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Path: ...!2.eu.feeder.erje.net!3.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!bluemanedhawk.eternal-september.org!.POSTED!not-for-mail From: Blue-Maned_Hawk <bluemanedhawk@invalid.invalid> Newsgroups: comp.lang.c Subject: Re: What is your opinion about unsigned int u = -2 ? Date: Thu, 1 Aug 2024 06:34:21 -0000 (UTC) Organization: A noiseless patient Spider Lines: 26 Message-ID: <pan$d2c8a$8c54ac9f$29a202e0$12c6ce86@invalid.invalid> References: <v8dfo9$1k7cg$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Thu, 01 Aug 2024 08:34:21 +0200 (CEST) Injection-Info: bluemanedhawk.eternal-september.org; posting-host="f4bf0ff46b48842227c850dac8b5fb7f"; logging-data="2158201"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/feoVJT6l4N1ighdGzKSR39kByYocgru0=" User-Agent: Pan/0.154 (Izium; 517acf4) Cancel-Lock: sha1:hvSryGie7MIzXMGZZGJV+Mqmo98= Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAIAAADYYG7QAAACh0lEQVRYw71Z21bD MAzzevbfkr4cHjrSXJyL044+MDa6WLEl2SkvkrZ1AbAvXO+bUGSCPYnsuIVGMpm ZLnjX718GhAKNsp8lON2F9VrhELwIgJlBepkZjA78rVK+FkmNhEJK76UsJlz8+E rJsjrpYouhLo/SC6qPHgakFOR8wV9+8rCfO/I/oVnmUZUp42/LW2XkLj9TCFNM9 jp5g2EmHZgpYZjCOkYU7sXVogRylJqpdggoFLG1g09Flah/7kErCxzR9HgXPYsq 0glb9cxjIz2Vsk9AmAoCSxECpD713joMKjQqLAtmMqJmXjdVvlMnMQCVITotJd1 z+fh1f1NNo+vuc1KnhWUmY7t03vydTud9BbXCtN3L2PL3bK7JCNG0GHzuZxafyB fxevCxpm1vrwZltqw6SILCcdoCE6PGQC8wZWDA9Or7Qp5s3lAZezys0nDazs9S9 R0TjwEiksRxLkNPC1NMMWPs1bj0Ei0Yuo+JVtFLuzP1NRJ16qXWN8DhhtmS4PDg O6mqRxs4bEJrYt087mSIow/1VzW2oFlMQuiuIy/KsUagvhdw6hSjJGlIavbLF8x j3X47bccLcUSi0dkWh1nUZNhANT1tHKUXrNxNLbd9KPb9wDDVrKwmPQMOPQ1oy6 k5I1DwzDeRJd3jVIhDAUxq3ngzJG4CCkNXZxZVMcjefoK2J0gUY2S3rxz/RuTFx 2zHd9U+obimJXMG4edsk/2j5pTU5G1MmzbRLxkfq5EiT1GGsidvMGzi+1goGb2l GCrN+nGnV8xj3q3JLRDVPL96vUc7Z4aJ3TN1mVqWAMJMfG+Jxh6TQqP+92iZkCU xtglds1AB6r0aiSHKcnFck+p/c/0CbacFLQcajGcAAAAASUVORK5CYII= X-Face: Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronuku pokaiwhenuakitanatahu Bytes: 2839 Thiago Adams wrote: > What is your opinion about this: > > unsigned int u1 = -1; > > Generally -1 is used to get the maximum value. > Is this guaranteed to work? Whether or not it is, i would prefer to use the UINT_MAX macro to make the code clearer. > How about this one? > > unsigned int u2 = -2; > Does it makes sense? Maybe a warning here? I cannot think of any situations where that would make sense, but i also cannot guarantee that there are not any. -- Blue-Maned_Hawk│shortens to Hawk│/blu.mɛin.dʰak/│he/him/his/himself/Mr. blue-maned_hawk.srht.site I was so amused with it that i did it twenty-three more times.