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Trabalhar com Memória , crash

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 #include <stdio.h>
 char * memset2 (char v[],char ch, int n);

 int main()
    char *v = "PaP Programar";
    char ch = 'A';
    int n = 3; 
    printf("A string alterada é: %s \n",memset2(v,ch,n));

 char * memset2 (char v[],char ch, int n)
        int i;
        for (i=0; i<n;i++)
            v[i] = ch;
        return v;

output: http://prntscr.com/or6w63

Boa tarde Caríssimos  :),

o programa que estou a trabalhar crasha e não sei como resolver.


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Se fizeres printf da variável 'v', o que mostra na linah de comandos?

Kurt Cobain - Grunge misses you

Nissan GT-R - beast killer

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a variável v contem um ponteiro para uma região de memória da qual não podes alterar (a string "PaP Programar")

quando vais tentar atribuir o caracter ch à posição v[i ], tens o problema que referes.

  • Vote 1

IRC : sim, é algo que ainda existe >> #p@p

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