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stringvec.c

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1/* stringvec.c - functions for managing arrays of strings. */-
2-
3/* Copyright (C) 2000-2002 Free Software Foundation, Inc.-
4-
5 This file is part of GNU Bash, the Bourne Again SHell.-
6-
7 Bash is free software: you can redistribute it and/or modify-
8 it under the terms of the GNU General Public License as published by-
9 the Free Software Foundation, either version 3 of the License, or-
10 (at your option) any later version.-
11-
12 Bash is distributed in the hope that it will be useful,-
13 but WITHOUT ANY WARRANTY; without even the implied warranty of-
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the-
15 GNU General Public License for more details.-
16-
17 You should have received a copy of the GNU General Public License-
18 along with Bash. If not, see <http://www.gnu.org/licenses/>.-
19*/-
20-
21#include <config.h>-
22-
23#include <bashtypes.h>-
24-
25#if defined (HAVE_UNISTD_H)-
26# include <unistd.h>-
27#endif-
28-
29#include <bashansi.h>-
30#include <stdio.h>-
31#include <chartypes.h>-
32-
33#include "shell.h"-
34-
35/* Allocate an array of strings with room for N members. */-
36char **-
37strvec_create (n)-
38 int n;-
39{-
40 return ((char **)xmalloc ((n) * sizeof (char *)));
executed 42066 times by 1 test: return ((char **)sh_xmalloc(((n) * sizeof (char *)), "stringvec.c", 40));
Executed by:
  • Self test
42066
41}-
42-
43/* Allocate an array of strings with room for N members. */-
44char **-
45strvec_mcreate (n)-
46 int n;-
47{-
48 return ((char **)malloc ((n) * sizeof (char *)));
executed 37 times by 1 test: return ((char **)malloc ((n) * sizeof (char *)));
Executed by:
  • Self test
37
49}-
50-
51char **-
52strvec_resize (array, nsize)-
53 char **array;-
54 int nsize;-
55{-
56 return ((char **)xrealloc (array, nsize * sizeof (char *)));
executed 12506 times by 1 test: return ((char **)sh_xrealloc((array), (nsize * sizeof (char *)), "stringvec.c", 56));
Executed by:
  • Self test
12506
57}-
58-
59char **-
60strvec_mresize (array, nsize)-
61 char **array;-
62 int nsize;-
63{-
64 return ((char **)realloc (array, nsize * sizeof (char *)));
executed 116 times by 1 test: return ((char **)realloc (array, nsize * sizeof (char *)));
Executed by:
  • Self test
116
65}-
66-
67/* Return the length of ARRAY, a NULL terminated array of char *. */-
68int-
69strvec_len (array)-
70 char **array;-
71{-
72 register int i;-
73-
74 for (i = 0; array[i]; i++);
executed 324190 times by 1 test: ;
Executed by:
  • Self test
array[i]Description
TRUEevaluated 324190 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 19306 times by 1 test
Evaluated by:
  • Self test
19306-324190
75 return (i);
executed 19306 times by 1 test: return (i);
Executed by:
  • Self test
19306
76}-
77-
78/* Free the contents of ARRAY, a NULL terminated array of char *. */-
79void-
80strvec_flush (array)-
81 char **array;-
82{-
83 register int i;-
84-
85 if (array == 0)
array == 0Description
TRUEnever evaluated
FALSEevaluated 11263 times by 1 test
Evaluated by:
  • Self test
0-11263
86 return;
never executed: return;
0
87-
88 for (i = 0; array[i]; i++)
array[i]Description
TRUEevaluated 201014 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 11263 times by 1 test
Evaluated by:
  • Self test
11263-201014
89 free (array[i]);
executed 201014 times by 1 test: sh_xfree((array[i]), "stringvec.c", 89);
Executed by:
  • Self test
201014
90}
executed 11263 times by 1 test: end of block
Executed by:
  • Self test
11263
91-
92void-
93strvec_dispose (array)-
94 char **array;-
95{-
96 if (array == 0)
array == 0Description
