/* readlink.c - Return string representation of a symbolic link. * * Copyright 2007 Rob Landley <rob@landley.net> USE_READLINK(NEWTOY(readlink, "<1>1fenq[-fe]", TOYFLAG_BIN)) config READLINK bool "readlink" default y help usage: readlink FILE With no options, show what symlink points to, return error if not symlink. Options for producing cannonical paths (all symlinks/./.. resolved): -e cannonical path to existing entry (fail if missing) -f full path (fail if directory missing) -n no trailing newline -q quiet (no output, just error code) */ #define FOR_readlink #include "toys.h" void readlink_main(void) { char *s; // Calculating full cannonical path? if (toys.optflags & (FLAG_f|FLAG_e)) s = xabspath(*toys.optargs, toys.optflags & FLAG_e); else s = xreadlink(*toys.optargs); if (s) { if (!(toys.optflags & FLAG_q)) xprintf((toys.optflags & FLAG_n) ? "%s" : "%s\n", s); if (CFG_TOYBOX_FREE) free(s); } else toys.exitval = 1; }