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C - How to sheck if a path exists?
Post 302496053 by homeboy on Saturday 12th of February 2011 02:27:45 AM
02-12-2011
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LEARN ABOUT SUSE
eaccess
EUIDACCESS(3) Linux Programmer's Manual EUIDACCESS(3) 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 nonstandard. 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 3.25 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/. 2007-07-26 EUIDACCESS(3)