TRUEevaluated 68960664 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 2514 times by 1 test
Evaluated by:
  • Self test
2514-68960664
97 return;
executed 68960664 times by 1 test: return;
Executed by:
  • Self test
68960664
98-
99 strvec_flush (array);-
100 free (array);-
101}
executed 2514 times by 1 test: end of block
Executed by:
  • Self test
2514
102-
103int-
104strvec_remove (array, name)-
105 char **array, *name;-
106{-
107 register int i, j;-
108 char *x;-
109-
110 if (array == 0)
array == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
111 return 0;
never executed: return 0;
0
112-
113 for (i = 0; array[i]; i++)
array[i]Description
TRUEnever evaluated
FALSEnever evaluated
0
114 if (STREQ (name, array[i]))
never executed: __result = (((const unsigned char *) (const char *) ( name ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( array[i] ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
(name)[0] == (array[i])[0]Description
TRUEnever evaluated
FALSEnever evaluated
__extension__ ... )))); }) == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
115 {-
116 x = array[i];-
117 for (j = i; array[j]; j++)
array[j]Description
TRUEnever evaluated
FALSEnever evaluated
0
118 array[j] = array[j + 1];
never executed: array[j] = array[j + 1];
0
119 free (x);-
120 return 1;
never executed: return 1;
0
121 }-
122 return 0;
never executed: return 0;
0
123}-
124-
125#ifdef INCLUDE_UNUSED-
126/* Find NAME in ARRAY. Return the index of NAME, or -1 if not present.-
127 ARRAY should be NULL terminated. */-
128int-
129strvec_search (array, name)-
130 char **array, *name;-
131{-
132 int i;-
133-
134 for (i = 0; array[i]; i++)-
135 if (STREQ (name, array[i]))-
136 return (i);-
137-
138 return (-1);-
139}-
140#endif-
141-
142/* Allocate and return a new copy of ARRAY and its contents. */-
143char **-
144strvec_copy (array)-
145 char **array;-
146{-
147 register int i;-
148 int len;-
149 char **ret;-
150-
151 len = strvec_len (array);-
152-
153 ret = (char **)xmalloc ((len + 1) * sizeof (char *));-
154 for (i = 0; array[i]; i++)
array[i]Description
TRUEnever evaluated
FALSEnever evaluated
0
155 ret[i] = savestring (array[i]);
never executed: ret[i] = (char *)strcpy (sh_xmalloc((1 + strlen (array[i])), "stringvec.c", 155), (array[i]));
0
156 ret[i] = (char *)NULL;-
157-
158 return (ret);
never executed: return (ret);
0
159}-
160-
161/* Comparison routine for use with qsort() on arrays of strings. Uses-
162 strcoll(3) if available, otherwise it uses strcmp(3). */-
163int-
164strvec_strcmp (s1, s2)-
165 register char **s1, **s2;-
166{-
167#if defined (HAVE_STRCOLL)-
168 return (strcoll (*s1, *s2));
executed 6330 times by 1 test: return (strcoll (*s1, *s2));
Executed by:
  • Self test
6330
169#else /* !HAVE_STRCOLL */-
170 int result;-
171-
172 if ((result = **s1 - **s2) == 0)-
173 result = strcmp (*s1, *s2);-
174-
175 return (result);-
176#endif /* !HAVE_STRCOLL */-
177}-
178-
179/* Sort ARRAY, a null terminated array of pointers to strings. */-
180void-
181strvec_sort (array)-
182 char **array;-
183{-
184 qsort (array, strvec_len (array), sizeof (char *), (QSFUNC *)strvec_strcmp);-
185}
executed 110 times by 1 test: end of block
Executed by:
  • Self test
110
186-
187/* Cons up a new array of words. The words are taken from LIST,-
188 which is a WORD_LIST *. If ALLOC is true, everything is malloc'ed,-
189 so you should free everything in this array when you are done.-
190 The array is NULL terminated. If IP is non-null, it gets the-
191 number of words in the returned array. STARTING_INDEX says where-
192 to start filling in the returned array; it can be used to reserve-
193 space at the beginning of the array. */-
