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match.c

/*
 * match.c - matching functions for X-Sys
 * Copyright (C) 2005 Tony Vroon
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include "xsys.h"

extern int percentages;

float percentage(unsigned long long *free, unsigned long long *total)
{
        unsigned long long result = (*free) * (unsigned long long)1000 / (*total);
        return result / 10.0;
}

char *pretty_freespace(const char *mount_point, unsigned long long *free_k, unsigned long long *total_k)
{
        char *result;
        result = malloc(bsize * sizeof(char));
        if (percentages != 0)
                if(*total_k > 1024*1024)
                        {
                        snprintf(result, bsize, "%s : %.2fGB, %.2f%% Free",
                        mount_point, (double)*total_k/(1024.0*1024.0),
                        percentage(free_k, total_k));
                        }
                else
                        {
                        snprintf(result, bsize, "%s : %.2fMB, %.2f%% Free",
                        mount_point, (double)*total_k/(1024.0),
                        percentage(free_k, total_k));
                        }
       else
                if(*total_k > 1024*1024)
                        {
                        snprintf(result, bsize, "%s : %.2fGB/%.2fGB Free",
                        mount_point, (double)*free_k/(1024.0*1024.0), (double)*total_k/(1024.0*1024.0));
                        }
                else
                        {
                        snprintf(result, bsize, "%s : %.2fMB/%.2fMB Free",
                        mount_point, (double)*free_k/1024.0, (double)*total_k/1024.0);
                        }
        return result;
}

void remove_leading_whitespace(char *buffer)
{
      char *pos;
      for(pos=buffer; !isspace(*pos); pos++);
        for(;isspace(*pos);pos++);
      buffer = pos;
}

void find_match_char(char *buffer, char *match, char *result)
{
      char *position;
      remove_leading_whitespace(buffer);
      if(strstr(buffer, match) == strstr(buffer, buffer))
            {
                  position = strstr(buffer, ":");
                  if (position == NULL)
                        position = strstr(buffer, "=");
                  if (position != NULL) {
                        position += 2;
                        strcpy(result, position);
                        position = strstr(result, "\n");
                        *(position) = '\0';
                        }
                  else
                        strcpy(result, "\0");
            }
}

void find_match_double(char *buffer, char *match, double *result)
{
      char *position;
      remove_leading_whitespace(buffer);
      if(strstr(buffer, match) == strstr(buffer, buffer))
            {
                  position = strstr(buffer, ":");
                  if (position == NULL)
                        position = strstr(buffer, "=");
                  if (position != NULL) {
                              position += 2;
                              *result = strtod(position, NULL);
                        }
                  else
                        *result = 0;
            }
}

void find_match_double_hex(char *buffer, char *match, double *result)
{
      char *position;
      remove_leading_whitespace(buffer);
      if(strstr(buffer, match) == strstr(buffer, buffer))
            {
                  position = strstr(buffer, ":");
                  if (position == NULL)
                        position = strstr(buffer, "=");
                  if (position != NULL) {
                        memcpy(position,"0x",2);
                        *result = strtod(position,NULL);
                        }
                  else
                        *result = 0;
            }
}

void find_match_int(char *buffer, char *match, unsigned int *result)
{
      char *position;
      remove_leading_whitespace(buffer);
      if(strstr(buffer, match) == strstr(buffer, buffer))
            {
                  position = strstr(buffer, ":");
                  if (position == NULL)
                        position = strstr(buffer, "=");
                  if (position != NULL) {
                              position += 2;
                              *result = atoi(position);
                        }
                  else
                        *result = 0;
            }
}

void find_match_ll(char *buffer, char *match, unsigned long long *result)
{
      char *position;
      remove_leading_whitespace(buffer);
      if(strstr(buffer, match) == strstr(buffer, buffer))
            {
                  position = strstr(buffer, ":");
                  if (position == NULL)
                        position = strstr(buffer, "=");
                  if (position != NULL) {
                              position += 2;
                              *result = strtoll(position, NULL, 10);
                        }
                  else
                        *result = 0;
            }
}

void format_output(const char *arg, char *string, char *format)
{
        char *pos1, *pos2, buffer[bsize];
        pos1 = &format[0];
        strncpy(buffer, string, bsize);
        string[0] = '\0';

        while((pos2 = strstr(pos1, "%")) != NULL)
        {
                strncat(string, pos1, (size_t)(pos2-pos1));
                if(*(pos2+1) == '1')
                        strcat(string, arg);
                else if(*(pos2+1) == '2')
                        strcat(string, buffer);
                else if(*(pos2+1) == 'C' || *(pos2+1) == 'c')
                        strcat(string, "\003");
                else if(*(pos2+1) == 'B' || *(pos2+1) == 'b')
                        strcat(string, "\002");
                else if(*(pos2+1) == 'R' || *(pos2+1) == 'r')
                        strcat(string, "\026");
                else if(*(pos2+1) == 'O' || *(pos2+1) == 'o')
                        strcat(string, "\017");
                else if(*(pos2+1) == 'U' || *(pos2+1) == 'u')
                        strcat(string, "\037");
                else if(*(pos2+1) == '%')
                        strcat(string, "%");
                pos1=pos2+2;
        }

        strcat(string, pos1);
}

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