/* RCSid $Id: standard.h,v 2.30 2003/06/26 00:58:09 schorsch Exp $ */ /* * Miscellaneous definitions required by many routines. */ #ifndef _RAD_STANDARD_H_ #define _RAD_STANDARD_H_ #ifdef __cplusplus extern "C" { #endif #include "copyright.h" #include #include #include #include #include #include #include #include "tifftypes.h" #include "mat4.h" /* regular transformation */ typedef struct { MAT4 xfm; /* transform matrix */ RREAL sca; /* scalefactor */ } XF; /* complemetary tranformation */ typedef struct { XF f; /* forward */ XF b; /* backward */ } FULLXF; #ifndef PI #ifdef M_PI #define PI ((double)M_PI) #else #define PI 3.14159265358979323846 #endif #endif /* XXX include paths.h instead */ #ifndef F_OK /* mode bits for access(2) call */ #define R_OK 4 /* readable */ #define W_OK 2 /* writable */ #define X_OK 1 /* executable */ #define F_OK 0 /* exists */ #endif /* error codes */ #define WARNING 0 /* non-fatal error */ #define USER 1 /* fatal user-caused error */ #define SYSTEM 2 /* fatal system-related error */ #define INTERNAL 3 /* fatal program-related error */ #define CONSISTENCY 4 /* bad consistency check, abort */ #define COMMAND 5 /* interactive error */ #define NERRS 6 /* error struct */ extern struct erract { char pre[16]; /* prefix message */ void (*pf)(); /* put function (resettable) */ int ec; /* exit code (0 means non-fatal) */ } erract[NERRS]; /* list of error actions */ #define ERRACT_INIT { {"warning - ", wputs, 0}, \ {"fatal - ", eputs, 1}, \ {"system - ", eputs, 2}, \ {"internal - ", eputs, 3}, \ {"consistency - ", eputs, -1}, \ {"", NULL, 0} } extern char errmsg[]; /* global buffer for error messages */ #ifdef FASTMATH #define tcos cos #define tsin sin #define ttan tan #else /* table-based cosine approximation */ #define tsin(x) tcos((x)-(PI/2.)) #define ttan(x) (tsin(x)/tcos(x)) #endif /* custom version of assert(3) */ #define CHECK(be,et,em) if (be) error(et,em); else #ifdef DEBUG #define DCHECK CHECK #else #define DCHECK(be,et,em) (void)0 #endif /* memory operations */ #ifdef NOSTRUCTASS #define copystruct(d,s) bcopy((void *)(s),(void *)(d),sizeof(*(d))) #else #define copystruct(d,s) (*(d) = *(s)) #endif #ifndef BSD #define bcopy(s,d,n) (void)memcpy(d,s,n) #define bzero(d,n) (void)memset(d,0,n) #define bcmp(b1,b2,n) memcmp(b1,b2,n) #define index strchr #define rindex strrchr #endif /* is missing on some systems */ extern off_t lseek(int, off_t, int); #ifdef _WIN32 #define NIX 1 #endif #ifdef AMIGA #define NIX 1 #endif /* defined in badarg.c */ extern int badarg(int ac, char **av, char *fl); /* defined in bmalloc.c */ extern char *bmalloc(unsigned int n); extern void bfree(char *p, unsigned int n); /* defined in error.c */ extern void error(int etype, char *emsg); /* defined in expandarg.c */ extern int expandarg(int *acp, char ***avp, int n); /* defined in fdate.c */ extern time_t fdate(char *fname); extern int setfdate(char *fname, long ftim); /* defined in fgetline.c */ extern char *fgetline(char *s, int n, FILE *fp); /* defined in fgetval.c */ extern int fgetval(FILE *fp, int ty, char *vp); /* defined in fgetword.c */ extern char *fgetword(char *s, int n, FILE *fp); /* defined in fputword.c */ extern void fputword(char *s, FILE *fp); /* defined in fixargv0.c */ /*extern char *fixargv0(char *av0);*/ /* XXX include paths.h instead */ /* defined in fropen.c */ extern FILE *frlibopen(char *fname); /* defined in getlibpath.c */ extern char *getrlibpath(void); /* defined in getpath.c */ extern char *getpath(char *fname, char *searchpath, int mode); /* defined in portio.c */ extern void putstr(char *s, FILE *fp); extern void putint(long i, int siz, FILE *fp); extern void putflt(double f, FILE *fp); extern char *getstr(char *s, FILE *fp); extern long getint(int siz, FILE *fp); extern double getflt(FILE *fp); /* defined in process.c */ /* extern int open_process(int pd[3], char *av[]); extern int process(int pd[3], char *recvbuf, char *sendbuf, int nbr, int nbs); extern int close_process(int pd[3]); extern int readbuf(int fd, char *bpos, int siz); extern int writebuf(int fd, char *bpos, int siz); */ /* defined in rexpr.c */ extern int ecompile(char *sp, int iflg, int wflag); extern char *expsave(void); extern void expset(char *ep); extern char *eindex(char *sp); /* defined in savestr.c */ extern char *savestr(char *str); extern void freestr(char *s); extern int shash(char *s); /* defined in savqstr.c */ extern char *savqstr(char *s); extern void freeqstr(char *s); /* defined in tcos.c */ extern double tcos(double x); /* defined in wordfile.c */ extern int wordfile(char **words, char *fname); extern int wordstring(char **avl, char *str); /* defined in words.c */ extern char *atos(char *rs, int nb, char *s); extern char *nextword(char *cp, int nb, char *s); extern char *sskip(char *s); extern char *sskip2(char *s, int n); extern char *iskip(char *s); extern char *fskip(char *s); extern int isint(char *s); extern int isintd(char *s, char *ds); extern int isflt(char *s); extern int isfltd(char *s, char *ds); /* defined in xf.c */ extern int xf(XF *ret, int ac, char *av[]); extern int invxf(XF *ret, int ac, char *av[]); extern int fullxf(FULLXF *fx, int ac, char *av[]); /* defined in zeroes.c */ extern int quadtratic(double *r, double a, double b, double c); /* defined in dircode.c */ extern int32 encodedir(FVECT dv); extern void decodedir(FVECT dv, int32 dc); extern double dir2diff(int32 dc1, int32 dc2); extern double fdir2diff(int32 dc1, FVECT v2); /* defined in lamp.c */ extern float * matchlamp(char *s); extern int loadlamps(char *file); extern void freelamps(void); /* miscellaneous */ extern void eputs(char *s); extern void wputs(char *s); extern void quit(int code); #ifdef __cplusplus } #endif #endif /* _RAD_STANDARD_H_ */