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pfctl: Add const and move static variables.

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Note: This should be upstreamed into BSD.

Make everything constant that can be constant and move static variables
out of their functions.
This commit is contained in:
Christian Mauderer 2016-07-06 09:50:51 +02:00
parent b6252fb806
commit c70221cb64
7 changed files with 112 additions and 1 deletions
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38
freebsd/contrib/pf/pfctl/pfctl.c
View File

@ -108,7 +108,11 @@ int pfctl_ruleset_trans(struct pfctl *, char *, struct pf_anchor *);
int pfctl_load_ruleset(struct pfctl *, char *,
struct pf_ruleset *, int, int);
int pfctl_load_rule(struct pfctl *, char *, struct pf_rule *, int);
#ifndef __rtems__
const char *pfctl_lookup_option(char *, const char **);
#else /* __rtems__ */
const char *pfctl_lookup_option(char *, const char * const *);
#endif /* __rtems__ */
struct pf_anchor_global pf_anchors;
struct pf_anchor pf_main_anchor;
@ -119,7 +123,11 @@ const char *showopt;
const char *debugopt;
char *anchoropt;
const char *optiopt = NULL;
#ifndef __rtems__
char *pf_device = "/dev/pf";
#else /* __rtems__ */
const char *pf_device = "/dev/pf";
#endif /* __rtems__ */
char *ifaceopt;
char *tableopt;
const char *tblcmdopt;
@ -212,29 +220,53 @@ static const struct {
{ NULL, NULL }
};
#ifndef __rtems__
static const char *clearopt_list[] = {
#else /* __rtems__ */
static const char * const clearopt_list[] = {
#endif /* __rtems__ */
"nat", "queue", "rules", "Sources",
"states", "info", "Tables", "osfp", "all", NULL
};
#ifndef __rtems__
static const char *showopt_list[] = {
#else /* __rtems__ */
static const char * const showopt_list[] = {
#endif /* __rtems__ */
"nat", "queue", "rules", "Anchors", "Sources", "states", "info",
"Interfaces", "labels", "timeouts", "memory", "Tables", "osfp",
"all", NULL
};
#ifndef __rtems__
static const char *tblcmdopt_list[] = {
#else /* __rtems__ */
static const char * const tblcmdopt_list[] = {
#endif /* __rtems__ */
"kill", "flush", "add", "delete", "load", "replace", "show",
"test", "zero", "expire", NULL
};
#ifndef __rtems__
static const char *debugopt_list[] = {
#else /* __rtems__ */
static const char * const debugopt_list[] = {
#endif /* __rtems__ */
"none", "urgent", "misc", "loud", NULL
};
#ifndef __rtems__
static const char *optiopt_list[] = {
#else /* __rtems__ */
static const char * const optiopt_list[] = {
#endif /* __rtems__ */
"none", "basic", "profile", NULL
};
#ifdef __rtems__
static const int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT };
#endif /* __rtems__ */
void
usage(void)
@ -978,7 +1010,9 @@ pfctl_show_nat(int dev, int opts, char *anchorname)
{
struct pfioc_rule pr;
u_int32_t mnr, nr;
#ifndef __rtems__
static int nattype[3] = { PF_NAT, PF_RDR, PF_BINAT };
#endif /* __rtems__ */
int i, dotitle = opts & PF_OPT_SHOWALL;
memset(&pr, 0, sizeof(pr));
@ -2001,7 +2035,11 @@ pfctl_show_anchors(int dev, int opts, char *anchorname)
}
const char *
#ifndef __rtems__
pfctl_lookup_option(char *cmd, const char **list)
#else /* __rtems__ */
pfctl_lookup_option(char *cmd, const char * const *list)
#endif /* __rtems__ */
{
if (cmd != NULL && *cmd)
for (; *list; list++)

