X-Git-Url: http://www.privoxy.org/gitweb/?a=blobdiff_plain;f=miscutil.c;h=462eb8356013104c7c145f5e09070f76e2f1a4ba;hb=6f7198353a4203c0016c821d5ca7d5c17839d403;hp=ab1ccaed3c04c2adeb9a4ad3f3ee9af71f18d918;hpb=7d0d27186d473655bc895c40515277d4e6488439;p=privoxy.git diff --git a/miscutil.c b/miscutil.c index ab1ccaed..462eb835 100644 --- a/miscutil.c +++ b/miscutil.c @@ -1,4 +1,4 @@ -const char miscutil_rcs[] = "$Id: miscutil.c,v 1.53 2007/09/09 18:20:20 fabiankeil Exp $"; +const char miscutil_rcs[] = "$Id: miscutil.c,v 1.56 2007/12/01 12:59:05 fabiankeil Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/miscutil.c,v $ @@ -44,6 +44,17 @@ const char miscutil_rcs[] = "$Id: miscutil.c,v 1.53 2007/09/09 18:20:20 fabianke * * Revisions : * $Log: miscutil.c,v $ + * Revision 1.56 2007/12/01 12:59:05 fabiankeil + * Some sanity checks for pick_from_range(). + * + * Revision 1.55 2007/11/03 17:34:49 fabiankeil + * Log the "weak randomization factor" warning only + * once for mingw32 and provide some more details. + * + * Revision 1.54 2007/09/19 20:28:37 fabiankeil + * If privoxy_strlcpy() is called with a "buffer" size + * of 0, don't touch whatever destination points to. + * * Revision 1.53 2007/09/09 18:20:20 fabiankeil * Turn privoxy_strlcpy() into a function and try to work with * b0rked snprintf() implementations too. Reported by icmp30. @@ -854,14 +865,14 @@ int simplematch(char *pattern, char *text) { return(1); } - for(i = lastchar; i <= *pat; i++) + for (i = lastchar; i <= *pat; i++) { - charmap[i / 8] |= (1 << (i % 8)); + charmap[i / 8] |= (unsigned char)(1 << (i % 8)); } } else { - charmap[*pat / 8] |= (1 << (*pat % 8)); + charmap[*pat / 8] |= (unsigned char)(1 << (*pat % 8)); lastchar = *pat; } } @@ -1084,6 +1095,12 @@ char * make_path(const char * dir, const char * file) long int pick_from_range(long int range) { long int number; + + assert(range != 0); + assert(range > 0); + + if (range <= 0) return 0; + #ifdef HAVE_RANDOM number = random() % range + 1; #elif defined(FEATURE_PTHREAD) @@ -1099,8 +1116,9 @@ long int pick_from_range(long int range) * * Currently we don't have mutexes for mingw32, and for * our purpose this cludge is probably preferable to crashes. + * + * The warning is shown once on startup from jcc.c. */ - log_error(LOG_LEVEL_INFO, "No thread-safe PRNG available? Using weak \'randomization\' factor."); number = (range + GetCurrentThreadId() % range) / 2; #else /* @@ -1115,7 +1133,7 @@ long int pick_from_range(long int range) #endif /* (def HAVE_RANDOM) */ - return (number); + return number; }