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remove bug with strings

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This commit is contained in:
Siegfried Kienzle
2017-03-24 17:03:46 +01:00
parent b15d09216e
commit a2baf654b6
1 changed files with 11 additions and 13 deletions
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24
V1/switch.c
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@@ -1,18 +1,18 @@
/*
/*
* switch.c
* How to register an button and count this
* author: Simon Wörner, Manuel Vögele,
* Siegfried Kienzle
* 24-March-2017
*
* */
*
* */
#define PIN01 ((char *) "1\n")
#define PIN12 ((char *) "12\n")
#define PIN11 ((char *) "11\n")
#define PIN06 ((char *) "6\n")
#define IN ((char *)"in\n")
#define OUT ((char *)"out\n")
#define PIN01 "1\n"
#define PIN12 "12\n"
#define PIN11 "11\n"
#define PIN06 "6\n"
#define IN "in\n"
#define OUT "out\n"
#include <stdio.h>
#include <stdlib.h>
@@ -24,15 +24,13 @@ int reserve(char* gpioPort)
{
int fd;
char buffer[2];
printf("%s", gpioPort);
strcpy(buffer, gpioPort );
if((fd=open("/sys/class/gpio/export", O_RDWR | O_CREAT | O_TRUNC) == -1)) {
if((fd=open("/sys/class/gpio/export", O_RDWR | O_CREAT | O_TRUNC)) == -1) {
perror(NULL);
return EXIT_FAILURE;
}
if(write(fd, &buffer, sizeof(buffer)) == -1) {
if((write(fd, &buffer, sizeof(buffer))) == -1) {
perror("Cannot write into file");
return EXIT_FAILURE;
}