Celestin Apprentice 4/Apprentice-Release4.iso/Source Code/Add-Ons/MPW/MPW noweb 2.7/src/c/errors.h

C/C++ Source or Header | 1995-05-30 | 432 b | 8 lines | [TEXT/MPS ]

enum errorlevel { Normal=0, Warning, Error, Fatal, Impossible };
extern enum errorlevel errorlevel;
void errormsg(enum errorlevel level, char *s, ...);
#define overflow(S) errormsg(Fatal,"Capacity exceeded: %s", S)
#define impossible(S) errormsg(Impossible, "This can't happen: %s", S)
#define checkptr(P) do { if (!(P)) overflow("memory"); } while (0)
void errorat(char *filename, int lineno, enum errorlevel level, char *s, ...);