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Make scm_strhash's string parameter constant.

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Dirk Herrmann 2000-03-21 15:49:53 +00:00
parent 7352d0b203
commit 95c9e176a6
3 changed files with 14 additions and 9 deletions
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9
libguile/ChangeLog
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@ -1,3 +1,12 @@
2000-03-21 Dirk Herrmann <D.Herrmann@tu-bs.de>
* symbols.h, symbols.c (scm_strhash): Declare the string
parameter as constant, since it is not modified.
* symbols.c (scm_intern_obarray_soft,
scm_sysintern0_no_module_lookup): Can now pass constant strings
to scm_strhash without need for casting.
2000-03-21 Dirk Herrmann <D.Herrmann@tu-bs.de>
* vectors.h (SCM_VELTS, SCM_VELTS_AS_STACKITEMS): Don't cast SCM

12
libguile/symbols.c
View file

@ -77,7 +77,7 @@
unsigned long
scm_strhash (unsigned char *str,scm_sizet len,unsigned long n)
scm_strhash (const unsigned char *str, scm_sizet len, unsigned long n)
{
if (len > 5)
{
@ -237,16 +237,13 @@ scm_intern_obarray_soft (const char *name,scm_sizet len,SCM obarray,int softness
SCM_REDEFER_INTS;
i = len;
tmp = (unsigned char *) name;
if (obarray == SCM_BOOL_F)
{
scm_hash = scm_strhash (tmp, i, 1019);
scm_hash = scm_strhash (name, len, 1019);
goto uninterned_symbol;
}
scm_hash = scm_strhash (tmp, i, SCM_LENGTH(obarray));
scm_hash = scm_strhash (name, len, SCM_LENGTH (obarray));
/* softness == -1 used to mean that it was known that the symbol
wasn't already in the obarray. I don't think there are any
@ -359,8 +356,7 @@ scm_sysintern0_no_module_lookup (const char *name)
{
SCM lsym;
scm_sizet len = strlen (name);
register unsigned char *tmp = (unsigned char *) name;
scm_sizet scm_hash = scm_strhash (tmp, len, (unsigned long) scm_symhash_dim);
scm_sizet scm_hash = scm_strhash (name, len, (unsigned long) scm_symhash_dim);
SCM_NEWCELL (lsym);
SCM_SETLENGTH (lsym, (long) len, scm_tc7_ssymbol);
SCM_SETCHARS (lsym, name);

2
libguile/symbols.h
View file

@ -109,7 +109,7 @@ extern int scm_symhash_dim;
extern unsigned long scm_strhash (unsigned char *str, scm_sizet len, unsigned long n);
extern unsigned long scm_strhash (const unsigned char *str, scm_sizet len, unsigned long n);
extern SCM scm_sym2vcell (SCM sym, SCM thunk, SCM definep);
extern SCM scm_sym2ovcell_soft (SCM sym, SCM obarray);
extern SCM scm_sym2ovcell (SCM sym, SCM obarray);