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45 lines
776 B
C

#include <stdarg.h>
#include <sys/types.h>
#ifdef __MINGW32__
#include "windows.h"
#include <unistd.h>
struct iovec {
LPCVOID iov_base;
DWORD iov_len;
};
#else
#include <sys/uio.h>
#endif
#include "errmsg.h"
#include "str.h"
#include <string.h>
#include <errno.h>
extern int errmsg_cvt(struct iovec* x,const char* message, va_list a);
void errmsg_writesys(int fd,const char* message,va_list list) {
struct iovec x[25];
int i;
i=errmsg_cvt(x,message,list);
x[i-1].iov_base=": ";
x[i-1].iov_len=2;
x[i].iov_base=strerror(errno);
x[i].iov_len=str_len(x[i].iov_base);
x[i+1].iov_base="\n";
x[i+1].iov_len=1;
#ifdef __MINGW32__
{
int j;
for (j=0; j<i+2; ++j)
write(fd,x[j].iov_base,x[j].iov_len);
}
#else
writev(fd,x,i+2);
#endif
}