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mbscmp.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/bash/src/lib/sh/mbscmp.c
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1/* mbscmp - multibyte string comparison. */-
2-
3/* Copyright (C) 1995-2015 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#if !defined (HAVE_MBSCMP) && defined (HANDLE_MULTIBYTE)-
24-
25#include <stdlib.h>-
26#include <stddef.h>-
27#include <string.h>-
28-
29/* Compare MBS1 and MBS2. */-
30int-
31mbscmp (mbs1, mbs2)-
32 const char *mbs1;-
33 const char *mbs2;-
34{-
35 int len1, len2, mb_cur_max;-
36 wchar_t c1, c2;-
37-
38 len1 = len2 = 0;-
39 /* Reset multibyte characters to their initial state. */-
40 (void) mblen ((char *) NULL, 0);-
41-
42 mb_cur_max = MB_CUR_MAX;-
43 do-
44 {-
45 len1 = mbtowc (&c1, mbs1, mb_cur_max);-
46 len2 = mbtowc (&c2, mbs2, mb_cur_max);-
47-
48 if (len1 == 0)
len1 == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
49 return len2 == 0 ? 0 : -1;
never executed: return len2 == 0 ? 0 : -1;
0
50 else if (len2 == 0)
len2 == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
51 return 1;
never executed: return 1;
0
52 else if (len1 > 0 && len2 < 0)
len1 > 0Description
TRUEnever evaluated
FALSEnever evaluated
len2 < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
53 return -1;
never executed: return -1;
0
54 else if (len1 < 0 && len2 > 0)
len1 < 0Description
TRUEnever evaluated
FALSEnever evaluated
len2 > 0Description
TRUEnever evaluated
FALSEnever evaluated
0
55 return 1;
never executed: return 1;
0
56 else if (len1 < 0 && len2 < 0)
len1 < 0Description
TRUEnever evaluated
FALSEnever evaluated
len2 < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
57 {-
58 len1 = strlen (mbs1);-
59 len2 = strlen (mbs2);-
60 return (len1 == len2 ? memcmp (mbs1, mbs2, len1)
never executed: return (len1 == len2 ? memcmp (mbs1, mbs2, len1) : ((len1 < len2) ? (memcmp (mbs1, mbs2, len1) > 0 ? 1 : -1) : (memcmp (mbs1, mbs2, len2) >= 0 ? 1 : -1)));
0
61 : ((len1 < len2) ? (memcmp (mbs1, mbs2, len1) > 0 ? 1 : -1)
never executed: return (len1 == len2 ? memcmp (mbs1, mbs2, len1) : ((len1 < len2) ? (memcmp (mbs1, mbs2, len1) > 0 ? 1 : -1) : (memcmp (mbs1, mbs2, len2) >= 0 ? 1 : -1)));
0
62 : (memcmp (mbs1, mbs2, len2) >= 0 ? 1 : -1)));
never executed: return (len1 == len2 ? memcmp (mbs1, mbs2, len1) : ((len1 < len2) ? (memcmp (mbs1, mbs2, len1) > 0 ? 1 : -1) : (memcmp (mbs1, mbs2, len2) >= 0 ? 1 : -1)));
0
63 }-
64-
65 mbs1 += len1;-
66 mbs2 += len2;-
67 }
never executed: end of block
0
68 while (c1 == c2);
c1 == c2Description
TRUEnever evaluated
FALSEnever evaluated
0
69-
70 return c1 - c2;
never executed: return c1 - c2;
0
71}-
72-
73#endif-
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