Move gammu-related functions into separate file. Change "check_gammu_error" function to return error state. Some configure.ac dependecies added

Makefile.am

@@ -2,7 +2,7 @@ INCLUDES=${gammu_CFLAGS}
 yasnd_LDADD = ${libconfuse_LIBS}
 yasnd_LDADD += ${gammu_LIBS}
 bin_PROGRAMS = yasnd
-yasnd_SOURCES = yasnd.c
+yasnd_SOURCES = yasnd.c yasnd-gammu.c
 
 distclean-local:
 	rm -rf aclocal.m4 autom4te.cache depcomp install-sh missing configure Makefile.in config.h* &>/dev/null

configure.ac

@@ -19,7 +19,9 @@ AC_CHECK_HEADERS([fcntl.h signal.h stdlib.h string.h syslog.h unistd.h])
 AC_TYPE_PID_T
 
 # Checks for library functions.
+AC_CHECK_FUNCS([strdup])
 AC_FUNC_FORK
+AC_FUNC_MALLOC
 
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT

yasnd-gammu.c

@@ -0,0 +1,14 @@
+#include "yasnd.h"
+
+GSM_Error error; // structure to store possible gammu errors
+
+bool check_gammu_error(GSM_Error err)
+{
+	if (err == ERR_NONE) {
+		return false;
+	}
+	char tmp[150];
+	sprintf(tmp,"gammu failure: %s\n", GSM_ErrorString(err));
+	log_event(tmp);
+	return true;
+}

yasnd.c

@@ -10,17 +10,8 @@
 #include <signal.h>
 #include <string.h>
 #include <confuse.h>
-#include <gammu.h>
 
-// Debug verbosity
-#define DEBUG_BASE 1
-#define DEBUG_ALL 2
-
-typedef struct {
-	char* hostname; // address of host
-	pid_t helper_pid; // pid of helper('pinger') child process
-	int fail_count; // how many times in a row host was unreachable
-} host_decl;
+#include "yasnd.h"
 
 cfg_t *cfg; // pointer to configuration structure
 host_decl* hosts=NULL; // structure with hosts' definitions
@@ -49,17 +40,6 @@ void* allocate_memory(int bytes)
 	}
 }
 
-void check_gammu_error(GSM_Error err)
-{
-	if (err == ERR_NONE) {
-		return;
-	}
-	char tmp[150];
-	sprintf(tmp,"gammu failure: %s\n", GSM_ErrorString(err));
-	log_event(tmp);
-	exit(EXIT_FAILURE);
-}
-
 void init()
 {
 	// Initialize config parsing library
@@ -93,17 +73,14 @@ void init()
 	// initialize gammu structures
 	GSM_InitLocales(NULL);
 	state_machine = GSM_AllocStateMachine();
-	// read gammu config
-	INI_Section *gammu_cfg;
-	GSM_Error error;
-	/* Find it */
-	error = GSM_FindGammuRC(&gammu_cfg, NULL);
-	check_gammu_error(error);
-	/* Read it */
-	error = GSM_ReadConfig(gammu_cfg, GSM_GetConfig(state_machine, 0), 0);
-	check_gammu_error(error);
-	/* Free allocated memory */
-	INI_Free(gammu_cfg);
+	/* Set gammu configuration */
+	GSM_Config *gammu_cfg = GSM_GetConfig(state_machine, 0);
+	// first, free old values and set new one
+	free(gammu_cfg->Device);
+	gammu_cfg->Device = strdup("/dev/ttyACM0");
+	free(gammu_cfg->Connection);
+	gammu_cfg->Connection = strdup("at");
+	strcpy(gammu_cfg->Model, "at");
 	/* We care only about first configuration */
 	GSM_SetConfigNum(state_machine, 1);
 }

yasnd.h

@@ -0,0 +1,24 @@
+#ifndef YASND_H
+#define YASND_H
+
+// Debug verbosity
+#define DEBUG_BASE 1
+#define DEBUG_ALL 2
+
+#include <stdbool.h>
+#include <gammu.h>
+
+extern void log_event(const char *message);
+extern bool check_gammu_error(GSM_Error err);
+
+typedef struct {
+	char* hostname; // address of host
+	pid_t helper_pid; // pid of helper('pinger') child process
+	int fail_count; // how many times in a row host was unreachable
+} host_decl;
+
+extern int hosts_count; // count of hosts
+extern int debug_flag;
+extern GSM_Error error; // structure to store possible gammu errors
+
+#endif