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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2001-05-02 04:22:21 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2001-05-02 04:22:21 +0000
commitfd06a2a7fbcaf995b662575f894a0f6ecd1be175 (patch)
treec229682c4c4c2ee56c973aa372d1a6eef7f5db14 /util.c
parent902524c35b84e6473498969ee89181052a92da5c (diff)
* eval.c (block_pass): should not downgrade safe level.
* ext/dbm/extconf.rb: allow specifying dbm-type explicitly. * ext/dbm/extconf.rb: avoid gdbm if possible, because it leaks memory, whereas gdbm.so doesn't. potential incompatibility. * string.c (rb_str_insert): new method. * parse.y (yylex): lex_state after RESCUE_MOD should be EXPR_BEG. * array.c (rb_ary_insert): new method. * array.c (rb_ary_update): new utility function. * io.c (set_outfile): should check if closed before assignment. * eval.c (rb_eval): should preserve value of ruby_errinfo. * eval.c (rb_thread_schedule): infinite sleep should not cause dead lock. * array.c (rb_ary_flatten_bang): proper recursive detection. * eval.c (yield_under): need not to prohibit at safe level 4. * pack.c (pack_pack): p/P packs nil into NULL. * pack.c (pack_unpack): p/P unpacks NULL into nil. * pack.c (pack_pack): size check for P template. * ruby.c (set_arg0): wrong predicate when new $0 value is bigger than original space. * gc.c (id2ref): should use NUM2ULONG() * object.c (rb_mod_const_get): check whether name is a class variable name. * object.c (rb_mod_const_set): ditto. * object.c (rb_mod_const_defined): ditto. * marshal.c (w_float): precision changed to "%.16g" * eval.c (rb_call0): wrong retry behavior. * numeric.c (fix_aref): a bug on long>int architecture. * eval.c (rb_eval_string_wrap): should restore ruby_wrapper. * regex.c (re_compile_pattern): char class at either edge of range should be invalid. * eval.c (handle_rescue): use === to compare exception match. * error.c (syserr_eqq): comparison between SytemCallErrors should based on their error numbers. * eval.c (safe_getter): should use INT2NUM(). * bignum.c (rb_big2long): 2**31 cannot fit in 31 bit long. * regex.c (calculate_must_string): wrong length calculation. * eval.c (rb_thread_start_0): fixed memory leak. * parse.y (none): should clear cmdarg_stack too. * io.c (rb_fopen): use setvbuf() to avoid recursive malloc() on some platforms. * file.c (rb_stat_dev): device functions should honor stat field types (except long long such as dev_t). * eval.c (rb_mod_nesting): should not push nil for nesting array. * eval.c (rb_mod_s_constants): should not search array by rb_mod_const_at() for nil (happens for singleton class). * class.c (rb_singleton_class_attached): should modify iv_tbl by itself, no longer use rb_iv_set() to avoid freeze check error. * variable.c (rb_const_get): error message "uninitialized constant Foo at Bar::Baz" instead of "uninitialized constantBar::Baz::Foo". * eval.c (rb_mod_included): new hook called from rb_mod_include(). * io.c (opt_i_set): should strdup() inplace_edit string. * eval.c (exec_under): need to push cref too. * eval.c (rb_f_missing): raise NameError for "undefined local variable or method". * error.c (Init_Exception): new exception NoMethodError. NameError moved under ScriptError again. * eval.c (rb_f_missing): use NoMethodError instead of NameError. * file.c (Init_File): should redifine "new" class method. * eval.c (PUSH_CREF): sharing cref node was problematic. maintain runtime cref list instead. * eval.c (rb_eval): copy defn node before registering. * eval.c (rb_load): clear ruby_cref before loading. * variable.c (rb_const_get): no recursion to show full class path for modules. * eval.c (rb_set_safe_level): should set safe level in curr_thread as well. * eval.c (safe_setter): ditto. * object.c (rb_obj_is_instance_of): nil belongs to false, not true. * time.c (make_time_t): proper (I hope) daylight saving time handling for both US and Europe. I HATE DST! * eval.c (rb_thread_wait_for): non blocked signal interrupt should stop the interval. * eval.c (proc_eq): class check aded. * eval.c (proc_eq): typo fixed ("return" was ommitted). * error.c (Init_Exception): move NameError under StandardError. * class.c (rb_mod_clone): should copy method bodies too. * bignum.c (bigdivrem): should trim trailing zero bdigits of remainder, even if dd == 0. * file.c (check3rdbyte): safe string check moved here. * time.c (make_time_t): remove HAVE_TM_ZONE code since it sometimes reports wrong time. * time.c (make_time_t): remove unnecessary range check for platforms where negative time_t is available. * process.c (proc_waitall): should push Process::Status instead of Finuxm status. * process.c (waitall_each): should add all entries in pid_tbl. these changes are inspired by Koji Arai. Thanks. * process.c (proc_wait): should not iterate if pid_tbl is 0. * process.c (proc_waitall): ditto. * numeric.c (flodivmod): a bug in no fmod case. * process.c (pst_wifsignaled): should apply WIFSIGNALED for status (int), not st (VALUE). * io.c (Init_IO): value of $/ and $\ are no longer restricted to strings. type checks are done on demand. * class.c (rb_include_module): module inclusion should be check taints. * ruby.h (STR2CSTR): replace to StringType() and StringTypePtr(). * ruby.h (rb_str2cstr): ditto. * eval.c (rb_load): should not copy topleve local variables. It cause variable/method ambiguity. Thanks to L. Peter Deutsch. * class.c (rb_include_module): freeze check at first. * eval.c (rb_attr): sprintf() and rb_intern() moved into conditional body. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1356 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'util.c')
-rw-r--r--util.c305
1 files changed, 157 insertions, 148 deletions
diff --git a/util.c b/util.c
index 5bb9c87..ddc91958 100644
--- a/util.c
+++ b/util.c
@@ -201,19 +201,25 @@ ruby_add_suffix(str, suffix)
if (*suffix == '.') { /* Style 1 */
if (strEQ(ext, suffix)) goto fallback;
strcpy(p, suffix);
- } else if (suffix[1] == '\0') { /* Style 2 */
+ }
+ else if (suffix[1] == '\0') { /* Style 2 */
if (extlen < 4) {
ext[extlen] = *suffix;
ext[++extlen] = '\0';
- } else if (baselen < 8) {
+ }
+ else if (baselen < 8) {
*p++ = *suffix;
- } else if (ext[3] != *suffix) {
+ }
+ else if (ext[3] != *suffix) {
ext[3] = *suffix;
- } else if (buf[7] != *suffix) {
+ }
