C Language, Casting between int and pointer to char

Casting between int and pointer to char

Author	Message
Ryan Mallo #1 / 4	Casting between int and pointer to char Im working on a project that Im trying to keep as portable as possible. The following code works but is giving me a "assingment makes pointer from int without a cast" error. <code snippet> char s; int i; i = (int) s++; </code snippet> I dont understand why the cast I have used doesnt work. Shouldnt the value of *s++ be evaluated then cast to int and then assinged to the variable i? Thanks in advance. Ryan -- Who wants to remember that escape-x-alt-control-left shift-b puts you into super-edit-debug-compile mode? (Discussion in comp.os.linux.misc on the intuitiveness of commands, especially Emacs.) Ryan Mallon: Registered Linux user #282325
Mon, 09 May 2005 05:56:14 GMT

Gergo Baran #2 / 4	Casting between int and pointer to char Quote: > Im working on a project that Im trying to keep as portable as possible. The > following code works but is giving me a "assingment makes pointer from int > without a cast" error. > <code snippet> > char s; > int i; > i = (int) s++; > </code snippet> First: Post real, complete code, and post the real compiler diagnostic. This snippet doesn't seem to warrant the diagnostic you mentioned. Second: Only use casts if there is a real reason. There is no reason here because the integral promotions and the assignment operator take care of the appropriate conversions. Gergo -- You can create your own opportunities this week. Blackmail a senior executive.
Mon, 09 May 2005 06:12:37 GMT

Eric Sosma #3 / 4	Casting between int and pointer to char Quote: > Im working on a project that Im trying to keep as portable as possible. The > following code works but is giving me a "assingment makes pointer from int > without a cast" error. > <code snippet> > char s; > int i; > i = (int) s++; > </code snippet> > I dont understand why the cast I have used doesnt work. Shouldnt the value of > *s++ be evaluated then cast to int and then assinged to the variable i? There is no integer-to-pointer conversion in this code. Also, the cast you've written is unnecessary; the exact same effect would be obtained if you'd omitted it. Methinks you've snipped away the actual offender and presented us with an innocent bystander. --
Mon, 09 May 2005 06:22:49 GMT

v_sridha #4 / 4	Casting between int and pointer to char Are you sure this is piece of code where the compiler warning points to? I am not getting anything though. What you have done is this *s is first cast to int ( which is not required) and assigned to i.after that s is incremented to point to the next location. I am not sure if that is what you intended. -sridhar -- Posted via http://dbforums.com
Mon, 09 May 2005 06:45:09 GMT

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