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Get rid of scribbling on a const variable in psql's print.c.
Commit a2dabf0e1d
had the bright idea that it could modify a "const"
global variable if it merely casted away const from a pointer. This does
not work on platforms where the compiler puts "const" variables into
read-only storage. Depressingly, we evidently have no such platforms in
our buildfarm ... an oversight I have now remedied. (The one platform
that is known to catch this is recent OS X with -fno-common.)
Per report from Chris Ruprecht. Back-patch to 9.5 where the bogus
code was introduced.
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@ -98,7 +98,7 @@ const printTextFormat pg_asciiformat_old =
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};
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/* Default unicode linestyle format */
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const printTextFormat pg_utf8format;
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printTextFormat pg_utf8format;
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typedef struct unicodeStyleRowFormat
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{
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@ -3410,7 +3410,7 @@ get_line_style(const printTableOpt *opt)
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void
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refresh_utf8format(const printTableOpt *opt)
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{
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printTextFormat *popt = (printTextFormat *) &pg_utf8format;
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printTextFormat *popt = &pg_utf8format;
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const unicodeStyleBorderFormat *border;
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const unicodeStyleRowFormat *header;
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@ -164,7 +164,7 @@ typedef struct printQueryOpt
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extern const printTextFormat pg_asciiformat;
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extern const printTextFormat pg_asciiformat_old;
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extern const printTextFormat pg_utf8format;
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extern printTextFormat pg_utf8format; /* ideally would be const, but... */
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extern void disable_sigpipe_trap(void);
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