From e0c86995be583a40ddd732c4e565f72946a81cd6 Mon Sep 17 00:00:00 2001
From: dreamsourcelabTAI <tzz@dreamsourcelab.com>
Date: Tue, 16 May 2023 16:57:02 +0800
Subject: [PATCH] fix: Failed to compile on mac

---
 libsigrok4DSL/hardware/demo/demo.c | 8 +++++---
 libsigrok4DSL/hardware/demo/demo.h | 2 +-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/libsigrok4DSL/hardware/demo/demo.c b/libsigrok4DSL/hardware/demo/demo.c
index 3ffeba6b..b5ac6908 100644
--- a/libsigrok4DSL/hardware/demo/demo.c
+++ b/libsigrok4DSL/hardware/demo/demo.c
@@ -220,7 +220,7 @@ static int get_pattern_mode_from_file(uint8_t device_mode)
     dir = g_dir_open(dir_str,0,NULL);
     if(dir == NULL)
     {
-        return;
+        return 0;
     }
 
     while ((filename = g_dir_read_name(dir)) != NULL)
@@ -251,6 +251,8 @@ static int get_pattern_mode_from_file(uint8_t device_mode)
         pattern_dso_count = index;
     else if(device_mode == ANALOG)
         pattern_analog_count = index;
+
+    return 0;
 }
 
 static int scan_dsl_file(struct sr_dev_inst *sdi)
@@ -423,7 +425,7 @@ static int init_random_data(struct session_vdev * vdev,struct sr_dev_inst *sdi)
             probe_count[cur_probe] -= 1;
         }
     }
-    return;
+    return 0;
 }
 
 
@@ -448,7 +450,7 @@ static GSList *hw_scan(GSList *options)
     if (vdev == NULL)
     {
         sr_err("%s: sdi->priv malloc failed", __func__);
-        return SR_ERR_MALLOC;
+        return devices;
     }
 
     sdi = sr_dev_inst_new(LOGIC, SR_ST_INACTIVE,
diff --git a/libsigrok4DSL/hardware/demo/demo.h b/libsigrok4DSL/hardware/demo/demo.h
index de574896..8e33a378 100644
--- a/libsigrok4DSL/hardware/demo/demo.h
+++ b/libsigrok4DSL/hardware/demo/demo.h
@@ -136,7 +136,7 @@ struct DEMO_caps {
     const uint64_t *vdivs;
     uint8_t vga_id;
     uint16_t default_channelmode;
-    enum DEMO_PATTERN default_pattern;
+    int default_pattern; /**enum DEMO_PATTERN type*/
     uint64_t default_timebase;
 };