qemu-io: Use bool for command line flags
We require a C99 compiler; let's use it to express what we
really mean.
(Yes, we now have an instance of 'if (bool + bool + bool > 1)',
which, although semantically valid C, looks ugly; it gets
cleaned up later.)
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 1462677405-4752-4-git-send-email-eblake@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
diff --git a/qemu-io-cmds.c b/qemu-io-cmds.c
index 767ea5e..e038c03 100644
--- a/qemu-io-cmds.c
+++ b/qemu-io-cmds.c
@@ -345,7 +345,7 @@
}
static void print_report(const char *op, struct timeval *t, int64_t offset,
- int64_t count, int64_t total, int cnt, int Cflag)
+ int64_t count, int64_t total, int cnt, bool Cflag)
{
char s1[64], s2[64], ts[64];
@@ -658,8 +658,8 @@
static int read_f(BlockBackend *blk, int argc, char **argv)
{
struct timeval t1, t2;
- int Cflag = 0, pflag = 0, qflag = 0, vflag = 0;
- int Pflag = 0, sflag = 0, lflag = 0, bflag = 0;
+ bool Cflag = false, pflag = false, qflag = false, vflag = false;
+ bool Pflag = false, sflag = false, lflag = false, bflag = false;
int c, cnt;
char *buf;
int64_t offset;
@@ -672,13 +672,13 @@
while ((c = getopt(argc, argv, "bCl:pP:qs:v")) != -1) {
switch (c) {
case 'b':
- bflag = 1;
+ bflag = true;
break;
case 'C':
- Cflag = 1;
+ Cflag = true;
break;
case 'l':
- lflag = 1;
+ lflag = true;
pattern_count = cvtnum(optarg);
if (pattern_count < 0) {
print_cvtnum_err(pattern_count, optarg);
@@ -686,20 +686,20 @@
}
break;
case 'p':
- pflag = 1;
+ pflag = true;
break;
case 'P':
- Pflag = 1;
+ Pflag = true;
pattern = parse_pattern(optarg);
if (pattern < 0) {
return 0;
}
break;
case 'q':
- qflag = 1;
+ qflag = true;
break;
case 's':
- sflag = 1;
+ sflag = true;
pattern_offset = cvtnum(optarg);
if (pattern_offset < 0) {
print_cvtnum_err(pattern_offset, optarg);
@@ -707,7 +707,7 @@
}
break;
case 'v':
- vflag = 1;
+ vflag = true;
break;
default:
return qemuio_command_usage(&read_cmd);
@@ -844,7 +844,7 @@
static int readv_f(BlockBackend *blk, int argc, char **argv)
{
struct timeval t1, t2;
- int Cflag = 0, qflag = 0, vflag = 0;
+ bool Cflag = false, qflag = false, vflag = false;
int c, cnt;
char *buf;
int64_t offset;
@@ -853,25 +853,25 @@
int nr_iov;
QEMUIOVector qiov;
int pattern = 0;
- int Pflag = 0;
+ bool Pflag = false;
while ((c = getopt(argc, argv, "CP:qv")) != -1) {
switch (c) {
case 'C':
- Cflag = 1;
+ Cflag = true;
break;
case 'P':
- Pflag = 1;
+ Pflag = true;
pattern = parse_pattern(optarg);
if (pattern < 0) {
return 0;
}
break;
case 'q':
- qflag = 1;
+ qflag = true;
break;
case 'v':
- vflag = 1;
+ vflag = true;
break;
default:
return qemuio_command_usage(&readv_cmd);
@@ -976,8 +976,8 @@
static int write_f(BlockBackend *blk, int argc, char **argv)
{
struct timeval t1, t2;
- int Cflag = 0, pflag = 0, qflag = 0, bflag = 0, Pflag = 0, zflag = 0;
- int cflag = 0;
+ bool Cflag = false, pflag = false, qflag = false, bflag = false;
+ bool Pflag = false, zflag = false, cflag = false;
