57957761ed
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@800 212acab6-be3b-0410-9dea-997c60f758d6
103 lines
2.1 KiB
C
103 lines
2.1 KiB
C
#include <windows.h>
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typedef struct _stack_t {
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struct _stack_t *next;
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char text[1]; // this should be the length of string_size
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} stack_t;
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int popstring(char *str); // 0 on success, 1 on empty stack
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void pushstring(char *str);
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enum
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{
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INST_0, // $0
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INST_1, // $1
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INST_2, // $2
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INST_3, // $3
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INST_4, // $4
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INST_5, // $5
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INST_6, // $6
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INST_7, // $7
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INST_8, // $8
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INST_9, // $9
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INST_R0, // $R0
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INST_R1, // $R1
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INST_R2, // $R2
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INST_R3, // $R3
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INST_R4, // $R4
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INST_R5, // $R5
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INST_R6, // $R6
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INST_R7, // $R7
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INST_R8, // $R8
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INST_R9, // $R9
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INST_CMDLINE, // $CMDLINE
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INST_INSTDIR, // $INSTDIR
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INST_OUTDIR, // $OUTDIR
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INST_EXEDIR, // $EXEDIR
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INST_LANG, // $LANGUAGE
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__INST_LAST
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};
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char *getuservariable(int varnum);
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HINSTANCE g_hInstance;
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HWND g_hwndParent;
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int g_stringsize;
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stack_t **g_stacktop;
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char *g_variables;
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void __declspec(dllexport) myFunction(HWND hwndParent, int string_size,
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char *variables, stack_t **stacktop)
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{
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g_hwndParent=hwndParent;
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g_stringsize=string_size;
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g_stacktop=stacktop;
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g_variables=variables;
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// do your stuff here
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{
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char buf[1024];
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wsprintf(buf,"$0=%s\n",getuservariable(INST_0));
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MessageBox(g_hwndParent,buf,0,MB_OK);
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}
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}
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BOOL WINAPI _DllMainCRTStartup(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
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{
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g_hInstance=hInst;
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return TRUE;
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}
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// utility functions (not required but often useful)
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int popstring(char *str)
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{
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stack_t *th;
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if (!g_stacktop || !*g_stacktop) return 1;
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th=(*g_stacktop);
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lstrcpy(str,th->text);
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*g_stacktop = th->next;
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GlobalFree((HGLOBAL)th);
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return 0;
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}
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void pushstring(char *str)
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{
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stack_t *th;
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if (!g_stacktop) return;
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th=(stack_t*)GlobalAlloc(GPTR,sizeof(stack_t)+g_stringsize);
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lstrcpyn(th->text,str,g_stringsize);
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th->next=*g_stacktop;
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*g_stacktop=th;
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}
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char *getuservariable(int varnum)
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{
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if (varnum < 0 || varnum >= __INST_LAST) return NULL;
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return g_variables+varnum*g_stringsize;
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}
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