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Rework immutability and overlays

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This commit is contained in:
Rudra Saraswat 2023-04-25 16:44:01 +05:30
parent fddf7f86ae
commit 5e65e6c06e
13 changed files with 1141 additions and 70 deletions
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37
overlayfs-tools/logic.h Executable file
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@ -0,0 +1,37 @@
/*
* logic.h / logic.c
*
* the logic for the three feature functions
*/
#ifndef OVERLAYFS_TOOLS_LOGIC_H
#define OVERLAYFS_TOOLS_LOGIC_H
#include <stdbool.h>
extern bool verbose;
extern bool brief;
/*
* feature function. will take very long time to complete. returns 0 on success
*/
int vacuum(const char* lowerdir, const char* upperdir, FILE* script_stream);
/*
* feature function. will take very long time to complete. returns 0 on success
*/
int diff(const char* lowerdir, const char* upperdir);
/*
* feature function. will take very long time to complete. returns 0 on success
*/
int merge(const char* lowerdir, const char* upperdir, FILE* script_stream);
/*
* Unfold metacopy and redirect upper.
*
* mountdir is required and lowerdir is irrelevant.
*/
int deref(const char* mountdir, const char* upperdir, FILE* script_stream);
#endif //OVERLAYFS_TOOLS_LOGIC_H