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dbghelp: Better support for OOM conditions when creating source file table.

oldstable
Eric Pouech 2011-01-08 14:15:25 +01:00 committed by Alexandre Julliard
parent c22eaccd15
commit cbd5811e90
1 changed files with 7 additions and 3 deletions
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10
dlls/dbghelp/source.c
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@ -73,27 +73,31 @@ unsigned source_new(struct module* module, const char* base, const char* name)
}
if (!module->sources || (ret = source_find(module, full)) == (unsigned)-1)
{
char* new;
int len = strlen(full) + 1;
if (module->sources_used + len + 1 > module->sources_alloc)
{
if (!module->sources)
{
module->sources_alloc = (module->sources_used + len + 1 + 255) & ~255;
module->sources = HeapAlloc(GetProcessHeap(), 0, module->sources_alloc);
new = HeapAlloc(GetProcessHeap(), 0, module->sources_alloc);
}
else
{
module->sources_alloc = max( module->sources_alloc * 2,
(module->sources_used + len + 1 + 255) & ~255 );
module->sources = HeapReAlloc(GetProcessHeap(), 0, module->sources,
module->sources_alloc);
new = HeapReAlloc(GetProcessHeap(), 0, module->sources,
module->sources_alloc);
}
if (!new) goto done;
module->sources = new;
}
ret = module->sources_used;
memcpy(module->sources + module->sources_used, full, len);
module->sources_used += len;
module->sources[module->sources_used] = '\0';
}
done:
HeapFree(GetProcessHeap(), 0, tmp);
return ret;
}