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35 lines
647 B
C
35 lines
647 B
C
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/* _[v]snprintf() from msvcrt.dll might not nul terminate */
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/* OpenWatcom-provided versions seem to behave the same... */
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#if defined(_WIN32) || defined(__WATCOMC__)
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#include <stdarg.h>
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#include <stdio.h>
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#undef snprintf
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#undef vsnprintf
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int libxmp_vsnprintf(char *str, size_t sz, const char *fmt, va_list ap)
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{
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int rc = _vsnprintf(str, sz, fmt, ap);
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if (sz != 0) {
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if (rc < 0) rc = (int)sz;
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if ((size_t)rc >= sz) str[sz - 1] = '\0';
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}
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return rc;
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}
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int libxmp_snprintf (char *str, size_t sz, const char *fmt, ...)
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{
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va_list ap;
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int rc;
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va_start (ap, fmt);
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rc = _vsnprintf(str, sz, fmt, ap);
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va_end (ap);
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return rc;
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}
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#endif
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