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README.md
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@ -67,12 +67,18 @@ For bugs you can use the
main.sld is the real main which is copied to main.scm
## Documentation WIP
Note that this documentation is work in process and very incomplete, sorry about that.
## Documentation
On some implementations these are procedures, on some macros.
The arguments are in form
- NAME - TYPE
The return value is in form
- TYPE
### Types
Types are given as symbols, for example 'int8 or 'pointer.
@ -105,22 +111,23 @@ Types are given as symbols, for example 'int8 or 'pointer.
Arguments:
- headers (list (string) ...)
- headers - (list string ...)
- C headers of the library
- For example (list "curl/curl.h")
- object-name (symbol)
- object-name - symbol
- The name of the dynamic library file you want to load
- Without the "lib" in front of it
- Without the ".so" or ".dll" at the end
- addition-versions (list (string)...)
- addition-versions - (list string...)
- For example (list ".0" ".1")
- addition-paths (list (string)...)
- addition-paths - (list string...)
- Any additional paths you want to search for the library
- For example (list "./mylibs")
Returns:
- (object) Shared object, the type depends on the implementation
- object
- Shared object, the type depends on the implementation
#### pffi-shared-object-load
@ -129,14 +136,17 @@ Returns:
Arguments:
- headers (list (string) ...) Headers that need to be included
- headers - (list string ...)
- Headers that need to be included
- Example (list "curl/curl.h")
- path (string) The full path to the shared object you want to load, including any "lib" infront and .so/.dll at the end
- path - string
- The full path to the shared object you want to load, including any "lib" infront and .so/.dll at the end
- Example "libcurl.so"
Returns:
- (object) Shared object, the type depends on the implementation
- object
- Shared object, the type depends on the implementation
@ -146,9 +156,141 @@ Defines new foreign procedure.
Arguments:
- scheme-name () The name of the procedure used on scheme side
- shared-object (object) The shared object
- scheme-name
- The name of the procedure used on scheme side
- shared-object - object
- The shared object
- Use pffi-shared-object-auto-load or pffi-shared-object-load to get this
- c-name (symbol) The name of the C function
- return-type (symbol) The return type of the C function
- arguments-types (list (symbol) ...) The C function argument types
- c-name - symbol
- The name of the C function
- return-type - symbol
- The return type of the C function
- arguments-types - (list symbol ...)
- The C function argument types
### pffi-size-of
Get the size of type.
Arguments:
- type - symbol
- The type you want the size of
Returns:
- number
- The size of the given type
### pffi-pointer-allocate
Allocates a pointer of given size.
Arguments:
- size - number
- The size of the pointer you want to allocate
Returns:
- object
- A pointer of given size
### pffi-pointer-null
Create a null pointer.
Returns:
- object
- Null pointer
### pffi-string->pointer
Arguments:
- string-content - string
- The string you want to transform into pointer
Returns:
- object
- Pointer of the given string
### pffi-pointer->string
Arguments:
- pointer - object
- The pointer you want to transform to string
Returns:
- string
- String from the given pointer
### pffi-pointer-free
Arguments:
- pointer - object
- The pointer you want to free
### pffi-pointer?
Arguments:
- object - object
- The object you want to check wether it is a pointer or not
Returns:
- boolean
- Returns true if given object is pointer, otherwise false
### pffi-pointer-set!
Arguments:
- pointer - object
- The pointer you want to modify
- type - symbol
- The type of value that will be put into the pointer
- offset -number
- The location of the value inside the pointer
- For example: (+ (pffi-size-of 'int) (pffi-size-of 'pointer)) or 0
- value - object
- The value to be placed into the object
### pffi-pointer-get
Arguments:
- pointer - object
- The pointer you want to get the value from
- type - symbol
- The type of value you want to get
- For example: 'int
- offset - number
- The location of the value inside the pointer
- For example: (+ (pffi-size-of 'int) (pffi-size-of 'pointer)) or 0
Returns:
- object
- The value in the poiner in the given offset as given type
### pffi-pointer-deref
Arguments:
- pointer
- The pointer to dereference
Returns:
- object
- Whatever the pointer holds