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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
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