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

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-version 1.3, 1996/06/26 05:36:38
+version 1.4, 1996/09/02 16:04:21
 Line 40
 Line 40
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  }
  #endif
- #if defined(sun) || defined(__hpux)
+ #ifdef ultrix
+ #include <string.h>
+ /* strdup
+  *
+  * Make a duplicate of a string.
+  * For systems which lack this function.
+  */
+ char *
+ strdup(str)
+     const char *str;
+ {
+     size_t len;
+     if (str == NULL)
+         return NULL;
+     len = strlen(str) + 1;
+     if ((p = malloc(len)) == NULL)
+         return NULL;
+     return memcpy(p, str, len);
+ }
+ #endif
+ #if defined(sun) || defined(__hpux) || defined(__sgi)
  int
  setenv(name, value, dum)