diff options
Diffstat (limited to 'mrbgems/mruby-sprintf')
| -rw-r--r-- | mrbgems/mruby-sprintf/src/sprintf.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/mrbgems/mruby-sprintf/src/sprintf.c b/mrbgems/mruby-sprintf/src/sprintf.c index fcda7733d..cc00198d0 100644 --- a/mrbgems/mruby-sprintf/src/sprintf.c +++ b/mrbgems/mruby-sprintf/src/sprintf.c @@ -116,6 +116,7 @@ mrb_fix2binstr(mrb_state *mrb, mrb_value x, int base) #define CHECK(l) do {\ /* int cr = ENC_CODERANGE(result);*/\ + if ((l) < 0) mrb_raise(mrb, E_ARGUMENT_ERROR, "illegal specifier"); \ while ((l) >= bsiz - blen) {\ bsiz*=2;\ if (bsiz < 0) mrb_raise(mrb, E_ARGUMENT_ERROR, "too big specifier"); \ @@ -766,7 +767,7 @@ retry: width -= (int)slen; if (!(flags&FMINUS)) { CHECK(width); - while (width--) { + while (width-- > 0) { buf[blen++] = ' '; } } @@ -775,7 +776,7 @@ retry: blen += len; if (flags&FMINUS) { CHECK(width); - while (width--) { + while (width-- > 0) { buf[blen++] = ' '; } } @@ -982,7 +983,7 @@ retry: width -= prec; } - if (!(flags&FMINUS)) { + if (!(flags&FMINUS) && width > 0) { CHECK(width); while (width-- > 0) { buf[blen++] = ' '; @@ -1012,9 +1013,11 @@ retry: } PUSH(s, len); - CHECK(width); - while (width-- > 0) { - buf[blen++] = ' '; + if (width > 0) { + CHECK(width); + while (width-- > 0) { + buf[blen++] = ' '; + } } } break; |