calloc()
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Hi I have used many times calloc().But this time it is going fail. What may be the reason when calloc() fails(return bad pointer) Thanx
manu
Can you show code, that is failing ?
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Can you show code, that is failing ?
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toxcct wrote:
has nothing to do in a C++ code.
Yes, But interesting to see, why he is facing problem. Strange that people expect help without giving sufficient information.
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manu_2205 wrote:
c++ VS2003
Why on earth would you need
calloc, then?
"We trained hard, but it seemed that every time we were beginning to form up into teams we would be reorganised. I was to learn later in life that we tend to meet any new situation by reorganising: and a wonderful method it can be for creating the illusion of progress, while producing confusion, inefficiency and demoralisation." -- Caius Petronius, Roman Consul, 66 A.D.
It may be a legacy product that has been ported to the new compiler.
"Approved Workmen Are Not Ashamed" - 2 Timothy 2:15
"Judge not by the eye but by the heart." - Native American Proverb
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Hi I have used many times calloc().But this time it is going fail. What may be the reason when calloc() fails(return bad pointer) Thanx
manu
There could be any nuber of reason why
calloc()would fail. At the point of failure, what values are being passed to it?
"Approved Workmen Are Not Ashamed" - 2 Timothy 2:15
"Judge not by the eye but by the heart." - Native American Proverb
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It may be a legacy product that has been ported to the new compiler.
"Approved Workmen Are Not Ashamed" - 2 Timothy 2:15
"Judge not by the eye but by the heart." - Native American Proverb
DavidCrow wrote:
It may be a legacy product that has been ported to the new compiler.
He would have told us that, right?:suss: But then, if he would have been really interested in help, he would have given us enough information to help him!:rolleyes:
"We trained hard, but it seemed that every time we were beginning to form up into teams we would be reorganised. I was to learn later in life that we tend to meet any new situation by reorganising: and a wonderful method it can be for creating the illusion of progress, while producing confusion, inefficiency and demoralisation." -- Caius Petronius, Roman Consul, 66 A.D.
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DavidCrow wrote:
It may be a legacy product that has been ported to the new compiler.
He would have told us that, right?:suss: But then, if he would have been really interested in help, he would have given us enough information to help him!:rolleyes:
"We trained hard, but it seemed that every time we were beginning to form up into teams we would be reorganised. I was to learn later in life that we tend to meet any new situation by reorganising: and a wonderful method it can be for creating the illusion of progress, while producing confusion, inefficiency and demoralisation." -- Caius Petronius, Roman Consul, 66 A.D.
jhwurmbach wrote:
He would have told us that, right?
Not necessarily.
jhwurmbach wrote:
But then, if he would have been really interested in help, he would have given us enough information to help him!
You are making assumptions. Plenty of folks may genuinely want help but may not know how to properly ask for it. The same can be said for folks that may genuinely want to provide help but may not know how to properly do it. ;)
"Approved Workmen Are Not Ashamed" - 2 Timothy 2:15
"Judge not by the eye but by the heart." - Native American Proverb
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ok, and tell me where you ask C question on CP elsewhere that this board ? :confused::~
Don't know where to start ?
Refer the Forums Guidelines and ask a friendThere is such a place: http//cboard.cprogramming.com --- Purely 'C'.
John P.
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Sometimes I wonder why you are a CP MVP. I work with a large amount of legacy C code that use malloc/calloc/realloc/free I cannot, will not change that because it works and has been working for the last few years. The question is valid, albeit not well "asked", in this forum.
Maximilien Lincourt Your Head A Splode - Strong Bad
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There is such a place: http//cboard.cprogramming.com --- Purely 'C'.
John P.
toxcct wrote:
ok, and tell me where you ask C question on CP elsewhere that this board ?
CP means Codeproject.
Don't know where to start ?
Refer the Forums Guidelines and ask a friend -
Hi I have used many times calloc().But this time it is going fail. What may be the reason when calloc() fails(return bad pointer) Thanx
manu
If it returns
NULL, it is a failure, like an out-of-memory or out-of-address-space condition. If it returns a non-NULLvalue, but things crash when you try to use it (i.e. it is truly invalid), then I would offer that the heap information used bycalloc(...)is messed up,or you are going too far with the pointer returned. Although, sincecalloc(...)has to actually touch the memory to initialize it to zero, it should crash within the call tocalloc(...)if the memory it allocated is really invalid. So, what do you mean by "returns bad pointer"? Peace!-=- James
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