27 lines
409 B
C
27 lines
409 B
C
/*
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* vfprintf.c
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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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#include <unistd.h>
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#define BUFFER_SIZE 32768
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int vfprintf(FILE * file, const char *format, va_list ap)
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{
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int rv;
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char buffer[BUFFER_SIZE];
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rv = vsnprintf(buffer, BUFFER_SIZE, format, ap);
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if (rv < 0)
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return rv;
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if (rv > BUFFER_SIZE - 1)
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rv = BUFFER_SIZE - 1;
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return _fwrite(buffer, rv, file);
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}
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