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euidaccess (3)
  • >> euidaccess (3) ( Linux man: Библиотечные вызовы )
  •  

    NAME

    euidaccess, eaccess - check effective user's permissions for a file
     
    

    SYNOPSIS

    #define _GNU_SOURCE
    #include <unistd.h>
    
    int euidaccess(const char *pathname, int mode);
    int eaccess(const char *pathname, int mode);
    
     

    DESCRIPTION

    Like access(2), euidaccess() checks permissions and existence of the file identified by its argument pathname. However, whereas access(2), performs checks using the real user and group identifiers of the process, euidaccess() uses the effective identifiers.

    mode is a mask consisting of one or more of R_OK, W_OK, X_OK and F_OK, with the same meanings as for access(2).

    eaccess() is a synonym for euidaccess(), provided for compatibility with some other systems.  

    RETURN VALUE

    On success (all requested permissions granted), zero is returned. On error (at least one bit in mode asked for a permission that is denied, or some other error occurred), -1 is returned, and errno is set appropriately.  

    ERRORS

    As for access(2).  

    VERSIONS

    The eaccess() function was added to glibc in version 2.4.  

    CONFORMING TO

    These functions are non-standard. Some other systems have an eaccess() function.  

    SEE ALSO

    access(2), chmod(2), chown(2), faccessat(2), open(2), setgid(2), setuid(2), stat(2), credentials(7), path_resolution(7)  

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    VERSIONS
    CONFORMING TO
    SEE ALSO
    COLOPHON


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