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tests: fixed variable might be clobbered warning

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This stops the compiler from potentially making invalid assumptions
about the immutability of sdp and sap across the longjmp boundary.
This commit is contained in:
Dan Fandrich 2016-11-12 12:33:10 +01:00
parent ff662f1c3a
commit 56bb7b1a3c
1 changed files with 4 additions and 6 deletions
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10
tests/server/tftpd.c
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@ -1232,19 +1232,17 @@ static void sendtftp(struct testcase *test, struct formats *pf)
{
int size;
ssize_t n;
/* This is volatile to live through a siglongjmp */
/* These are volatile to live through a siglongjmp */
volatile unsigned short sendblock; /* block count */
struct tftphdr *sdp; /* data buffer */
struct tftphdr *sap; /* ack buffer */
struct tftphdr * volatile sdp = r_init(); /* data buffer */
struct tftphdr * const sap = &ackbuf.hdr; /* ack buffer */
sendblock = 1;
#if defined(HAVE_ALARM) && defined(SIGALRM)
mysignal(SIGALRM, timer);
#endif
sdp = r_init();
sap = &ackbuf.hdr;
do {
size = readit(test, &sdp, pf->f_convert);
size = readit(test, (struct tftphdr **)&sdp, pf->f_convert);
if(size < 0) {
nak(errno + 100);
return;