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Michael Paquier 7a3972597f Fix out-of-bound memory access for interval -> char conversion ... Using Roman numbers (via "RM" or "rm") for a conversion to calculate a number of months has never considered the case of negative numbers, where a conversion could easily cause out-of-bound memory accesses. The conversions in themselves were not completely consistent either, as specifying 12 would result in NULL, but it should mean XII. This commit reworks the conversion calculation to have a more consistent behavior: - If the number of months and years is 0, return NULL. - If the number of months is positive, return the exact month number. - If the number of months is negative, do a backward calculation, with -1 meaning December, -2 November, etc. Reported-by: Theodor Arsenij Larionov-Trichkin Author: Julien Rouhaud Discussion: https://postgr.es/m/16953-f255a18f8c51f1d5@postgresql.org backpatch-through: 9.6		5 years ago
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backend	Fix out-of-bound memory access for interval -> char conversion	5 years ago
bin	Fix typos and grammar in documentation and code comments	5 years ago
common	Refactor HMAC implementations	5 years ago
fe_utils	Allow psql's \df and \do commands to specify argument types.	5 years ago
include	Add macro PGWARNING, and make PGERROR available on all platforms.	5 years ago
interfaces	Suppress length of Notice/Error msgs in PQtrace regress mode	5 years ago
makefiles	…
pl	Remove extra increment of plpgsql's statement counter for FOR loops.	5 years ago
port	Move bsearch_arg to src/port	5 years ago
template	Further tweaking of PG_SYSROOT heuristics for macOS.	5 years ago
test	Fix out-of-bound memory access for interval -> char conversion	5 years ago
timezone	Update time zone data files to tzdata release 2021a.	5 years ago
tools	Allow TRUNCATE command to truncate foreign tables.	5 years ago
tutorial	doc: Prefer explicit JOIN syntax over old implicit syntax in tutorial	5 years ago
.gitignore	…
DEVELOPERS	…
Makefile	Remove the option to build thread_test.c outside configure.	5 years ago
Makefile.global.in	Update Unicode data to CLDR 39	5 years ago
Makefile.shlib	…
nls-global.mk	Add errhint_plural() function and make use of it	5 years ago