| Problem from system.c and main.c [message #1750753] |
Wed, 28 December 2016 06:53  |
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Hi,
Take a look this problem and suggest me what to do,
..\startup\sysmem.c:62:1: error: unknown type name 'caddr_t'
caddr_t _sbrk(int incr)
^
..\startup\sysmem.c: In function '_sbrk':
..\startup\sysmem.c:75:11: error: 'caddr_t' undeclared (first use in this function)
return (caddr_t) -1;
^
..\startup\sysmem.c:75:11: note: each undeclared identifier is reported only once for each function it appears in
..\startup\sysmem.c:80:19: error: expected ';' before 'prev_heap_end'
return (caddr_t) prev_heap_end;
^
..\startup\sysmem.c:66:8: warning: variable 'prev_heap_end' set but not used [-Wunused-but-set-variable]
char *prev_heap_end;
^
..\startup\sysmem.c:81:1: warning: control reaches end of non-void function [-Wreturn-type]
}[/code]
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| Re: Problem from system.c and main.c [message #1750792 is a reply to message #1750761] |
Thu, 29 December 2016 02:46  |
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Quote:You really need to learn to distinguish CDT related problems from others.
Give me a source to study.
Quote:You should stop expecting us to do what you have admitted to being paid to do for you.
Nobody knows everything for sure. question I am asking would be tough or unsolicited or irrelevant to you. The reason I am asking that it might familiar with you anyhow. Besides I am seriously trying but feeling difficulties for my shortage of C knowledge !
Quote:Wherever you are getting this code, it is obviously incomplete if it is referring to non-standard types without defining them.
Fine, you mean that who made this code might be incomplete or its not well defined ? 
Quote:But then you may be using it in an unintended way. You really should be addressing your to the provider of this code or with the goal of addressing these types of .
I must say, its a good suggestion, lets make a id there. 
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| Re: Problem from system.c and main.c [message #1750819 is a reply to message #1750792] |
Thu, 29 December 2016 12:02 |
David Vavra
Messages: 1417
Registered: October 2012 |
Senior Member |
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Sorry if this is hurting your feelings but you need to understand that Eclipse is only an intermediary. It lets you edit files (its primary purpose); optionally builds the recipes in the make files; runs make for you when you request a build; and optionally will provide an interface with the debugger -- nothing more. It doesn't modify your code except when you deliberately edit. It doesn't cause compile errors. It doesn't compile the code. It won't cause type and class definitions to disappear.
Quote:The reason I am asking that it might familiar with you anyhow. Besides I am seriously trying but feeling difficulties for my shortage of C knowledge !
This forum is meant for only CDT problems and specific questions about using CDT. Anything else is an abuse. The forum is not meant for teaching programming; explaining the executable build process using C/C++; explaining how to use external tools such as the compiler and linker; answering general code questions; or otherwise holding your hand. Many of your questions have been way off topic. Stop blaming Eclipse for problems with your code. Isolate the problem first. Try building without using Eclipse. Any errors you get then have nothing to do with Eclipse and you should seek resolution elsewhere.
[Updated on: Thu, 29 December 2016 12:04] Report message to a moderator |
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