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/* vi: set sw=4 ts=4:
*
* readlink.c - Return string representation of a symbolic link.
*
* Copyright 2007 Rob Landley <rob@landley.net>
*
* Not in SUSv3.
config READLINK
bool "readlink"
default n
help
usage: readlink
Show what a symbolic link points to.
config READLINK_F
bool "readlink -f"
default n
depends on READLINK
help
usage: readlink [-f]
-f Show full cannonical path, with no symlinks in it. Returns
nonzero if nothing could currently exist at this location.
*/
#include "toys.h"
void readlink_main(void)
{
char *s;
// Calculating full cannonical path?
if (CFG_READLINK_F && toys.optflags) s = realpath(*toys.optargs, NULL);
else s = xreadlink(*toys.optargs);
if (s) {
xputs(s);
if (CFG_TOYBOX_FREE) free(s);
} else toys.exitval = 1;
}
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