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objint: Fix corner case in buffer access.

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This commit is contained in:
Paul Sokolovsky 2014-06-06 23:08:37 +03:00
parent b56a53dfd6
commit d72bc2713a
1 changed files with 2 additions and 2 deletions
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4
py/objint.c
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@ -127,7 +127,7 @@ STATIC uint int_as_str_size_formatted(uint base, const char *prefix, char comma)
return num_digits + num_commas + prefix_len + 2; // +1 for sign, +1 for null byte
}
// This routine expects you to pass in a buffer and size (in *buf and buf_size).
// This routine expects you to pass in a buffer and size (in *buf and *buf_size).
// If, for some reason, this buffer is too small, then it will allocate a
// buffer and return the allocated buffer and size in *buf and *buf_size. It
// is the callers responsibility to free this allocated buffer.
@ -154,7 +154,7 @@ char *mp_obj_int_formatted(char **buf, int *buf_size, int *fmt_size, mp_const_ob
#endif
} else {
// Not an int.
buf[0] = '\0';
**buf = '\0';
*fmt_size = 0;
return *buf;
}