From c37da4cf5d1415cfd6c7dfd7d065d7f043c3113f Mon Sep 17 00:00:00 2001
From: dreamsourcelabTAI <tzz@dreamsourcelab.com>
Date: Tue, 9 Apr 2024 16:36:50 +0800
Subject: [PATCH] fix: the format buffer is tool small for dso cursor

---
 DSView/pv/view/ruler.cpp         | 10 +++++-----
 DSView/pv/view/ruler.h           |  2 +-
 DSView/pv/view/spectrumtrace.cpp |  4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/DSView/pv/view/ruler.cpp b/DSView/pv/view/ruler.cpp
index 24558a82..a7a5a3ff 100644
--- a/DSView/pv/view/ruler.cpp
+++ b/DSView/pv/view/ruler.cpp
@@ -105,7 +105,7 @@ Ruler::Ruler(View &parent) :
 		this, SLOT(hover_point_changed()));
 }
 
-QString Ruler::format_freq(double period, unsigned precision)
+QString Ruler::format_freq(double period, unsigned int precision)
 {   
     if (period <= 0) {
         return View::Unknown_Str;
@@ -124,8 +124,8 @@ QString Ruler::format_freq(double period, unsigned precision)
         return s;
         */
        
-        char buffer[20] = {0};
-        char format[10] = {0};
+        char buffer[50] = {0};
+        char format[15] = {0};
         QString units = FreqPrefixes[prefix] + "Hz";
         sprintf(format, "%%.%df", (int)precision);       
         sprintf(buffer, format, 1 / (period * multiplier));
@@ -148,8 +148,8 @@ QString Ruler::format_time(double t, int prefix,
 	return s;
     */
 
-    char buffer[20] = {0};
-    char format[10] = {0}; 
+    char buffer[50];
+    char format[15];
     QString units = SIPrefixes[prefix] + "s";
     double v = (t * multiplier) / 1000000.0;
     buffer[0] = v >= 0 ? '+' : '-';
diff --git a/DSView/pv/view/ruler.h b/DSView/pv/view/ruler.h
index 37c92d5e..c9a7dee5 100644
--- a/DSView/pv/view/ruler.h
+++ b/DSView/pv/view/ruler.h
@@ -62,7 +62,7 @@ public:
 
     static QString format_time(double t, int prefix,
         unsigned precision = pricision);
-    static QString format_freq(double period, unsigned precision = pricision);
+    static QString format_freq(double period, unsigned int precision = pricision);
     QString format_time(double t);
     static QString format_real_time(uint64_t delta_index, uint64_t sample_rate);
     static QString format_real_freq(uint64_t delta_index, uint64_t sample_rate);
diff --git a/DSView/pv/view/spectrumtrace.cpp b/DSView/pv/view/spectrumtrace.cpp
index 064f3a6c..64dd42cd 100644
--- a/DSView/pv/view/spectrumtrace.cpp
+++ b/DSView/pv/view/spectrumtrace.cpp
@@ -230,8 +230,8 @@ QString SpectrumTrace::format_freq(double freq, unsigned precision)
         return s;
         */
 
-        char buffer[20] = {0};
-        char format[10] = {0}; 
+        char buffer[50] = {0};
+        char format[15] = {0}; 
         QString units = FreqPrefixes[prefix] + "Hz";
         sprintf(format, "%%.%df", (int)precision);    
         sprintf(buffer, format, freq / divider);