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https://git.proxmox.com/git/libgit2
synced 2025-05-06 11:19:47 +00:00
eba784d24d
With Visual Studio versions 2008 and older they ignore the full path to files and only check the basename of the file to find a collision. Additionally, having duplicate basenames can break other build tools like GYP. This fixes https://github.com/libgit2/libgit2/issues/3356
55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/*
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* Copyright (C) the libgit2 contributors. All rights reserved.
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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*/
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#include "common.h"
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#include "w32_buffer.h"
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#include "../buffer.h"
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#include "utf-conv.h"
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GIT_INLINE(int) handle_wc_error(void)
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{
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if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
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errno = ENAMETOOLONG;
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else
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errno = EINVAL;
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return -1;
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}
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int git_buf_put_w(git_buf *buf, const wchar_t *string_w, size_t len_w)
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{
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int utf8_len, utf8_write_len;
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size_t new_size;
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if (!len_w)
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return 0;
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assert(string_w);
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/* Measure the string necessary for conversion */
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if ((utf8_len = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, string_w, len_w, NULL, 0, NULL, NULL)) == 0)
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return 0;
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assert(utf8_len > 0);
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GITERR_CHECK_ALLOC_ADD(&new_size, buf->size, (size_t)utf8_len);
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GITERR_CHECK_ALLOC_ADD(&new_size, new_size, 1);
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if (git_buf_grow(buf, new_size) < 0)
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return -1;
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if ((utf8_write_len = WideCharToMultiByte(
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CP_UTF8, WC_ERR_INVALID_CHARS, string_w, len_w, &buf->ptr[buf->size], utf8_len, NULL, NULL)) == 0)
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return handle_wc_error();
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assert(utf8_write_len == utf8_len);
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buf->size += utf8_write_len;
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buf->ptr[buf->size] = '\0';
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return 0;
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}
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