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-rw-r--r--src/shvar.h103
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diff --git a/src/shvar.h b/src/shvar.h
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--- a/src/shvar.h
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-/*
- * shvar.h
- *
- * Interface for non-destructively reading/writing files containing
- * only shell variable declarations and full-line comments.
- *
- * Includes explicit inheritance mechanism intended for use with
- * Red Hat Linux ifcfg-* files. There is no protection against
- * inheritance loops; they will generally cause stack overflows.
- * Furthermore, they are only intended for one level of inheritance;
- * the value setting algorithm assumes this.
- *
- * Copyright 1999 Red Hat, Inc.
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-#ifndef _SHVAR_H
-#define _SHVAR_H
-
-#include <glib.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-typedef struct _shvarFile shvarFile;
-struct _shvarFile {
- char *fileName; /* read-only */
- int fd; /* read-only */
- char *arena; /* ignore */
- GList *lineList; /* read-only */
- GList *freeList; /* ignore */
- GList *current; /* set implicitly or explicitly,
- points to element of lineList */
- shvarFile *parent; /* set explicitly */
- int modified; /* ignore */
-};
-
-
-/* Create the file <name>, return shvarFile on success, NULL on failure */
-shvarFile *
-svCreateFile(const char *name);
-
-/* Open the file <name>, return shvarFile on success, NULL on failure */
-shvarFile *
-svNewFile(const char *name);
-
-/* 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.
- */
-char *
-svGetValue(shvarFile *s, const char *key);
-
-/* return 1 if <key> resolves to any truth value (e.g. "yes", "y", "true")
- * return 0 if <key> resolves to any non-truth value (e.g. "no", "n", "false")
- * return <def> otherwise
- */
-int
-svTrueValue(shvarFile *s, const char *key, int def);
-
-/* 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.
- */
-void
-svSetValue(shvarFile *s, const char *key, const char *value);
-
-
-/* Write the current contents iff modified. Returns -1 on error
- * and 0 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.
- */
-int
-svWriteFile(shvarFile *s, int mode);
-
-/* Close the file descriptor (if open) and delete the shvarFile.
- * Returns -1 on error and 0 on success.
- */
-int
-svCloseFile(shvarFile *s);
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* ! _SHVAR_H */