/*
** math.h
+**
+** evans 2002-07-03: updated from ISO C99 (http://www.vmunix.com/~gabor/c/draft.html)
*/
+typedef float float_t;
+typedef double double_t;
+
/*@constant double HUGE_VAL; @*/
+/*@constant float HUGE_VALF; @*/
+/*@constant long double HUGE_VALL; @*/
+
+/*@constant float INFINITY; @*/
+
+/*@constant float NAN; @*/
+ /*:warn implementationoptional "NAN is defined if and only if the implementation supports quiet float type NaNs.":*/ ;
+
+/*@constant int FP_INFINITE;@*/
+/*@constant int FP_NAN;@*/
+/*@constant int FP_NORMAL;@*/
+/*@constant int FP_SUBNORMAL;@*/
+/*@constant int FP_ZERO;@*/
+
+/*@constant int FP_ILOGB0;@*/
+/*@constant int FP_ILOGBNAN;@*/
+
+/*@constant int DECIMAL_DIG;@*/
+
+/* Defined for specs only - this type is any real type */
+typedef float /*@alt double, long double@*/ s_real_t;
+
+int fpclassify (/*@sef@*/ s_real_t) /*@*/ ;
+int signbit (/*@sef@*/ s_real_t) /*@*/ ;
+int isfinite (/*@sef@*/ s_real_t) /*@*/ ;
+int isnormal (/*@sef@*/ s_real_t) /*@*/ ;
+int isnan (/*@sef@*/ s_real_t) /*@*/ ;
+int isinf (/*@sef@*/ s_real_t) /*@*/ ;
/*
-** math functions that may have a range error modify errno
+** math functions that may have a range error modify errno (implementation defined).
*/
-double sin (double x) /*@*/ ;
-double cos (double x) /*@*/ ;
-double tan (double x) /*@*/ ;
-double asin (double x) /*@modifies errno@*/ ;
double acos (double x) /*@modifies errno@*/ ;
+double asin (double x) /*@modifies errno@*/ ;
double atan (double x) /*@*/ ;
double atan2 (double y, double x) /*@*/ ;
-double sinh (double x) /*@*/ ;
+
+double cos (double x) /*@*/ ;
+double sin (double x) /*@*/ ;
+double tan (double x) /*@*/ ;
+
double cosh (double x) /*@modifies errno@*/ ;
+double sinh (double x) /*@modifies errno@*/ ;
double tanh (double x) /*@*/ ;
+double acosh (double x) /*@modifies errno@*/ ;
+double asinh (double x) /*@modifies errno@*/ ;
+double atanh (double x) /*@modifies errno@*/ ;
+
double exp (double x) /*@modifies errno@*/ ;
-double ldexp (double x, int n) /*@modifies errno@*/ ;
double frexp (double x, /*@out@*/ int *xp) /*@modifies *xp;@*/ ;
+double ldexp (double x, int n) /*@modifies errno@*/ ;
double log (double x) /*@modifies errno@*/ ;
double log10 (double x) /*@modifies errno@*/ ;
+double modf (double x, /*@out@*/ double *ip) /*@modifies *ip;@*/ ;
+
+double exp2 (double x) /*@modifies errno@*/ ;
+double expm1 (double x) /*@modifies errno@*/ ;
+double log1p (double x) /*@modifies errno@*/ ;
+double log2 (double x) /*@modifies errno@*/ ;
+double logb (double x) /*@modifies errno@*/ ;
+
+double scalbn (double x, int n) /*@modifies errno@*/ ;
+double scalbln (double x, long int n) /*@modifies errno@*/ ;
+long double scalblnl(long double x, long int n) /*@modifies errno@*/ ;
+
+int ilogb (double x) /*@modifies errno@*/ ;
+int ilogbf (float x) /*@modifies errno@*/ ;
+int ilogbl (long double x) /*@modifies errno@*/ ;
+
+double fabs (double x) /*@*/ ;
+float fabsf (float x) /*@*/ ;
+long double fabsl (long double x) /*@*/ ;
+
double pow (double x, double y) /*@modifies errno@*/ ;
+float powf(float x, float y) /*@modifies errno@*/ ;
+long double powl(long double x, long double y) /*@modifies errno@*/ ;
+
double sqrt (double x) /*@modifies errno@*/ ;
+float sqrtf(float x) /*@modifies errno@*/ ;
+long double sqrtl (long double x) /*@modifies errno@*/ ;
+
+double cbrt (double x) /*@*/ ;
+float cbrtf (float x) /*@*/ ;
+long double cbrtl (long double x) /*@*/ ;
+
+double hypot (double x, double y) /*@modifies errno@*/ ;
+float hypotf (float x, float y) /*@modifies errno@*/ ;
+long double hypotl (long double x, long double y) /*@modifies errno@*/ ;
+
+double erf (double x) /*@*/ ;
+double erfc (double x) /*@*/ ;
+float erff (float x) /*@*/ ;
+long double erfl (long double x) /*@*/ ;
+float erfcf (float x) /*@*/ ;
