thread.c File Reference

#include "c.h"
#include <pwd.h>

Include dependency graph for thread.c:

Go to the source code of this file.

Functions
static int	pqGetpwuid (uid_t uid, struct passwd *resultbuf, char *buffer, size_t buflen, struct passwd **result)
bool	pg_get_user_name (uid_t user_id, char *buffer, size_t buflen)
bool	pg_get_user_home_dir (uid_t user_id, char *buffer, size_t buflen)

Function Documentation

pg_get_user_home_dir()

bool pg_get_user_home_dir	(	uid_t	user_id,
		char *	buffer,
		size_t	buflen
	)

Definition at line 121 of file thread.c.

{
    char        pwdbuf[BUFSIZ];
    struct passwd pwdstr;
    struct passwd *pw = NULL;
    int         pwerr;
 
    pwerr = pqGetpwuid(user_id, &pwdstr, pwdbuf, sizeof(pwdbuf), &pw);
    if (pw != NULL)
    {
        strlcpy(buffer, pw->pw_dir, buflen);
        return true;
    }
    if (pwerr != 0)
        snprintf(buffer, buflen,
                 _("could not look up local user ID %d: %s"),
                 (int) user_id,
                 strerror_r(pwerr, pwdbuf, sizeof(pwdbuf)));
    else
        snprintf(buffer, buflen,
                 _("local user with ID %d does not exist"),
                 (int) user_id);
    return false;
}

References _, pqGetpwuid(), snprintf, strerror_r, and strlcpy().

Referenced by get_home_path(), and pqGetHomeDirectory().

pg_get_user_name()

bool pg_get_user_name	(	uid_t	user_id,
		char *	buffer,
		size_t	buflen
	)

Definition at line 85 of file thread.c.

{
    char        pwdbuf[BUFSIZ];
    struct passwd pwdstr;
    struct passwd *pw = NULL;
    int         pwerr;
 
    pwerr = pqGetpwuid(user_id, &pwdstr, pwdbuf, sizeof(pwdbuf), &pw);
    if (pw != NULL)
    {
        strlcpy(buffer, pw->pw_name, buflen);
        return true;
    }
    if (pwerr != 0)
        snprintf(buffer, buflen,
                 _("could not look up local user ID %d: %s"),
                 (int) user_id,
                 strerror_r(pwerr, pwdbuf, sizeof(pwdbuf)));
    else
        snprintf(buffer, buflen,
                 _("local user with ID %d does not exist"),
                 (int) user_id);
    return false;
}

References _, pqGetpwuid(), snprintf, strerror_r, and strlcpy().

Referenced by pg_fe_getusername().

pqGetpwuid()

static int pqGetpwuid ( uid_t  uid, struct passwd *  resultbuf, char *  buffer, size_t  buflen, struct passwd **  result  )

static

Definition at line 63 of file thread.c.

{
#if defined(FRONTEND) && defined(ENABLE_THREAD_SAFETY) && defined(HAVE_GETPWUID_R)
    return getpwuid_r(uid, resultbuf, buffer, buflen, result);
#else
    /* no getpwuid_r() available, just use getpwuid() */
    errno = 0;
    *result = getpwuid(uid);
    /* paranoia: ensure we return zero on success */
    return (*result == NULL) ? errno : 0;
#endif
}

Referenced by pg_get_user_home_dir(), and pg_get_user_name().