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| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Bachelor/Mikroprozessorsysteme2/ARM202U/INCLUDE/ERRNO.H | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Bachelor/Mikroprozessorsysteme2/ARM202U/INCLUDE/ERRNO.H')
| -rw-r--r-- | Bachelor/Mikroprozessorsysteme2/ARM202U/INCLUDE/ERRNO.H | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/INCLUDE/ERRNO.H b/Bachelor/Mikroprozessorsysteme2/ARM202U/INCLUDE/ERRNO.H new file mode 100644 index 0000000..1fdfbec --- /dev/null +++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/INCLUDE/ERRNO.H @@ -0,0 +1,49 @@ +#pragma force_top_level
+#pragma include_only_once
+
+/* errno.h: ANSI 'C' (X3J11 Oct 88) library header, section 4.1.3 */
+/* Copyright (C) Codemist Ltd., 1988 */
+/* Copyright (C) Advanced Risc Machines Ltd., 1991 */
+/* version 1 */
+
+#ifndef __errno_h
+#define __errno_h
+
+#ifndef errno
+# define errno __errno
+extern volatile int errno;
+ /*
+ * expands to a modifiable lvalue that has type volatile int, the value of
+ * which is set to a positive error code by several library functions. It is
+ * initialised to zero at program startup, but is never set to zero by any
+ * library function. The value of errno may be set to nonzero by a library
+ * function call whether or not there is an error, provided the use of errno
+ * is not documented in the description of the function in the Standard.
+ */
+#endif
+
+#define EDOM 1
+ /*
+ * if a domain error occurs (an input argument is outside the domain over
+ * which the mathematical function is defined) the integer expression errno
+ * acquires the value of the macro EDOM and HUGE_VAL is returned. EDOM may
+ * be used by non-mathematical functions.
+ */
+#define ERANGE 2
+ /*
+ * a range error occurs if the result of a function can not be represented
+ * as a double value. If the result overflows (the magnitude of the result
+ * is so large that it cannot be represented in an object of the specified
+ * type), the function returns the value of the macro HUGE_VAL, with the
+ * same sign as the correct value of the function; the integer expression
+ * errno acquires the value of the macro ERANGE. If the result underflows
+ * (the magnitude of the result is so small that it cannot be represented
+ * in an object of the specified type), the function returns zero; the
+ * integer expression errno acquires the value of the macro ERANGE. ERANGE
+ * may be used by non-mathematical functions.
+ */
+#define ESIGNUM 3
+
+#endif
+
+/* end of errno.h */
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