13
freebsd/contrib/pf/pfctl/pfctl_altq.c
View File

@ -1073,18 +1073,31 @@ sc_x2y(struct service_curve *sc, double x)
#define R2S_BUFS 8
#define RATESTR_MAX 16
#ifdef __rtems__
static char r2sbuf[R2S_BUFS][RATESTR_MAX]; /* ring bufer */
static int r2sidx = 0;
#endif /* __rtems__ */
char *
rate2str(double rate)
{
char *buf;
#ifndef __rtems__
static char r2sbuf[R2S_BUFS][RATESTR_MAX]; /* ring bufer */
static int idx = 0;
#endif /* __rtems__ */
int i;
static const char unit[] = " KMG";
#ifndef __rtems__
buf = r2sbuf[idx++];
if (idx == R2S_BUFS)
idx = 0;
#else /* __rtems__ */
buf = r2sbuf[r2sidx++];
if (r2sidx == R2S_BUFS)
r2sidx = 0;
#endif /* __rtems__ */
for (i = 0; rate >= 1000 && i <= 3; i++)
rate /= 1000;

25
freebsd/contrib/pf/pfctl/pfctl_optimize.c
View File

@ -206,6 +206,10 @@ struct pf_rule_field {
PF_RULE_FIELD(min_ttl, NEVER),
PF_RULE_FIELD(set_tos, NEVER),
};
#ifdef __rtems__
static int pf_opt_create_table_num;
static int add_opt_table_num = 0;
#endif /* __rtems__ */
@ -1228,7 +1232,9 @@ add_opt_table(struct pfctl *pf, struct pf_opt_tbl **tbl, sa_family_t af,
#ifdef OPT_DEBUG
char buf[128];
#endif /* OPT_DEBUG */
#ifndef __rtems__
static int tablenum = 0;
#endif /* __rtems__ */
struct node_host node_host;
if (*tbl == NULL) {
@ -1241,7 +1247,11 @@ add_opt_table(struct pfctl *pf, struct pf_opt_tbl **tbl, sa_family_t af,
/* This is just a temporary table name */
snprintf((*tbl)->pt_name, sizeof((*tbl)->pt_name), "%s%d",
#ifndef __rtems__
PF_OPT_TABLE_PREFIX, tablenum++);
#else /* __rtems__ */
PF_OPT_TABLE_PREFIX, add_opt_table_num++);
#endif /* __rtems__ */
DEBUG("creating table <%s>", (*tbl)->pt_name);
}
@ -1277,7 +1287,6 @@ add_opt_table(struct pfctl *pf, struct pf_opt_tbl **tbl, sa_family_t af,
return (0);
}
/*
* Do the dirty work of choosing an unused table name and creating it.
* (be careful with the table name, it might already be used in another anchor)
@ -1285,7 +1294,9 @@ add_opt_table(struct pfctl *pf, struct pf_opt_tbl **tbl, sa_family_t af,
int
pf_opt_create_table(struct pfctl *pf, struct pf_opt_tbl *tbl)
{
#ifndef __rtems__
static int tablenum;
#endif /* __rtems__ */
struct pfr_table *t;
if (table_buffer.pfrb_type == 0) {
@ -1308,9 +1319,17 @@ pf_opt_create_table(struct pfctl *pf, struct pf_opt_tbl *tbl)
/* Now we have to pick a table name that isn't used */
again:
DEBUG("translating temporary table <%s> to <%s%x_%d>", tbl->pt_name,
#ifndef __rtems__
PF_OPT_TABLE_PREFIX, table_identifier, tablenum);
#else /* __rtems__ */
PF_OPT_TABLE_PREFIX, table_identifier, pf_opt_create_table_num);
#endif /* __rtems__ */
snprintf(tbl->pt_name, sizeof(tbl->pt_name), "%s%x_%d",
#ifndef __rtems__
PF_OPT_TABLE_PREFIX, table_identifier, tablenum);
#else /* __rtems__ */
PF_OPT_TABLE_PREFIX, table_identifier, pf_opt_create_table_num);
#endif /* __rtems__ */
PFRB_FOREACH(t, &table_buffer) {
if (strcasecmp(t->pfrt_name, tbl->pt_name) == 0) {
/* Collision. Try again */
@ -1320,7 +1339,11 @@ again:
goto again;
}
}
#ifndef __rtems__
tablenum++;
#else /* __rtems__ */
pf_opt_create_table_num++;
#endif /* __rtems__ */
if (pfctl_define_table(tbl->pt_name, PFR_TFLAG_CONST, 1,