+long double erfcl (long double x) /*@*/ ;
+
+double gamma (double x) /*@modifies errno@*/ ;
+float gammaf(float x) /*@modifies errno@*/ ;
+long double gammal (long double x) /*@modifies errno@*/ ;
+double lgamma (double x) /*@modifies errno@*/ ;
+float lgammaf (float x) /*@modifies errno@*/ ;
+long double lgammal (long double x) /*@modifies errno@*/ ;
double ceil (double x) /*@*/ ;
+float ceilf(float x) /*@*/ ;
+long double ceill(long double x) /*@*/ ;
+
double floor (double x) /*@*/ ;
-double fabs (double x) /*@*/ ;
+float floorf (float x) /*@*/ ;
+long double floorl (long double x) /*@*/ ;
-double modf (double x, /*@out@*/ double *ip) /*@modifies *ip;@*/ ;
+double nearbyint (double x) /*@*/ ;
+float nearbyintf (float x) /*@*/ ;
+long double nearbyintl (long double x) /*@*/ ;
+
+double rint (double x) /*@*/;
+float rintf (float x) /*@*/ ;
+long double rintl (long double x) /*@*/ ;
+long int lrint (double x) /*@modifies errno@*/ ;
+long int lrintf (float x) /*@modifies errno@*/ ;
+long int lrintl (long double x) /*@modifies errno@*/ ;
+long long llrint (double x) /*@modifies errno@*/ ;
+long long llrintf(float x) /*@modifies errno@*/ ;
+long long llrintl(long double x) /*@modifies errno@*/ ;
+
+double round (double x) /*@*/ ;
+long int lround (double x) /*@modifies errno@*/ ;
+long long llround (double x) /*@modifies errno@*/ ;
+
+double trunc (double x) /*@*/ ;
double fmod (double x, double y) /*@*/ ;
+double remainder (double x, double y) /*@*/ ;
+double remquo (double x, double y, /*@out@*/ int *quo) /*@modifies *quo@*/ ;
+double copysign (double x, double y) /*@*/ ;
+double nan (/*@nullterminated@*/ const char *tagp) /*@*/ ;
+double nextafter (double x, double y) /*@*/ ;
+double nextafterx (double x, long double y) /*@*/ ;
+
+double fdim (double x, double y) /*@modifies errno@*/ ;
+double fmax (double x, double y) /*@*/ ;
+double fmin (double x, double y) /*@*/ ;
+double fma (double x, double y, double z) /*@*/ ;
+
+int isgreater (s_real_t x, s_real_t y) /*@*/ ;
+int isgreaterequal (s_real_t x, s_real_t y) /*@*/ ;
+int isless (s_real_t x, s_real_t y) /*@*/ ;
+int islessequal (s_real_t x, s_real_t y) /*@*/ ;
+int islessgreater (s_real_t x, s_real_t y) /*@*/ ;
+int isunordered (s_real_t x, s_real_t y) /*@*/ ;
/*
** These functions are optional in iso C. An implementation does not
/*@dependent@*/ /*@null@*/ FILE *freopen (char *filename, char *mode, FILE *stream)
/*@modifies *stream, fileSystem, errno@*/ ;
-extern void setbuf (FILE *stream, /*@null@*/ /*@exposed@*/ /*@out@*/ char *buf)
- /*@modifies fileSystem, *stream, *buf@*/ ;
+void setbuf (FILE *stream, /*@null@*/ /*@exposed@*/ /*@out@*/ char *buf)
+ /*@modifies fileSystem, *stream, *buf@*/
+ /*:errorcode != 0*/ ;
+ /*:requires maxSet(buf) >= (BUFSIZ - 1):*/ ;
-extern int setvbuf (FILE *stream, /*@null@*/ /*@exposed@*/ /*@out@*/ char *buf,
- int mode, size_t size)
- /*@modifies fileSystem, *stream, *buf@*/ ;
+int setvbuf (FILE *stream, /*@null@*/ /*@exposed@*/ /*@out@*/ char *buf,
+ int mode, size_t size)
+ /*@modifies fileSystem, *stream, *buf@*/
+ /*@requires maxSet(buf) >= (size - 1) @*/ ;
# ifdef STRICT
/*@printflike@*/
/*@scanflike@*/
int fscanf (FILE *stream, char *format, ...)
- /*@modifies fileSystem, *stream@*/ ;
+ /*@modifies fileSystem, *stream, errno@*/ ;
# ifdef STRICT
/*@printflike@*/
/*@scanflike@*/
int scanf(char *format, ...)
/*@globals stdin@*/
- /*@modifies fileSystem, *stdin@*/ ;
+ /*@modifies fileSystem, *stdin, errno@*/ ;
+ /*drl added errno 09-19-2001 */ ;
# ifdef STRICT
/*@printflike@*/
int sprintf (/*@out@*/ char *s, char *format, ...)
+ /*@warn bufferoverflowhigh "Buffer overflow possible with sprintf. Recommend using snprintf instead"@*/
/*@modifies *s@*/ ;
# else
/*@printflike@*/
int /*@alt void@*/ sprintf (/*@out@*/ char *s, char *format, ...)
