The following code compiles without warnings or errors:
#include <assert.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <odp_cpumask.h>
void test(odp_cpumask_t mask)
{
/* Start with a small value so that a retry will be forced */
size_t len = 1;
char *str;
for (;;) {
ssize_t out;
str = malloc(len);
if (str == NULL)
perror("malloc"), exit(EXIT_FAILURE);
out = odp_cpumask_to_str(&mask, str, len);
if (out > 0) /* success */
break;
/* failure, try with the recommended buffer size */
free(str);
len = -out;
}
/* do something with str */
free(str);
}
void test2(odp_cpumask_t mask)
{
char *str;
size_t len;
ssize_t out;
/* Call with zero-length buffer, this will fail and return required
* buffer size */
len = -odp_cpumask_to_str(&mask, NULL, 0);
str = malloc(len);
if (str == NULL)
perror("malloc"), exit(EXIT_FAILURE);
out = odp_cpumask_to_str(&mask, str, len);
assert(out > 0);
/* do something with str */
free(str);
}
ssize_t odp_cpumask_to_str(const odp_cpumask_t *mask, char *buf, ssize_t bufsz);
gcc -c -std=c99 -W -Wall -ansi -pedantic test.c -I
platform/linux-generic/include/api/
Am I missing any important compiler flags this time?
On 28 January 2015 at 13:32, Savolainen, Petri (NSN - FI/Espoo)
<[email protected]> wrote:
>> (maybe your audio was breaking on call yesterday on that part).
>> I have tested mixing size_t and ssize_t and neither gcc nor clang
>> complained. I was using -Wall -ansi -pedantic.
>
> Missing -W from there ? -Wall is not enough...
>
>
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