Make a couple of parameters constant.

Stefan Krah · Stefan Krah · commit 4b7f7acf3099 · 2013-12-03T14:33:46.000+01:00
diff --git a/Modules/_decimal/libmpdec/mpdecimal.c b/Modules/_decimal/libmpdec/mpdecimal.c
@@ -392,42 +392,42 @@ mpd_radix(void)
 
 /* Dynamic decimal */
 ALWAYS_INLINE int
-mpd_isdynamic(mpd_t *dec)
+mpd_isdynamic(const mpd_t *dec)
 {
     return !(dec->flags & MPD_STATIC);
 }
 
 /* Static decimal */
 ALWAYS_INLINE int
-mpd_isstatic(mpd_t *dec)
+mpd_isstatic(const mpd_t *dec)
 {
     return dec->flags & MPD_STATIC;
 }
 
 /* Data of decimal is dynamic */
 ALWAYS_INLINE int
-mpd_isdynamic_data(mpd_t *dec)
+mpd_isdynamic_data(const mpd_t *dec)
 {
     return !(dec->flags & MPD_DATAFLAGS);
 }
 
 /* Data of decimal is static */
 ALWAYS_INLINE int
-mpd_isstatic_data(mpd_t *dec)
+mpd_isstatic_data(const mpd_t *dec)
 {
     return dec->flags & MPD_STATIC_DATA;
 }
 
 /* Data of decimal is shared */
 ALWAYS_INLINE int
-mpd_isshared_data(mpd_t *dec)
+mpd_isshared_data(const mpd_t *dec)
 {
     return dec->flags & MPD_SHARED_DATA;
 }
 
 /* Data of decimal is const */
 ALWAYS_INLINE int
-mpd_isconst_data(mpd_t *dec)
+mpd_isconst_data(const mpd_t *dec)
 {
     return dec->flags & MPD_CONST_DATA;
 }
@@ -597,7 +597,7 @@ mpd_set_sign(mpd_t *result, uint8_t sign)
 
 /* Copy sign from another decimal */
 ALWAYS_INLINE void
-mpd_signcpy(mpd_t *result, mpd_t *a)
+mpd_signcpy(mpd_t *result, const mpd_t *a)
 {
     uint8_t sign = a->flags&MPD_NEG;
 
diff --git a/Modules/_decimal/libmpdec/mpdecimal.h b/Modules/_decimal/libmpdec/mpdecimal.h
@@ -752,12 +752,12 @@ EXTINLINE uint8_t mpd_sign(const mpd_t *dec);
 /* 1 if dec is positive, -1 if dec is negative */
 EXTINLINE int mpd_arith_sign(const mpd_t *dec);
 EXTINLINE long mpd_radix(void);
-EXTINLINE int mpd_isdynamic(mpd_t *dec);
-EXTINLINE int mpd_isstatic(mpd_t *dec);
-EXTINLINE int mpd_isdynamic_data(mpd_t *dec);
-EXTINLINE int mpd_isstatic_data(mpd_t *dec);
-EXTINLINE int mpd_isshared_data(mpd_t *dec);
-EXTINLINE int mpd_isconst_data(mpd_t *dec);
+EXTINLINE int mpd_isdynamic(const mpd_t *dec);
+EXTINLINE int mpd_isstatic(const mpd_t *dec);
+EXTINLINE int mpd_isdynamic_data(const mpd_t *dec);
+EXTINLINE int mpd_isstatic_data(const mpd_t *dec);
+EXTINLINE int mpd_isshared_data(const mpd_t *dec);
+EXTINLINE int mpd_isconst_data(const mpd_t *dec);
 EXTINLINE mpd_ssize_t mpd_trail_zeros(const mpd_t *dec);
 
 
@@ -769,7 +769,7 @@ EXTINLINE mpd_ssize_t mpd_trail_zeros(const mpd_t *dec);
 EXTINLINE void mpd_setdigits(mpd_t *result);
 EXTINLINE void mpd_set_sign(mpd_t *result, uint8_t sign);
 /* copy sign from another decimal */
-EXTINLINE void mpd_signcpy(mpd_t *result, mpd_t *a);
+EXTINLINE void mpd_signcpy(mpd_t *result, const mpd_t *a);
 EXTINLINE void mpd_set_infinity(mpd_t *result);
 EXTINLINE void mpd_set_qnan(mpd_t *result);
 EXTINLINE void mpd_set_snan(mpd_t *result);

Original file line number	Diff line number	Diff line change
`@@ -392,42 +392,42 @@ mpd_radix(void)`
`392`	`392`
`393`	`393`	`/* Dynamic decimal */`
`394`	`394`	`ALWAYS_INLINE int`
`395`		`-mpd_isdynamic(mpd_t *dec)`
	`395`	`+mpd_isdynamic(const mpd_t *dec)`
`396`	`396`	`{`
`397`	`397`	`return !(dec->flags & MPD_STATIC);`
`398`	`398`	`}`
`399`	`399`
`400`	`400`	`/* Static decimal */`
`401`	`401`	`ALWAYS_INLINE int`
`402`		`-mpd_isstatic(mpd_t *dec)`
	`402`	`+mpd_isstatic(const mpd_t *dec)`
`403`	`403`	`{`
`404`	`404`	`return dec->flags & MPD_STATIC;`
`405`	`405`	`}`
`406`	`406`
`407`	`407`	`/* Data of decimal is dynamic */`
`408`	`408`	`ALWAYS_INLINE int`
`409`		`-mpd_isdynamic_data(mpd_t *dec)`
	`409`	`+mpd_isdynamic_data(const mpd_t *dec)`
`410`	`410`	`{`
`411`	`411`	`return !(dec->flags & MPD_DATAFLAGS);`
`412`	`412`	`}`
`413`	`413`
`414`	`414`	`/* Data of decimal is static */`
`415`	`415`	`ALWAYS_INLINE int`
`416`		`-mpd_isstatic_data(mpd_t *dec)`
	`416`	`+mpd_isstatic_data(const mpd_t *dec)`
`417`	`417`	`{`
`418`	`418`	`return dec->flags & MPD_STATIC_DATA;`
`419`	`419`	`}`
`420`	`420`
`421`	`421`	`/* Data of decimal is shared */`
`422`	`422`	`ALWAYS_INLINE int`
`423`		`-mpd_isshared_data(mpd_t *dec)`
	`423`	`+mpd_isshared_data(const mpd_t *dec)`
`424`	`424`	`{`
`425`	`425`	`return dec->flags & MPD_SHARED_DATA;`
`426`	`426`	`}`
`427`	`427`
`428`	`428`	`/* Data of decimal is const */`
`429`	`429`	`ALWAYS_INLINE int`
`430`		`-mpd_isconst_data(mpd_t *dec)`
	`430`	`+mpd_isconst_data(const mpd_t *dec)`
`431`	`431`	`{`
`432`	`432`	`return dec->flags & MPD_CONST_DATA;`
`433`	`433`	`}`
`@@ -597,7 +597,7 @@ mpd_set_sign(mpd_t *result, uint8_t sign)`
`597`	`597`
`598`	`598`	`/* Copy sign from another decimal */`
`599`	`599`	`ALWAYS_INLINE void`
`600`		`-mpd_signcpy(mpd_t result, mpd_t a)`
	`600`	`+mpd_signcpy(mpd_t result, const mpd_t a)`
`601`	`601`	`{`
`602`	`602`	`uint8_t sign = a->flags&MPD_NEG;`
`603`	`603`