lib/sh/stringvec.c

35 /* Allocate an array of strings with room for N members. */
44 strvec_resize (array, nsize)
45      char **array;
48   return ((char **)xrealloc (array, nsize * sizeof (char *)));
51 /* Return the length of ARRAY, a NULL terminated array of char *. */
53 strvec_len (array)
54      char **array;
58   for (i = 0; array[i]; i++);
62 /* Free the contents of ARRAY, a NULL terminated array of char *. */
64 strvec_flush (array)
65      char **array;
69   if (array == 0)
72   for (i = 0; array[i]; i++)
73     free (array[i]);
77 strvec_dispose (array)
78      char **array;
80   if (array == 0)
83   strvec_flush (array);
84   free (array);
88 strvec_remove (array, name)
89      char **array, *name;
94   if (array == 0)
97   for (i = 0; array[i]; i++)
98     if (STREQ (name, array[i]))
100 	x = array[i];
101 	for (j = i; array[j]; j++)
102 	  array[j] = array[j + 1];
113 strvec_search (array, name)
114      char **array, *name;
118   for (i = 0; array[i]; i++)
119     if (STREQ (name, array[i]))
128 strvec_copy (array)
129      char **array;
135   len = strvec_len (array);
138   for (i = 0; array[i]; i++)
139     ret[i] = savestring (array[i]);
163 /* Sort ARRAY, a null terminated array of pointers to strings. */
165 strvec_sort (array)
166      char **array;
168   qsort (array, strvec_len (array), sizeof (char *), (QSFUNC *)strvec_strcmp);
171 /* Cons up a new array of words.  The words are taken from LIST,
173    so you should free everything in this array when you are done.
174    The array is NULL terminated.  If IP is non-null, it gets the
175    number of words in the returned array.  STARTING_INDEX says where
176    to start filling in the returned array; it can be used to reserve
177    space at the beginning of the array. */
185   char **array;
188   array = (char **)xmalloc ((1 + count + starting_index) * sizeof (char *));
191     array[count] = (char *)NULL;
193     array[count] = alloc ? savestring (list->word->word) : list->word->word;
194   array[count] = (char *)NULL;
198   return (array);
201 /* Convert an array of strings into the form used internally by the shell.
207 strvec_to_word_list (array, alloc, starting_index)
208      char **array;
215   if (array == 0 || array[0] == 0)
218   for (count = 0; array[count]; count++)
223       w = make_bare_word (alloc ? array[i] : "");
227 	  w->word = array[i];