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  • Rafaël Carré's avatar
    eit_print: avoid calling printf two times · 595b1b14
    Rafaël Carré authored 
    The first printf also has this problem:
if hour, min or sec is >= 100 we can overflow duration_str

Also use %u for hours as it can be >= 100

In file included from ./bitstream/dvb/si_print.h:35:0,
                 from dvb_print_si.c:42:
dvb_print_si.c: In function ‘handle_section’:
./bitstream/dvb/si/eit_print.h:108:42: warning: ‘%02d’ directive writing between 2 and 3 bytes into a region of size between 2 and 4 [-Wformat-overflow=]
         sprintf(duration_str, "%02d:%02d:%02d", hour, min, sec);
                                          ^~~~
./bitstream/dvb/si/eit_print.h:108:31: note: directive argument in the range [0, 165]
         sprintf(duration_str, "%02d:%02d:%02d", hour, min, sec);
                               ^~~~~~~~~~~~~~~~
In file included from /usr/include/stdio.h:862:0,
                 from dvb_print_si.c:33:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:33:10: note: ‘__builtin___sprintf_chk’ output between 9 and 12 bytes into a destination of size 10
   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       __bos (__s), __fmt, __va_arg_pack ());
       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    595b1b14
  • Christophe Massiot's avatar
    Merge branch 'funman-master' · 55927734
    Christophe Massiot authored
    55927734
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dvb/si/eit_print.h
View file @ 55927734
......@@ -98,32 +98,31 @@ static inline void eit_print(uint8_t *p_eit,
while ((p_event = eit_get_event(p_eit, j)) != NULL) {
j++;
char start_str[24], duration_str[10];
char start_str[24];
int duration, hour, min, sec;
time_t start_ts;
start_ts = dvb_time_format_UTC(eitn_get_start_time(p_event), NULL, start_str);
dvb_time_decode_bcd(eitn_get_duration_bcd(p_event), &duration, &hour, &min, &sec);
sprintf(duration_str, "%02d:%02d:%02d", hour, min, sec);
switch (i_print_type) {
case PRINT_XML:
pf_print(print_opaque, "<EVENT id=\"%u\" start_time=\"%ld\" start_time_dec=\"%s\""
" duration=\"%u\" duration_dec=\"%s\""
" duration=\"%u\" duration_dec=\"%u:%02u:%02u\""
" running=\"%d\" free_CA=\"%d\">",
eitn_get_event_id(p_event),
start_ts, start_str,
duration, duration_str,
duration, hour, min, sec,
eitn_get_running(p_event),
eitn_get_ca(p_event)
);
break;
default:
pf_print(print_opaque, " * EVENT id=%u start_time=%ld start_time_dec=\"%s\" duration=%u duration_dec=%s running=%d free_CA=%d",
pf_print(print_opaque, " * EVENT id=%u start_time=%ld start_time_dec=\"%s\" duration=%u duration_dec=%u:%02u:%02u running=%d free_CA=%d",
eitn_get_event_id(p_event),
start_ts, start_str,
duration, duration_str,
duration, hour, min, sec,
eitn_get_running(p_event),
eitn_get_ca(p_event)
);
......

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