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util: string: define cleanup function using VIR_DEFINE_AUTOPTR_FUNC 

Using the new VIR_DEFINE_AUTOPTR_FUNC macro defined in
src/util/viralloc.h, define a new wrapper around an existing
cleanup function which will be called when a variable declared
with VIR_AUTOPTR macro goes out of scope.

Alias virString to (char *) so that the new cleanup macros
can be used for a list of strings (char **).

When a list of strings (virString *) is declared using VIR_AUTOPTR,
the function virStringListFree will be run automatically on it when
it goes out of scope.

Signed-off-by: Sukrit Bhatnagar <skrtbhtngr@gmail.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
This commit is contained in:
Sukrit Bhatnagar 2018-07-13 23:24:41 +05:30 committed by Erik Skultety
parent e36bb5c572
commit ca815513bc
1 changed files with 5 additions and 0 deletions
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5
src/util/virstring.h
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@ -25,6 +25,9 @@
# include <stdarg.h>
# include "internal.h"
# include "viralloc.h"
typedef char *virString;
char **virStringSplitCount(const char *string,
const char *delim,
@ -309,4 +312,6 @@ int virStringParsePort(const char *str,
unsigned int *port)
ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
VIR_DEFINE_AUTOPTR_FUNC(virString, virStringListFree)
#endif /* __VIR_STRING_H__ */