CLEANUP: Compare the return value of `XXXcmp()` functions with zero
According to coding-style.txt it is recommended to use:
`strcmp(a, b) == 0` instead of `!strcmp(a, b)`
So let's do this.
The change was performed by running the following (very long) coccinelle patch
on src/:
@@
statement S;
expression E;
expression F;
@@
if (
(
dns_hostname_cmp
|
eb_memcmp
|
memcmp
|
strcasecmp
|
strcmp
|
strncasecmp
|
strncmp
)
- (E, F)
+ (E, F) != 0
)
(
S
|
{ ... }
)
@@
statement S;
expression E;
expression F;
@@
if (
- !
(
dns_hostname_cmp
|
eb_memcmp
|
memcmp
|
strcasecmp
|
strcmp
|
strncasecmp
|
strncmp
)
- (E, F)
+ (E, F) == 0
)
(
S
|
{ ... }
)
@@
expression E;
expression F;
expression G;
@@
(
G &&
(
dns_hostname_cmp
|
eb_memcmp
|
memcmp
|
strcasecmp
|
strcmp
|
strncasecmp
|
strncmp
)
- (E, F)
+ (E, F) != 0
)
@@
expression E;
expression F;
expression G;
@@
(
G ||
(
dns_hostname_cmp
|
eb_memcmp
|
memcmp
|
strcasecmp
|
strcmp
|
strncasecmp
|
strncmp
)
- (E, F)
+ (E, F) != 0
)
@@
expression E;
expression F;
expression G;
@@
(
(
dns_hostname_cmp
|
eb_memcmp
|
memcmp
|
strcasecmp
|
strcmp
|
strncasecmp
|
strncmp
)
- (E, F)
+ (E, F) != 0
&& G
)
@@
expression E;
expression F;
expression G;
@@
(
(
dns_hostname_cmp
|
eb_memcmp
|
memcmp
|
strcasecmp
|
strcmp
|
strncasecmp
|
strncmp
)
- (E, F)
+ (E, F) != 0
|| G
)
@@
expression E;
expression F;
expression G;
@@
(
G &&
- !
(
dns_hostname_cmp
|
eb_memcmp
|
memcmp
|
strcasecmp
|
strcmp
|
strncasecmp
|
strncmp
)
- (E, F)
+ (E, F) == 0
)
@@
expression E;
expression F;
expression G;
@@
(
G ||
- !
(
dns_hostname_cmp
|
eb_memcmp
|
memcmp
|
strcasecmp
|
strcmp
|
strncasecmp
|
strncmp
)
- (E, F)
+ (E, F) == 0
)
@@
expression E;
expression F;
expression G;
@@
(
- !
(
dns_hostname_cmp
|
eb_memcmp
|
memcmp
|
strcasecmp
|
strcmp
|
strncasecmp
|
strncmp
)
- (E, F)
+ (E, F) == 0
&& G
)
@@
expression E;
expression F;
expression G;
@@
(
- !
(
dns_hostname_cmp
|
eb_memcmp
|
memcmp
|
strcasecmp
|
strcmp
|
strncasecmp
|
strncmp
)
- (E, F)
+ (E, F) == 0
|| G
)
@@
expression E;
expression F;
expression G;
@@
(
- !
(
dns_hostname_cmp
|
eb_memcmp
|
memcmp
|
strcasecmp
|
strcmp
|
strncasecmp
|
strncmp
)
- (E, F)
+ (E, F) == 0
)
diff --git a/src/flt_trace.c b/src/flt_trace.c
index a79cddc..206beda 100644
--- a/src/flt_trace.c
+++ b/src/flt_trace.c
@@ -623,11 +623,11 @@
}
conf->proxy = px;
conf->flags = 0;
- if (!strcmp(args[pos], "trace")) {
+ if (strcmp(args[pos], "trace") == 0) {
pos++;
while (*args[pos]) {
- if (!strcmp(args[pos], "name")) {
+ if (strcmp(args[pos], "name") == 0) {
if (!*args[pos + 1]) {
memprintf(err, "'%s' : '%s' option without value",
args[*cur_arg], args[pos]);
@@ -640,13 +640,13 @@
}
pos++;
}
- else if (!strcmp(args[pos], "quiet"))
+ else if (strcmp(args[pos], "quiet") == 0)
conf->flags |= TRACE_F_QUIET;
- else if (!strcmp(args[pos], "random-parsing"))
+ else if (strcmp(args[pos], "random-parsing") == 0)
continue; // ignore
- else if (!strcmp(args[pos], "random-forwarding"))
+ else if (strcmp(args[pos], "random-forwarding") == 0)
conf->flags |= TRACE_F_RAND_FWD;
- else if (!strcmp(args[pos], "hexdump"))
+ else if (strcmp(args[pos], "hexdump") == 0)
conf->flags |= TRACE_F_HEXDUMP;
else
break;