diff options
Diffstat (limited to 'src/windows/lib/registry.c')
| -rw-r--r-- | src/windows/lib/registry.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/src/windows/lib/registry.c b/src/windows/lib/registry.c new file mode 100644 index 0000000000..7dfbb5bffd --- /dev/null +++ b/src/windows/lib/registry.c @@ -0,0 +1,231 @@ +/* + * Copyright (c) 1997 Cygnus Solutions + * + * Author: Michael Graff + */ + +#include <windows.h> +#include <windowsx.h> + +#include "registry.h" + +HKEY +registry_open(HKEY hkey, char *base, REGSAM sam) +{ + HKEY k = INVALID_HANDLE_VALUE; + DWORD err; + + /* + * if the base path is null, return the already open key in hkey + */ + if (base == NULL) + return hkey; + + err = RegOpenKeyEx(hkey, base, 0, sam, &hkey); + if (err != ERROR_SUCCESS) + return INVALID_HANDLE_VALUE; + + return hkey; +} + +void +registry_close(HKEY hkey) +{ + CloseHandle(hkey); +} + +HKEY +registry_key_create(HKEY hkey, char *sub, REGSAM sam) +{ + HKEY key; + DWORD err; + DWORD disp; + + err = RegCreateKeyEx(hkey, sub, 0, 0, REG_OPTION_NON_VOLATILE, sam, + NULL, &key, &disp); + if (err != ERROR_SUCCESS) + return INVALID_HANDLE_VALUE; + + return key; +} + +int +registry_key_delete(HKEY hkey, char *sub) +{ + DWORD err; + + err = RegDeleteKey(hkey, sub); + if (err != ERROR_SUCCESS) + return -1; + + return 0; +} + +int +registry_string_get(HKEY hkey, char *sub, char **val) +{ + DWORD err; + DWORD type; + DWORD datasize; + + err = RegQueryValueEx(hkey, sub, 0, &type, 0, &datasize); + if (err != ERROR_SUCCESS || type != REG_SZ) { + *val = NULL; + return -1; + } + + *val = malloc(datasize); + if (*val == NULL) + return -1; + + err = RegQueryValueEx(hkey, sub, 0, &type, *val, &datasize); + if (err != ERROR_SUCCESS) { + free(*val); + *val = NULL; + return -1; + } + + return 0; +} + +int +registry_dword_get(HKEY hkey, char *sub, DWORD *val) +{ + DWORD err; + DWORD type; + DWORD datasize; + + err = RegQueryValueEx(hkey, sub, 0, &type, 0, &datasize); + if (err != ERROR_SUCCESS || type != REG_DWORD) { + *val = 0; + return -1; + } + + err = RegQueryValueEx(hkey, sub, 0, &type, (BYTE *)val, &datasize); + if (err != ERROR_SUCCESS) { + *val = 0; + return -1; + } + + return 0; +} + +int +registry_string_set(HKEY hkey, char *sub, char *x) +{ + DWORD err; + + err = RegSetValueEx(hkey, sub, 0, REG_SZ, (BYTE *)x, strlen(x) + 1); + if (err != ERROR_SUCCESS) + return -1; + + return 0; +} + +int +registry_dword_set(HKEY hkey, char *sub, DWORD x) +{ + DWORD err; + + err = RegSetValueEx(hkey, sub, 0, REG_DWORD, (CONST BYTE *)&x, sizeof(DWORD)); + if (err != ERROR_SUCCESS) + return -1; + + return 0; +} + +int +registry_keyval_dword_set(HKEY hkey, char *base, char *sub, DWORD val) +{ + HKEY k; + int err; + + k = registry_open(hkey, base, KEY_WRITE); + if (k == INVALID_HANDLE_VALUE) + return -1; + + err = registry_dword_set(k, sub, val); + + registry_close(k); + + return err; +} + +int +registry_keyval_dword_get(HKEY hkey, char *base, char *sub, DWORD *val) +{ + HKEY k; + int err; + + k = registry_open(hkey, base, KEY_READ); + if (k == INVALID_HANDLE_VALUE) + return -1; + + err = registry_dword_get(k, sub, val); + + registry_close(k); + + return err; +} + +int +registry_keyval_string_get(HKEY hkey, char *base, char *sub, char **val) +{ + HKEY k; + int err; + + k = registry_open(hkey, base, KEY_READ); + if (k == INVALID_HANDLE_VALUE) { + *val = NULL; + return -1; + } + + err = registry_string_get(k, sub, val); + + registry_close(k); + + return err; +} + +int +registry_keyval_string_set(HKEY hkey, char *base, char *sub, char *val) +{ + HKEY k; + int err; + + k = registry_open(hkey, base, KEY_WRITE); + if (k == INVALID_HANDLE_VALUE) + return -1; + + err = registry_string_set(k, sub, val); + + registry_close(k); + + return err; +} + +int +registry_value_delete(HKEY hkey, char *sub) +{ + if (RegDeleteValue(hkey, sub)) + return -1; + + return 0; +} + +int +registry_keyval_delete(HKEY hkey, char *base, char *sub) +{ + HKEY k; + int err; + + k = registry_open(hkey, base, KEY_WRITE); + if (k == INVALID_HANDLE_VALUE) + return -1; + + err = registry_value_delete(k, sub); + + registry_close(k); + + return err; +} |