/* * PATMAT.C - Pattern matching. Taken from sh sources */ /* * Written by Alexander S. Aganichev. * * Released to public domain. */ /* * Returns true if the pattern matches the string. */ int patmat (char *tag, char *mask) { if (tag && mask) { while (*tag && *mask) if ((*tag == *mask) || (*mask == '?')) { ++ tag; ++ mask; } else if (*mask == '*') { while ((*mask == '*') || (*mask == '?')) { if (*mask == '?') { if (*tag) ++ tag; else return 0; } ++ mask; } if (*mask) { while (*tag && !patmat (tag, mask)) ++ tag; if (*tag) return 1; } else return 1; } else return 0; while (*mask == '*') ++ mask; if (*mask) return 0; return (*tag) ? 0 : 1; } return 0; } #ifdef TEST #include <stdio.h> int main(void) { printf("patmat(\"abcdefghi\", \"*ghi\"): %d\n", patmat("abcdefghi", "*ghi")); printf("patmat(\"abcdefghi\", \"??c??f*\"): %d\n", patmat("abcdefghi", "??c??f*")); printf("patmat(\"abcdefghi\", \"*dh*\"): %d\n", patmat("abcdefghi", "*dh*")); printf("patmat(\"abcdefghi\", \"*def\"): %d\n", patmat("abcdefghi", "*def")); return 0; } #endif