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match.c

/*
 * match.c - matching functions for X-Sys
 * Copyright (C) 2005, 2006, 2007 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 *desc, unsigned long long *free_k, unsigned long long *total_k)
{
        char *result, *bytesize;
      double free_space, total_space;
      free_space = *free_k;
      total_space = *total_k;
        result = malloc(bsize * sizeof(char));
        bytesize = malloc(3 * sizeof(char));
      const char *quantities = "KB\0MB\0GB\0TB\0PB\0EB\0ZB\0YB\0";
      int i=0;
      if (total_space == 0)
      {
            snprintf(result, bsize, "%s: none", desc);
            return result;
      }
      while (total_space > 1023 && i <= 14)
      {
            i=i+3;
            *bytesize=*(quantities+i);
            *(bytesize+1)=*(quantities+i+1);
            *(bytesize+2)=*(quantities+i+2);
            free_space = free_space / 1024;
            total_space = total_space / 1024;
      }
      if (percentages != 0)
            snprintf(result, bsize, "%s: %.1f%s, %.1f%% free",
            desc, total_space, bytesize,
            percentage(free_k, total_k));
      else
            snprintf(result, bsize, "%s: %.1f%s/%.1f%s free",
            desc, free_space, bytesize, total_space, bytesize);
        return result;
}

void remove_leading_whitespace(char *buffer)
{
      char *pos;
        while((pos = memchr(buffer, 0x20, 1)))
      {
            pos += 1;
            strcpy(buffer, pos);
      }
}

char *decruft_filename(char *buffer)
{
      char *match, *match_end;

      while ((match = strstr(buffer, "%20")))
      {
            match_end = match + 3;
            *match++ = ' ';
            while (*match_end)
                  *match++ = *match_end++;
            *match = 0;
      }
      return buffer;
}

void find_match_char(char *buffer, char *match, char *result)
{
      char *position;
      remove_leading_whitespace(buffer);
      if(strstr(buffer, match) == strstr(buffer, buffer))
            {
                  position = strpbrk(buffer, delims);
                  if (position != NULL) {
                        position += 1;
                        strcpy(result, position);
                        position = strstr(result, "\n");
                        *(position) = '\0';
                        remove_leading_whitespace(result);
                        }
                  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 = strpbrk(buffer, delims);
                  if (position != NULL) {
                              position += 1;
                              *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 = strpbrk(buffer, delims);
                  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 = strpbrk(buffer, delims);
                  if (position != NULL) {
                              position += 1;
                              *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 = strpbrk(buffer, delims);
                  if (position != NULL) {
                              position += 1;
                              *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);
}

void flat_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) == '%')
                        strcat(string, "%");
                pos1=pos2+2;
        }

        strcat(string, pos1);
}

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