alexhudson
45 lines
1017 B
C
45 lines
1017 B
C
static const char ident[] = "$Id: sprintf.osf.c,v 1.2 2002/11/21 16:13:10 legoater Exp $";
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/* Includes
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******************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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/******************************************************************************/
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extern int snprintf(char* s, size_t maxlen, const char* fmt, ...)
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{
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int len;
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va_list args;
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va_start(args, fmt);
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len = vsnprintf(s, maxlen, fmt, args);
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va_end(args);
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return len;
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}
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/******************************************************************************/
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extern int vsnprintf(char* s, size_t maxlen, const char* fmt, va_list args)
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{
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int len;
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FILE f;
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if (maxlen == 0)
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return 0;
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memset(&f, 0, sizeof(f));
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f._flag = _IOWRT + _IOSTRG;
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f._bufsiz = f._cnt = maxlen - 1;
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f._base = f._ptr = (unsigned char*) s;
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f._bufendp = f._base + f._bufsiz;
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len = vfprintf(&f, fmt, args);
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*f._ptr = '\0';
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return len;
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}
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