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apps//examples/uid/uid_main.c: Corrections/updates from futher testing.

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This commit is contained in:
Gregory Nutt 2019-08-04 14:38:07 -06:00
parent 1fc73b2d45
commit eef399b369
1 changed files with 40 additions and 12 deletions
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52
examples/uid/uid_main.c
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@ -39,12 +39,19 @@
#include <nuttx/config.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pwd.h>
#include <grp.h>
/****************************************************************************
* Pre-processor definitions
****************************************************************************/
#define IOBUFFER_SIZE (196)
/****************************************************************************
* Private Functions
****************************************************************************/
@ -84,10 +91,31 @@ static void show_pwd(FAR struct passwd *pwd)
static void show_grp(FAR struct group *grp)
{
printf("Name: %s\n", grp->gr_name);
printf("Passwd: %d\n", grp->gr_passwd);
printf("GID: %d\n", grp->gr_gid);
printf("Mem: %s\n", grp->gr_mem);
printf("Name: %s\n", grp->gr_name);
printf("Passwd: %s\n", grp->gr_passwd);
printf("GID: %d\n", grp->gr_gid);
printf("Members: ");
if (grp->gr_mem != NULL)
{
bool first = true;
int i;
for (i = 0; grp->gr_mem[i] != NULL; i++)
{
if (first)
{
printf("%s", grp->gr_mem[i]);
first = false;
}
else
{
printf(", %s", grp->gr_mem[i]);
}
}
putchar('\n');
}
}
/****************************************************************************
@ -98,10 +126,10 @@ static void show_user_by_id(uid_t uid)
{
FAR struct passwd *result;
struct passwd pwd;
char buffer[80];
char buffer[IOBUFFER_SIZE];
int ret;
ret = getpwuid_r(uid, &pwd, buffer, 80, &result);
ret = getpwuid_r(uid, &pwd, buffer, IOBUFFER_SIZE, &result);
if (ret != 0)
{
fprintf(stderr, "ERPOR: getpwuid_r failed: %d\n", ret);
@ -124,10 +152,10 @@ static void show_user_by_name(FAR const char *uname)
{
FAR struct passwd *result;
struct passwd pwd;
char buffer[80];
char buffer[IOBUFFER_SIZE];
int ret;
ret = getpwnam_r(uname, &pwd, buffer, 80, &result);
ret = getpwnam_r(uname, &pwd, buffer, IOBUFFER_SIZE, &result);
if (ret != 0)
{
fprintf(stderr, "ERPOR: getpwnam_r failed: %d\n", ret);
@ -150,10 +178,10 @@ static void show_group_by_id(gid_t gid)
{
FAR struct group *result;
struct group grp;
char buffer[80];
char buffer[IOBUFFER_SIZE];
int ret;
ret = getgrgid_r(gid, &grp, buffer, 80, &result);
ret = getgrgid_r(gid, &grp, buffer, IOBUFFER_SIZE, &result);
if (ret != 0)
{
fprintf(stderr, "ERPOR: getgrgid_r failed: %d\n", ret);
@ -176,10 +204,10 @@ static void show_group_by_name(FAR const char *gname)
{
FAR struct group *result;
struct group grp;
char buffer[80];
char buffer[IOBUFFER_SIZE];
int ret;
ret = getgrnam_r(gname, &grp, buffer, 80, &result);
ret = getgrnam_r(gname, &grp, buffer, IOBUFFER_SIZE, &result);
if (ret != 0)
{
fprintf(stderr, "ERPOR: getgrnam_r failed: %d\n", ret);