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Wildcard string compare (globbing)

, 15 Feb 2005
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Matches a string against a wildcard string such as "*.*" or "bl?h.*" etc. This is good for file globbing or to match hostmasks.

Usage:

This is a fast, lightweight, and simple pattern matching function.

if (wildcmp("bl?h.*", "blah.jpg")) {
  //we have a match!
} else {
  //no match =(
}

Function:

int wildcmp(const char *wild, const char *string) {
  // Written by Jack Handy - <A href="mailto:jakkhandy@hotmail.com">jakkhandy@hotmail.com</A>
  const char *cp = NULL, *mp = NULL;

  while ((*string) && (*wild != '*')) {
    if ((*wild != *string) && (*wild != '?')) {
      return 0;
    }
    wild++;
    string++;
  }

  while (*string) {
    if (*wild == '*') {
      if (!*++wild) {
        return 1;
      }
      mp = wild;
      cp = string+1;
    } else if ((*wild == *string) || (*wild == '?')) {
      wild++;
      string++;
    } else {
      wild = mp;
      string = cp++;
    }
  }

  while (*wild == '*') {
    wild++;
  }
  return !*wild;
}

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

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About the Author

Jack Handy
Web Developer
United States United States
No Biography provided

Comments and Discussions

 
GeneralGeez... Pinmemberlarryfr5-Mar-08 10:39 
QuestionConvert to a replace? Pinmemberwilliaps20-Mar-07 9:31 
GeneralC# RexExp version Pinmemberspinsane4-Nov-06 7:30 
GeneralKudos Pinmemberquantumred14-Oct-06 5:37 
GeneralRe: Kudos Pinmembermilkplus24-Feb-10 12:19 
Generalwildcmp(&quot;*&amp;lt;*&amp;gt;&quot;, &quot;&amp;lt;field1&amp;gt;&amp;lt;field2&amp;gt;&quot;) not working [modified] PinmemberDaniel B.6-Sep-06 14:14 
GeneralRe: wildcmp(&quot;*&amp;lt;*&amp;gt;&quot;, &quot;&amp;lt;field1&amp;gt;&amp;lt;field2&amp;gt;&quot;) not working Pinmemberradboudp16-Feb-07 1:35 
Generalreturn value type Pinmemberwdx048-Jan-06 16:49 
I think it's better to make the function return a bool value. Anyway, many string comparision functions return 0 when the strings equal.
General*? case match Pinmembertalimu4-Nov-05 0:42 
GeneralRe: *? case match Pinmemberkuhnm15-Sep-06 3:18 
GeneralRe: *? case match Pinmemberkuhnm18-Sep-06 5:48 
GeneralGets my 5 PinmemberFranc Morales18-Oct-05 18:05 
Generalmp and cp Pinmembertwopieman15-Mar-05 12:59 
GeneralRe: mp and cp Pinmemberradboudp16-Feb-07 2:14 
GeneralOK, but ... PinmemberSam Levy16-Feb-05 5:48 
QuestionWhy make 3 loop ? PinmemberDarkYoda Mickael2-Feb-05 23:22 
AnswerRe: Why make 3 loop ? PinmemberJack Handy13-Feb-05 11:02 
GeneralC# version PinmemberSancy26-Oct-04 7:23 
GeneralRe: C# version PinsussPsyk6621-Dec-04 4:39 
GeneralRe: C# version PinmemberIonut FIlip22-Feb-05 7:15 
GeneralRe: C# version Pinmemberrobagar3-Apr-06 17:58 
GeneralRe: C# version PinmemberSancy5-Jun-06 17:01 
GeneralConvert to java base on C# version [modified, better look :~ ] Pinmemberquangtin321-Mar-08 22:13 
GeneralRe: C# version - an error! PinmemberMark T.4-Jul-08 15:37 
GeneralRe: C# version Pinmemberwilliamhix17-Oct-08 23:28 

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