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Annotation of researchv10no/libc/stdio/snprintf.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * pANS stdio -- sprintf
        !             3:  */
        !             4: #include "iolib.h"
        !             5: int snprintf(char *buf, int len, const char *fmt, ...){
        !             6:        int n;
        !             7:        va_list args;
        !             8:        char *v;
        !             9: #ifdef V10
        !            10:        FILE _strbuf;
        !            11:        _strbuf._flag = _IOWRT+_IOSTRG;
        !            12:        _strbuf._ptr = (unsigned char *) buf;
        !            13:        _strbuf._cnt = len;
        !            14: #define f &_strbuf
        !            15: #define sclose(x) buf[n] = 0
        !            16: #else
        !            17:        FILE *f=sopenw();
        !            18:        if(f==NULL)
        !            19:                return 0;
        !            20:        setvbuf(f, buf, _IOFBF, len);
        !            21: #endif
        !            22:        va_start(args, fmt);
        !            23:        n=vfprintf(f, fmt, args);
        !            24:        va_end(args);
        !            25:        sclose(f);
        !            26:        return n;
        !            27: }

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