• Paul Eggert's avatar
    error: Print 32- and 64-bit integers portably (Bug#8435). · 5fdb398c
    Paul Eggert authored
    Without this change, on typical 64-bit hosts error ("...%d...", N)
    was used to print both 32- and 64-bit integers N, which relied on
    undefined behavior.
    * lisp.h, src/m/amdx86-64.h, src/m/ia64.h, src/m/ibms390x.h (pEd):
    New macro.
    * lisp.h (error, verror): Mark as printf-like functions.
    * eval.c (verror): Use vsnprintf, not doprnt, to do the real work.
    Report overflow in size calculations when allocating printf buffer.
    Do not truncate output string at its first null byte.
    * xdisp.c (vmessage): Use vsnprintf, not doprnt, to do the real work.
    Truncate the output at a character boundary, since vsnprintf does not
    do that.
    * charset.c (check_iso_charset_parameter): Convert internal
    character to string before calling 'error', since %c now has the
    printf meaning.
    * coding.c (Fdecode_sjis_char, Fdecode_big5_char): Avoid int
    overflow when computing char to be passed to 'error'.  Do not
    pass Lisp_Object to 'error'; pass the integer instead.
    * nsfns.m (Fns_do_applescript): Use int, not long, since it's
    formatted with plain %d.
    5fdb398c
ChangeLog 61.8 KB