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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

 
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 
GeneralMany thanks, with 1 small gripe .. PinmemberDavid Patrick29-Sep-04 9:41 
GeneralRe: Many thanks, with 1 small gripe .. PinmemberJack Handy6-Oct-04 9:13 
GeneralRe: Many thanks, with 1 small gripe .. PinmemberVic Mackey16-Oct-04 20:33 
GeneralRe: Many thanks, with 1 small gripe .. PinmemberVoja Intermajstor25-Nov-04 0:26 
GeneralNice code... Pinmembervoja2125-Aug-04 3:30 
GeneralSlight efficiency improvement PinmemberBill Buklis9-Jul-04 7:53 
GeneralRe: Slight efficiency improvement PinmemberBill Buklis9-Jul-04 8:19 
QuestionPathMatchSpec (shlwapi.h)? Pinmemberpeterchen28-Jun-04 7:56 
AnswerRe: PathMatchSpec (shlwapi.h)? PinmemberJack Handy13-Feb-05 10:56 
GeneralDoesnt seem to work well.. PinsussBikram Singh13-May-04 2:56 
GeneralRe: Doesnt seem to work well.. PinmemberJack Handy21-Jun-04 10:13 
GeneralCase Insensitive wildcmp PinmemberTechiex16-Mar-04 10:36 
GeneralRe: Case Insensitive wildcmp PinmemberNeville Franks16-Mar-04 10:52 
GeneralRe: Case Insensitive wildcmp PinmemberTechiex23-Mar-04 10:33 
GeneralRe: Case Insensitive wildcmp PinmemberDavidCrow23-Feb-05 3:24 
GeneralRe: Case Insensitive wildcmp PinmemberVic Mackey23-Feb-05 9:00 
GeneralRe: Case Insensitive wildcmp PinmemberDavidCrow23-Feb-05 9:22 

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