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Remove unused variables in get_random_bytes()

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If getentropy() is available, GCC warns about unsused variables:

mkpasswd.c: In function ‘get_random_bytes’:
mkpasswd.c:369:13: warning: unused variable ‘bytes_read’ [-Wunused-variable]
     ssize_t bytes_read;
             ^~~~~~~~~~
mkpasswd.c:368:9: warning: unused variable ‘fd’ [-Wunused-variable]
     int fd;
         ^~

This patch fixes it.
This commit is contained in:
Petr Písař 2017-12-11 14:34:08 +01:00 committed by Marco d'Itri
parent 888fa4654b
commit 50b57a6fb7
1 changed files with 4 additions and 4 deletions
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8
mkpasswd.c
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@ -364,17 +364,17 @@ int main(int argc, char *argv[])
void* get_random_bytes(const unsigned int count) void* get_random_bytes(const unsigned int count)
{ {
char *buf; char *buf = NOFAIL(malloc(count));
int fd;
ssize_t bytes_read;
buf = NOFAIL(malloc(count));
#if defined HAVE_ARC4RANDOM_BUF #if defined HAVE_ARC4RANDOM_BUF
arc4random_buf(buf, count); arc4random_buf(buf, count);
#elif defined HAVE_GETENTROPY #elif defined HAVE_GETENTROPY
if (getentropy(buf, count) < 0) if (getentropy(buf, count) < 0)
perror("getentropy"); perror("getentropy");
#else #else
int fd;
ssize_t bytes_read;
fd = open(RANDOM_DEVICE, O_RDONLY); fd = open(RANDOM_DEVICE, O_RDONLY);
if (fd < 0) { if (fd < 0) {
perror("open(" RANDOM_DEVICE ")"); perror("open(" RANDOM_DEVICE ")");