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check if Main.backups->Pages->Filename is NULL

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to avoid segfaults
This commit is contained in:
Thomas Bernard 2023-04-11 01:57:03 +02:00
parent 3529859a9c
commit cd33490c66
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GPG Key ID: DB511043A31ACAAF
2 changed files with 4 additions and 2 deletions
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4
src/loadsave.c
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@ -2232,8 +2232,8 @@ void Rotate_safety_backups(void)
Init_context_backup_image(&context, file_name, Config_directory);
context.Format=FORMAT_GIF;
// Provide original file data, to store as a GIF Application Extension
context.Original_file_name = strdup(Main.backups->Pages->Filename);
context.Original_file_directory = strdup(Main.backups->Pages->File_directory);
context.Original_file_name = Main.backups->Pages->Filename != NULL ? strdup(Main.backups->Pages->Filename) : NULL;
context.Original_file_directory = Main.backups->Pages->File_directory != NULL ? strdup(Main.backups->Pages->File_directory) : NULL;
Save_image(&context);
Destroy_context(&context);

2
src/windows.c
View File

@ -1100,6 +1100,8 @@ void Print_filename(void)
// Partial copy of the name
if (Main.backups->Pages->Filename_unicode != NULL)
Unicode_strlcpy(display_string, Main.backups->Pages->Filename_unicode, 256);
else if (Main.backups->Pages->Filename == NULL)
display_string[0] = 0;
else
{
#ifdef ENABLE_FILENAMES_ICONV