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author | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
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committer | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
commit | 2de9abc5c9d40b3c716307d67d16146f823fd554 (patch) | |
tree | 6979db67934ddc8b564150b465846a383b428ff8 /gnulib/lib/wcscoll-impl.h | |
parent | 33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff) | |
download | patch-baserock/bootstrap.tar.gz |
add the output of bootstrapbaserock/bootstrap-pass2baserock/bootstrap
Diffstat (limited to 'gnulib/lib/wcscoll-impl.h')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/wcscoll-impl.h | 111 |
2 files changed, 111 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/wcscoll-impl.h b/gnulib/lib/wcscoll-impl.h new file mode 100644 index 0000000..01adcc3 --- /dev/null +++ b/gnulib/lib/wcscoll-impl.h @@ -0,0 +1,111 @@ +/* Compare two wide strings using the current locale. + Copyright (C) 2011 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2011. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +int +wcscoll (const wchar_t *s1, const wchar_t *s2) +{ + char mbbuf1[1024]; + char mbbuf2[1024]; + char *mbs1; + char *mbs2; + + { + int saved_errno = errno; + + /* Convert s1 to a multibyte string, trying to avoid malloc(). */ + { + size_t ret; + + ret = wcstombs (mbbuf1, s1, sizeof (mbbuf1)); + if (ret == (size_t)-1) + goto failed1; + if (ret < sizeof (mbbuf1)) + mbs1 = mbbuf1; + else + { + size_t need = wcstombs (NULL, s1, 0); + if (need == (size_t)-1) + goto failed1; + mbs1 = (char *) malloc (need + 1); + if (mbs1 == NULL) + goto out_of_memory1; + ret = wcstombs (mbs1, s1, need + 1); + if (ret != need) + abort (); + } + } + + /* Convert s2 to a multibyte string, trying to avoid malloc(). */ + { + size_t ret; + + ret = wcstombs (mbbuf2, s2, sizeof (mbbuf2)); + if (ret == (size_t)-1) + goto failed2; + if (ret < sizeof (mbbuf2)) + mbs2 = mbbuf2; + else + { + size_t need = wcstombs (NULL, s2, 0); + if (need == (size_t)-1) + goto failed2; + mbs2 = (char *) malloc (need + 1); + if (mbs2 == NULL) + goto out_of_memory2; + ret = wcstombs (mbs2, s2, need + 1); + if (ret != need) + abort (); + } + } + + /* No error so far. */ + errno = saved_errno; + } + + /* Compare the two multibyte strings. */ + { + int result = strcoll (mbs1, mbs2); + + if (mbs1 != mbbuf1) + { + int saved_errno = errno; + free (mbs1); + errno = saved_errno; + } + if (mbs2 != mbbuf2) + { + int saved_errno = errno; + free (mbs2); + errno = saved_errno; + } + return result; + } + + out_of_memory2: + if (mbs1 != mbbuf1) + free (mbs1); + out_of_memory1: + errno = ENOMEM; + return 0; + + failed2: + if (mbs1 != mbbuf1) + free (mbs1); + failed1: + errno = EILSEQ; + return 0; +} |