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/* This file is part of the svarlang project and is published under the terms
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* of the MIT license.
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*
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* Copyright (C) 2021-2023 Mateusz Viste
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "svarlang.h"
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int svarlang_autoload_nlspath(const char *progname) {
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const char *lang;
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const char *nlspath;
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char buff[128];
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unsigned short i;
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/* read and validate LANG */
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lang = getenv("LANG");
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if ((lang == NULL) || (lang[0] == 0) || (lang[1] == 0)) return(-1);
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/* read and validate NLSPATH */
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nlspath = getenv("NLSPATH");
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if (nlspath == NULL) return(-2);
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/* look into every path in NLSPATH */
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while (*nlspath != 0) {
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/* skip any leading ';' separators */
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while (*nlspath == ';') nlspath++;
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if (*nlspath == 0) return(-3);
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/* copy nlspath to buff and remember len */
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for (i = 0; (nlspath[i] != 0) && (nlspath[i] != ';'); i++) buff[i] = nlspath[i];
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nlspath += i;
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/* add a trailing backslash if there is none (non-empty paths empty) */
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if ((i > 0) && (buff[i - 1] != '\\')) buff[i++] = '\\';
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strcpy(buff + i, progname);
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strcat(buff + i, ".lng");
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if (svarlang_load(buff, lang) == 0) return(0);
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}
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/* failed to load anything */
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return(-4);
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}
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