kotovalexarian-likes-github/ruby--ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
Code Releases Activity

* sprintf.c (rb_f_sprintf): more checks for format argument.

Browse source 
[ruby-core:11569], [ruby-core:11570], [ruby-core:11571],
  [ruby-core:11573]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@12803 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2007-07-15 20:45:55 +00:00
parent 7da059bddb
commit 12d19d3887
2 changed files with 43 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

6
ChangeLog
View file

@ -1,3 +1,9 @@
Mon Jul 16 05:45:53 2007 Nobuyoshi Nakada <nobu@ruby-lang.org>
* sprintf.c (rb_f_sprintf): more checks for format argument.
[ruby-core:11569], [ruby-core:11570], [ruby-core:11571],
[ruby-core:11573]
Mon Jul 16 00:26:10 2007 Nobuyoshi Nakada <nobu@ruby-lang.org>
* bignum.c (rb_big_pow): removed invariant variable. [ruby-dev:31236]

65
sprintf.c
View file

@ -82,6 +82,7 @@ sign_bits(base, p)
#define FSPACE 16
#define FWIDTH 32
#define FPREC 64
#define FPREC0 128
#define CHECK(l) do {\
while (blen + (l) >= bsiz) {\
@ -110,9 +111,7 @@ sign_bits(base, p)
#define GETNTHARG(nth) \
((nth >= argc) ? (rb_raise(rb_eArgError, "too few arguments"), 0) : argv[nth])
#define GETASTER(val) do { \
t = p++; \
n = 0; \
#define GETNUM(n, val) \
for (; p < end && ISDIGIT(*p); p++) { \
int next_n = 10 * n + (*p - '0'); \
if (next_n / 10 != n) {\
@ -122,7 +121,12 @@ sign_bits(base, p)
} \
if (p >= end) { \
rb_raise(rb_eArgError, "malformed format string - %%*[0-9]"); \
} \
}
#define GETASTER(val) do { \
t = p++; \
n = 0; \
GETNUM(n, val); \
if (*p == '$') { \
tmp = GETPOSARG(n); \
} \
@ -257,6 +261,21 @@ rb_f_sprintf(argc, argv)
VALUE tmp;
VALUE str;
#define CHECK_FOR_WIDTH(f) \
if ((f) & FWIDTH) { \
rb_raise(rb_eArgError, "width given twice"); \
} \
if ((f) & FPREC0) { \
rb_raise(rb_eArgError, "width after precision"); \
}
#define CHECK_FOR_FLAGS(f) \
if ((f) & FWIDTH) { \
rb_raise(rb_eArgError, "flag after width"); \
} \
if ((f) & FPREC0) { \
rb_raise(rb_eArgError, "flag after precision"); \
}
fmt = GETNTHARG(0);
if (OBJ_TAINTED(fmt)) tainted = 1;
StringValue(fmt);
@ -292,43 +311,40 @@ rb_f_sprintf(argc, argv)
break;
case ' ':
CHECK_FOR_FLAGS(flags);
flags |= FSPACE;
p++;
goto retry;
case '#':
CHECK_FOR_FLAGS(flags);
flags |= FSHARP;
p++;
goto retry;
case '+':
CHECK_FOR_FLAGS(flags);
flags |= FPLUS;
p++;
goto retry;
case '-':
CHECK_FOR_FLAGS(flags);
flags |= FMINUS;
p++;
goto retry;
case '0':
CHECK_FOR_FLAGS(flags);
flags |= FZERO;
p++;
goto retry;
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
CHECK_FOR_WIDTH(flags);
n = 0;
for (; p < end && ISDIGIT(*p); p++) {
int next_n = 10 * n + (*p - '0');
if (next_n / 10 != n) {
rb_raise(rb_eArgError, "width too big");
}
n = 10 * n + (*p - '0');
}
if (p >= end) {
rb_raise(rb_eArgError, "malformed format string - %%[0-9]");
}
GETNUM(n, width);
if (*p == '$') {
if (nextvalue != Qundef) {
rb_raise(rb_eArgError, "value given twice - %d$", n);
@ -342,10 +358,7 @@ rb_f_sprintf(argc, argv)
goto retry;
case '*':
if (flags & FWIDTH) {
rb_raise(rb_eArgError, "width given twice");
}
CHECK_FOR_WIDTH(flags);
flags |= FWIDTH;
GETASTER(width);
if (width < 0) {
@ -356,10 +369,10 @@ rb_f_sprintf(argc, argv)
goto retry;
case '.':
if (flags & FPREC) {
if (flags & FPREC0) {
rb_raise(rb_eArgError, "precision given twice");
}
flags |= FPREC;
flags |= FPREC|FPREC0;
prec = 0;
p++;
@ -372,17 +385,12 @@ rb_f_sprintf(argc, argv)
goto retry;
}
for (; p < end && ISDIGIT(*p); p++) {
prec = 10 * prec + (*p - '0');
}
if (p >= end) {
rb_raise(rb_eArgError, "malformed format string - %%.[0-9]");
}
GETNUM(prec, precision);
goto retry;
case '\n':
p--;
case '\0':
p--;
case '%':
if (flags != FNONE) {
rb_raise(rb_eArgError, "illegal format character - %%");
@ -455,7 +463,7 @@ rb_f_sprintf(argc, argv)
{
volatile VALUE val = GETARG();
char fbuf[32], nbuf[64], *s, *t;
char *prefix = 0;
const char *prefix = 0;
int sign = 0;
char sc = 0;
long v = 0;
@ -532,6 +540,7 @@ rb_f_sprintf(argc, argv)
default:
base = 10; break;
}
if (!bignum) {
if (base == 2) {
val = rb_int2big(v);