Stefan Hajnoczi <stefa...@redhat.com> writes: > The error report function is preferred over fprintf(stderr, ...) since > it prints to the current monitor, if any. > > Add a stub error_report() implementation that just prints to stderr. > This is suitable in environments where there is no QEMU monitor, such as > libcacard. > > Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> > --- > stubs/Makefile.objs | 1 + > stubs/error-report.c | 12 ++++++++++++ > 2 files changed, 13 insertions(+) > create mode 100644 stubs/error-report.c > > diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs > index f306cba..f84d597 100644 > --- a/stubs/Makefile.objs > +++ b/stubs/Makefile.objs > @@ -3,6 +3,7 @@ stub-obj-y += clock-warp.o > stub-obj-y += cpu-get-clock.o > stub-obj-y += cpu-get-icount.o > stub-obj-y += dump.o > +stub-obj-y += error-report.o > stub-obj-y += fdset-add-fd.o > stub-obj-y += fdset-find-fd.o > stub-obj-y += fdset-get-fd.o > diff --git a/stubs/error-report.c b/stubs/error-report.c > new file mode 100644 > index 0000000..e39d0a9 > --- /dev/null > +++ b/stubs/error-report.c > @@ -0,0 +1,12 @@ > +#include <stdio.h> > +#include "qemu/error-report.h" > + > +void error_report(const char *fmt, ...) > +{ > + va_list ap; > + > + va_start(ap, fmt); > + vfprintf(stderr, fmt, ap); > + va_end(ap); > + fprintf(stderr, "\n"); > +}
We already have a monitor stubs (mon-set-error.c mon-printf.c ...) so we can use error_report() in utility programs. Why doesn't that suffice here?