On Thu, 21 Oct 1999, Brian Lavender wrote:
> Ok, I got it working thanks to Sean and Mike. Just a question. The man
> page for crypt says it returns a pointer to char, but when I compile it,
> it gives me a warning.
>
> brian@darkstar:~/src/C/c_files> gcc crypt_test.c -o crypt_test -lcrypt
> crypt_test.c: In function `main':
> crypt_test.c:18: warning: assignment makes pointer from integer without a cast
>
> Below is the form which I received the warning. I changed the char
> array that receives the result to a char pointer, so I wouldn't be
> taking unnecessary memory. Thanks mike for that note on the dynamic mem
> allocation with the crypt function.
>
> brian@darkstar:~/src/C/c_files> cat crypt_test.c
> /* Filename: crypt_test.c
> */
>
> #include <stdio.h>
> #define _XOPEN_SOURCE
> #include <unistd.h>
>
> int main (void)
> {
>
> char input[255];
> char *output;
> char salt[2]; /* need room for null in here */
/* you are coping 6 chars (do not forget about null) to a two byte
array :( */
> strcpy(salt,"abcde");
> strcpy(input,"My blue heaven");
>
> output = crypt(input, salt);
>
> printf("Hello crypt %s \n", output);
> }
>
> On Thu, Oct 21, 1999 at 05:44:12PM -0700, I originally wrote:
> > I am trying to get this simple C program to work and no go. What
> > am I doing wrong?
> >
> >
> > /* Filename: crypt_test.c
> > */
> >
> > #include <stdio.h>
> > #define _XOPEN_SOURCE
> > #include <unistd.h>
> >
> > int main (void)
> > {
> >
> > char input[255];
> > char output[255];
> > char salt[2];
> >
> > strcpy(salt,"ab");
> > strcpy(input,"My blue heaven");
> >
> > output = crypt(input, "AB");
> >
> > printf("Hello crypt %s \n", output);
> > }
>
> --
> Brian Lavender
> http://www.brie.com/brian/
>
Mike Machado
mike@innercite.com
InnerCite
Network Specialist
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