From a94e98fb4bfdaa3e1d0939b1b093b3097629f61d Mon Sep 17 00:00:00 2001 From: Daniel Friesel Date: Sat, 9 Jan 2021 10:51:13 +0100 Subject: distinguish between "missing magic bytes" and "no Imlib 2 loader" errors --- src/feh.h | 10 ++++++++- src/imlib.c | 70 ++++++++++++++++++++++++++++++++++++++------------------- src/index.c | 2 +- src/slideshow.c | 2 +- src/thumbnail.c | 2 +- 5 files changed, 59 insertions(+), 27 deletions(-) diff --git a/src/feh.h b/src/feh.h index e735871..0b7b627 100644 --- a/src/feh.h +++ b/src/feh.h @@ -115,6 +115,14 @@ enum slide_change { SLIDE_NEXT, SLIDE_PREV, SLIDE_RAND, SLIDE_FIRST, SLIDE_LAST, SLIDE_JUMP_PREV_DIR }; +enum feh_load_error { + LOAD_ERROR_IMLIB = 0, + LOAD_ERROR_IMAGEMAGICK, + LOAD_ERROR_CURL, + LOAD_ERROR_DCRAW, + LOAD_ERROR_MAGICBYTES +}; + #define INPLACE_EDIT_FLIP -1 #define INPLACE_EDIT_MIRROR -2 @@ -172,7 +180,7 @@ void feh_display_status(char stat); void real_loadables_mode(int loadable); void feh_reload_image(winwidget w, int resize, int force_new); void feh_filelist_image_remove(winwidget winwid, char do_delete); -void feh_imlib_print_load_error(char *file, winwidget w, Imlib_Load_Error err); +void feh_print_load_error(char *file, winwidget w, Imlib_Load_Error err, enum feh_load_error feh_err); void slideshow_save_image(winwidget win); void feh_edit_inplace(winwidget w, int orientation); void feh_edit_inplace_lossless(winwidget w, int orientation); diff --git a/src/imlib.c b/src/imlib.c index 35b9bd0..9ee4c08 100644 --- a/src/imlib.c +++ b/src/imlib.c @@ -164,11 +164,31 @@ int feh_load_image_char(Imlib_Image * im, char *filename) return(i); } -void feh_imlib_print_load_error(char *file, winwidget w, Imlib_Load_Error err) +void feh_print_load_error(char *file, winwidget w, Imlib_Load_Error err, enum feh_load_error feh_err) { if (err == IMLIB_LOAD_ERROR_OUT_OF_FILE_DESCRIPTORS) eprintf("%s - Out of file descriptors while loading", file); else if (!opt.quiet || w) { + switch (feh_err) { + case LOAD_ERROR_IMLIB: + // handled in the next switch/case statement + break; + case LOAD_ERROR_IMAGEMAGICK: + im_weprintf(w, "%s - No ImageMagick loader for that file format", file); + break; + case LOAD_ERROR_CURL: + im_weprintf(w, "%s - libcurl was unable to retrieve the file", file); + break; + case LOAD_ERROR_DCRAW: + im_weprintf(w, "%s - Unable to open preview via dcraw", file); + break; + case LOAD_ERROR_MAGICBYTES: + im_weprintf(w, "%s - Does not look like an image (magic bytes missing)", file); + break; + } + if (feh_err != LOAD_ERROR_IMLIB) { + return; + } switch (err) { case IMLIB_LOAD_ERROR_FILE_DOES_NOT_EXIST: im_weprintf(w, "%s - File does not exist", file); @@ -181,11 +201,7 @@ void feh_imlib_print_load_error(char *file, winwidget w, Imlib_Load_Error err) break; case IMLIB_LOAD_ERROR_UNKNOWN: case IMLIB_LOAD_ERROR_NO_LOADER_FOR_FILE_FORMAT: - if (getenv("FEH_SKIP_MAGIC")) { - im_weprintf(w, "%s - No Imlib2 loader for that file format", file); - } else { - im_weprintf(w, "%s - Does not look like an image (magic bytes missing)", file); - } + im_weprintf(w, "%s - No Imlib2 loader for that file format", file); break; case IMLIB_LOAD_ERROR_PATH_TOO_LONG: im_weprintf(w, "%s - Path specified is too long", file); @@ -316,6 +332,7 @@ int feh_is_image(feh_file * file) int feh_load_image(Imlib_Image * im, feh_file * file) { Imlib_Load_Error err = IMLIB_LOAD_ERROR_NONE; + enum feh_load_error feh_err = LOAD_ERROR_IMLIB; enum { SRC_IMLIB, SRC_HTTP, SRC_MAGICK, SRC_DCRAW } image_source = SRC_IMLIB; char *tmpname = NULL; char *real_filename = NULL; @@ -328,19 +345,16 @@ int