From: mtortonesi Date: Tue, 5 Apr 2005 03:21:23 +0000 (-0700) Subject: [svn] Removed (not used anymore) string_t.{c,h}. X-Git-Tag: v1.13~1235 X-Git-Url: http://sjero.net/git/?p=wget;a=commitdiff_plain;h=6dc9563cca9b79ea449903612c67b2a3c7fe6c0f [svn] Removed (not used anymore) string_t.{c,h}. --- diff --git a/src/ChangeLog b/src/ChangeLog index 5d1390c0..d6cd712c 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,3 +1,9 @@ +2005-04-04 Mauro Tortonesi + + * string.c: Removed. + + * string.h: Removed. + 2005-04-02 Hrvoje Niksic * url.c (rewrite_shorthand_url): Only accept recognized schemes. diff --git a/src/string_t.c b/src/string_t.c deleted file mode 100644 index 01f48659..00000000 --- a/src/string_t.c +++ /dev/null @@ -1,424 +0,0 @@ -/* - * string_t.c - dynamic string handling module - * - * Copyright (C) 2005 Free Software Foundation, Inc. - * - * This file is part of GNU Wget. - * - * GNU Wget is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GNU Wget is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * In addition, as a special exception, the Free Software Foundation - * gives permission to link the code of its release of Wget with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify this file, you may extend this exception to your version of the - * file, but you are not obligated to do so. If you do not wish to do - * so, delete this exception statement from your version. - */ - -#include "config.h" - -#define _GNU_SOURCE /* to get iswblank */ - -#include -#include -#include -#include -#include -#include - -#include "wget.h" - -#ifdef STANDALONE -#undef xmalloc -#undef xrealloc -#undef xfree_null -#define xmalloc malloc -#define xrealloc realloc -#define xfree_null(p) if (!(p)) ; else free (p) -#else -#include "xmalloc.h" -#endif - -#ifdef WINDOWS -static const wchar_t w_line_delim[] = L"\r\n"; -static const char line_delim[] = "\r\n"; -static const unsigned int line_delim_len = 2; -#else -static const wchar_t w_line_delim[] = L"\n"; -static const char line_delim[] = "\n"; -static const unsigned int line_delim_len = 2; -#endif - -typedef struct string_t { - char *sz; /* standard null-terminated string */ - unsigned int len; /* number of chars in the allocated buffer */ - unsigned int used; /* number of used chars */ -} *string; - -#ifdef STRING_MODULE_DEBUG - -#define assert_valid_string(str) \ - assert (((str) != NULL) \ - && ((str)->sz != NULL) \ - && ((str)->used + 1 <= (str)->len)); - -static void -string_dump (struct string_t *str, FILE *out) -{ - assert_valid_string (str); - assert (out); - - fprintf (out, "string_dump: str->sz = %s (%p)\n", str->sz, str->sz); - fprintf (out, "string_dump: *(str->sz) = %d\n", *(str->sz)); - fprintf (out, "string_dump: str->len = %u\n", str->len); - fprintf (out, "string_dump: str->used = %u\n", str->used); -} - -#define DEBUG_PRINTF(x) printf x - -#else /* not defined STRING_MODULE_DEBUG */ - -#define assert_valid_string(str) do {} while (0); -#define string_dump(str, out) do {} while (0); -#define DEBUG_PRINTF(x) do {} while (0); - -#endif - - -void -string_init (struct string_t *s, unsigned int len) -{ - size_t to_alloc; - - /* no need to check that len > 0, since the len == 0 case is ok */ - assert (s != NULL); - - /* - * for the moment we try to perform a reasonable allocation by rounding up - * the number of requested chars (including the trailing zero) to the - * closest multiple of 256, but we should probably find a better allocation - * policy or completely leave the optimization of memory allocation to malloc - */ - to_alloc = ((len + 1 + 256) & (~0xFF)); - - s->sz = (char *) xmalloc (to_alloc * sizeof (char)); - *(s->sz) = '\0'; - s->len = to_alloc; - s->used = 0; - - string_dump (s, stdout); -} - -void -string_copy (struct string_t *dst, const void *src, unsigned int len) -{ - assert_valid_string (dst); - assert (src != NULL); - - /* no need to do anything */ - if (len == 0) return; - - if (dst->sz == NULL) { - string_init (dst, len); - } - - strncpy (dst->sz, (const char *) src, len); - dst->sz[len] = '\0'; - - dst->used = len; -} - -void -string_cat (struct string_t *dst, const void *src, unsigned int len) -{ - assert_valid_string (dst); - assert (src != NULL); - - /* no need to do anything */ - if (len == 0) return; - - if (dst->sz == NULL) { - string_init (dst, len); - } - - strncpy (dst->sz + dst->used, (const char *) src, len); - dst->sz[dst->used + len] = '\0'; - - dst->used += len; -} - -void -string_ready (struct string_t *str, unsigned int len) -{ - assert_valid_string (str); - - /* no need to do anything */ - if (len == 0) return; - - if (str->len - str->used < len) - { - DEBUG_PRINTF (("calling xrealloc")); - str->sz = xrealloc (str->sz, str->len + len); - } - - str->len += len; -} - -void -string_destroy (struct string_t *str) -{ - assert_valid_string (str); - - xfree_null (str->sz); - memset (str, 0, sizeof (*str)); -} - -#if 0 /* unused */ -static void -string_append_delim (struct string_t *dst) -{ - assert_valid_string (dst); - string_cat (dst, line_delim, line_delim_len); -} -#endif - -static int -is_line_delim (const wchar_t *wsz) -{ - assert (wsz != NULL); - - if (*wsz == L'\r' && *(wsz + 1) == L'\n') { - return 2; - } else if (*wsz == L'\r' || *wsz == L'\n') { - return 1; - } - - return 0; -} - -/* - * DEST is the string to which the multibyte stuff will be added - * TO_ESC is the null wide char string to add - */ -static void -string_append_multibyte (struct string_t *dest, const wchar_t *wstr, unsigned int len, mbstate_t *state) -{ - int i; - - assert_valid_string (dest); - assert (wstr != NULL); - assert (state != NULL); - - /* nothing to do */ - if (len == 0) return; - - string_ready (dest, 4 * MB_CUR_MAX * (len + 1)); - - DEBUG_PRINTF (("string_append_multibyte: len = %u\n", len)); - string_dump (dest, stdout); - - for (i = 0; len > 0; ++i, --len) { - size_t copied = wcrtomb (dest->sz + dest->used, *(wstr + i), state); - - DEBUG_PRINTF (("string_append_multibyte (loop): i = %d\n", i)); - DEBUG_PRINTF (("string_append_multibyte (loop): copied = %u\n", copied)); - string_dump (dest, stdout); - - if (copied == (size_t)(-1)) { - perror ("wcrtomb"); - exit (EXIT_FAILURE); - } - dest->used += copied; - *(dest->sz + dest->used) = '\0'; - - DEBUG_PRINTF (("string_append_multibyte (loop): processed %s\n", dest->sz + dest->used - copied)); - } -} - -static void -string_append_multibyte_newline (struct string_t *dest, mbstate_t *state) -{ - assert_valid_string (dest); - string_append_multibyte(dest, w_line_delim, line_delim_len, state); -} - -static void -string_append_multibyte_terminator (struct string_t *dest, mbstate_t *state) -{ - const wchar_t terminator = L'\0'; - - assert_valid_string (dest); - string_append_multibyte(dest, &terminator, 1, state); -} - -/* - * DEST is the string to which the escape code will be added - * TO_ESC is the (not necessarily null terminated) string to escape - * LEN is the length of the string to escape - */ -static void -do_escape (struct string_t *dest, const char *to_esc, unsigned int len, mbstate_t *state) -{ - /* we only need to allocate 5 chars for byte: - * - one for the leading backslash - * - three for the octal representation - * - one for the trailing zero */ - wchar_t buf[8] = L""; - size_t buf_elems = sizeof(buf)/sizeof(buf[0]); - int i; - - assert_valid_string (dest); - assert (to_esc != NULL); - assert (state != NULL); - - /* nothing to do */ - if (len == 0) return; - - DEBUG_PRINTF (("do_escape: len = %d\n", len)); - string_dump (dest, stdout); - - for (i = 0; len > 0; ++i, --len) { - int j = (unsigned char)*(to_esc + i); - int cc = swprintf (buf, buf_elems, L"\\%03o", j); - assert(cc > 0 && cc < buf_elems); - DEBUG_PRINTF (("do_escape (loop): escaping \\%03o\n", j)); - buf[buf_elems - 1] = L'\0'; - assert (wcslen(buf) == 4); - string_append_multibyte (dest, buf, 4, state); - } -} - -static void -string_escape (struct string_t *str) -{ - wchar_t c; - int i; - mbstate_t state1, state2; - size_t ret; - unsigned int to_read; - struct string_t src; - int delim_size; - - assert_valid_string (str); - - memset (&state1, '\0', sizeof (state1)); - memset (&state2, '\0', sizeof (state2)); - - src = *str; - to_read = src.used + 1; - - /* this value is completely arbitrary */ - string_init (str, 4 * to_read); - - DEBUG_PRINTF (("string_escape: dumping string src")); - string_dump (&src, stdout); - DEBUG_PRINTF (("string_escape: dumping string str")); - string_dump (str, stdout); - - i = 0; - while ((ret = mbrtowc (&c, src.sz + i, to_read, &state1)) != 0) { - DEBUG_PRINTF (("string_escape (loop): ret = %d\n", ret)); - if (ret == (size_t)(-2)) { - DEBUG_PRINTF (("string_escape (loop): handling ret == -2")); - /* mauro: should we just return the portion of the string already - * processed and print an error message? */ - perror ("mbrtowc"); - exit (EXIT_FAILURE); - } else if (ret == (size_t)(-1)) { - DEBUG_PRINTF (("string_escape (loop): handling ret == -1")); - do_escape (str, src.sz + i, 1, &state2); - i++; - } else if ((delim_size = is_line_delim(&c))) { - DEBUG_PRINTF (("string_escape (loop): handling ret == line_delim")); - i += delim_size; - string_append_multibyte_newline (str, &state2); - } else if (iswprint(c) || iswblank(c)) { - DEBUG_PRINTF (("string_escape (loop): handling ret == blank | printable")); - string_append_multibyte (str, &c, 1, &state2); - if (c == L'\\') { - /* since the backslash character is used to escape unprintable data, - * in order to avoid ambiguities in the escaped string we have to - * escape backslashes as well */ - string_append_multibyte (str, &c, 1, &state2); - } - i += ret; - } else { - DEBUG_PRINTF (("string_escape (loop): handling ret == toescape")); - do_escape (str, src.sz + i, ret, &state2); - i += ret; - } - } - - string_append_multibyte_terminator (str, &state2); - - string_destroy (&src); -} - -/* - * BUF must be a null-terminated dynamically allocated string - * LEN is the size of the string BUF - */ -void -escape_buffer (char **buf, size_t len) -{ - struct string_t s; - - assert (buf != NULL && *buf != NULL); - - /* nothing to do */ - if (len == 0) return; - - DEBUG_PRINTF (("escape_buffer processing: %s (len %u)\n", *buf, len)); - - s.sz = *buf; - s.used = len; - s.len = len + 1; - - string_escape (&s); - - *buf = s.sz; -} - -#ifdef STANDALONE -int main(void) -{ - char *buf; - const size_t buflen = 512; - buf = (char *) xmalloc(buflen); - assert (buf != NULL); - - puts ("--------------------------------------------------------------------------------"); - - while (fgets (buf, buflen - 1, stdin) != NULL) - { - /* just in case... */ - buf[buflen - 1] = '\0'; - printf ("before escape: %s", buf); - escape_buffer (&buf, strlen(buf)); - printf ("after escape: %s", buf); - } - - puts ("--------------------------------------------------------------------------------"); - - return 0; -} -#endif - -/* - * vim: et ts=2 sw=2 - */ - diff --git a/src/string_t.h b/src/string_t.h deleted file mode 100644 index 0add80ef..00000000 --- a/src/string_t.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * string_t.h - declarations for dynamic string handling module - * - * Copyright (C) 2005 Free Software Foundation, Inc. - * - * This file is part of GNU Wget. - * - * GNU Wget is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GNU Wget is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * In addition, as a special exception, the Free Software Foundation - * gives permission to link the code of its release of Wget with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify this file, you may extend this exception to your version of the - * file, but you are not obligated to do so. If you do not wish to do - * so, delete this exception statement from your version. - */ - -#ifndef WGET_STRING_T_H -#define WGET_STRING_T_H - -void escape_buffer PARAMS ((char **, size_t)); - -#endif /* WGET_STRING_T_H */