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Tom Lane 5afaa2e426 Rationalize code placement between wchar.c, encnames.c, and mbutils.c. ... Move all the backend-only code that'd crept into wchar.c and encnames.c into mbutils.c. To remove the last few #ifdef dependencies from wchar.c and encnames.c, also make the following changes: * Adjust get_encoding_name_for_icu to return NULL, not throw an error, for unsupported encodings. Its sole caller can perfectly well throw an error instead. (While at it, I also made this function and its sibling is_encoding_supported_by_icu proof against out-of-range encoding IDs.) * Remove the overlength-name error condition from pg_char_to_encoding. It's completely silly not to treat that just like any other the-name-is-not-in-the-table case. Also, get rid of pg_mic_mblen --- there's no obvious reason why conv.c shouldn't call pg_mule_mblen instead. Other than that, this is just code movement and comment-polishing with no functional changes. Notably, I reordered declarations in pg_wchar.h to show which functions are frontend-accessible and which are not. Discussion: https://postgr.es/m/CA+TgmoYO8oq-iy8E02rD8eX25T-9SmyxKWqqks5OMHxKvGXpXQ@mail.gmail.com		6 years ago
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pg_wchar.h	Rationalize code placement between wchar.c, encnames.c, and mbutils.c.	6 years ago
stringinfo_mb.h	Update copyrights for 2020	6 years ago