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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263/* SPDX-License-Identifier: GPL-2.0 *//* * C++ stream style string builder used in KUnit for building messages. * * Copyright (C) 2019, Google LLC. * Author: Brendan Higgins <brendanhiggins@google.com> */
#ifndef _KUNIT_STRING_STREAM_H#define _KUNIT_STRING_STREAM_H
#include <linux/spinlock.h>#include <linux/types.h>#include <linux/stdarg.h>
struct string_stream_fragment { struct list_head node; char *fragment;};
struct string_stream { size_t length; struct list_head fragments; /* length and fragments are protected by this lock */ spinlock_t lock; gfp_t gfp; bool append_newlines;};
struct kunit;
struct string_stream *kunit_alloc_string_stream(struct kunit *test, gfp_t gfp);void kunit_free_string_stream(struct kunit *test, struct string_stream *stream);
struct string_stream *alloc_string_stream(gfp_t gfp);void free_string_stream(struct string_stream *stream);
int __printf(2, 3) string_stream_add(struct string_stream *stream, const char *fmt, ...);
int __printf(2, 0) string_stream_vadd(struct string_stream *stream, const char *fmt, va_list args);
void string_stream_clear(struct string_stream *stream);
char *string_stream_get_string(struct string_stream *stream);
int string_stream_append(struct string_stream *stream, struct string_stream *other);
bool string_stream_is_empty(struct string_stream *stream);
void string_stream_destroy(struct string_stream *stream);
static inline void string_stream_set_append_newlines(struct string_stream *stream, bool append_newlines){ stream->append_newlines = append_newlines;}
#endif /* _KUNIT_STRING_STREAM_H */