From 59654a203be8d85ff126e51a5c4bfb12ef1744e7 Mon Sep 17 00:00:00 2001 From: Fumitoshi UKAI Date: Sat, 21 Dec 2002 16:16:43 +0000 Subject: [w3m-dev 03593] Re: segmentation fault when exist after <img> * file.c (cur_title): added (save_obuf): deleted (process_title): added (process_n_title): added (feed_title): added (HTMLtagproc1): rewrite HTML_TITLE, HTML_N_TITLE, HTML_TITLE_ALT, HTML_N_HEAD, HTML_HEAD (HTMLlineproc0): check RB_TITLE (completeHTMLstream): add RB_TITLE (loadHTMLstream): initialize cur_title From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp> --- file.c | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++---------------- 1 file changed, 71 insertions(+), 22 deletions(-) (limited to 'file.c') diff --git a/file.c b/file.c index 5d81f36..3f319ce 100644 --- a/file.c +++ b/file.c @@ -1,4 +1,4 @@ -/* $Id: file.c,v 1.165 2002/12/20 20:20:53 ukai Exp $ */ +/* $Id: file.c,v 1.166 2002/12/21 16:16:43 ukai Exp $ */ #include "fm.h" #include <sys/types.h> #include "myctype.h" @@ -59,6 +59,7 @@ static char cur_document_code; #endif #endif +static Str cur_title; static Str cur_select; static Str select_str; static int select_is_multiple; @@ -95,8 +96,6 @@ static char check_charset(char *s); static char check_accept_charset(char *s); #endif -static struct readbuffer save_obuf; - struct link_stack { int cmd; short offset; @@ -2939,6 +2938,45 @@ restore_fonteffect(struct html_feed_environ *h_env, struct readbuffer *obuf) push_tag(obuf, "<u>", HTML_U); } +static Str +process_title(struct parsed_tag *tag) +{ + cur_title = Strnew(); + return NULL; +} + +static Str +process_n_title(struct parsed_tag *tag) +{ + Str tmp; + + if (!cur_title) + return NULL; + Strremovefirstspaces(cur_title); + Strremovetrailingspaces(cur_title); + tmp = Strnew_m_charp("<title_alt title=\"", + html_quote(cur_title->ptr), "\">", NULL); + cur_title = NULL; + return tmp; +} + +static void +feed_title(char *str) +{ + if (!cur_title) + return; + while (*str) { + if (*str == '&') + Strcat_charp(cur_title, getescapecmd(&str)); + else if (*str == '\n' || *str == '\r') { + Strcat_char(cur_title, ' '); + str++; + } + else + Strcat_char(cur_title, *(str++)); + } +} + Str process_img(struct parsed_tag *tag, int width) { @@ -4299,27 +4337,24 @@ HTMLtagproc1(struct parsed_tag *tag, struct html_feed_environ *h_env) /* obuf->flag |= RB_IGNORE_P; */ return 1; case HTML_TITLE: - append_tags(obuf); - set_breakpoint(obuf, 0); - bcopy((void *)obuf, (void *)&save_obuf, sizeof(struct readbuffer)); - obuf->line = Strnew(); - discardline(obuf, 0); - obuf->flag |= (RB_NOBR | RB_TITLE); + close_anchor(h_env, obuf); + process_title(tag); + obuf->flag |= RB_TITLE; + obuf->end_tag = HTML_N_TITLE; return 1; case HTML_N_TITLE: if (!(obuf->flag & RB_TITLE)) return 1; - obuf->flag &= ~(RB_NOBR | RB_TITLE); - tmp = Strnew_charp(obuf->line->ptr); - Strremovetrailingspaces(tmp); - h_env->title = html_unquote(tmp->ptr); - bcopy((void *)&save_obuf, (void *)obuf, sizeof(struct readbuffer)); - append_tags(obuf); - back_to_breakpoint(obuf); - tmp = Strnew_m_charp("<title_alt title=\"", - html_quote(h_env->title), "\">", NULL); - push_tag(obuf, tmp->ptr, HTML_TITLE_ALT); + obuf->flag &= ~RB_TITLE; + obuf->end_tag = 0; + tmp = process_n_title(tag); + if (tmp) + HTMLlineproc1(tmp->ptr, h_env); return 1; + case HTML_TITLE_ALT: + if (parsedtag_get_value(tag, ATTR_TITLE, &p)) + h_env->title = html_unquote(p); + return 0; case HTML_FRAMESET: PUSH_ENV(cmd); push_charp(obuf, 9, "--FRAME--", PC_ASCII); @@ -4849,6 +4884,10 @@ HTMLtagproc1(struct parsed_tag *tag, struct html_feed_environ *h_env) HTMLlineproc1(s->ptr, h_env); } } + case HTML_N_HEAD: + if (obuf->flag & RB_TITLE) + HTMLlineproc1("", h_env); + case HTML_HEAD: case HTML_N_BODY: return 1; default: @@ -5652,7 +5691,7 @@ HTMLlineproc0(char *line, struct html_feed_environ *h_env, int internal) if (str[1] && REALLY_THE_BEGINNING_OF_A_TAG(str)) is_tag = TRUE; else if (!(pre_mode & (RB_PLAIN | RB_INTXTA | RB_INSELECT | - RB_SCRIPT | RB_STYLE))) { + RB_SCRIPT | RB_STYLE | RB_TITLE))) { line = Strnew_m_charp(str + 1, line, NULL)->ptr; str = "<"; } @@ -5666,15 +5705,22 @@ HTMLlineproc0(char *line, struct html_feed_environ *h_env, int internal) } if (pre_mode & (RB_PLAIN | RB_INTXTA | RB_INSELECT | RB_SCRIPT | - RB_STYLE)) { + RB_STYLE | RB_TITLE)) { if (is_tag) { p = str; if ((tag = parse_tag(&p, internal))) { if (tag->tagid == end_tag || - (pre_mode & RB_INSELECT && tag->tagid == HTML_N_FORM)) + (pre_mode & RB_INSELECT && tag->tagid == HTML_N_FORM) || + (pre_mode & RB_TITLE && (tag->tagid == HTML_N_HEAD || + tag->tagid == HTML_BODY))) goto proc_normal; } } + /* title */ + if (pre_mode & RB_TITLE) { + feed_title(str); + continue; + } /* select */ if (pre_mode & RB_INSELECT) { if (obuf->table_level >= 0) @@ -6210,6 +6256,8 @@ completeHTMLstream(struct html_feed_environ *h_env, struct readbuffer *obuf) /* for unbalanced select tag */ if (obuf->flag & RB_INSELECT) HTMLlineproc1("", h_env); + if (obuf->flag & RB_TITLE) + HTMLlineproc1("", h_env); /* for unbalanced table tag */ while (obuf->table_level >= 0) { @@ -6312,6 +6360,7 @@ loadHTMLstream(URLFile *f, Buffer *newBuf, FILE * src, int internal) #endif MySignalHandler(*volatile prevtrap) (SIGNAL_ARG) = NULL; + cur_title = NULL; n_textarea = 0; cur_textarea = NULL; max_textarea = MAX_TEXTAREA; -- cgit v1.2.3