1 /* ----------------------------------------------------------------------------- 2 * cdata.i 3 * 4 * SWIG library file containing macros for manipulating raw C data as strings. 5 * ----------------------------------------------------------------------------- */ 6 7 %{ 8 typedef struct SWIGCDATA { 9 char *data; 10 int len; 11 } SWIGCDATA; 12 %} 13 14 %typemap(gotype) SWIGCDATA %{ []byte %} 15 %typemap(out) SWIGCDATA %{ 16 $result.data = (char*)_swig_goallocate($1.len); 17 memcpy($result.data, $1.data, $1.len); 18 $result.len = (int)$1.len; 19 %} 20 21 /* ----------------------------------------------------------------------------- 22 * %cdata(TYPE [, NAME]) 23 * 24 * Convert raw C data to a binary string. 25 * ----------------------------------------------------------------------------- */ 26 27 %define %cdata(TYPE,NAME...) 28 29 %insert("header") { 30 #if #NAME == "" 31 static SWIGCDATA cdata_##TYPE(TYPE *ptr, int nelements) { 32 #else 33 static SWIGCDATA cdata_##NAME(TYPE *ptr, int nelements) { 34 #endif 35 SWIGCDATA d; 36 d.data = (char *) ptr; 37 #if #TYPE != "void" 38 d.len = nelements*sizeof(TYPE); 39 #else 40 d.len = nelements; 41 #endif 42 return d; 43 } 44 } 45 46 %typemap(default) int nelements "$1 = 1;" 47 48 #if #NAME == "" 49 SWIGCDATA cdata_##TYPE(TYPE *ptr, int nelements); 50 #else 51 SWIGCDATA cdata_##NAME(TYPE *ptr, int nelements); 52 #endif 53 %enddef 54 55 %typemap(default) int nelements; 56 57 %rename(cdata) ::cdata_void(void *ptr, int nelements); 58 59 %cdata(void); 60 61 /* Memory move function. Due to multi-argument typemaps this appears 62 to be wrapped as 63 void memmove(void *data, const char *s); */ 64 void memmove(void *data, char *indata, int inlen); 65
