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Minor range check fixes

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@6295 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
richard 2000-03-17 08:49:46 +00:00
parent 5727555328
commit e1b32b96e9
3 changed files with 66 additions and 37 deletions
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52
Source/NSGCString.m
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@ -849,39 +849,51 @@ static inline void
stringIncrementCountAndMakeHoleAt(NSGMutableCStringStruct *self,
int index, int size)
{
if (size > 0)
{
if (self->_count > 0)
{
#ifndef STABLE_MEMCPY
{
unsigned i = self->_count;
unsigned i = self->_count;
while (i-- > index)
self->_contents_chars[i+size] = self->_contents_chars[i];
}
while (i-- > index)
{
self->_contents_chars[i+size] = self->_contents_chars[i];
}
#else
memcpy(self->_contents_chars + index,
self->_contents_chars + index + size,
self->_count - index);
memcpy(self->_contents_chars + index,
self->_contents_chars + index + size,
self->_count - index);
#endif /* STABLE_MEMCPY */
(self->_count) += size;
(self->_hash) = 0;
}
self->_count += size;
self->_hash = 0;
}
}
static inline void
stringDecrementCountAndFillHoleAt(NSGMutableCStringStruct *self,
int index, int size)
{
(self->_count) -= size;
if (size > 0)
{
self->_count -= size;
#ifndef STABLE_MEMCPY
{
int i;
for (i = index; i <= self->_count; i++)
self->_contents_chars[i] = self->_contents_chars[i+size];
}
{
int i;
for (i = index; i <= self->_count; i++)
{
self->_contents_chars[i] = self->_contents_chars[i+size];
}
}
#else
memcpy(self->_contents_chars + index + size,
self->_contents_chars + index,
self->_count - index);
memcpy(self->_contents_chars + index + size,
self->_contents_chars + index,
self->_count - index);
#endif /* STABLE_MEMCPY */
(self->_hash) = 0;
self->_hash = 0;
}
}
/* This is the designated initializer for this class */