feh_load_image(Imlib_Image * im, feh_file * file) if (path_is_url(file->filename)) { image_source = SRC_HTTP; - if ((tmpname = feh_http_load_image(file->filename)) == NULL) + if ((tmpname = feh_http_load_image(file->filename)) == NULL) { + feh_err = LOAD_ERROR_CURL; err = IMLIB_LOAD_ERROR_FILE_DOES_NOT_EXIST; - } - else if (opt.conversion_timeout >= 0 && feh_file_is_raw(file->filename)) { - image_source = SRC_DCRAW; - tmpname = feh_dcraw_load_image(file->filename); - if (!tmpname) - err = IMLIB_LOAD_ERROR_NO_LOADER_FOR_FILE_FORMAT; + } } else { if (feh_is_image(file)) { *im = imlib_load_image_with_error_return(file->filename, &err); } else { + feh_err = LOAD_ERROR_MAGICBYTES; err = IMLIB_LOAD_ERROR_NO_LOADER_FOR_FILE_FORMAT; } } @@ -348,8 +362,20 @@ int feh_load_image(Imlib_Image * im, feh_file * file) if (opt.conversion_timeout >= 0 && ( (err == IMLIB_LOAD_ERROR_UNKNOWN) || (err == IMLIB_LOAD_ERROR_NO_LOADER_FOR_FILE_FORMAT))) { - image_source = SRC_MAGICK; - tmpname = feh_magick_load_image(file->filename); + if (feh_file_is_raw(file->filename)) { + image_source = SRC_DCRAW; + tmpname = feh_dcraw_load_image(file->filename); + if (!tmpname) { + feh_err = LOAD_ERROR_DCRAW; + } + } else { + image_source = SRC_MAGICK; + feh_err = LOAD_ERROR_IMLIB; + tmpname = feh_magick_load_image(file->filename); + if (!tmpname) { + feh_err = LOAD_ERROR_IMAGEMAGICK; + } + } } if (tmpname) { @@ -409,7 +435,7 @@ int feh_load_image(Imlib_Image * im, feh_file * file) fputs("\n", stderr); reset_output = 1; } - feh_imlib_print_load_error(file->filename, NULL, err); + feh_print_load_error(file->filename, NULL, err, feh_err); D(("Load *failed*\n")); return(0); } @@ -549,11 +575,9 @@ static int feh_file_is_raw(char *filename) } if (childpid == 0) { - if (opt.quiet) { - int devnull = open("/dev/null", O_WRONLY); - dup2(devnull, 1); - dup2(devnull, 2); - } + int devnull = open("/dev/null", O_WRONLY); + dup2(devnull, 1); + dup2(devnull, 2); execlp("dcraw", "dcraw", "-i", filename, NULL); _exit(1); } else { @@ -1537,8 +1561,8 @@ void feh_edit_inplace(winwidget w, int op) FEH_FILE(w->file->data)->filename, &err); gib_imlib_free_image(old); if (err) - feh_imlib_print_load_error(FEH_FILE(w->file->data)->filename, - w, err); + feh_print_load_error(FEH_FILE(w->file->data)->filename, + w, err, LOAD_ERROR_IMLIB); feh_reload_image(w, 1, 1); } else { /* diff --git a/src/index.c b/src/index.c index 3633c96..85a3ee8 100644 --- a/src/index.c +++ b/src/index.c @@ -332,7 +332,7 @@ void init_index_mode(void) gib_imlib_save_image_with_error_return(im_main, output_buf, &err); if (err) { - feh_imlib_print_load_error(output_buf, im_main, err); + feh_print_load_error(output_buf, im_main, err, LOAD_ERROR_IMLIB); } else if (opt.verbose) { int tw, th; diff --git a/src/slideshow.c b/src/slideshow.c index 2eb10da..3a3cd0a 100644 --- a/src/slideshow.c +++ b/src/slideshow.c @@ -638,7 +638,7 @@ void slideshow_save_image(winwidget win) gib_imlib_save_image_with_error_return(win->im, tmpname, &err); if (err) - feh_imlib_print_load_error(tmpname, win, err); + feh_print_load_error(tmpname, win, err, LOAD_ERROR_IMLIB); free(tmpname); return; diff --git a/src/thumbnail.c b/src/thumbnail.c index 41bd1a0..e7b05a8 100644 --- a/src/thumbnail.c +++ b/src/thumbnail.c @@ -392,7 +392,7 @@ void init_thumbnail_mode(void) } gib_imlib_save_image_with_error_return(td.im_main, output_buf, &err); if (err) { - feh_imlib_print_load_error(output_buf, td.im_main, err); + feh_print_load_error(output_buf, td.im_main, err, LOAD_ERROR_IMLIB); } else if (opt.verbose) { int tw, th; -- cgit v1.2.3