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Fix rasperry pi hwGetentropy() (#856)

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This commit is contained in:
d00616
2017-05-23 16:41:46 -03:00
committed by Marcelo Aquino
parent 97ed21ef3b
commit aeceb0b683
1 changed files with 6 additions and 3 deletions
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hal/architecture/MyHwLinuxGeneric.cpp
+6 -3
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@@ -20,7 +20,6 @@
#include "MyHwLinuxGeneric.h" #include "MyHwLinuxGeneric.h"
#include <errno.h> #include <errno.h>
#include <linux/random.h>
#include <stdarg.h> #include <stdarg.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@@ -31,6 +30,7 @@
#include "log.h" #include "log.h"
static SoftEeprom eeprom = SoftEeprom(MY_LINUX_CONFIG_FILE, 1024); // ATMega328 has 1024 bytes static SoftEeprom eeprom = SoftEeprom(MY_LINUX_CONFIG_FILE, 1024); // ATMega328 has 1024 bytes
static FILE *randomFp;
bool hwInit(void) bool hwInit(void)
{ {
@@ -43,6 +43,10 @@ bool hwInit(void)
} }
#endif #endif
#endif #endif
if (!(randomFp = fopen("/dev/urandom", "r"))) {
logError("Cannot open '/dev/urandom'.\n");
exit(2);
}
return true; return true;
} }
@@ -75,8 +79,7 @@ void hwRandomNumberInit()
ssize_t hwGetentropy(void *__buffer, size_t __length) ssize_t hwGetentropy(void *__buffer, size_t __length)
{ {
// getrandom syscall return(fread(__buffer, 1, __length, randomFp));
return syscall(SYS_getrandom, __buffer, __length, GRND_NONBLOCK);
} }
unsigned long hwMillis() unsigned long hwMillis()