Include DEBUG_BT() and DEBUG_FD() functions

[geeqie.git] / src / debug.cc

diff --git a/src/debug.cc b/src/debug.cc
index 3ec5678..940c352 100644 (file)
--- a/src/debug.cc
+++ b/src/debug.cc
@@ -21,9 +21,15 @@
 #include "main.h"
 #include "debug.h"
 
+#include "filedata.h"
 #include "logwindow.h"
+#include "misc.h"
 #include "ui-fileops.h"
 
+#ifdef HAVE_EXECINFO_H
+#include <execinfo.h>
+#endif
+
 #include <regex.h>
 
 /*
@@ -250,5 +256,118 @@ gchar *get_regexp(void)
        return g_strdup(regexp);
 }
 
+#ifdef HAVE_EXECINFO_H
+/**
+ * @brief Backtrace of geeqie files
+ * @param file 
+ * @param function 
+ * @param line 
+ * 
+ * Requires command line program addr2line \n
+ * Prints the contents of the backtrace buffer for Geeqie files. \n
+ * Format printed is: \n
+ * <full path to source file>:<line number>
+ *
+ * The log window F1 command and options->log_window.action may be used
+ * to open an editor at a backtrace location.
+ */
+void log_print_backtrace(const gchar *file, const gchar *function, gint line)
+{
+       FILE *fp;
+       char **bt_syms;
+       char path[2048];
+       gchar *address_offset;
+       gchar *cmd_line;
+       gchar *exe_path;
+       gchar *function_name;
+       gchar *paren_end;
+       gchar *paren_start;
+       gint bt_size;
+       gint i;
+       void *bt[1024];
+
+       if (runcmd((gchar *)"which addr2line >/dev/null 2>&1") == 0)
+               {
+               exe_path = g_path_get_dirname(gq_executable_path);
+               bt_size = backtrace(bt, 1024);
+               bt_syms = backtrace_symbols(bt, bt_size);
+
+               log_printf("Backtrace start");
+               log_printf("%s/../%s:%d %s\n", exe_path, file, line, function);
+
+               /* Last item is always "??:?", so ignore it */
+               for (i = 1; i < bt_size - 1; i++)
+                       {
+                       if (strstr(bt_syms[i], GQ_APPNAME_LC))
+                               {
+                               paren_start = g_strstr_len(bt_syms[i], -1, "(");
+                               paren_end = g_strstr_len(bt_syms[i], -1, ")");
+                               address_offset = g_strndup(paren_start + 1, paren_end - paren_start - 1);
+
+                               cmd_line = g_strconcat("addr2line -p -f -C -e ", gq_executable_path, " ", address_offset, NULL);
+
+                               fp = popen(cmd_line, "r");
+                               if (fp == NULL)
+                                       {
+                                       log_printf("Failed to run command: %s", cmd_line);
+                                       }
+                               else
+                                       {
+                                       while (fgets(path, sizeof(path), fp) != NULL)
+                                               {
+                                               /* Remove redundant newline */
+                                               path[strlen(path) - 1] = '\0';
+
+                                               function_name = g_strndup(path, g_strstr_len(path, strlen(path), "(") - path);
+
+                                               log_printf("%s %s", g_strstr_len(path, -1, "at ") + 3, function_name);
+
+                                               g_free(function_name);
+                                               }
+                                       }
+
+                               pclose(fp);
+
+                               g_free(address_offset);
+                               g_free(cmd_line);
+                               }
+                       }
+               log_printf("Backtrace end");
+
+               free(bt_syms);
+               g_free(exe_path);
+               }
+}
+#else
+void log_print_backtrace(const gchar *file, const gchar *function, gint line)
+{
+}
+#endif
+
+/**
+ * @brief Print ref. count and image name
+ * @param file 
+ * @param function 
+ * @param line 
+ * 
+ * Print image ref. count and full path name of all images in
+ * the file_data_pool.
+ */
+void log_print_file_data_dump(const gchar *file, const gchar *function, gint line)
+{
+       gchar *exe_path;
+
+       exe_path = g_path_get_dirname(gq_executable_path);
+
+       log_printf("FileData dump start");
+       log_printf("%s/../%s:%d %s\n", exe_path, file, line, function);
+
+       file_data_dump();
+
+       log_printf("FileData dump end");
+
+       g_free(exe_path);
+}
+
 #endif /* DEBUG */
 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */