From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sun, 26 Jan 2025 16:51:03 +0000 (+0000)
Subject: log buffer: Add a function to dump everything
X-Git-Tag: 0.9.30~367
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d387d68e1becf7b8c83466b3e0c22afb9f0a0eb;p=pakfire.git

log buffer: Add a function to dump everything

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/pakfire/log_buffer.c b/src/pakfire/log_buffer.c
index 0e592f52..4da52eab 100644
--- a/src/pakfire/log_buffer.c
+++ b/src/pakfire/log_buffer.c
@@ -188,3 +188,43 @@ int pakfire_log_buffer_dequeue(struct pakfire_log_buffer* buffer, int* priority,
 
 	return 0;
 }
+
+int pakfire_log_buffer_dump(struct pakfire_log_buffer* buffer, char** result, size_t* length) {
+	struct pakfire_log_line* line = NULL;
+	char* s = NULL;
+	size_t l = 0;
+	int r;
+
+	// Check inputs
+	if (!result || !length)
+		return -EINVAL;
+
+	// Compute the total length of the buffer that we will need
+	STAILQ_FOREACH(line, &buffer->lines, nodes) {
+		l += line->length;
+	}
+
+	// Nothing to do if the buffer is empty
+	if (!l)
+		return 0;
+
+	// Allocate a buffer that can fit the entire content
+	s = malloc(l);
+	if (!s)
+		return -errno;
+
+	char* p = s;
+
+	// Copy the entire content into the buffer
+	STAILQ_FOREACH(line, &buffer->lines, nodes) {
+		memcpy(p, line->line, line->length);
+
+		p += line->length;
+	}
+
+	// Return the buffer
+	*result = s;
+	*length = l;
+
+	return 0;
+}
diff --git a/src/pakfire/log_buffer.h b/src/pakfire/log_buffer.h
index 3dc865ea..9727a79a 100644
--- a/src/pakfire/log_buffer.h
+++ b/src/pakfire/log_buffer.h
@@ -36,4 +36,6 @@ struct pakfire_log_buffer* pakfire_log_buffer_unref(struct pakfire_log_buffer* b
 int pakfire_log_buffer_enqueue(struct pakfire_log_buffer* buffer, int priority, const char* line, ssize_t length);
 int pakfire_log_buffer_dequeue(struct pakfire_log_buffer* buffer, int* priority, char** line, size_t* length);
 
+int pakfire_log_buffer_dump(struct pakfire_log_buffer* buffer, char** result, size_t* length);
+
 #endif /* PAKFIRE_LOG_BUFFER_H */