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-rw-r--r--src/backend/utils/adt/acl.c33
-rw-r--r--src/backend/utils/adt/pg_locale_libc.c24
-rw-r--r--src/backend/utils/adt/timestamp.c20
3 files changed, 47 insertions, 30 deletions
diff --git a/src/backend/utils/adt/acl.c b/src/backend/utils/adt/acl.c
index ca3c5ee3df3..1213f9106d5 100644
--- a/src/backend/utils/adt/acl.c
+++ b/src/backend/utils/adt/acl.c
@@ -135,6 +135,22 @@ static void RoleMembershipCacheCallback(Datum arg, int cacheid, uint32 hashvalue
/*
+ * Test whether an identifier char can be left unquoted in ACLs.
+ *
+ * Formerly, we used isalnum() even on non-ASCII characters, resulting in
+ * unportable behavior. To ensure dump compatibility with old versions,
+ * we now treat high-bit-set characters as always requiring quoting during
+ * putid(), but getid() will always accept them without quotes.
+ */
+static inline bool
+is_safe_acl_char(unsigned char c, bool is_getid)
+{
+ if (IS_HIGHBIT_SET(c))
+ return is_getid;
+ return isalnum(c) || c == '_';
+}
+
+/*
* getid
* Consumes the first alphanumeric string (identifier) found in string
* 's', ignoring any leading white space. If it finds a double quote
@@ -159,21 +175,22 @@ getid(const char *s, char *n, Node *escontext)
while (isspace((unsigned char) *s))
s++;
- /* This code had better match what putid() does, below */
for (;
*s != '\0' &&
- (isalnum((unsigned char) *s) ||
- *s == '_' ||
- *s == '"' ||
- in_quotes);
+ (in_quotes || *s == '"' || is_safe_acl_char(*s, true));
s++)
{
if (*s == '"')
{
+ if (!in_quotes)
+ {
+ in_quotes = true;
+ continue;
+ }
/* safe to look at next char (could be '\0' though) */
if (*(s + 1) != '"')
{
- in_quotes = !in_quotes;
+ in_quotes = false;
continue;
}
/* it's an escaped double quote; skip the escaping char */
@@ -207,10 +224,10 @@ putid(char *p, const char *s)
const char *src;
bool safe = true;
+ /* Detect whether we need to use double quotes */
for (src = s; *src; src++)
{
- /* This test had better match what getid() does, above */
- if (!isalnum((unsigned char) *src) && *src != '_')
+ if (!is_safe_acl_char(*src, false))
{
safe = false;
break;
diff --git a/src/backend/utils/adt/pg_locale_libc.c b/src/backend/utils/adt/pg_locale_libc.c
index e9f9fc1e369..8d88b53c375 100644
--- a/src/backend/utils/adt/pg_locale_libc.c
+++ b/src/backend/utils/adt/pg_locale_libc.c
@@ -457,7 +457,7 @@ strlower_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
/* Output workspace cannot have more codes than input bytes */
workspace = (wchar_t *) palloc((srclen + 1) * sizeof(wchar_t));
- char2wchar(workspace, srclen + 1, src, srclen, locale);
+ char2wchar(workspace, srclen + 1, src, srclen, loc);
for (curr_char = 0; workspace[curr_char] != 0; curr_char++)
workspace[curr_char] = towlower_l(workspace[curr_char], loc);
@@ -468,7 +468,7 @@ strlower_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
max_size = curr_char * pg_database_encoding_max_length();
result = palloc(max_size + 1);
- result_size = wchar2char(result, workspace, max_size + 1, locale);
+ result_size = wchar2char(result, workspace, max_size + 1, loc);
if (result_size + 1 > destsize)
return result_size;
@@ -552,7 +552,7 @@ strtitle_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
/* Output workspace cannot have more codes than input bytes */
workspace = (wchar_t *) palloc((srclen + 1) * sizeof(wchar_t));
- char2wchar(workspace, srclen + 1, src, srclen, locale);
+ char2wchar(workspace, srclen + 1, src, srclen, loc);
for (curr_char = 0; workspace[curr_char] != 0; curr_char++)
{
@@ -569,7 +569,7 @@ strtitle_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
max_size = curr_char * pg_database_encoding_max_length();
result = palloc(max_size + 1);
- result_size = wchar2char(result, workspace, max_size + 1, locale);
+ result_size = wchar2char(result, workspace, max_size + 1, loc);
if (result_size + 1 > destsize)
return result_size;
@@ -640,7 +640,7 @@ strupper_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
/* Output workspace cannot have more codes than input bytes */
workspace = (wchar_t *) palloc((srclen + 1) * sizeof(wchar_t));
- char2wchar(workspace, srclen + 1, src, srclen, locale);
+ char2wchar(workspace, srclen + 1, src, srclen, loc);
for (curr_char = 0; workspace[curr_char] != 0; curr_char++)
workspace[curr_char] = towupper_l(workspace[curr_char], loc);
@@ -651,7 +651,7 @@ strupper_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
max_size = curr_char * pg_database_encoding_max_length();
result = palloc(max_size + 1);
- result_size = wchar2char(result, workspace, max_size + 1, locale);
+ result_size = wchar2char(result, workspace, max_size + 1, loc);
if (result_size + 1 > destsize)
return result_size;
@@ -1130,7 +1130,7 @@ wcstombs_l(char *dest, const wchar_t *src, size_t n, locale_t loc)
* zero-terminated. The output will be zero-terminated iff there is room.