194-
195char **-
196strvec_from_word_list (list, alloc, starting_index, ip)-
197 WORD_LIST *list;-
198 int alloc, starting_index, *ip;-
199{-
200 int count;-
201 char **array;-
202-
203 count = list_length (list);-
204 array = (char **)xmalloc ((1 + count + starting_index) * sizeof (char *));-
205-
206 for (count = 0; count < starting_index; count++)
count < starting_indexDescription
TRUEevaluated 4434 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 4454 times by 1 test
Evaluated by:
  • Self test
4434-4454
207 array[count] = (char *)NULL;
executed 4434 times by 1 test: array[count] = (char *) ((void *)0) ;
Executed by:
  • Self test
4434
208 for (count = starting_index; list; count++, list = list->next)
listDescription
TRUEevaluated 15277 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 4454 times by 1 test
Evaluated by:
  • Self test
4454-15277
209 array[count] = alloc ? savestring (list->word->word) : list->word->word;
executed 15277 times by 1 test: array[count] = alloc ? (char *)strcpy (sh_xmalloc((1 + strlen (list->word->word)), "stringvec.c", 209), (list->word->word)) : list->word->word;
Executed by:
  • Self test
allocDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 15275 times by 1 test
Evaluated by:
  • Self test
2-15277
210 array[count] = (char *)NULL;-
211-
212 if (ip)
ipDescription
TRUEevaluated 4434 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 20 times by 1 test
Evaluated by:
  • Self test
20-4434
213 *ip = count;
executed 4434 times by 1 test: *ip = count;
Executed by:
  • Self test
4434
214 return (array);
executed 4454 times by 1 test: return (array);
Executed by:
  • Self test
4454
215}-
216-
217/* Convert an array of strings into the form used internally by the shell.-
218 ALLOC means to allocate new storage for each WORD_DESC in the returned-
219 list rather than copy the values in ARRAY. STARTING_INDEX says where-
220 in ARRAY to begin. */-
221-
222WORD_LIST *-
223strvec_to_word_list (array, alloc, starting_index)-
224 char **array;-
225 int alloc, starting_index;-
226{-
227 WORD_LIST *list;-
228 WORD_DESC *w;-
229 int i, count;-
230-
231 if (array == 0 || array[0] == 0)
array == 0Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • Self test
array[0] == 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • Self test
FALSEevaluated 6 times by 1 test
Evaluated by:
  • Self test
0-7
232 return (WORD_LIST *)NULL;
executed 1 time by 1 test: return (WORD_LIST *) ((void *)0) ;
Executed by:
  • Self test
1
233-
234 for (count = 0; array[count]; count++)
array[count]Description
TRUEevaluated 36 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 6 times by 1 test
Evaluated by:
  • Self test
6-36
235 ;
executed 36 times by 1 test: ;
Executed by:
  • Self test
36
236-
237 for (i = starting_index, list = (WORD_LIST *)NULL; i < count; i++)
i < countDescription
TRUEevaluated 36 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 6 times by 1 test
Evaluated by:
  • Self test
6-36
238 {-
239 w = make_bare_word (alloc ? array[i] : "");-
240 if (alloc == 0)
alloc == 0Description
TRUEevaluated 36 times by 1 test
Evaluated by:
  • Self test
FALSEnever evaluated
0-36
241 {-
242 free (w->word);-
243 w->word = array[i];-
244 }
executed 36 times by 1 test: end of block
Executed by:
  • Self test
36
245 list = make_word_list (w, list);-
246 }
executed 36 times by 1 test: end of block
Executed by:
  • Self test
36
247 return (REVERSE_LIST (list, WORD_LIST *));
executed 6 times by 1 test: return (((list && list->next) ? (WORD_LIST *)list_reverse ((GENERIC_LIST *)list) : (WORD_LIST *)(list)));
Executed by:
  • Self test
6
248}-
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