+ else if (buf[7] != *suffix) {
buf[7] = *suffix;
- } else goto fallback;
+ }
+ else goto fallback;
strcpy(p, ext);
- } else { /* Style 3: Panic */
+ }
+ else { /* Style 3: Panic */
fallback:
(void)memcpy(p, strEQ(ext, suffix1) ? suffix2 : suffix1, 5);
}
@@ -418,7 +424,8 @@ static void mmswap(a, b) register char *a, *b;
if (low != 0) { s = A[0]; A[0] = B[0]; B[0] = s;
if (low >= 8) { s = A[1]; A[1] = B[1]; B[1] = s;
if (low == 12) {s = A[2]; A[2] = B[2]; B[2] = s;}}}
- }else{
+ }
+ else {
register char *t = a + mmsize;
do {s = *a; *a++ = *b; *b++ = s;} while (a < t);
}
@@ -435,12 +442,13 @@ static void mmrot3(a, b, c) register char *a, *b, *c;
s = A[1]; A[1] = B[1]; B[1] = C[1]; C[1] = s;
s = A[2]; A[2] = B[2]; B[2] = C[2]; C[2] = s;
s = A[3]; A[3] = B[3]; B[3] = C[3]; C[3] = s; a += 16; b += 16; c += 16;
- }while (a < t);
+ } while (a < t);
}
if (low != 0) { s = A[0]; A[0] = B[0]; B[0] = C[0]; C[0] = s;
if (low >= 8) { s = A[1]; A[1] = B[1]; B[1] = C[1]; C[1] = s;
if (low == 12) {s = A[2]; A[2] = B[2]; B[2] = C[2]; C[2] = s;}}}
- }else{
+ }
+ else {
register char *t = a + mmsize;
do {s = *a; *a++ = *b; *b++ = *c; *c++ = s;} while (a < t);
}
@@ -465,145 +473,146 @@ typedef struct { char *LL, *RR; } stack_node; /* Stack structure for L,l,R,r */
void ruby_qsort (base, nel, size, cmp) void* base; int nel; int size; int (*cmp)();
{
- register char *l, *r, *m; /* l,r:left,right group m:median point */
- register int t, eq_l, eq_r; /* eq_l: all items in left group are equal to S */
- char *L = base; /* left end of curren region */
- char *R = (char*)base + size*(nel-1); /* right end of current region */
- int chklim = 63; /* threshold of ordering element check */
- stack_node stack[32], *top = stack; /* 32 is enough for 32bit CPU */
-
- if (nel <= 1) return; /* need not to sort */
- mmprepare(base, size);
- goto start;
-
- nxt:
- if (stack == top) return; /* return if stack is empty */
- POP(L,R);
-
- for (;;) {
- start:
- if (L + size == R) {if ((*cmp)(L,R) > 0) mmswap(L,R); goto nxt;}/* 2 elements */
-
- l = L; r = R;
- t = (r - l + size) / size; /* number of elements */
- m = l + size * (t >> 1); /* calculate median value */
-
- if (t >= 60) {
- register char *m1;
- register char *m3;
- if (t >= 200) {
- t = size*(t>>3); /* number of bytes in splitting 8 */
- {
- register char *p1 = l + t;
- register char *p2 = p1 + t;
- register char *p3 = p2 + t;
- m1 = med3(p1, p2, p3);
- p1 = m + t;
- p2 = p1 + t;
- p3 = p2 + t;
- m3 = med3(p1, p2, p3);
- }
- }else{
- t = size*(t>>2); /* number of bytes in splitting 4 */
- m1 = l + t;
- m3 = m + t;
- }
- m = med3(m1, m, m3);
- }
-
- if ((t = (*cmp)(l,m)) < 0) { /*3-5-?*/
- if ((t = (*cmp)(m,r)) < 0) { /*3-5-7*/
- if (chklim && nel >= chklim) { /* check if already ascending order */
- char *p;
- chklim = 0;
- for (p=l; p<r; p+=size) if ((*cmp)(p,p+size) > 0) goto fail;
- goto nxt;
- }
- fail: goto loopA; /*3-5-7*/
- }
- if (t > 0) {
- if ((*cmp)(l,r) <= 0) {mmswap(m,r); goto loopA;} /*3-5-4*/
- mmrot3(r,m,l); goto loopA; /*3-5-2*/
- }
- goto loopB; /*3-5-5*/
- }
-
- if (t > 0) { /*7-5-?*/
- if ((t = (*cmp)(m,r)) > 0) { /*7-5-3*/
- if (chklim && nel >= chklim) { /* check if already ascending order */
