root/libutil/makepath.c(96.html)

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DEFINITIONS

This source file includes following definitions.
  1. makepath

/*
 * Copyright (c) 1997, 1998, 1999, 2000
 *      Tama Communications Corporation
 *
 * This file is part of GNU GLOBAL.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifdef HAVE_CONFIG_H #include <config.h> #endif #ifdef HAVE_STRING_H #include <string.h> #else #include <strings.h> #endif #include "gparam.h" #include "die.h" #include "makepath.h" #include "strbuf.h" /* * makepath: make path from directory and file. * * i) dir directory(optional) * i) file file * i) suffix suffix(optional) * r) path * * It is necessary to note the usage of makepath(), because it returns * module local area. If makepath() is called again in the function which * is passed the return value of makepath(), then the value is overwritten. * This may cause the bug which is not understood easily. * You must not pass the return value except for the safe functions * described below. * * Here are safe functions. * o functions in standard C library. * o following libutil functions: * test(), dbop_open(), strlimcpy(), strbuf_puts(), die() */
const char * makepath(const char *dir, const char *file, const char *suffix) { STATIC_STRBUF(sb); int length; char sep = '/'; strbuf_clear(sb); if (dir != NULL) { if ((length = strlen(dir)) > MAXPATHLEN) die("path name too long. '%s'\n", dir); #if defined(_WIN32) || defined(__DJGPP__) /* follows native way. */
if (dir[0] == '\\' || dir[2] == '\\') sep = '\\'; #endif strbuf_puts(sb, dir); strbuf_unputc(sb, sep); strbuf_putc(sb, sep); } strbuf_puts(sb, file); if (suffix) { if (*suffix != '.') strbuf_putc(sb, '.'); strbuf_puts(sb, suffix); } if ((length = strlen(strbuf_value(sb))) > MAXPATHLEN) die("path name too long. '%s'\n", strbuf_value(sb)); return strbuf_value(sb); }

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