Add some debug information when reading the temporary file

haowenz · Jan 31, 2024 · 9e8c980 · 9e8c980
1 parent 3754176
commit 9e8c980
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Showing 3 changed files with 5 additions and 2 deletions.
diff --git a/chromap.1 b/chromap.1
@@ -1,4 +1,4 @@
-.TH chromap 1 "25 Jan 2024" "chromap-0.2.6 (r489)" "Bioinformatics tools"
+.TH chromap 1 "25 Jan 2024" "chromap-0.2.6 (r490)" "Bioinformatics tools"
 .SH NAME
 .PP
 chromap - fast alignment and preprocessing of chromatin profiles

diff --git a/src/chromap.h b/src/chromap.h
@@ -29,7 +29,7 @@
 #include "temp_mapping.h"
 #include "utils.h"
 
-#define CHROMAP_VERSION "0.2.6-r489"
+#define CHROMAP_VERSION "0.2.6-r490"
 
 namespace chromap {
 

diff --git a/src/temp_mapping.h b/src/temp_mapping.h
@@ -39,6 +39,9 @@ struct TempMappingFileHandle {
 
   inline void InitializeTempMappingLoading(uint32_t temp_mapping_block_size) {
     file = fopen(file_path.c_str(), "rb");
+    if (file == NULL) {
+      std::cerr << "Temporary file " << file_path << " is missing.\n" ;
+    }
     assert(file != NULL);
     num_mappings = 0;
     block_size = temp_mapping_block_size;