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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

 
AnswerRe: Why make 3 loop ? Pin
Jack Handy, 13-Feb-05 11:02
memberJack Handy13-Feb-05 11:02 
GeneralC# version Pin
Sancy, 26-Oct-04 7:23
memberSancy26-Oct-04 7:23 
GeneralRe: C# version Pin
Psyk66, 21-Dec-04 4:39
sussPsyk6621-Dec-04 4:39 
GeneralRe: C# version Pin
Ionut FIlip, 22-Feb-05 7:15
memberIonut FIlip22-Feb-05 7:15 
GeneralRe: C# version Pin
robagar, 3-Apr-06 17:58
memberrobagar3-Apr-06 17:58 
GeneralRe: C# version Pin
Sancy, 5-Jun-06 17:01
memberSancy5-Jun-06 17:01 
GeneralConvert to java base on C# version [modified, better look :~ ] Pin
quangtin3, 21-Mar-08 22:13
memberquangtin321-Mar-08 22:13 
GeneralRe: C# version - an error! Pin
Mark T., 4-Jul-08 15:37
memberMark T.4-Jul-08 15:37 
GeneralRe: C# version Pin
williamhix, 17-Oct-08 23:28
memberwilliamhix17-Oct-08 23:28 
GeneralMany thanks, with 1 small gripe .. Pin
David Patrick, 29-Sep-04 9:41
memberDavid Patrick29-Sep-04 9:41 
GeneralRe: Many thanks, with 1 small gripe .. Pin
Jack Handy, 6-Oct-04 9:13
memberJack Handy6-Oct-04 9:13 
GeneralRe: Many thanks, with 1 small gripe .. Pin
Vic Mackey, 16-Oct-04 20:33
memberVic Mackey16-Oct-04 20:33 
GeneralRe: Many thanks, with 1 small gripe .. Pin
Voja Intermajstor, 25-Nov-04 0:26
memberVoja Intermajstor25-Nov-04 0:26 
GeneralNice code... Pin
voja21, 25-Aug-04 3:30
membervoja2125-Aug-04 3:30 
GeneralSlight efficiency improvement Pin
Bill Buklis, 9-Jul-04 7:53
memberBill Buklis9-Jul-04 7:53 
GeneralRe: Slight efficiency improvement Pin
Bill Buklis, 9-Jul-04 8:19
memberBill Buklis9-Jul-04 8:19 
QuestionPathMatchSpec (shlwapi.h)? Pin
peterchen, 28-Jun-04 7:56
memberpeterchen28-Jun-04 7:56 
AnswerRe: PathMatchSpec (shlwapi.h)? Pin
Jack Handy, 13-Feb-05 10:56
memberJack Handy13-Feb-05 10:56 
GeneralDoesnt seem to work well.. Pin
Bikram Singh, 13-May-04 2:56
sussBikram Singh13-May-04 2:56 
GeneralRe: Doesnt seem to work well.. Pin
Jack Handy, 21-Jun-04 10:13
memberJack Handy21-Jun-04 10:13 
GeneralCase Insensitive wildcmp Pin
Techiex, 16-Mar-04 10:36
memberTechiex16-Mar-04 10:36 
GeneralRe: Case Insensitive wildcmp Pin
Neville Franks, 16-Mar-04 10:52
memberNeville Franks16-Mar-04 10:52 
GeneralRe: Case Insensitive wildcmp Pin
Techiex, 23-Mar-04 10:33
memberTechiex23-Mar-04 10:33 
GeneralRe: Case Insensitive wildcmp Pin
DavidCrow, 23-Feb-05 3:24
memberDavidCrow23-Feb-05 3:24 
GeneralRe: Case Insensitive wildcmp Pin
Vic Mackey, 23-Feb-05 9:00
memberVic Mackey23-Feb-05 9:00 
GeneralRe: Case Insensitive wildcmp Pin
DavidCrow, 23-Feb-05 9:22
memberDavidCrow23-Feb-05 9:22 
GeneralRe: Case Insensitive wildcmp Pin
f_randy, 12-Jun-06 19:13
memberf_randy12-Jun-06 19:13 
GeneralExcellent code! Pin
Hans Dietrich, 16-Jul-03 20:40
memberHans Dietrich16-Jul-03 20:40 
Generalchecking for null Pin
Jack Handy, 13-Mar-03 21:38
memberJack Handy13-Mar-03 21:38 
GeneralRe: checking for null Pin
Anonymous, 15-Mar-03 21:10
sussAnonymous15-Mar-03 21:10 
GeneralRe: checking for null Pin
Jack Handy, 18-Mar-03 14:25
memberJack Handy18-Mar-03 14:25 
Generalgreat code, but ... Pin
Anonymous, 12-Mar-03 4:17
sussAnonymous12-Mar-03 4:17 
GeneralRe: great code, but ... Pin
Jack Handy, 13-Mar-03 21:34
memberJack Handy13-Mar-03 21:34 
GeneralRe: great code, but ... Pin
Anonymous, 15-Mar-03 21:08
sussAnonymous15-Mar-03 21:08 
GeneralRe: great code, but ... Pin
Jack Handy, 18-Mar-03 14:25
memberJack Handy18-Mar-03 14:25 
GeneralRe: great code, but ... Pin
Anonymous, 20-Mar-03 0:13
sussAnonymous20-Mar-03 0:13 
GeneralNice Pin
Chris Richardson, 16-Jan-03 11:58
memberChris Richardson16-Jan-03 11:58 
GeneralRe: Nice Pin
Jack Handy, 20-Jan-03 12:56
memberJack Handy20-Jan-03 12:56 
GeneralCool Code Pin
Anonymous, 6-Dec-02 12:09
sussAnonymous6-Dec-02 12:09 
GeneralRe: Cool Code Pin
hector santos, 1-Mar-03 2:53
memberhector santos1-Mar-03 2:53 
GeneralRe: Cool Code Pin
Kent C. Dorner, 2-Mar-03 6:32
sussKent C. Dorner2-Mar-03 6:32 
GeneralRe: Cool Code Pin
gebrudergrimm, 28-Dec-03 11:18
membergebrudergrimm28-Dec-03 11:18 
GeneralRe: Cool Code Pin
BrcKcc, 15-Jun-04 9:18
memberBrcKcc15-Jun-04 9:18 
GeneralYes man - you a really cool developer Pin
Stanislav Panasik, 23-Oct-02 20:06
memberStanislav Panasik23-Oct-02 20:06 
GeneralRe: Yes man - you a really cool developer Pin
Anonymous, 28-Mar-04 14:43
sussAnonymous28-Mar-04 14:43 
GeneralPseudo Code... Pin
blahblah, 18-Apr-02 11:45
memberblahblah18-Apr-02 11:45 
GeneralRe: Pseudo Code... Pin
Targys, 8-Jan-03 3:43
memberTargys8-Jan-03 3:43 
Generaltoo complicated Pin
The C++ Guru, 21-Mar-02 22:31
memberThe C++ Guru21-Mar-02 22:31 
GeneralRe: too complicated Pin
Big Spender, 22-Mar-02 1:23
memberBig Spender22-Mar-02 1:23 
GeneralRe: too complicated Pin
The C++ Guru, 22-Mar-02 1:34
memberThe C++ Guru22-Mar-02 1:34 

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