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31 lines
682 B
C
31 lines
682 B
C
#include <stdarg.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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#include "errmsg.h"
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#include "str.h"
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/* the people who defined stdarg.h need to be taken behind the barn and shot */
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int errmsg_cvt(struct iovec* x,const char* message, va_list a) {
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int i,j;
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j=0;
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if (argv0) {
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x[0].iov_base=(char*)argv0;
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x[0].iov_len=str_len(argv0);
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x[1].iov_base=": ";
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x[1].iov_len=2;
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j=2;
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}
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x[j].iov_base=(char*)message; x[j].iov_len=str_len(message); ++j;
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for (i=0; j<22; ++i) {
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const char* t=va_arg(a,const char*);
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if (!t) break;
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x[j].iov_base=(char*)t;
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x[j].iov_len=str_len(t);
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++j;
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}
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x[j].iov_base="\n";
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x[j].iov_len=1;
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return j+1;
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}
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