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Refactor IdCTypes unit for improved compatibility #18

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Refactor IdCTypes unit for improved compatibility #18

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Refactor IdCTypes unit for improved compatibility
xjikka Jan 13, 2026
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xjikka Jan 13, 2026
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12 changes: 12 additions & 0 deletions Lib/System/IdCTypes.pas
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Original file line number Diff line number Diff line change
Expand Up @@ -296,10 +296,22 @@ TIdC_TM = record
tm_wday: TIdC_INT; (* day of the week, range 0 to 6 *)
tm_yday: TIdC_INT; (* day in the year, range 0 to 365 *)
tm_isdst: TIdC_INT; (* daylight saving time *)
{$IFDEF LINUX}
// xjikka 20260112 glibc struct tm extension:
// ASN1_TIME_to_tm() writes a full glibc struct tm (tm_gmtoff, tm_zone).
// Without these fields TIdC_TM is too small, causing stack corruption
// (e.g. invalid X509 ValidFrom/ValidTo values) on Linux targets.
// This is especially visible with FPC cross-compilation to Linux/ARM
// (e.g. Raspberry Pi), where X509 ValidFrom/ValidTo values become invalid.
tm_gmtoff: TIdC_LONG; // seconds east of UTC
tm_zone: PAnsiChar; // timezone abbreviation
{$ENDIF}
end;
PIdC_TM = ^TIdC_TM;
PPIdC_TM = ^PIdC_TM;

implementation

end.