*/
size_t
-wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale)
+wchar2char(char *to, const wchar_t *from, size_t tolen, locale_t loc)
{
size_t result;
@@ -1160,7 +1160,7 @@ wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale)
}
else
#endif /* WIN32 */
- if (locale == (pg_locale_t) 0)
+ if (loc == (locale_t) 0)
{
/* Use wcstombs directly for the default locale */
result = wcstombs(to, from, tolen);
@@ -1168,7 +1168,7 @@ wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale)
else
{
/* Use wcstombs_l for nondefault locales */
- result = wcstombs_l(to, from, tolen, locale->info.lt);
+ result = wcstombs_l(to, from, tolen, loc);
}
return result;
@@ -1185,7 +1185,7 @@ wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale)
*/
size_t
char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen,
- pg_locale_t locale)
+ locale_t loc)
{
size_t result;
@@ -1220,7 +1220,7 @@ char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen,
/* mbstowcs requires ending '\0' */
char *str = pnstrdup(from, fromlen);
- if (locale == (pg_locale_t) 0)
+ if (loc == (locale_t) 0)
{
/* Use mbstowcs directly for the default locale */
result = mbstowcs(to, str, tolen);
@@ -1228,7 +1228,7 @@ char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen,
else
{
/* Use mbstowcs_l for nondefault locales */
- result = mbstowcs_l(to, str, tolen, locale->info.lt);
+ result = mbstowcs_l(to, str, tolen, loc);
}
pfree(str);
diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c
index 0a5848a4ab2..25cff56c3d0 100644
--- a/src/backend/utils/adt/timestamp.c
+++ b/src/backend/utils/adt/timestamp.c
@@ -5312,10 +5312,10 @@ isoweekdate2date(int isoweek, int wday, int *year, int *mon, int *mday)
int
date2isoweek(int year, int mon, int mday)
{
- float8 result;
int day0,
day4,
- dayn;
+ dayn,
+ week;
/* current day */
dayn = date2j(year, mon, mday);
@@ -5338,13 +5338,13 @@ date2isoweek(int year, int mon, int mday)
day0 = j2day(day4 - 1);
}
- result = (dayn - (day4 - day0)) / 7 + 1;
+ week = (dayn - (day4 - day0)) / 7 + 1;
/*
* Sometimes the last few days in a year will fall into the first week of
* the next year, so check for this.
*/
- if (result >= 52)
+ if (week >= 52)
{
day4 = date2j(year + 1, 1, 4);
@@ -5352,10 +5352,10 @@ date2isoweek(int year, int mon, int mday)
day0 = j2day(day4 - 1);
if (dayn >= day4 - day0)
- result = (dayn - (day4 - day0)) / 7 + 1;
+ week = (dayn - (day4 - day0)) / 7 + 1;
}
- return (int) result;
+ return week;
}
@@ -5367,10 +5367,10 @@ date2isoweek(int year, int mon, int mday)
int
date2isoyear(int year, int mon, int mday)
{
- float8 result;
int day0,
day4,
- dayn;
+ dayn,
+ week;
/* current day */
dayn = date2j(year, mon, mday);
@@ -5395,13 +5395,13 @@ date2isoyear(int year, int mon, int mday)
year--;
}
- result = (dayn - (day4 - day0)) / 7 + 1;
+ week = (dayn - (day4 - day0)) / 7 + 1;
/*
* Sometimes the last few days in a year will fall into the first week of
* the next year, so check for this.
*/
- if (result >= 52)
+ if (week >= 52)
{
day4 = date2j(year + 1, 1, 4);
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-13 04:37:29 +0000