MAX) == NULL)
{
perror("getcwd() error");
return -1;
}
return 0;
}
else
{
int opt;
while((opt = getopt(argc, argv, "r:ca")) != -1)
{
switch(opt)
{
case 'r':
options->recursionDepth = atoi(optarg);
break;
case 'a':
options->all = true;
break;
case '?':
printf("Help");
// fixme: Add usage information
break;
default:
printf("Unknown argument: %c", opt);
return -1;
}
}
if(optind != argc - 1)
{
printf("To many arguments...\n");
return -1;
}
strcpy(options->path, argv[optind]);
}
return 0;
}
void run(char *path, int depth, Options *options)
{
DIR *dir;
struct dirent *dentry;
struct stat fileStat;
if((dir = opendir(path)) == NULL)
return;
while(1)
{
dentry = readdir(dir);
if(dentry == NULL)
break;
if(dentry->d_name[0] == '.')
{
if(options->all == true)
printLine(dentry->d_name, depth, 1);
continue;
}
char currentFilePath[strlen(path) + strlen(dentry->d_name + 2)];
strcpy(currentFilePath, path);
strcat(currentFilePath, "/");
strcat(currentFilePath, dentry->d_name);
stat(currentFilePath, &fileStat);
if(S_ISDIR(fileStat.st_mode))
{
printLine(dentry->d_name, depth, 1);
if(depth <= options->recursionDepth || options->recursionDepth == 0)
run(currentFilePath, depth + PADDING, options);
}
else
{
printLine(dentry->d_name, depth, 0);
}
}
closedir(dir);
}