Correct constness of a few variables.
This allows the compiler / linker to mark affected pages as read-only. There's other cases, but they're a bit more invasive, and should go through some review. These are easy. They were found with objdump -j .data -t src/backend/postgres|awk '{print $4, $5, $6}'|sort -r|less Discussion: https://postgr.es/m/20181015200754.7y7zfuzsoux2c4ya@alap3.anarazel.de
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@ -85,7 +85,7 @@ typedef enum
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} event_trigger_command_tag_check_result;
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/* XXX merge this with ObjectTypeMap? */
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static event_trigger_support_data event_trigger_support[] = {
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static const event_trigger_support_data event_trigger_support[] = {
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{"ACCESS METHOD", true},
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{"AGGREGATE", true},
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{"CAST", true},
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@ -282,7 +282,7 @@ static event_trigger_command_tag_check_result
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check_ddl_tag(const char *tag)
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{
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const char *obtypename;
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event_trigger_support_data *etsd;
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const event_trigger_support_data *etsd;
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/*
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* Handle some idiosyncratic special cases.
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@ -560,7 +560,7 @@ struct ConnectionOption
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*
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* The list is small - don't bother with bsearch if it stays so.
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*/
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static struct ConnectionOption libpq_conninfo_options[] = {
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static const struct ConnectionOption libpq_conninfo_options[] = {
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{"authtype", ForeignServerRelationId},
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{"service", ForeignServerRelationId},
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{"user", UserMappingRelationId},
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@ -587,7 +587,7 @@ static struct ConnectionOption libpq_conninfo_options[] = {
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static bool
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is_conninfo_option(const char *option, Oid context)
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{
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struct ConnectionOption *opt;
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const struct ConnectionOption *opt;
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for (opt = libpq_conninfo_options; opt->optname; opt++)
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if (context == opt->optcontext && strcmp(opt->optname, option) == 0)
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@ -622,7 +622,7 @@ postgresql_fdw_validator(PG_FUNCTION_ARGS)
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if (!is_conninfo_option(def->defname, catalog))
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{
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struct ConnectionOption *opt;
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const struct ConnectionOption *opt;
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StringInfoData buf;
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/*
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@ -170,7 +170,7 @@ static int Lock_AF_UNIX(char *unixSocketDir, char *unixSocketPath);
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static int Setup_AF_UNIX(char *sock_path);
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#endif /* HAVE_UNIX_SOCKETS */
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static PQcommMethods PqCommSocketMethods = {
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static const PQcommMethods PqCommSocketMethods = {
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socket_comm_reset,
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socket_flush,
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socket_flush_if_writable,
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@ -181,7 +181,7 @@ static PQcommMethods PqCommSocketMethods = {
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socket_endcopyout
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};
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PQcommMethods *PqCommMethods = &PqCommSocketMethods;
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const PQcommMethods *PqCommMethods = &PqCommSocketMethods;
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WaitEventSet *FeBeWaitSet;
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@ -36,7 +36,7 @@ static void mq_putmessage_noblock(char msgtype, const char *s, size_t len);
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static void mq_startcopyout(void);
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static void mq_endcopyout(bool errorAbort);
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static PQcommMethods PqCommMqMethods = {
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static const PQcommMethods PqCommMqMethods = {
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mq_comm_reset,
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mq_flush,
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mq_flush_if_writable,
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@ -190,7 +190,7 @@ static const char *excludeFiles[] =
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/*
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* List of files excluded from checksum validation.
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*/
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static const char *noChecksumFiles[] = {
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static const char *const noChecksumFiles[] = {
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"pg_control",
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"pg_filenode.map",
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"pg_internal.init",
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@ -1321,7 +1321,7 @@ sendDir(const char *path, int basepathlen, bool sizeonly, List *tablespaces,
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static bool
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is_checksummed_file(const char *fullpath, const char *filename)
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{
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const char **f;
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const char *const *f;
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/* Check that the file is in a tablespace */
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if (strncmp(fullpath, "./global/", 9) == 0 ||
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@ -23,7 +23,7 @@ print $h $autogen;
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print $h "/* there is deliberately not an #ifndef LWLOCKNAMES_H here */\n\n";
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print $c $autogen, "\n";
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print $c "char *MainLWLockNames[] = {";
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print $c "const char *const MainLWLockNames[] = {";
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while (<$lwlocknames>)
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{
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@ -39,13 +39,13 @@ static const char *
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num_word(Cash value)
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{
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static char buf[128];
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static const char *small[] = {
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static const char *const small[] = {
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"zero", "one", "two", "three", "four", "five", "six", "seven",
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"eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen",
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"fifteen", "sixteen", "seventeen", "eighteen", "nineteen", "twenty",
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"thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety"
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};
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const char **big = small + 18;
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const char *const *big = small + 18;
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int tu = value % 100;
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/* deal with the simple cases first */
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@ -33,7 +33,7 @@ typedef struct
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void (*endcopyout) (bool errorAbort);
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} PQcommMethods;
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extern PGDLLIMPORT PQcommMethods *PqCommMethods;
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extern const PGDLLIMPORT PQcommMethods *PqCommMethods;
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#define pq_comm_reset() (PqCommMethods->comm_reset())
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#define pq_flush() (PqCommMethods->flush())
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@ -88,7 +88,7 @@ typedef union LWLockMinimallyPadded
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} LWLockMinimallyPadded;
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extern PGDLLIMPORT LWLockPadded *MainLWLockArray;
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extern char *MainLWLockNames[];
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extern const char *const MainLWLockNames[];
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/* struct for storing named tranche information */
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typedef struct NamedLWLockTranche
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