Mercurial > dovecot > original-hg > dovecot-1.2
changeset 5677:922607d52fba HEAD
printf_string_fix_format() now panics if %n modifier is found.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Mon, 11 Jun 2007 01:00:07 +0300 |
| parents | 698da4fededa |
| children | 2cde91fb7283 |
| files | src/lib/strfuncs.c |
| diffstat | 1 files changed, 10 insertions(+), 2 deletions(-) [+] |
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--- a/src/lib/strfuncs.c Sun Jun 10 22:54:47 2007 +0300 +++ b/src/lib/strfuncs.c Mon Jun 11 01:00:07 2007 +0300 @@ -62,8 +62,16 @@ const char *p; for (p = fmt; *p != '\0'; p++) { - if (*p == '%' && p[1] == 'm') - return fix_format_real(fmt, p); + if (*p++ == '%') { + switch (*p) { + case 'n': + i_panic("%%n modifier used"); + case 'm': + return fix_format_real(fmt, p-1); + case '\0': + i_panic("%% modifier missing"); + } + } } return fmt;