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Merge textarea updates
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commit
a96c0250c3
@ -36,7 +36,7 @@ report_scripting_error(struct module *module, struct session *ses,
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if (!ses) {
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if (list_empty(terminals)) {
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usrerror("%s error] %s", module->name, msg);
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usrerror("[%s error] %s", module->name, msg);
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return;
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}
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@ -4,8 +4,13 @@
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#include "config.h"
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#endif
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE /* XXX: fseeko, ftello */
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#endif
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#include <ctype.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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@ -325,6 +330,46 @@ add_string_to_string(struct string *string, struct string *from)
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return add_bytes_to_string(string, from->source, from->length);
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}
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struct string *
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add_file_to_string(struct string *string, unsigned char *filename)
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{
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FILE *file;
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off_t filelen;
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int newlength;
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assertm(string && filename, "[add_file_to_string]");
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if_assert_failed { return NULL; }
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check_string_magic(string);
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file = fopen(filename, "rb");
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if (!file) return NULL;
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if (fseeko(file, 0, SEEK_END)) goto err;
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filelen = ftello(file);
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if (filelen == -1) goto err;
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if (fseeko(file, 0, SEEK_SET)) goto err;
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newlength = string->length + filelen;
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if (!realloc_string(string, newlength)) goto err;
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string->length += fread(string->source + string->length, 1,
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(size_t) filelen, file);
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string->source[string->length] = 0;
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fclose(file);
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if (string->length != newlength) goto err;
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return string;
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err:
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fclose(file);
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return NULL;
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}
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struct string *
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string_concat(struct string *string, ...)
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{
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@ -157,6 +157,7 @@ struct string *add_to_string(struct string *string,
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const unsigned char *source);
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struct string *add_char_to_string(struct string *string, unsigned char character);
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struct string *add_string_to_string(struct string *to, struct string *from);
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struct string *add_file_to_string(struct string *string, unsigned char *filename);
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struct string *add_crlf_to_string(struct string *string);
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/* Adds each C string to @string until a terminating NULL is met. */
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@ -311,37 +311,6 @@ save_textarea_file(unsigned char *value)
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return filename;
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}
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static unsigned char *
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load_textarea_file(unsigned char *filename, size_t maxlength)
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{
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unsigned char *value = NULL;
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FILE *file = fopen(filename, "rb+");
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off_t filelen = -1;
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if (!file) return NULL;
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if (!fseeko(file, 0, SEEK_END)) {
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filelen = ftello(file);
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if (filelen != -1 && fseeko(file, 0, SEEK_SET))
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filelen = -1;
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}
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if (filelen >= 0 && filelen <= maxlength) {
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value = mem_alloc((size_t) (filelen + 1));
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if (value) {
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size_t bread;
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bread = fread(value, 1, (size_t) filelen, file);
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value[bread] = 0;
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}
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}
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fclose(file);
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unlink(filename);
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return value;
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}
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void
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textarea_edit(int op, struct terminal *term_, struct form_state *fs_,
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struct document_view *doc_view_, struct link *link_)
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@ -403,17 +372,39 @@ textarea_edit(int op, struct terminal *term_, struct form_state *fs_,
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textarea_editor = 1;
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} else if (op == 1 && fs) {
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unsigned char *value = load_textarea_file(fn, fc_maxlength);
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struct string file;
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if (value) {
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mem_free(fs->value);
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fs->value = value;
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fs->state = strlen(value);
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if (doc_view && link)
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draw_form_entry(term, doc_view, link);
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if (!init_string(&file)
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|| !add_file_to_string(&file, fn)) {
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textarea_editor = 0;
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goto free_and_return;
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}
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if (file.length > fc_maxlength) {
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file.source[fc_maxlength] = '\0';
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info_box(term, MSGBOX_FREE_TEXT, N_("Warning"),
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ALIGN_CENTER,
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msg_text(term,
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N_("You have exceeded the textarea's"
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" size limit: your input is %d"
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" bytes, but the maximum is %u"
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" bytes.\n\n"
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"Your input has been truncated,"
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" but you can still recover the"
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" text that you entered from"
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" this file: %s"), file.length,
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fc_maxlength, fn));
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} else {
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unlink(fn);
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}
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mem_free(fs->value);
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fs->value = file.source;
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fs->state = file.length;
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if (doc_view && link)
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draw_form_entry(term, doc_view, link);
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textarea_editor = 0;
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goto free_and_return;
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}
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