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Tom Lane 9ae2661fe1 Tighten checks for whitespace in functions that parse identifiers etc. ... This patch replaces isspace() calls with scanner_isspace() in functions that are likely to be presented with non-ASCII input. isspace() has the small advantage that it will correctly recognize no-break space in single-byte encodings (such as LATIN1); but it cannot work successfully for any multibyte character, and depending on platform it might return false positive results for some fragments of multibyte characters. That's disastrous for functions that are trying to discard whitespace between valid strings, as noted in bug #14662 from Justin Muise. Even treating no-break space as whitespace is pretty questionable for the usages touched here, because the core scanner would think it is an identifier character. Affected functions are parse_ident(), parseNameAndArgTypes (underlying regprocedurein() and siblings), SplitIdentifierString (used for parsing GUCs and options that are qualified names or lists of names), and SplitDirectoriesString (used for parsing GUCs that are lists of directories). All the functions adjusted here are parsing SQL identifiers and similar constructs, so it's reasonable to insist that their definition of whitespace match the core scanner. So we can hope that this won't cause many backwards-compatibility problems. I've left alone isspace() calls in places that aren't really expecting any non-ASCII input characters, such as float8in(). Back-patch to all supported branches. Discussion: https://postgr.es/m/10129.1495302480@sss.pgh.pa.us		9 years ago
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backend	Tighten checks for whitespace in functions that parse identifiers etc.	9 years ago
bin	pg_upgrade: Handle hash index upgrades more smoothly.	9 years ago
common	Post-PG 10 beta1 pgperltidy run	9 years ago
fe_utils	Allow psql variable substitution to occur in backtick command strings.	9 years ago
include	Post-PG 10 beta1 pgindent run	9 years ago
interfaces	Verify that the server constructed the SCRAM nonce correctly.	9 years ago
makefiles	Try to fix non-MSVC Windows builds in the wake of logical replication.	9 years ago
pl	Post-PG 10 beta1 pgperltidy run	9 years ago
port	Post-PG 10 beta1 pgindent run	9 years ago
template	Remove "sco" and "unixware" ports.	9 years ago
test	Fix precision and rounding issues in money multiplication and division.	9 years ago
timezone	Guard against null t->tm_zone in strftime.c.	9 years ago
tools	Update URLs in pgindent source and README	9 years ago
tutorial	Recommend wrappers of PG_DETOAST_DATUM_PACKED().	9 years ago
.gitignore	…
DEVELOPERS	…
Makefile	Remove redundant coverage target	9 years ago
Makefile.global.in	Specify --outputdir for isolation install check, not just plain check.	9 years ago
Makefile.shlib	Remove support for bcc and msvc standalone libpq builds	9 years ago
nls-global.mk	…