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Remove unnecessary range confirmation

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This is a correction based on the review by @matz.
https://github.com/mruby/mruby/pull/5306#pullrequestreview-578378401
This commit is contained in:
dearblue
2021-01-29 22:23:22 +09:00
parent 9c36499e31
commit b500e82950
1 changed files with 5 additions and 28 deletions
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mrbgems/mruby-pack/src/pack.c
+5 -28
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@@ -216,26 +216,6 @@ u32tostr(char *buf, size_t len, uint32_t n)
snprintf(buf, len, "%" PRIu32, n);
#endif /* MRB_NO_STDIO */
}
static void
i32tostr(char *buf, size_t len, int32_t n)
{
#ifdef MRB_NO_STDIO
if (len < 1) {
return;
}
if (n < 0) {
*buf ++ = '-';
len --;
n = -n;
}
u32tostr(buf, len, (uint32_t)n);
#else
snprintf(buf, len, "%" PRId32, n);
#endif /* MRB_NO_STDIO */
}
#endif /* MRB_INT64 */
static int
@@ -259,14 +239,7 @@ unpack_l(mrb_state *mrb, const unsigned char *src, int srclen, mrb_value ary, un
ul += (uint32_t)src[3];
}
if (flags & PACK_FLAG_SIGNED) {
int32_t sl = ul;
#ifndef MRB_INT64
if (INT_OVERFLOW_P(sl)) {
i32tostr(msg, sizeof(msg), sl);
mrb_raisef(mrb, E_RANGE_ERROR, "cannot unpack to Integer: %s", msg);
}
#endif
n = sl;
n = (int32_t)ul;
} else {
#ifndef MRB_INT64
if (UINT_OVERFLOW_P(ul)) {
@@ -340,6 +313,7 @@ u64tostr(char *buf, size_t len, uint64_t n)
#endif /* MRB_NO_STDIO */
}
#ifndef MRB_INT64
static void
i64tostr(char *buf, size_t len, int64_t n)
{
@@ -359,6 +333,7 @@ i64tostr(char *buf, size_t len, int64_t n)
snprintf(buf, len, "%" PRId64, n);
#endif /* MRB_NO_STDIO */
}
#endif /* MRB_INT64 */
static int
unpack_q(mrb_state *mrb, const unsigned char *src, int srclen, mrb_value ary, unsigned int flags)
@@ -382,10 +357,12 @@ unpack_q(mrb_state *mrb, const unsigned char *src, int srclen, mrb_value ary, un
}
if (flags & PACK_FLAG_SIGNED) {
int64_t sll = ull;
#ifndef MRB_INT64
if (INT_OVERFLOW_P(sll)) {
i64tostr(msg, sizeof(msg), sll);
mrb_raisef(mrb, E_RANGE_ERROR, "cannot unpack to Integer: %s", msg);
}
#endif
n = (mrb_int)sll;
} else {
if (UINT_OVERFLOW_P(ull)) {