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myerror.cpp
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47 lines (35 loc) · 709 Bytes
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#ifndef _myerror_h
#define _myerror_h
/* Generic error message routines */
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
void error(char *fmt, ...)
{
char mesg[BUFSIZ];
va_list ap;
va_start(ap, fmt);
vsnprintf(mesg, sizeof(mesg), fmt, ap);
fputs(mesg, stderr);
va_end(ap);
}
void mesg(char *fmt, ...)
{
char mesg[BUFSIZ];
va_list ap;
va_start(ap, fmt);
vsnprintf(mesg, sizeof(mesg), fmt, ap);
fputs(mesg, stdout);
va_end(ap);
}
void myperror(char *msg)
{
char buffer[BUFSIZ];
if ( *msg ) {
snprintf(buffer, sizeof(buffer), "%s: %s\n", msg, strerror(errno));
error("%s", buffer);
} else
error((char *)strerror(errno));
}
#endif /* _myerror_h */