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4805b60ccf
* libc/string/strerror.c (strerror): Split body into... (_strerror_r): ...new reentrant function. * libc/string/u_strerr.c (_user_strerror): Update signature. * libc/include/stdio.h (_strerror_r): New prototype. * libc/posix/collate.c (__collate_err): Adjust callers. * libc/stdio/perror.c (_perror_r): Likewise. * libc/string/strerror_r.c (strerror_r): Likewise. * libc/string/xpg_strerror_r.c (__xpg_strerror_r): Likewise.
27 lines
513 B
C
27 lines
513 B
C
/* POSIX variant of strerror_r. */
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#undef __STRICT_ANSI__
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#include <errno.h>
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#include <string.h>
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int
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_DEFUN (__xpg_strerror_r, (errnum, buffer, n),
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int errnum _AND
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char *buffer _AND
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size_t n)
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{
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char *error;
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int result = 0;
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if (!n)
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return ERANGE;
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error = _strerror_r (_REENT, errnum, 1, &result);
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if (strlen (error) >= n)
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{
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memcpy (buffer, error, n - 1);
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buffer[n - 1] = '\0';
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return ERANGE;
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}
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strcpy (buffer, error);
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return (result || *error) ? result : EINVAL;
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}
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