From: Tom Parker Date: Sun, 11 Feb 2007 18:01:46 +0000 (+0000) Subject: Check return value of psscan before trying to use it. Fixes bug #372414. X-Git-Tag: EVINCE_0_7_2~7 X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=af0108498152e6781610b1d2a0c24c830ce08ba7;p=evince.git Check return value of psscan before trying to use it. Fixes bug #372414. 2007-02-11 Tom Parker * backend/ps/ps-document.c: (document_load): Check return value of psscan before trying to use it. Fixes bug #372414. svn path=/trunk/; revision=2314 --- diff --git a/ChangeLog b/ChangeLog index 3ed2f7bc..2fca65b0 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2007-02-11 Tom Parker + + * backend/ps/ps-document.c: (document_load): + + Check return value of psscan before trying + to use it. Fixes bug #372414. + 2007-02-11 Carlos Garcia Campos * shell/ev-page-cache.c: (ev_page_cache_finalize): diff --git a/backend/ps/ps-document.c b/backend/ps/ps-document.c index 0ce2dfc6..05533c37 100644 --- a/backend/ps/ps-document.c +++ b/backend/ps/ps-document.c @@ -85,8 +85,6 @@ struct _PSDocument { gint *ps_export_pagelist; gchar *ps_export_filename; - - const gchar *gs_status; /* PSDocument status */ }; struct _PSDocumentClass { @@ -161,8 +159,6 @@ ps_document_init (PSDocument *gs) gs->bytes_left = 0; gs->buffer_bytes_left = 0; - gs->gs_status = _("No document loaded."); - gs->ps_export_pagelist = NULL; gs->ps_export_filename = NULL; } @@ -537,10 +533,6 @@ ps_interpreter_stop (PSDocument *gs) while ((wait (&status) == -1) && (errno == EINTR)); g_spawn_close_pid (gs->interpreter_pid); gs->interpreter_pid = -1; - - if (status == 1) { - gs->gs_status = _("Interpreter failed."); - } } if (gs->interpreter_input) { @@ -601,13 +593,8 @@ ps_interpreter_is_ready (PSDocument *gs) /* EvDocumentIface */ static gboolean -document_load (PSDocument *gs, const gchar *fname) +document_load (PSDocument *gs, const gchar *fname, GError **error) { - if (fname == NULL) { - gs->gs_status = ""; - return FALSE; - } - /* prepare this document */ gs->structured_doc = FALSE; gs->send_filename_to_gs = TRUE; @@ -619,26 +606,39 @@ document_load (PSDocument *gs, const gchar *fname) */ if (!g_file_test (fname, G_FILE_TEST_IS_REGULAR)) { gchar *filename_dsp; - gchar *msg; - + filename_dsp = g_filename_display_name (fname); - msg = g_strdup_printf (_("Cannot open file “%s”.\n"), filename_dsp); + g_set_error (error, + G_FILE_ERROR, + G_FILE_ERROR_NOENT, + _("Cannot open file “%s”.\n"), /* FIXME: remove \n after freeze */ + filename_dsp); g_free (filename_dsp); - ps_interpreter_failed (gs, msg); - g_free (msg); - gs->gs_status = _("File is not readable."); - + ps_interpreter_failed (gs, NULL); return FALSE; } if (!gs->gs_filename || (gs->gs_psfile = fopen (gs->gs_filename, "r")) == NULL) { + gchar *filename_dsp; + + filename_dsp = g_filename_display_name (fname); + g_set_error (error, + G_FILE_ERROR, + G_FILE_ERROR_NOENT, + _("Cannot open file “%s”.\n"), /* FIXME: remove \n after freeze */ + filename_dsp); + g_free (filename_dsp); + ps_interpreter_failed (gs, NULL); return FALSE; } /* we grab the vital statistics!!! */ gs->doc = psscan (gs->gs_psfile, TRUE, gs->gs_filename); + if (!gs->doc) + return FALSE; + if ((!gs->doc->epsf && gs->doc->numpages > 0) || (gs->doc->epsf && gs->doc->numpages > 1)) { @@ -646,8 +646,6 @@ document_load (PSDocument *gs, const gchar *fname) gs->send_filename_to_gs = FALSE; } - gs->gs_status = _("Document loaded."); - return TRUE; } @@ -666,26 +664,27 @@ ps_document_load (EvDocument *document, gs_path = g_find_program_in_path ("gs"); if (!gs_path) { - gchar *filename_dsp; - - filename_dsp = g_filename_display_name (filename); - g_set_error (error, - G_FILE_ERROR, - G_FILE_ERROR_NOENT, - _("Failed to load document “%s”. Ghostscript interpreter was not found in path"), - filename); - g_free (filename_dsp); - g_free (filename); - - return FALSE; + gchar *filename_dsp; + + filename_dsp = g_filename_display_name (filename); + g_set_error (error, + G_FILE_ERROR, + G_FILE_ERROR_NOENT, + _("Failed to load document “%s”. Ghostscript interpreter was not found in path"), + filename); + g_free (filename_dsp); + g_free (filename); + + return FALSE; } - result = document_load (PS_DOCUMENT (document), filename); - if (!result) { + result = document_load (PS_DOCUMENT (document), filename, error); + if (!result && !(*error)) { gchar *filename_dsp; filename_dsp = g_filename_display_name (filename); - g_set_error (error, G_FILE_ERROR, + g_set_error (error, + G_FILE_ERROR, G_FILE_ERROR_FAILED, _("Failed to load document “%s”"), filename_dsp);