60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/* Return diagnostic string based on error code.
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Copyright (C) 2023-2024 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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/* Specification. */
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#include "xstrerror.h"
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#include <string.h>
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#include "xvasprintf.h"
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#include "xalloc.h"
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#include "gettext.h"
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#define _(msgid) gettext (msgid)
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char *
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xstrerror (const char *message, int errnum)
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{
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/* Get the internationalized description of errnum,
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in a stack-allocated buffer. */
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const char *errdesc;
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char errbuf[1024];
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#if !GNULIB_STRERROR_R_POSIX && STRERROR_R_CHAR_P
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errdesc = strerror_r (errnum, errbuf, sizeof errbuf);
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#else
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if (strerror_r (errnum, errbuf, sizeof errbuf) == 0)
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errdesc = errbuf;
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else
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errdesc = NULL;
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#endif
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if (errdesc == NULL)
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errdesc = _("Unknown system error");
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if (message != NULL)
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{
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/* Allow e.g. French translators to insert a space before the colon. */
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char *result = xasprintf (_("%s: %s"), message, errdesc);
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if (result == NULL)
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/* Probably a buggy translation. Use a safe fallback. */
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result = xasprintf ("%s%s%s", message, ": ", errdesc);
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return result;
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}
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else
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return xstrdup (errdesc);
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}
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