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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 1999 Red Hat, Inc.
*/
#ifndef _SHVAR_H
#define _SHVAR_H
typedef struct _shvarFile shvarFile;
typedef enum {
SV_KEY_TYPE_ANY = (1LL << 0),
SV_KEY_TYPE_ROUTE_SVFORMAT = (1LL << 1),
SV_KEY_TYPE_IP4_ADDRESS = (1LL << 2),
SV_KEY_TYPE_TC = (1LL << 3),
SV_KEY_TYPE_USER = (1LL << 4),
SV_KEY_TYPE_SRIOV_VF = (1LL << 5),
SV_KEY_TYPE_ROUTING_RULE4 = (1LL << 6),
SV_KEY_TYPE_ROUTING_RULE6 = (1LL << 7),
} SvKeyType;
const char *svFileGetName(const shvarFile *s);
void _nmtst_svFileSetName(shvarFile *s, const char *fileName);
void _nmtst_svFileSetModified(shvarFile *s);
/*****************************************************************************/
shvarFile *svFile_new(const char *name, int fd, const char *content);
/* Create the file <name>, return a shvarFile (never fails) */
shvarFile *svCreateFile(const char *name);
/* Open the file <name>, return shvarFile on success, NULL on failure */
shvarFile *svOpenFile(const char *name, GError **error);
/*****************************************************************************/
const char *svFindFirstNumberedKey(shvarFile *s, const char *key_prefix);
/* Get the value associated with the key, and leave the current pointer
* pointing at the line containing the value. The char* returned MUST
* be freed by the caller.
*/
const char *svGetValue(shvarFile *s, const char *key, char **to_free);
char * svGetValue_cp(shvarFile *s, const char *key);
const char *svGetValueStr(shvarFile *s, const char *key, char **to_free);
char * svGetValueStr_cp(shvarFile *s, const char *key);
int svParseBoolean(const char *value, int def);
gint64 svNumberedParseKey(const char *key);
GHashTable *svGetKeys(shvarFile *s, SvKeyType match_key_type);
const char **svGetKeysSorted(shvarFile *s, SvKeyType match_key_type, guint *out_len);
/* return TRUE if <key> resolves to any truth value (e.g. "yes", "y", "true")
* return FALSE if <key> resolves to any non-truth value (e.g. "no", "n", "false")
* return <def> otherwise
*/
int svGetValueBoolean(shvarFile *s, const char *key, int def);
NMTernary svGetValueTernary(shvarFile *s, const char *key);
gint64
svGetValueInt64(shvarFile *s, const char *key, guint base, gint64 min, gint64 max, gint64 fallback);
gboolean svGetValueEnum(shvarFile *s, const char *key, GType gtype, int *out_value, GError **error);
/* Set the variable <key> equal to the value <value>.
* If <key> does not exist, and the <current> pointer is set, append
* the key=value pair after that line. Otherwise, prepend the pair
* to the top of the file.
*/
gboolean svSetValue(shvarFile *s, const char *key, const char *value);
gboolean svSetValueStr(shvarFile *s, const char *key, const char *value);
gboolean svSetValueBoolean(shvarFile *s, const char *key, gboolean value);
gboolean svSetValueBoolean_cond_true(shvarFile *s, const char *key, gboolean value);
gboolean svSetValueInt64(shvarFile *s, const char *key, gint64 value);
gboolean svSetValueInt64_cond(shvarFile *s, const char *key, gboolean do_set, gint64 value);
gboolean svSetValueEnum(shvarFile *s, const char *key, GType gtype, int value);
gboolean svSetValueTernary(shvarFile *s, const char *key, NMTernary value);
gboolean svUnsetValue(shvarFile *s, const char *key);
gboolean svUnsetAll(shvarFile *s, SvKeyType match_key_type);
gboolean svUnsetDirtyWellknown(shvarFile *s, NMTernary new_dirty_value);
/* Write the current contents iff modified. Returns FALSE on error
* and TRUE on success. Do not write if no values have been modified.
* The mode argument is only used if creating the file, not if
* re-writing an existing file, and is passed unchanged to the
* open() syscall.
*/
gboolean svWriteFile(shvarFile *s, int mode, GError **error);
static inline gboolean
svWriteFileWithoutDirtyWellknown(shvarFile *s, int mode, GError **error)
{
svUnsetDirtyWellknown(s, NM_TERNARY_FALSE);
return svWriteFile(s, mode, error);
}
/* Close the file descriptor (if open) and free the shvarFile. */
void svCloseFile(shvarFile *s);
const char *svEscape(const char *s, char **to_free);
const char *svUnescape(const char *s, char **to_free);
static inline void
_nm_auto_shvar_file_close(shvarFile **p_s)
{
if (*p_s) {
int errsv = errno;
svCloseFile(*p_s);
errno = errsv;
}
}
#define nm_auto_shvar_file_close nm_auto(_nm_auto_shvar_file_close)
#endif /* _SHVAR_H */
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