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* sprintf.c (rb_f_sprintf): clean up.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5759 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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usa 2004-02-18 01:24:13 +00:00
parent c87eaa3af2
commit a7d4955188
2 changed files with 82 additions and 80 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Wed Feb 18 10:23:34 2004 NAKAMURA Usaku <usa@ruby-lang.org>
* sprintf.c (rb_f_sprintf): clean up.
Tue Feb 17 23:40:34 2004 Guy Decoux <ts@moulon.inra.fr>
* sprintf.c (rb_f_sprintf): preserve original val for

158
sprintf.c
View file

@ -444,7 +444,6 @@ rb_f_sprintf(argc, argv)
long v = 0;
int base, bignum = 0;
int len, pos;
VALUE tmp;
switch (*p) {
case 'd':
@ -514,6 +513,7 @@ rb_f_sprintf(argc, argv)
default:
base = 10; break;
}
if (!bignum) {
if (base == 2) {
val = rb_int2big(v);
@ -537,92 +537,90 @@ rb_f_sprintf(argc, argv)
}
sprintf(fbuf, "%%l%c", c);
sprintf(nbuf, fbuf, v);
s = nbuf;
goto format_integer;
}
s = nbuf;
if (v < 0) {
if (base == 10) {
rb_warning("negative number for %%u specifier");
}
else if (!(flags&FPREC)) {
strcpy(s, "..");
s += 2;
}
}
sprintf(fbuf, "%%l%c", *p);
sprintf(s, fbuf, v);
if (v < 0) {
char d = 0;
remove_sign_bits(s, base);
switch (base) {
case 16:
d = 'f'; break;
case 8:
d = '7'; break;
}
if (d && *s != d) {
memmove(s+1, s, strlen(s)+1);
*s = d;
}
}
s = nbuf;
goto format_integer;
}
if (sign) {
tmp = rb_big2str(val, base);
s = RSTRING(tmp)->ptr;
if (s[0] == '-') {
s++;
sc = '-';
width--;
}
else if (flags & FPLUS) {
sc = '+';
width--;
}
else if (flags & FSPACE) {
sc = ' ';
width--;
}
goto format_integer;
}
if (!RBIGNUM(val)->sign) {
val = rb_big_clone(val);
rb_big_2comp(val);
}
tmp = rb_big2str(val, base);
s = RSTRING(tmp)->ptr;
if (*s == '-') {
if (base == 10) {
rb_warning("negative number for %%u specifier");
s++;
}
else {
remove_sign_bits(++s, base);
tmp = rb_str_new(0, 3+strlen(s));
t = RSTRING(tmp)->ptr;
if (!(flags&FPREC)) {
strcpy(t, "..");
t += 2;
s = nbuf;
if (v < 0) {
if (base == 10) {
rb_warning("negative number for %%u specifier");
}
else if (!(flags&FPREC)) {
strcpy(s, "..");
s += 2;
}
}
switch (base) {
case 16:
if (s[0] != 'f') strcpy(t++, "f"); break;
case 8:
if (s[0] != '7') strcpy(t++, "7"); break;
case 2:
if (s[0] != '1') strcpy(t++, "1"); break;
sprintf(fbuf, "%%l%c", *p);
sprintf(s, fbuf, v);
if (v < 0) {
char d = 0;
remove_sign_bits(s, base);
switch (base) {
case 16:
d = 'f'; break;
case 8:
d = '7'; break;
}
if (d && *s != d) {
memmove(s+1, s, strlen(s)+1);
*s = d;
}
}
}
s = nbuf;
}
else {
if (sign) {
tmp = rb_big2str(val, base);
s = RSTRING(tmp)->ptr;
if (s[0] == '-') {
s++;
sc = '-';
width--;
}
else if (flags & FPLUS) {
sc = '+';
width--;
}
else if (flags & FSPACE) {
sc = ' ';
width--;
}
}
else {
if (!RBIGNUM(val)->sign) {
val = rb_big_clone(val);
rb_big_2comp(val);
}
tmp = rb_big2str(val, base);
s = RSTRING(tmp)->ptr;
if (*s == '-') {
if (base == 10) {
rb_warning("negative number for %%u specifier");
}
else {
remove_sign_bits(++s, base);
tmp = rb_str_new(0, 3+strlen(s));
t = RSTRING(tmp)->ptr;
if (!(flags&FPREC)) {
strcpy(t, "..");
t += 2;
}
switch (base) {
case 16:
if (s[0] != 'f') strcpy(t++, "f"); break;
case 8:
if (s[0] != '7') strcpy(t++, "7"); break;
case 2:
if (s[0] != '1') strcpy(t++, "1"); break;
}
strcpy(t, s);
s = RSTRING(tmp)->ptr;
}
}
strcpy(t, s);
bignum = 2;
}
}
s = RSTRING(tmp)->ptr;
format_integer:
pos = -1;
len = strlen(s);