X-Git-Url: https://git.lttng.org/?p=lttv.git;a=blobdiff_plain;f=ltt%2Ftracefile.c;h=21188917fe3773eb493610201cc94e545b5f8f4f;hp=8813cfb8effb3872651bcc6c19235e35a21f4383;hb=refs%2Fheads%2Ftraceformat-2.3;hpb=0ab8f4ef603497659971e1dd9f17f6aa37bec79f

diff --git a/ltt/tracefile.c b/ltt/tracefile.c
index 8813cfb8..21188917 100644
--- a/ltt/tracefile.c
+++ b/ltt/tracefile.c
@@ -1734,7 +1734,7 @@ static __attribute__((constructor)) void init(void)
  *Function name
  *    ltt_tracefile_open_header    : based on ltt_tracefile_open but it stops
  *				     when it gets the header
- *Input params 
+ *Input params
  *    fileName	      : path to the tracefile
  *    tf	      : the tracefile (metadata_0) where the header will be read
  *Return value
@@ -1745,7 +1745,7 @@ static ltt_subbuffer_header_t * ltt_tracefile_open_header(gchar *fileName, LttTr
         struct stat    lTDFStat;    /* Trace data file status */
         ltt_subbuffer_header_t *header;
         int page_size = getpagesize();
-        
+
         /* open the file */
         tf->long_name = g_quark_from_string(fileName);
         tf->fd = open(fileName, O_RDONLY);
@@ -1753,33 +1753,33 @@ static ltt_subbuffer_header_t * ltt_tracefile_open_header(gchar *fileName, LttTr
                 g_warning("Unable to open input data file %s\n", fileName);
                 goto end;
         }
-        
-        /* Get the file's status */ 
+
+        /* Get the file's status */
         if(fstat(tf->fd, &lTDFStat) < 0){
                 g_warning("Unable to get the status of the input data file %s\n", fileName);
                 goto close_file;
         }
-        
+
         /* Is the file large enough to contain a trace */
         if(lTDFStat.st_size < (off_t)(ltt_subbuffer_header_size())) {
                 g_print("The input data file %s does not contain a trace\n", fileName);
                 goto close_file;
         }
-        
+
         /* Temporarily map the buffer start header to get trace information */
         /* Multiple of pages aligned head */
         tf->buffer.head = mmap(0,PAGE_ALIGN(ltt_subbuffer_header_size()), PROT_READ, MAP_PRIVATE, tf->fd, 0);
-        
+
         if(tf->buffer.head == MAP_FAILED) {
                 perror("Error in allocating memory for buffer of tracefile");
                 goto close_file;
         }
         g_assert( ( (gulong)tf->buffer.head&(8-1) ) == 0); // make sure it's aligned.
-        
+
         header = (ltt_subbuffer_header_t *)tf->buffer.head;
-        
+
         return header;
-        
+
         close_file:
                 close(tf->fd);
         end:
@@ -1790,13 +1790,13 @@ static ltt_subbuffer_header_t * ltt_tracefile_open_header(gchar *fileName, LttTr
 /*****************************************************************************
  *Function name
  *    get_version    : get the trace version from a metadata_0 trace file
- *Input params 
+ *Input params
  *    pathname	      : path to the trace
  *    version_number  : the struct that will get the version number
  *Return value
  *    int         : 1 if succeed, -1 if error
  ****************************************************************************/
-int ltt_get_trace_version(const gchar *pathname, struct LttTraceVersion *version_number) 
+int ltt_get_trace_version(const gchar *pathname, struct LttTraceVersion *version_number)
 {
 	gchar abs_path[PATH_MAX];
 	int ret = 0;
@@ -1804,23 +1804,23 @@ int ltt_get_trace_version(const gchar *pathname, struct LttTraceVersion *version
 	struct dirent *entry;
 	struct stat stat_buf;
 	gchar path[PATH_MAX];
-	
+
 	LttTracefile tmp_tf;
 	LttTrace  * t;
 	ltt_subbuffer_header_t *header;
-	
+
 	t = g_new(LttTrace, 1);
-	  
+
 	get_absolute_pathname(pathname, abs_path);
-        
+
 	/* Test to see if it looks like a trace */
 	dir = opendir(abs_path);
-	
+
 	if(dir == NULL) {
 		perror(abs_path);
 		goto open_error;
 	}
-	
+
 	while((entry = readdir(dir)) != NULL) {
 		strcpy(path, abs_path);
 		strcat(path, "/");
@@ -1831,14 +1831,14 @@ int ltt_get_trace_version(const gchar *pathname, struct LttTraceVersion *version
 			continue;
 		}
 	}
-	
-	closedir(dir);	
+
+	closedir(dir);
 	dir = opendir(abs_path);
-        
+
 	while((entry = readdir(dir)) != NULL) {
 		if(entry->d_name[0] == '.') continue;
 		if(g_strcmp0(entry->d_name, "metadata_0") != 0) continue;
-		
+
 		strcpy(path, abs_path);
 		strcat(path, "/");
 		strcat(path, entry->d_name);
@@ -1846,20 +1846,20 @@ int ltt_get_trace_version(const gchar *pathname, struct LttTraceVersion *version
 			perror(path);
 			continue;
 		}
- 		
- 		header = ltt_tracefile_open_header(path, &tmp_tf);
- 		
+
+                header = ltt_tracefile_open_header(path, &tmp_tf);
+
 		if(header == NULL) {
 			g_info("Error getting the header %s", path);
 			continue; /* error opening the tracefile : bad magic number ? */
 		}
-       		
-     		version_number->ltt_major_version = header->major_version;
-    		version_number->ltt_minor_version = header->minor_version;
+
+                version_number->ltt_major_version = header->major_version;
+                version_number->ltt_minor_version = header->minor_version;
 	}
-	
+
 	return 0;
-	
+
 	open_error:
                 g_free(t);
                 return -1;