src/usr.bin/make/str.c - diff

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Diff for /src/usr.bin/make/str.c between version 1.7 and 1.8

-version 1.7, 1998/12/05 00:06:29
+version 1.8, 1999/11/11 11:35:17
 Line 226
 Line 226
 Line 226
  }
  /*
-  * Str_FindSubstring -- See if a string contains a particular substring.
-  *
-  * Results: If string contains substring, the return value is the location of
-  * the first matching instance of substring in string.  If string doesn't
-  * contain substring, the return value is NULL.  Matching is done on an exact
-  * character-for-character basis with no wildcards or special characters.
-  *
-  * Side effects: None.
-  */
- char *
- Str_FindSubstring(string, substring)
-         register char *string;          /* String to search. */
-         char *substring;                /* Substring to find in string */
- {
-         register char *a, *b;
-         /*
-          * First scan quickly through the two strings looking for a single-
-          * character match.  When it's found, then compare the rest of the
-          * substring.
-          */
-         for (b = substring; *string != 0; string += 1) {
-                 if (*string != *b)
-                         continue;
-                 a = string;
-                 for (;;) {
-                         if (*b == 0)
-                                 return(string);
-                         if (*a++ != *b++)
-                                 break;
-                 }
-                 b = substring;
-         }
-         return((char *) NULL);
- }
- /*
   * Str_Match --
   *
   * See if a particular string matches a particular pattern.