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add error-handling on file-deskriptor

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kawaii
2017-04-24 17:21:01 +00:00
parent 49a256b373
commit 60f989dbac
1 changed files with 4 additions and 1 deletions
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5
project/motor.c
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@@ -17,6 +17,9 @@
void writeFile(char *filename, char *buffer, size_t count) void writeFile(char *filename, char *buffer, size_t count)
{ {
int fd = open(filename, O_WRONLY); int fd = open(filename, O_WRONLY);
if(fd == -1) {
perror("Fehler bei open ");
}
write(fd, buffer, count); write(fd, buffer, count);
close(fd); close(fd);
} }
@@ -93,7 +96,7 @@ int main()
registerOutput(PIN_MOTOR1_REVERSE); registerOutput(PIN_MOTOR1_REVERSE);
registerOutput(PIN_MOTOR2_FORWARD); registerOutput(PIN_MOTOR2_FORWARD);
registerOutput(PIN_MOTOR2_REVERSE); registerOutput(PIN_MOTOR2_REVERSE);
forward(2);
return 0; return 0;
} }