- char *p;
- chklim = 0;
- for (p=l; p<r; p+=size) if ((*cmp)(p,p+size) < 0) goto fail2;
- while (l<r) {mmswap(l,r); l+=size; r-=size;} /* reverse region */
- goto nxt;
- }
- fail2: mmswap(l,r); goto loopA; /*7-5-3*/
- }
- if (t < 0) {
- if ((*cmp)(l,r) <= 0) {mmswap(l,m); goto loopB;} /*7-5-8*/
- mmrot3(l,m,r); goto loopA; /*7-5-6*/
- }
- mmswap(l,r); goto loopA; /*7-5-5*/
- }
-
- if ((t = (*cmp)(m,r)) < 0) {goto loopA;} /*5-5-7*/
- if (t > 0) {mmswap(l,r); goto loopB;} /*5-5-3*/
-
- /* deteming splitting type in case 5-5-5 */ /*5-5-5*/
- for (;;) {
- if ((l += size) == r) goto nxt; /*5-5-5*/
- if (l == m) continue;
- if ((t = (*cmp)(l,m)) > 0) {mmswap(l,r); l = L; goto loopA;} /*575-5*/
- if (t < 0) {mmswap(L,l); l = L; goto loopB;} /*535-5*/
- }
-
- loopA: eq_l = 1; eq_r = 1; /* splitting type A */ /* left <= median < right */
- for (;;) {
- for (;;) {
- if ((l += size) == r)
- {l -= size; if (l != m) mmswap(m,l); l -= size; goto fin;}
- if (l == m) continue;
- if ((t = (*cmp)(l,m)) > 0) {eq_r = 0; break;}
- if (t < 0) eq_l = 0;
- }
- for (;;) {
- if (l == (r -= size))
- {l -= size; if (l != m) mmswap(m,l); l -= size; goto fin;}
- if (r == m) {m = l; break;}
- if ((t = (*cmp)(r,m)) < 0) {eq_l = 0; break;}
- if (t == 0) break;
- }
- mmswap(l,r); /* swap left and right */
- }
-
- loopB: eq_l = 1; eq_r = 1; /* splitting type B */ /* left < median <= right */
- for (;;) {
- for (;;) {
- if (l == (r -= size))
- {r += size; if (r != m) mmswap(r,m); r += size; goto fin;}
- if (r == m) continue;
- if ((t = (*cmp)(r,m)) < 0) {eq_l = 0; break;}
- if (t > 0) eq_r = 0;
- }
- for (;;) {
- if ((l += size) == r)
- {r += size; if (r != m) mmswap(r,m); r += size; goto fin;}
- if (l == m) {m = r; break;}
- if ((t = (*cmp)(l,m)) > 0) {eq_r = 0; break;}
- if (t == 0) break;
- }
- mmswap(l,r); /* swap left and right */
- }
-
- fin:
- if (eq_l == 0) /* need to sort left side */
- if (eq_r == 0) /* need to sort right side */
- if (l-L < R-r) {PUSH(r,R); R = l;} /* sort left side first */
- else {PUSH(L,l); L = r;} /* sort right side first */
- else R = l; /* need to sort left side only */
- else if (eq_r == 0) L = r; /* need to sort right side only */
- else goto nxt; /* need not to sort both sides */
- }
+ register char *l, *r, *m; /* l,r:left,right group m:median point */
+ register int t, eq_l, eq_r; /* eq_l: all items in left group are equal to S */
+ char *L = base; /* left end of curren region */
+ char *R = (char*)base + size*(nel-1); /* right end of current region */
+ int chklim = 63; /* threshold of ordering element check */
+ stack_node stack[32], *top = stack; /* 32 is enough for 32bit CPU */
+
+ if (nel <= 1) return; /* need not to sort */
+ mmprepare(base, size);
+ goto start;
+
+ nxt:
+ if (stack == top) return; /* return if stack is empty */
+ POP(L,R);
+
+ for (;;) {
+ start:
+ if (L + size == R) {if ((*cmp)(L,R) > 0) mmswap(L,R); goto nxt;}/* 2 elements */
+
+ l = L; r = R;
+ t = (r - l + size) / size; /* number of elements */
+ m = l + size * (t >> 1); /* calculate median value */
+
+ if (t >= 60) {
+ register char *m1;
+ register char *m3;
+ if (t >= 200) {
+ t = size*(t>>3); /* number of bytes in splitting 8 */
