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/************************************************************************
* This file is part of Paramano. *
* *
* Paramano 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 3 of the *
* License, or (at your option) any later version. *
* *
* Paramano 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 Paramano. If not, see *
* <http://www.gnu.org/licenses/>. *
************************************************************************/
#include "common.h"
#include <stdio.h> /* fopen, fgets, printf */
#include <stdlib.h> /* atoi */
#include <string.h> /* lots of functions */
/***********************************************************************
* Return integer value from first line in file
**********************************************************************/
int get_int_value_from_file(const char* filename)
{
FILE* fd;
char buffer[512];
int value;
if(!(fd = fopen(filename, "r")))
return -1;
if (fgets(buffer, sizeof(buffer), fd))
value = get_int(buffer);
fclose(fd);
return value;
}
/***********************************************************************
* Return true/false if a file has specified line of text
**********************************************************************/
bool file_has_line(const char *filename, const char *line)
{
FILE* fd;
char buffer[512];
if (!(fd = fopen(filename, "r")))
return false;
while (fgets(buffer, sizeof(buffer), fd) != NULL)
{
if(strstr(buffer, line) != NULL)
{
fclose(fd);
return true;
}
}
fclose(fd);
return false;
}
/***********************************************************************
* Calls fopen on the specified file, giving debug error message on
* failure. Returns the file descriptor in all cases.
**********************************************************************/
FILE* check_for_file(char* path)
{
FILE* fd;
if(!(fd = fopen(path, "r")))
{
debug("Couldn't open '%s'\n",path);
}
return fd;
}
/***********************************************************************
* Fetches first number (ie the 35 of "35 123") from a
* string
**********************************************************************/
int get_int(const char* string)
{
char* first_num;
first_num = strpbrk(string, "0123456789");
debug("first_num: '%s'\n",first_num);
return atoi(first_num);
}
/***********************************************************************
* Replace occurrences of \n from end of string with \0
**********************************************************************/
void chomp(char* string)
{
int i;
for (i = strlen(string)-1; (i >= 0 && string[i] == '\n'); i--)
string[i] = '\0';
}
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