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General
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| Home > Appendixes > Standard C++ Implementation Definition > General | ||||
B.2 General
Describes general implementation-defined aspects of the Arm® C++ compiler and C++ library, as required by the ISO C++ Standard.
- How a diagnostic is identified (1.3.6).
Diagnostic messages that the compiler produces are of the form:
source-file:line-number:char-number: description [diagnostic-flag]
Here:
description- Is a text description of the error.
diagnostic-flag- Is an optional diagnostic flag of the form
–Wflag, only for messages that can be suppressed.
- Libraries in a freestanding implementation (1.4).
- Arm Compiler supports the C99 and the C++11 standard libraries.
- Bits in a byte (1.7).
- The number of bits in a byte is 8.
- What constitutes an interactive device (1.9).
- What constitutes an interactive device depends on the environment and what
the
_sys_isttyfunction reports. The standard I/O streamsstdin,stdout, andstderrare assumed to be interactive devices. They are line-buffered at program startup, regardless of what_sys_isttyreports for them. An exception is if they have been redirected on the command line.
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