int c, cnt;
char *buf = NULL;
int64_t offset;
@@ -989,29 +989,29 @@
while ((c = getopt(argc, argv, "bcCpP:qz")) != -1) {
switch (c) {
case 'b':
- bflag = 1;
+ bflag = true;
break;
case 'c':
- cflag = 1;
+ cflag = true;
break;
case 'C':
- Cflag = 1;
+ Cflag = true;
break;
case 'p':
- pflag = 1;
+ pflag = true;
break;
case 'P':
- Pflag = 1;
+ Pflag = true;
pattern = parse_pattern(optarg);
if (pattern < 0) {
return 0;
}
break;
case 'q':
- qflag = 1;
+ qflag = true;
break;
case 'z':
- zflag = 1;
+ zflag = true;
break;
default:
return qemuio_command_usage(&write_cmd);
@@ -1133,7 +1133,7 @@
static int writev_f(BlockBackend *blk, int argc, char **argv)
{
struct timeval t1, t2;
- int Cflag = 0, qflag = 0;
+ bool Cflag = false, qflag = false;
int c, cnt;
char *buf;
int64_t offset;
@@ -1146,10 +1146,10 @@
while ((c = getopt(argc, argv, "CqP:")) != -1) {
switch (c) {
case 'C':
- Cflag = 1;
+ Cflag = true;
break;
case 'q':
- qflag = 1;
+ qflag = true;
break;
case 'P':
pattern = parse_pattern(optarg);
@@ -1242,7 +1242,7 @@
static int multiwrite_f(BlockBackend *blk, int argc, char **argv)
{
struct timeval t1, t2;
- int Cflag = 0, qflag = 0;
+ bool Cflag = false, qflag = false;
int c, cnt;
char **buf;
int64_t offset, first_offset = 0;
@@ -1258,10 +1258,10 @@
while ((c = getopt(argc, argv, "CqP:")) != -1) {
switch (c) {
case 'C':
- Cflag = 1;
+ Cflag = true;
break;
case 'q':
- qflag = 1;
+ qflag = true;
break;
case 'P':
pattern = parse_pattern(optarg);
@@ -1371,11 +1371,11 @@
QEMUIOVector qiov;
int64_t offset;
char *buf;
- int qflag;
- int vflag;
- int Cflag;
- int Pflag;
- int zflag;
+ bool qflag;
+ bool vflag;
+ bool Cflag;
+ bool Pflag;
+ bool zflag;
BlockAcctCookie acct;
int pattern;
struct timeval t1;
@@ -1498,10 +1498,10 @@
while ((c = getopt(argc, argv, "CP:qv")) != -1) {
switch (c) {
case 'C':
- ctx->Cflag = 1;
+ ctx->Cflag = true;
break;
case 'P':
- ctx->Pflag = 1;
+ ctx->Pflag = true;
ctx->pattern = parse_pattern(optarg);
if (ctx->pattern < 0) {
g_free(ctx);
@@ -1509,10 +1509,10 @@
}
break;
case 'q':
- ctx->qflag = 1;
+ ctx->qflag = true;
break;
case 'v':
- ctx->vflag = 1;
+ ctx->vflag = true;
break;
default:
g_free(ctx);
@@ -1599,10 +1599,10 @@
while ((c = getopt(argc, argv, "CqP:z")) != -1) {
switch (c) {
case 'C':
- ctx->Cflag = 1;
+ ctx->Cflag = true;
break;
case 'q':
- ctx->qflag = 1;
+ ctx->qflag = true;
break;
case 'P':
pattern = parse_pattern(optarg);
@@ -1612,7 +1612,7 @@
}
break;
case 'z':
- ctx->zflag = 1;
+ ctx->zflag = true;
break;
default:
g_free(ctx);
@@ -1841,17 +1841,17 @@
static int discard_f(BlockBackend *blk, int argc, char **argv)
{
struct timeval t1, t2;
- int Cflag = 0, qflag = 0;
+ bool Cflag = false, qflag = false;
int c, ret;
int64_t offset, count;
while ((c = getopt(argc, argv, "Cq")) != -1) {
switch (c) {
case 'C':
- Cflag = 1;
+ Cflag = true;
break;
case 'q':
- qflag = 1;
+ qflag = true;
break;
default:
return qemuio_command_usage(&discard_cmd);