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dbghelp: Correctly handle the absence of IPI stream.

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Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
This commit is contained in:
Eric Pouech 2022-09-09 17:06:04 +02:00 committed by Alexandre Julliard
parent 1c5491555b
commit 12f2a1768c
1 changed files with 6 additions and 4 deletions
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10
dlls/dbghelp/msc.c
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@ -3119,15 +3119,15 @@ static void pdb_module_remove(struct process* pcsn, struct module_format* modfmt
HeapFree(GetProcessHeap(), 0, modfmt);
}
static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
static BOOL pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
{
memset(types, 0, sizeof(PDB_TYPES));
if (!image) return;
if (!image) return FALSE;
if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
{
/* Old version of the types record header */
const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
memset(types, 0, sizeof(PDB_TYPES));
types->version = old->version;
types->type_offset = sizeof(PDB_TYPES_OLD);
types->type_size = old->type_size;
@ -3140,6 +3140,7 @@ static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
/* New version of the types record header */
*types = *(const PDB_TYPES*)image;
}
return TRUE;
}
static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
@ -3255,7 +3256,8 @@ static BOOL pdb_init_type_parse(const struct msc_debug_info* msc_dbg,
ctp->offset = NULL;
ctp->hash = NULL;
ctp->alloc_hash = NULL;
pdb_convert_types_header(&ctp->header, image);
if (!pdb_convert_types_header(&ctp->header, image))
return FALSE;
/* Check for unknown versions */
switch (ctp->header.version)