27 lines
739 B
C
27 lines
739 B
C
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// 31 may 2019
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// only requires strsafe_header.h if you don't define sharedbitsStatic as static
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#include "start.h"
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#ifdef sharedbitsStatic
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sharedbitsStatic
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#endif
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int sharedbitsPrefixName(Vsnprintf)(char *s, size_t n, const char *fmt, va_list ap)
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{
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#ifdef _WIN32
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int ret;
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if (s == NULL && n == 0)
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return _vscprintf(fmt, ap);
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// TODO figure out how to disambiguate between encoding errors (returns negative value; does not have documented errno values), other errors (returns negative value; errno == EINVAL), and truncations (returns -1; does not have documented errno values)
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ret = vsnprintf_s(s, n, _TRUNCATE, fmt, ap);
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if (ret == -1)
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return n;
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return ret;
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#else
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return vsnprintf(s, n, fmt, ap);
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#endif
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}
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#include "end.h"
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