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Groups > comp.lang.c > #105980
| From | MehdiAmini <atorrses@gmail.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Two C code questions |
| Date | 2017-03-14 07:15 +0330 |
| Organization | A noiseless patient Spider |
| Message-ID | <oa7oru$rkf$1@dont-email.me> (permalink) |
// Clang version 3.8.0
// Question 1:
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
void my_alloc( void *, size_t );
int main(void)
{
unsigned *u_ptr = NULL;
//unsigned *u_ptr; // Why using this instead of above line causes
core dump?
my_alloc(u_ptr,sizeof(*u_ptr));
free(u_ptr);
return EXIT_SUCCESS;
}
void my_alloc( void *v_ptr, size_t size )
{
v_ptr = malloc(size);
if( v_ptr == NULL )
{
fprintf(stderr,"Memory allocation failed.\n");
exit(EXIT_FAILURE);
}
return ;
}
// Question 2:
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#define N 6
//static const long N = 6; // Why using this instead of above line
causes error?
int main(void)
{
uint64_t ui[N] = {0};
return EXIT_SUCCESS;
}
--
Farewell.
Back to comp.lang.c | Previous | Next — Next in thread | Find similar | Unroll thread
Two C code questions MehdiAmini <atorrses@gmail.com> - 2017-03-14 07:15 +0330
Re: Two C code questions Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2017-03-13 22:13 -0600
Re: Two C code questions Ian Collins <ian-news@hotmail.com> - 2017-03-14 17:16 +1300
Re: Two C code questions Ike Naar <ike@iceland.freeshell.org> - 2017-03-14 07:20 +0000
Re: Two C code questions MehdiAmini <atorrses@gmail.com> - 2017-03-14 12:01 +0330
Re: Two C code questions Ike Naar <ike@iceland.freeshell.org> - 2017-03-14 19:23 +0000
Re: Two C code questions Keith Thompson <kst-u@mib.org> - 2017-03-14 12:40 -0700
Re: Two C code questions scott@slp53.sl.home (Scott Lurndal) - 2017-03-14 12:44 +0000
Re: Two C code questions Keith Thompson <kst-u@mib.org> - 2017-03-14 08:53 -0700
Re: Two C code questions MehdiAmini <atorrses@gmail.com> - 2017-03-15 14:05 +0330
Re: Two C code questions John Bode <jfbode1029@gmail.com> - 2017-03-14 10:38 -0700
Re: Two C code questions Keith Thompson <kst-u@mib.org> - 2017-03-14 11:49 -0700
Re: Two C code questions John Bode <jfbode1029@gmail.com> - 2017-03-14 14:14 -0700
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