From d5d459a82b8cc0a03fab86f07a4bb68400d64efe Mon Sep 17 00:00:00 2001
From: Gergő J. Miklós
Date: Wed, 4 Nov 2020 02:02:32 +0100
Subject: error halndling

---
 src/main.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/main.c b/src/main.c
index b9eb4d0..4c7e13c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -22,7 +22,7 @@
 #include "hih61xx.h"
 #include "hmc5883.h"
 
-#define VERSION 1.28
+#define VERSION 1.30
 #ifndef _BUILD_TIME_
     #define _BUILD_TIME_  __DATE__" "__TIME__ 
 #endif
@@ -96,6 +96,7 @@ __uint8_t   *xchg_data  (__uint8_t *buf, __uint16_t wrlen, __uint16_t waitlen, _
         usleep(waitlen*1000);                                //# Wait 10ms for reading
         if(read(devicef, buf, rdlen) != rdlen) {                //# read the result
             fprintf (stdout, "I2C read error: [NO: %d, MSG: %s] at %s, line %d. (function: %s)\n", errno, strerror(errno), __FILE__, __LINE__, __func__);
+            close(devicef);
             exit(EXIT_FAILURE);
         }
 
@@ -107,6 +108,7 @@ __uint8_t   *xchg_data  (__uint8_t *buf, __uint16_t wrlen, __uint16_t waitlen, _
         usleep(waitlen*1000);                                //# Wait 10ms for reading
         if((data = i2c_smbus_read_word_data(devicef, buf[0])) < 0) {                //# read the result
             fprintf (stdout, "I2C read error: [NO: %d, MSG: %s] at %s, line %d. (function: %s)\n", errno, strerror(errno), __FILE__, __LINE__, __func__);
+            close(devicef);
             exit(EXIT_FAILURE);
         } else {
             buf[0] = data & 0x0FF;
@@ -161,7 +163,8 @@ int main( int argc, char *argv[] ){
 
         if (ioctl(devicef, I2C_FUNCS, &funcs) < 0) {                    //Get i2c device features
 	        fprintf (stdout, "\n\tAdapter function error  [ERR: %d, MSG: %s] at %s, line %d. \n", errno, strerror(errno), __FILE__, __LINE__);
-	        exit(EXIT_FAILURE);
+	        close(devicef);
+            exit(EXIT_FAILURE);
         }
 
 
@@ -173,10 +176,12 @@ int main( int argc, char *argv[] ){
                 if (ioctl(devicef, I2C_SLAVE_FORCE, addr) < 0){                    //# Seeking/Opening the device on the Bus
                     //printf("\n\tCan't open i2c DEVICE, errno: %d\n\n",errno);
                     fprintf (stdout, "\n\tCan't open i2c DEVICE!  [ERR: %d, MSG: %s] at %s, line %d. \n", errno, strerror(errno), __FILE__, __LINE__);
+                    close(devicef);
                     exit(EXIT_FAILURE);
                 }
             } else {
                 printf("\n\tThe DEVICE address must be a hexadecimal number\n\n");
+                close(devicef);
                 exit(EXIT_FAILURE);
             }
             preinit((char *)argv[3]);                                   //Initialization of subcommands
-- 
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