From 0a915305a6481f3b9553511376358ab81a51724c Mon Sep 17 00:00:00 2001 From: David Date: Thu, 5 Jun 2014 17:49:36 +1200 Subject: Clean-ups --- common.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 common.c (limited to 'common.c') diff --git a/common.c b/common.c new file mode 100644 index 0000000..3bf7dd1 --- /dev/null +++ b/common.c @@ -0,0 +1,81 @@ +/************************************************************************ + * This file is part of trayfreq-archlinux. * + * * + * trayfreq-archlinux 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. * + * * + * trayfreq-archlinux 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 trayfreq-archlinux. If not, see * + * . * + ************************************************************************/ + +#include "common.h" + +#include /* fopen, fgets, printf */ +#include /* atoi */ +#include /* 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; +} + + +/*********************************************************************** + * 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); +} -- cgit v1.1