diff options
Diffstat (limited to 'apps/pdfapp.c')
| -rw-r--r-- | apps/pdfapp.c | 70 |
1 files changed, 69 insertions, 1 deletions
diff --git a/apps/pdfapp.c b/apps/pdfapp.c index 598b40b5..9760385b 100644 --- a/apps/pdfapp.c +++ b/apps/pdfapp.c @@ -187,6 +187,7 @@ void pdfapp_open(pdfapp_t *app, char *filename, int reload) } } + app->docpath = fz_strdup(ctx, filename); app->doctitle = filename; if (strrchr(app->doctitle, '\\')) app->doctitle = strrchr(app->doctitle, '\\') + 1; @@ -248,6 +249,10 @@ void pdfapp_close(pdfapp_t *app) fz_free(app->ctx, app->doctitle); app->doctitle = NULL; + if (app->docpath) + fz_free(app->ctx, app->docpath); + app->docpath = NULL; + if (app->image) fz_drop_pixmap(app->ctx, app->image); app->image = NULL; @@ -277,6 +282,32 @@ void pdfapp_close(pdfapp_t *app) fz_flush_warnings(app->ctx); } +static int gen_tmp_file(char *buf, int len) +{ + int i; + char *name = strrchr(buf, '/'); + + if (name == NULL) + name = strrchr(buf, '\\'); + + if (name != NULL) + name++; + else + name = buf; + + for (i = 0; i < 10000; i++) + { + FILE *f; + snprintf(name, buf+len-name, "tmp%04d", i); + f = fopen(buf, "r"); + if (f == NULL) + return 1; + fclose(f); + } + + return 0; +} + static int pdfapp_save(pdfapp_t *app) { char buf[PATH_MAX]; @@ -290,7 +321,44 @@ static int pdfapp_save(pdfapp_t *app) opts.do_garbage = 1; opts.do_linear = 0; - fz_write_document(app->doc, buf, &opts); + if (strcmp(buf, app->docpath) == 0) + { + if (gen_tmp_file(buf, PATH_MAX)) + { + int written; + + fz_var(written); + fz_try(app->ctx) + { + fz_write_document(app->doc, buf, &opts); + written = 1; + } + fz_catch(app->ctx) + { + written = 0; + } + + if (written) + { + char buf2[PATH_MAX]; + strncpy(buf2, app->docpath, PATH_MAX); + pdfapp_close(app); + winreplacefile(buf, buf2); + pdfapp_open(app, buf2, 1); + } + + return written; + } + else + { + return 0; + } + } + else + { + fz_write_document(app->doc, buf, &opts); + return 1; + } return 1; } |