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support: Add support_copy_file

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Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2020-11-26 16:59:44 +01:00
parent 05d38b3ef5
commit 603ae243f6
3 changed files with 49 additions and 0 deletions
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5
support/support.h
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@@ -119,6 +119,11 @@ extern const char support_install_rootsbindir[];
/* Corresponds to the install's compiled locale directory. */
extern const char support_complocaledir_prefix[];
/* Copies the file at the path FROM to TO. If TO does not exist, it
is created. If TO is a regular file, it is truncated before
copying. The file mode is copied, but the permissions are not. */
extern void support_copy_file (const char *from, const char *to);
extern ssize_t support_copy_file_range (int, off64_t *, int, off64_t *,
size_t, unsigned int);