/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */ #include "mysys_priv.h" #include <m_string.h> /* Functions definied in this file */ uint dirname_length(const char *name) { register my_string pos,gpos; #ifdef FN_DEVCHAR if ((pos=(char*)strrchr(name,FN_DEVCHAR)) == 0) #endif pos=(char*) name-1; gpos= pos++; for ( ; *pos ; pos++) /* Find last FN_LIBCHAR */ if (*pos == FN_LIBCHAR || *pos == '/' #ifdef FN_C_AFTER_DIR || *pos == FN_C_AFTER_DIR || *pos == FN_C_AFTER_DIR_2 #endif ) gpos=pos; return ((uint) (uint) (gpos+1-(char*) name)); } /* Gives directory part of filename. Directory ends with '/' */ /* Returns length of directory part */ uint dirname_part(my_string to, const char *name) { uint length; DBUG_ENTER("dirname_part"); DBUG_PRINT("enter",("'%s'",name)); length=dirname_length(name); convert_dirname(to, name, name+length); DBUG_RETURN(length); } /* dirname */ /* Convert directory name to use under this system If MSDOS converts '/' to '\' If VMS converts '<' to '[' and '>' to ']' Adds a FN_LIBCHAR to end if the result string if there isn't one and the last isn't dev_char. Copies data from 'from' until ASCII(0) for until from == from_end If you want to use the whole 'from' string, just send NullS as the last argument. If the result string is larger than FN_REFLEN -1, then it's cut. Returns pointer to end \0 */ #ifndef FN_DEVCHAR #define FN_DEVCHAR '\0' /* For easier code */ #endif char *convert_dirname(char *to, const char *from, const char *from_end) { char *to_org=to; /* We use -2 here, becasue we need place for the last FN_LIBCHAR */ if (!from_end || (from_end - from) > FN_REFLEN-2) from_end=from+FN_REFLEN -2; #if FN_LIBCHAR != '/' || defined(FN_C_BEFORE_DIR_2) { while (*from && *from != end) { if (*from == '/') *to++= FN_LIBCHAR; #ifdef FN_C_BEFORE_DIR_2 else if (*from == FN_C_BEFORE_DIR_2) *to++= FN_C_BEFORE_DIR; else if (*from == FN_C_AFTER_DIR_2) *to++= FN_C_AFTER_DIR; #endif else *to++= *from++; } } #else /* This is ok even if to == from, becasue we need to cut the string */ to= strmake(to, from, (uint) (from_end-from)); #endif /* Add FN_LIBCHAR to the end of directory path */ if (to != to_org && (to[-1] != FN_LIBCHAR && to[-1] != FN_DEVCHAR)) { *to++=FN_LIBCHAR; *to=0; } #ifdef FN_UPPER_CASE caseup_str(to_org); #endif #ifdef FN_LOWER_CASE casedn_str(to_org); #endif return to; /* Pointer to end of dir */ } /* convert_dirname */