@sunny thanks, that post did clear the confusion. On Thu, Jun 16, 2011 at 8:17 PM, Navneet Gupta <[email protected]>wrote:
> Then i would suggest you give the original reference in such cases for > still better understanding :) > Be it a book or a website. > > > On Thu, Jun 16, 2011 at 8:13 PM, sunny agrawal <[email protected]>wrote: > >> yes copy pasting the exact thing :) >> for better understanding :) >> >> On Thu, Jun 16, 2011 at 8:06 PM, Navneet Gupta <[email protected]>wrote: >> >>> @Sunny, it is good that you follow Bruce Eckel, but copy pasting the >>> exact thing? :) >>> >>> >>> On Thu, Jun 16, 2011 at 7:34 PM, keyan karthi <[email protected] >>> > wrote: >>> >>>> "hi friends" is a string literal.. ie the string "hi friends" is stored >>>> somewhere and a pointer to its base address is returned to pointer p at the >>>> time of initialization... u can always make use of this pointer to traverse >>>> / access the "literal" but u cant "alter tat" in the code, u r trying to do >>>> a "++" operation, which throws a seg fault.... >>>> >>>> >>>> On Thu, Jun 16, 2011 at 2:16 PM, Kamakshii Aggarwal < >>>> [email protected]> wrote: >>>> >>>>> i still din't get the solution..please explain.. >>>>> >>>>> On 6/16/11, LALIT SHARMA <[email protected]> wrote: >>>>> > ++*p++ >>>>> > ==> >>>>> > ++(*p++) , >>>>> > increments the value stored at p , and also increments p . >>>>> > >>>>> > >>>>> > >>>>> > On Thu, Jun 16, 2011 at 1:10 PM, sunny agrawal >>>>> > <[email protected]>wrote: >>>>> > >>>>> >> The place where strict constness is not enforced is with character >>>>> >> array literals. You can say >>>>> >> char* cp = "howdy"; >>>>> >> and the compiler will accept it without complaint. This is >>>>> >> technically an error because a character array literal (“howdy” in >>>>> >> this case) is created by the compiler as a constant character array, >>>>> >> and the result of the quoted character array is its starting address >>>>> in >>>>> >> memory. Modifying any of the characters in the array is a runtime >>>>> >> error, although not all compilers enforce this correctly. >>>>> >> So character array literals are actually constant character arrays. >>>>> Of >>>>> >> course, the compiler lets you get away with treating them as >>>>> nonconst >>>>> >> because there’s so much existing C code that relies on this. >>>>> >> However, if you try to change the values in a character array >>>>> literal, >>>>> >> the behavior is undefined, although it will probably work on many >>>>> >> machines. >>>>> >> If you want to be able to modify the string, put it in an array: >>>>> >> char cp[] = "howdy"; >>>>> >> Since compilers often don’t enforce the difference you won’t be >>>>> >> reminded to use this latter form and so the point becomes rather >>>>> >> subtle. >>>>> >> >>>>> >> >>>>> >> On Thu, Jun 16, 2011 at 12:59 PM, amit kumar >>>>> >> <[email protected]>wrote: >>>>> >> >>>>> >>> //kk >>>>> >>> //In place of >>>>> >>> >>>>> >>> char *p="hai friends",*p1; >>>>> >>> if i declare as >>>>> >>> char p[]="hai friends"; >>>>> >>> char *p1; >>>>> >>> //then ?? >>>>> >>> >>>>> >>> >>>>> >>> On Thu, Jun 16, 2011 at 8:16 AM, DIPANKAR DUTTA < >>>>> >>> [email protected]> wrote: >>>>> >>> >>>>> >>>> It's ok.. >>>>> >>>> >>>>> >>>> char *p="hai friends"...not correct.... >>>>> >>>> >>>>> >>>> bcz you did allocate memory for that string but assiging poiter to >>>>> the >>>>> >>>> base address.. from where gcc will get the bse address of that >>>>> string >>>>> >>>> when u >>>>> >>>> r not actually allocate memory for it? thus it generate SIGSEG >>>>> signal >>>>> >>>> and >>>>> >>>> give invalid memory address...ie. segmentation fault >>>>> >>>> use malloc or use >>>>> >>>> char p[]=".."; >>>>> >>>> >>>>> >>>> >>>>> >>>> >>>>> >>>> >>>>> >>>> >>>>> >>>> >>>>> >>>> On Thu, Jun 16, 2011 at 4:49 AM, DK <[email protected]> >>>>> wrote: >>>>> >>>> >>>>> >>>>> Gives me a SEGFAULT on gcc. >>>>> >>>>> Probably due to undefined behaviour. >>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> DK >>>>> >>>>> >>>>> >>>>> http://twitter.com/divyekapoor >>>>> >>>>> http://www.divye.in >>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> You received this message because you are subscribed to the >>>>> Google >>>>> >>>>> Groups "Algorithm Geeks" group. >>>>> >>>>> To view this discussion on the web visit >>>>> >>>>> https://groups.google.com/d/msg/algogeeks/-/QVAjKMQiWvoJ. >>>>> >>>>> >>>>> >>>>> To post to this group, send email to [email protected]. >>>>> >>>>> To unsubscribe from this group, send email to >>>>> >>>>> [email protected]. >>>>> >>>>> For more options, visit this group at >>>>> >>>>> http://groups.google.com/group/algogeeks?hl=en. >>>>> >>>>> >>>>> >>>> >>>>> >>>> >>>>> >>>> >>>>> >>>> -- >>>>> >>>> Thanks and Regards, >>>>> >>>> ------------------------------ >>>>> >>>> *DIPANKAR DUTTA* >>>>> >>>> Visiting Research Scholar >>>>> >>>> Dept of Computing, >>>>> >>>> Macquarie University, Sydney, Australia >>>>> >>>> ph.no-+61 2 98509079 ( Mon-Fri 10:15-7:00) Sydney time >>>>> >>>> email: [email protected] >>>>> >>>> >>>>> >>>> >>>>> >>>> >>>>> >>>> -- >>>>> >>>> You received this message because you are subscribed to the Google >>>>> >>>> Groups >>>>> >>>> "Algorithm Geeks" group. >>>>> >>>> To post to this group, send email to [email protected]. >>>>> >>>> To unsubscribe from this group, send email to >>>>> >>>> [email protected]. >>>>> >>>> For more options, visit this group at >>>>> >>>> http://groups.google.com/group/algogeeks?hl=en. >>>>> >>>> >>>>> >>> >>>>> >>> -- >>>>> >>> You received this message because you are subscribed to the Google >>>>> Groups >>>>> >>> "Algorithm Geeks" group. >>>>> >>> To post to this group, send email to [email protected]. >>>>> >>> To unsubscribe from this group, send email to >>>>> >>> [email protected]. >>>>> >>> For more options, visit this group at >>>>> >>> http://groups.google.com/group/algogeeks?hl=en. >>>>> >>> >>>>> >> >>>>> >> >>>>> >> >>>>> >> -- >>>>> >> Sunny Aggrawal >>>>> >> B-Tech IV year,CSI >>>>> >> Indian Institute Of Technology,Roorkee >>>>> >> >>>>> >> >>>>> >> -- >>>>> >> You received this message because you are subscribed to the Google >>>>> Groups >>>>> >> "Algorithm Geeks" group. >>>>> >> To post to this group, send email to [email protected]. >>>>> >> To unsubscribe from this group, send email to >>>>> >> [email protected]. >>>>> >> For more options, visit this group at >>>>> >> http://groups.google.com/group/algogeeks?hl=en. >>>>> >> >>>>> > >>>>> > >>>>> > >>>>> > -- >>>>> > Lalit Kishore Sharma, >>>>> > >>>>> > IIIT Allahabad (Amethi Capmus), >>>>> > 6th Sem. >>>>> > >>>>> > -- >>>>> > You received this message because you are subscribed to the Google >>>>> Groups >>>>> > "Algorithm Geeks" group. >>>>> > To post to this group, send email to [email protected]. >>>>> > To unsubscribe from this group, send email to >>>>> > [email protected]. >>>>> > For more options, visit this group at >>>>> > http://groups.google.com/group/algogeeks?hl=en. >>>>> > >>>>> > >>>>> >>>>> >>>>> -- >>>>> Regards, >>>>> Kamakshi >>>>> [email protected] >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Algorithm Geeks" group. >>>>> To post to this group, send email to [email protected]. >>>>> To unsubscribe from this group, send email to >>>>> [email protected]. >>>>> For more options, visit this group at >>>>> http://groups.google.com/group/algogeeks?hl=en. >>>>> >>>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Algorithm Geeks" group. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>> [email protected]. >>>> For more options, visit this group at >>>> http://groups.google.com/group/algogeeks?hl=en. >>>> >>> >>> >>> >>> -- >>> --Navneet >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Algorithm Geeks" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]. >>> For more options, visit this group at >>> http://groups.google.com/group/algogeeks?hl=en. >>> >> >> >> >> -- >> Sunny Aggrawal >> B-Tech IV year,CSI >> Indian Institute Of Technology,Roorkee >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > > > -- > --Navneet > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- Regards, Arpit Sood -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