+ {
+ register char *p1 = l + t;
+ register char *p2 = p1 + t;
+ register char *p3 = p2 + t;
+ m1 = med3(p1, p2, p3);
+ p1 = m + t;
+ p2 = p1 + t;
+ p3 = p2 + t;
+ m3 = med3(p1, p2, p3);
+ }
+ }
+ else {
+ t = size*(t>>2); /* number of bytes in splitting 4 */
+ m1 = l + t;
+ m3 = m + t;
+ }
+ m = med3(m1, m, m3);
+ }
+
+ if ((t = (*cmp)(l,m)) < 0) { /*3-5-?*/
+ if ((t = (*cmp)(m,r)) < 0) { /*3-5-7*/
+ if (chklim && nel >= chklim) { /* check if already ascending order */
+ char *p;
+ chklim = 0;
+ for (p=l; p<r; p+=size) if ((*cmp)(p,p+size) > 0) goto fail;
+ goto nxt;
+ }
+ fail: goto loopA; /*3-5-7*/
+ }
+ if (t > 0) {
+ if ((*cmp)(l,r) <= 0) {mmswap(m,r); goto loopA;} /*3-5-4*/
+ mmrot3(r,m,l); goto loopA; /*3-5-2*/
+ }
+ goto loopB; /*3-5-5*/
+ }
+
+ if (t > 0) { /*7-5-?*/
+ if ((t = (*cmp)(m,r)) > 0) { /*7-5-3*/
+ if (chklim && nel >= chklim) { /* check if already ascending order */
+ char *p;
+ chklim = 0;
+ for (p=l; p<r; p+=size) if ((*cmp)(p,p+size) < 0) goto fail2;
+ while (l<r) {mmswap(l,r); l+=size; r-=size;} /* reverse region */
+ goto nxt;
+ }
+ fail2: mmswap(l,r); goto loopA; /*7-5-3*/
+ }
+ if (t < 0) {
+ if ((*cmp)(l,r) <= 0) {mmswap(l,m); goto loopB;} /*7-5-8*/
+ mmrot3(l,m,r); goto loopA; /*7-5-6*/
+ }
+ mmswap(l,r); goto loopA; /*7-5-5*/
+ }
+
+ if ((t = (*cmp)(m,r)) < 0) {goto loopA;} /*5-5-7*/
+ if (t > 0) {mmswap(l,r); goto loopB;} /*5-5-3*/
+
+ /* deteming splitting type in case 5-5-5 */ /*5-5-5*/
+ for (;;) {
+ if ((l += size) == r) goto nxt; /*5-5-5*/
+ if (l == m) continue;
+ if ((t = (*cmp)(l,m)) > 0) {mmswap(l,r); l = L; goto loopA;} /*575-5*/
+ if (t < 0) {mmswap(L,l); l = L; goto loopB;} /*535-5*/
+ }
+
+ loopA: eq_l = 1; eq_r = 1; /* splitting type A */ /* left <= median < right */
+ for (;;) {
+ for (;;) {
+ if ((l += size) == r)
+ {l -= size; if (l != m) mmswap(m,l); l -= size; goto fin;}
+ if (l == m) continue;
+ if ((t = (*cmp)(l,m)) > 0) {eq_r = 0; break;}
+ if (t < 0) eq_l = 0;
+ }
+ for (;;) {
+ if (l == (r -= size))
+ {l -= size; if (l != m) mmswap(m,l); l -= size; goto fin;}
+ if (r == m) {m = l; break;}
+ if ((t = (*cmp)(r,m)) < 0) {eq_l = 0; break;}
+ if (t == 0) break;
+ }
+ mmswap(l,r); /* swap left and right */
+ }
+
+ loopB: eq_l = 1; eq_r = 1; /* splitting type B */ /* left < median <= right */
+ for (;;) {
+ for (;;) {
+ if (l == (r -= size))
+ {r += size; if (r != m) mmswap(r,m); r += size; goto fin;}
+ if (r == m) continue;
+ if ((t = (*cmp)(r,m)) < 0) {eq_l = 0; break;}
+ if (t > 0) eq_r = 0;
+ }
+ for (;;) {
+ if ((l += size) == r)
+ {r += size; if (r != m) mmswap(r,m); r += size; goto fin;}
+ if (l == m) {m = r; break;}
+ if ((t = (*cmp)(l,m)) > 0) {eq_r = 0; break;}
+ if (t == 0) break;
+ }
+ mmswap(l,r); /* swap left and right */
+ }
+
+ fin:
+ if (eq_l == 0) /* need to sort left side */
+ if (eq_r == 0) /* need to sort right side */
+ if (l-L < R-r) {PUSH(r,R); R = l;} /* sort left side first */
+ else {PUSH(L,l); L = r;} /* sort right side first */
+ else R = l; /* need to sort left side only */
+ else if (eq_r == 0) L = r; /* need to sort right side only */
+ else goto nxt; /* need not to sort both sides */
+ }
}
char *