11
freebsd/contrib/pf/pfctl/pfctl_osfp.c
View File

@ -1010,7 +1010,18 @@ get_field(char **line, size_t *len, int *fieldlen)
const char *
print_ioctl(struct pf_osfp_ioctl *fp)
{
#ifndef __rtems__
static char buf[1024];
#else /* __rtems__ */
/* Note on RTEMS port:
* This buffer is static. So normally it would have to be initialized to
* zero every time the program starts. But in this special case it is
* set to zero inside the function. Therefore it is not necessary to
* move it. If it would be moved out of the function, the name would
* have to be changed. This would be a lot of change in this function!
*/
static char buf[1024];
#endif /* __rtems__ */
char tmp[32];
int i, opt;

11
freebsd/contrib/pf/pfctl/pfctl_parser.c
View File

@ -78,7 +78,11 @@ struct node_host *host_v4(const char *, int);
struct node_host *host_v6(const char *, int);
struct node_host *host_dns(const char *, int, int);
#ifndef __rtems__
const char *tcpflags = "FSRPAUEW";
#else /* __rtems__ */
const char * const tcpflags = "FSRPAUEW";
#endif /* __rtems__ */
static const struct icmptypeent icmp_type[] = {
{ "echoreq", ICMP_ECHO },
@ -483,10 +487,17 @@ print_pool(struct pf_pool *pool, u_int16_t p1, u_int16_t p2,
printf(" static-port");
}
#ifndef __rtems__
const char *pf_reasons[PFRES_MAX+1] = PFRES_NAMES;
const char *pf_lcounters[LCNT_MAX+1] = LCNT_NAMES;
const char *pf_fcounters[FCNT_MAX+1] = FCNT_NAMES;
const char *pf_scounters[FCNT_MAX+1] = FCNT_NAMES;
#else /* __rtems__ */
const char * const pf_reasons[PFRES_MAX+1] = PFRES_NAMES;
const char * const pf_lcounters[LCNT_MAX+1] = LCNT_NAMES;
const char * const pf_fcounters[FCNT_MAX+1] = FCNT_NAMES;
const char * const pf_scounters[FCNT_MAX+1] = FCNT_NAMES;
#endif /* __rtems__ */
void
print_status(struct pf_status *s, int opts)

6
freebsd/contrib/pf/pfctl/pfctl_qstats.c
View File

@ -69,6 +69,10 @@ struct pf_altq_node {
struct queue_stats qstats;
};
#ifdef __rtems__
static u_int32_t last_ticket;
#endif /* __rtems__ */
int pfctl_update_qstats(int, struct pf_altq_node **);
void pfctl_insert_altq_node(struct pf_altq_node **,
const struct pf_altq, const struct queue_stats);
@ -139,7 +143,9 @@ pfctl_update_qstats(int dev, struct pf_altq_node **root)
struct pfioc_qstats pq;
u_int32_t mnr, nr;
struct queue_stats qstats;
#ifndef __rtems__
static u_int32_t last_ticket;
#endif /* __rtems__ */
memset(&pa, 0, sizeof(pa));
memset(&pq, 0, sizeof(pq));

9
freebsd/contrib/pf/pfctl/pfctl_radix.c
View File

@ -403,7 +403,11 @@ pfi_get_ifaces(const char *filter, struct pfi_kif *buf, int *size)
/* buffer management code */
#ifndef __rtems__
size_t buf_esize[PFRB_MAX] = { 0,
#else /* __rtems__ */
const size_t buf_esize[PFRB_MAX] = { 0,
#endif /* __rtems__ */
sizeof(struct pfr_table), sizeof(struct pfr_tstats),
sizeof(struct pfr_addr), sizeof(struct pfr_astats),
sizeof(struct pfi_kif), sizeof(struct pfioc_trans_e)
@ -536,10 +540,15 @@ pfr_buf_load(struct pfr_buffer *b, char *file, int nonetwork,
return (rv);
}
#ifdef __rtems__
static char next_ch = ' ';
#endif /* __rtems__ */
int
pfr_next_token(char buf[BUF_SIZE], FILE *fp)
{
#ifndef __rtems__
static char next_ch = ' ';
#endif /* __rtems__ */
int i = 0;
for (;;) {