https://git.reactos.org/?p=reactos.git;a=commitdiff;h=d21ffe6336b327894a9f85daf0da7c6b0089e3b2
commit d21ffe6336b327894a9f85daf0da7c6b0089e3b2 Author: Hermès Bélusca-Maïto <[email protected]> AuthorDate: Fri Aug 2 23:32:30 2019 +0200 Commit: Hermès Bélusca-Maïto <[email protected]> CommitDate: Tue Aug 6 23:39:53 2019 +0200 [FREELDR] Add an INI helper that allows modifying an existing setting's value in memory. --- boot/freeldr/freeldr/include/inifile.h | 1 + boot/freeldr/freeldr/lib/inifile/inifile.c | 41 ++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/boot/freeldr/freeldr/include/inifile.h b/boot/freeldr/freeldr/include/inifile.h index 9bed7004d17..0bc8e60968a 100644 --- a/boot/freeldr/freeldr/include/inifile.h +++ b/boot/freeldr/freeldr/include/inifile.h @@ -81,4 +81,5 @@ BOOLEAN IniReadSettingByNumber(ULONG_PTR SectionId, ULONG SettingNumber, PCHA BOOLEAN IniReadSettingByName(ULONG_PTR SectionId, PCSTR SettingName, PCHAR Buffer, ULONG BufferSize); BOOLEAN IniAddSection(PCSTR SectionName, ULONG_PTR* SectionId); BOOLEAN IniAddSettingValueToSection(ULONG_PTR SectionId, PCSTR SettingName, PCSTR SettingValue); +BOOLEAN IniModifySettingValue(ULONG_PTR SectionId, PCSTR SettingName, PCSTR SettingValue); VOID IniCleanup(VOID); diff --git a/boot/freeldr/freeldr/lib/inifile/inifile.c b/boot/freeldr/freeldr/lib/inifile/inifile.c index ba1d5b214ec..fa231e8518d 100644 --- a/boot/freeldr/freeldr/lib/inifile/inifile.c +++ b/boot/freeldr/freeldr/lib/inifile/inifile.c @@ -289,3 +289,44 @@ BOOLEAN IniAddSettingValueToSection(ULONG_PTR SectionId, PCSTR SettingName, PCST return TRUE; } + +BOOLEAN IniModifySettingValue(ULONG_PTR SectionId, PCSTR SettingName, PCSTR SettingValue) +{ + PINI_SECTION Section = (PINI_SECTION)SectionId; + PINI_SECTION_ITEM SectionItem; + PCHAR NewItemValue; + + // Loop through each section item and find the one we want + SectionItem = CONTAINING_RECORD(Section->SectionItemList.Flink, INI_SECTION_ITEM, ListEntry); + while (&SectionItem->ListEntry != &Section->SectionItemList) + { + // Check to see if this is the setting we want + if (_stricmp(SectionItem->ItemName, SettingName) == 0) + { + break; + } + + // Nope, keep going + // Get the next section item in the list + SectionItem = CONTAINING_RECORD(SectionItem->ListEntry.Flink, INI_SECTION_ITEM, ListEntry); + } + // If the section item does not exist, create it + if (&SectionItem->ListEntry == &Section->SectionItemList) + { + return IniAddSettingValueToSection(SectionId, SettingName, SettingValue); + } + + // Reallocate the new setting value buffer + NewItemValue = FrLdrTempAlloc(strlen(SettingValue) + 1, TAG_INI_VALUE); + if (!NewItemValue) + { + // We failed, bail out + return FALSE; + } + FrLdrTempFree(SectionItem->ItemValue, TAG_INI_VALUE); + SectionItem->ItemValue = NewItemValue; + + strcpy(SectionItem->ItemValue, SettingValue); + + return TRUE; +}
