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d2654d4951
Now that I can test Windows binaries again, the bugs were rather easy to spot. Because of the different flow of the opening, writing and closing of the registry key my first attempt got things wrong - we simply always create the key with all access rights; if it exists Windows will just open it for us. The second bug was a cut'n'paste error. Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/* windows.c */
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/* implements Windows specific functions */
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#include "display-gtk.h"
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#include <windows.h>
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static HKEY hkey;
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static int get_from_registry(HKEY hkey, const char *key)
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{
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DWORD value;
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DWORD len = 4;
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LONG success;
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success = RegQueryValueEx(hkey, TEXT(key), NULL, NULL,
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(LPBYTE) &value, &len );
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if (success != ERROR_SUCCESS)
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return FALSE; /* that's what happens the first time we start */
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return value;
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}
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void subsurface_open_conf(void)
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{
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LONG success;
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success = RegCreateKeyEx(HKEY_CURRENT_USER, TEXT("Software\\subsurface"),
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0L, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS,
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NULL, &hkey, NULL);
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if (success != ERROR_SUCCESS)
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printf("CreateKey Software\\subsurface failed %ld\n", success);
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}
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void subsurface_set_conf(char *name, pref_type_t type, const void *value)
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{
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switch (type) {
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case PREF_BOOL:
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/* we simply store the value as DWORD */
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RegSetValueEx(hkey, TEXT(name), 0, REG_DWORD, &value, 4);
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break;
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case PREF_STRING:
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RegSetValueEx(hkey, TEXT(name), 0, REG_SZ, value, strlen(value));
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}
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}
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const void *subsurface_get_conf(char *name, pref_type_t type)
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{
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LONG success;
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char *string;
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int len;
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switch (type) {
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case PREF_BOOL:
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return get_from_registry(hkey, name) ? (void *) 1 : NULL;
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case PREF_STRING:
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string = malloc(80);
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len = 80;
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success = RegQueryValueEx(hkey, TEXT(name), NULL, NULL,
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(LPBYTE) string, (LPDWORD)&len );
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if (success != ERROR_SUCCESS) {
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/* that's what happens the first time we start - just return NULL */
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free(string);
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return NULL;
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}
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return string;
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}
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/* we shouldn't get here */
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return NULL;
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}
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void subsurface_close_conf(void)
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{
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if (RegFlushKey(hkey) != ERROR_SUCCESS)
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printf("RegFlushKey failed \n");
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RegCloseKey(hkey);
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}
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