Mercurial > gnulib
annotate lib/mbscasecmp.c @ 40231:9b3c79fdfe0b
strtod: fix clash with strtold
Problem reported for RHEL 5 by Jesse Caldwell (Bug#34817).
* lib/strtod.c (compute_minus_zero, minus_zero):
Simplify by remving the macro / external variable,
and having just a function. User changed. This avoids
the need for an external variable that might clash.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Mon, 11 Mar 2019 16:40:29 -0700 |
| parents | b06060465f09 |
| children |
| rev | line source |
|---|---|
| 8089 | 1 /* Case-insensitive string comparison function. |
|
40057
b06060465f09
maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
parents:
19484
diff
changeset
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2 Copyright (C) 1998-1999, 2005-2019 Free Software Foundation, Inc. |
| 8089 | 3 Written by Bruno Haible <bruno@clisp.org>, 2005, |
| 4 based on earlier glibc code. | |
| 5 | |
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9309
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
8091
diff
changeset
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6 This program is free software: you can redistribute it and/or modify |
| 8089 | 7 it under the terms of the GNU General Public License as published by |
|
9309
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
8091
diff
changeset
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8 the Free Software Foundation; either version 3 of the License, or |
|
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
8091
diff
changeset
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9 (at your option) any later version. |
| 8089 | 10 |
| 11 This program is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 GNU General Public License for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 19190 | 17 along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| 8089 | 18 |
| 19 #include <config.h> | |
| 20 | |
| 21 /* Specification. */ | |
| 22 #include <string.h> | |
| 23 | |
| 24 #include <ctype.h> | |
| 25 #include <limits.h> | |
| 26 | |
|
10954
a0bbe1a6f787
Remove HAVE_MBRTOWC conditionals. Use mbrtowc unconditionally.
Bruno Haible <bruno@clisp.org>
parents:
9309
diff
changeset
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27 #include "mbuiter.h" |
| 8089 | 28 |
| 29 #define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) | |
| 30 | |
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New module 'mbscasecmp'. strcasecmp is not expected to work with multibyte
Bruno Haible <bruno@clisp.org>
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31 /* Compare the character strings S1 and S2, ignoring case, returning less than, |
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ebf2b19b5684
New module 'mbscasecmp'. strcasecmp is not expected to work with multibyte
Bruno Haible <bruno@clisp.org>
parents:
8089
diff
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32 equal to or greater than zero if S1 is lexicographically less than, equal to |
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ebf2b19b5684
New module 'mbscasecmp'. strcasecmp is not expected to work with multibyte
Bruno Haible <bruno@clisp.org>
parents:
8089
diff
changeset
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33 or greater than S2. |
| 8089 | 34 Note: This function may, in multibyte locales, return 0 for strings of |
| 35 different lengths! */ | |
| 36 int | |
|
8091
ebf2b19b5684
New module 'mbscasecmp'. strcasecmp is not expected to work with multibyte
Bruno Haible <bruno@clisp.org>
parents:
8089
diff
changeset
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37 mbscasecmp (const char *s1, const char *s2) |
| 8089 | 38 { |
| 39 if (s1 == s2) | |
| 40 return 0; | |
| 41 | |
| 42 /* Be careful not to look at the entire extent of s1 or s2 until needed. | |
| 43 This is useful because when two strings differ, the difference is | |
| 44 most often already in the very few first characters. */ | |
| 45 if (MB_CUR_MAX > 1) | |
| 46 { | |
| 47 mbui_iterator_t iter1; | |
| 48 mbui_iterator_t iter2; | |
| 49 | |
| 50 mbui_init (iter1, s1); | |
| 51 mbui_init (iter2, s2); | |
| 52 | |
| 53 while (mbui_avail (iter1) && mbui_avail (iter2)) | |
|
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Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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54 { |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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55 int cmp = mb_casecmp (mbui_cur (iter1), mbui_cur (iter2)); |
| 8089 | 56 |
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Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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57 if (cmp != 0) |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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58 return cmp; |
| 8089 | 59 |
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Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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60 mbui_advance (iter1); |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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61 mbui_advance (iter2); |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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62 } |
| 8089 | 63 if (mbui_avail (iter1)) |
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Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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64 /* s2 terminated before s1. */ |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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65 return 1; |
| 8089 | 66 if (mbui_avail (iter2)) |
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12421
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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67 /* s1 terminated before s2. */ |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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68 return -1; |
| 8089 | 69 return 0; |
| 70 } | |
| 71 else | |
| 72 { | |
| 73 const unsigned char *p1 = (const unsigned char *) s1; | |
| 74 const unsigned char *p2 = (const unsigned char *) s2; | |
| 75 unsigned char c1, c2; | |
| 76 | |
| 77 do | |
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12421
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Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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78 { |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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79 c1 = TOLOWER (*p1); |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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80 c2 = TOLOWER (*p2); |
| 8089 | 81 |
|
12421
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Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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82 if (c1 == '\0') |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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83 break; |
| 8089 | 84 |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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85 ++p1; |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
|
86 ++p2; |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
|
87 } |
| 8089 | 88 while (c1 == c2); |
| 89 | |
| 90 if (UCHAR_MAX <= INT_MAX) | |
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12421
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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91 return c1 - c2; |
| 8089 | 92 else |
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12421
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
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93 /* On machines where 'char' and 'int' are types of the same size, the |
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e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
|
94 difference of two 'unsigned char' values - including the sign bit - |
|
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
|
95 doesn't fit in an 'int'. */ |
|
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10954
diff
changeset
|
96 return (c1 > c2 ? 1 : c1 < c2 ? -1 : 0); |
| 8089 | 97 } |
| 98 } |