File: xstrerror.h

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#ifndef _SQUID_COMPAT_XSTRERROR_H
#define _SQUID_COMPAT_XSTRERROR_H

#if HAVE_ERRNO_H
#include <errno.h>
#endif

/** strerror() wrapper replacement.
 *
 * Provides the guarantee that a string is always returned.
 * Where strerror() would have provided NULL this will report the error as unknown.
 */
#define xstrerror() xstrerr(errno)

/** Provide the textual display of a system error number.
 * A string is always returned.
 * On MS Windows the native Win32 errors are also translated.
 */
extern const char * xstrerr(int error);

#endif /* _SQUID_COMPAT_XSTRERROR_H */