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cutils: introduce get_relocated_path

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Add the function that will compute a relocated version of the
directories in CONFIG_QEMU_*DIR and CONFIG_QEMU_*PATH.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2020-08-18 11:55:47 +02:00
parent 9386a4a715
commit f4f5ed2cbd
3 changed files with 75 additions and 2 deletions
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12
include/qemu/cutils.h
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@ -184,4 +184,16 @@ int uleb128_decode_small(const uint8_t *in, uint32_t *n);
*/
int qemu_pstrcmp0(const char **str1, const char **str2);
/**
* get_relocated_path:
* @dir: the directory (typically a `CONFIG_*DIR` variable) to be relocated.
*
* Returns a path for @dir that uses the directory of the running executable
* as the prefix. For example, if `bindir` is `/usr/bin` and @dir is
* `/usr/share/qemu`, the function will append `../share/qemu` to the
* directory that contains the running executable and return the result.
*/
char *get_relocated_path(const char *dir);
#endif