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Make fatal() a bit nicer.

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This commit is contained in:
Kris Maglione 2007-07-16 22:16:58 -04:00
parent 460ac864a1
commit f5da49e266
1 changed files with 18 additions and 11 deletions
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29
cmd/util.c
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@ -9,30 +9,37 @@
#include <util.h>
#include <fmt.h>
typedef struct VFmt VFmt;
struct VFmt {
const char *fmt;
va_list args;
};
#ifdef VARARGCK
# pragma varargck type "V" VFmt*
#endif
static int
Vfmt(Fmt *f) {
char *fmt;
va_list ap;
VFmt *vf;
int i;
fmt = va_arg(f->args, char*);
va_copy(ap, va_arg(f->args, va_list));
i = fmtvprint(f, fmt, ap);
va_end(ap);
vf = va_arg(f->args, VFmt*);
i = fmtvprint(f, vf->fmt, vf->args);
return i;
}
void
fatal(const char *fmt, ...) {
va_list ap;
VFmt fp;
fmtinstall('V', Vfmt);
fmtinstall('\001', Vfmt);
va_start(ap, fmt);
fprint(2, "%s: fatal: %V\n", argv0, fmt, ap);
va_end(ap);
fp.fmt = fmt;
va_start(fp.args, fmt);
fprint(2, "%s: fatal: %V\n", argv0, &fp);
va_end(fp.args);
exit(1);
}