+ /*@warn bufferoverflowhigh "Buffer overflow possible with sprintf. Recommend using snprintf instead"@*/
/*@modifies *s@*/ ;
# endif
+/* evans 2002-07-09: snprintf added to standard.h (from unix.h) */
+/*@printflike@*/
+int snprintf (/*@out@*/ char * restrict s, size_t n, const char * restrict format, ...)
+ /*@modifies s@*/
+ /*@requires maxSet(s) >= (n - 1)@*/ ;
+
/*@scanflike@*/
-int sscanf (/*@out@*/ char *s, char *format, ...) /*@*/ ;
+int sscanf (/*@out@*/ char *s, char *format, ...) /*@modifies errno@*/ ;
/* modifies extra arguments */
int vprintf (const char *format, va_list arg)
/*@modifies str@*/ ;
int vsnprintf (/*@out@*/ char *str, size_t size, const char *format, va_list ap)
- /*@requires maxSet(str) >= size@*/
+ /*@requires maxSet(str) >= (size - 1)@*/ /* drl - this was size, size-1 in stdio.h */
/*@modifies str@*/ ;
int fgetc (FILE *stream)
/* note use of sef --- stream may be evaluated more than once */
int getc (/*@sef@*/ FILE *stream)
- /*@modifies fileSystem, *stream@*/ ;
+ /*@modifies fileSystem, *stream, errno@*/ ;
-int getchar (void) /*@globals stdin@*/ /*@modifies fileSystem, *stdin@*/ ;
+int getchar (void) /*@globals stdin@*/ /*@modifies fileSystem, *stdin, errno@*/ ;
/*@null@*/ char *gets (/*@out@*/ char *s)
/*@warn bufferoverflowhigh
int putc (int /*@alt char@*/ c, /*@sef@*/ FILE *stream)
/*:errorcode EOF:*/
- /*@modifies fileSystem, *stream;@*/ ;
+ /*@modifies fileSystem, *stream, errno;@*/ ;
int putchar (int /*@alt char@*/ c)
/*:errorcode EOF:*/
- /*@globals stdout@*/ /*@modifies fileSystem, *stdout@*/ ;
+ /*@globals stdout@*/
+ /*@modifies fileSystem, *stdout, errno@*/ ;
int puts (const char *s)
/*:errorcode EOF:*/
/*@globals stdout@*/
- /*@modifies fileSystem, *stdout@*/ ;
+ /*@modifies fileSystem, *stdout, errno@*/ ;
int ungetc (int /*@alt char@*/ c, FILE *stream)
- /*@modifies fileSystem, *stream, errno@*/ ;
+ /*@modifies fileSystem, *stream@*/ ;
+ /*drl REMOVED errno 09-19-2001*/
size_t
fread (/*@out@*/ void *ptr, size_t size, size_t nobj, FILE *stream)
- /*@modifies fileSystem, *ptr, *stream, errno@*/ ;
+ /*@modifies fileSystem, *ptr, *stream, errno@*/
+ /*requires maxSet(ptr) >= (size - 1) @*/
+ /*@ensures maxRead(ptr) == (size - 1) @*/ ;
size_t fwrite (void *ptr, size_t size, size_t nobj, FILE *stream)
- /*@modifies fileSystem, *stream, errno@*/ ;
+ /*@modifies fileSystem, *stream, errno@*/
+ /*@requires maxRead(ptr) >= size @*/ ;
int fgetpos (FILE *stream, /*@out@*/ fpos_t *pos)
- /*@modifies *pos, errno@*/ ;
+ /*@modifies *pos, errno@*/
+ /*@requires maxSet(pos) >= 0@*/
+ /*@ensures maxRead(pos) >= 0 @*/;
int fseek (FILE *stream, long int offset, int whence)
/*:errorcode -1:*/
/*@constant size_t INTPTR_MIN@*/
/*@constant size_t INTPTR_MAX@*/
+
+/*drl 3/5/2003
+ added the __func__ identifier from C99
+ This won't follow the same semantics as
+ __func__ in C99
+
+ FWIW C99 says that __func__ should have the value of the
+ lexically enclosing function
+ e.g. in the function foo __func__ == "foo"
+ in bar __func__ == "bar"
+
+ We're just having the value be constant here and picking
+ an arbitary value.
+*/
+const char __func__[] = "function-name";
+
+
+/* drl 3/5/2003
+ added limited supported for _Bool */
+
+/*__Bool shouled really be a basic type but edited the grammar and ripping
+ apart the rest of Splint would probably break too much stuff...
+*/
+
+typedef /*@unsignedintegraltype@*/ _Bool;
+
+/*support stdbool.h */
+
+typedef _Bool bool;
+
+//#define bool _Bool
+
+/*@constant _Bool true=1@*/
+#define true 1
+
+/*@constant _Bool false=0@*/
+#define false 0
+
+#define __bool_true_false_are_defined 1
andersk / splint.git / blobdiff