added qse_env_append() and related functions.
fixed how to handle multiple values with the same key when setting an environment variable for a cgi script
This commit is contained in:
parent
0f229c15f5
commit
bd64702fd4
@ -143,6 +143,20 @@ QSE_EXPORT int qse_env_insertmbsa (
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const qse_mchar_t* value[]
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);
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/**
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* The qse_env_appendwcs() function appends an extra value to the last item
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* in the environment list.
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*/
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int qse_env_appendwcs (
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qse_env_t* env,
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const qse_wchar_t* value
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);
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int qse_env_appendmbs (
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qse_env_t* env,
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const qse_mchar_t* value
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);
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QSE_EXPORT int qse_env_deletewcs (
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qse_env_t* env,
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const qse_wchar_t* name
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@ -156,10 +170,12 @@ QSE_EXPORT int qse_env_deletembs (
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#if defined(QSE_CHAR_IS_MCHAR)
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# define qse_env_insert(env,name,value) qse_env_insertmbs(env,name,value)
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# define qse_env_inserta(env,name,value) qse_env_insertmbsa(env,name,value)
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# define qse_env_append(env,value) qse_env_appendmbs(env,value)
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# define qse_env_delete(env,name) qse_env_deletembs(env,name)
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#else
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# define qse_env_insert(env,name,value) qse_env_insertwcs(env,name,value)
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# define qse_env_inserta(env,name,value) qse_env_insertwcsa(env,name,value)
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# define qse_env_append(env,value) qse_env_appendwcs(env,value)
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# define qse_env_delete(env,name) qse_env_deletewcs(env,name)
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#endif
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@ -182,12 +182,10 @@ static int insertw (qse_env_t* env, const qse_wchar_t* name, const qse_wchar_t*
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nl = qse_wcslen (name);
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for (i = 0, vl = 0; value[i]; i++) vl += qse_wcslen(value[i]);
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if (env->arr.len >= env->arr.capa &&
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expandarr(env) <= -1) return -1;
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if (env->arr.len >= env->arr.capa && expandarr(env) <= -1) return -1;
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tl = nl + 1 + vl + 1; /* name = value '\0' */
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if (env->str.len + tl > env->str.capa &&
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expandstr (env, tl) <= -1) return -1;
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if (env->str.len + tl > env->str.capa && expandstr (env, tl) <= -1) return -1;
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env->arr.ptr[env->arr.len++] = &env->str.ptr[env->str.len];
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env->arr.ptr[env->arr.len] = QSE_NULL;
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@ -201,16 +199,42 @@ static int insertw (qse_env_t* env, const qse_wchar_t* name, const qse_wchar_t*
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return 0;
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}
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static int appendw (qse_env_t* env, const qse_wchar_t* value[])
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{
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/* append more values to the last item in the environment */
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qse_size_t vl, i;
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/* no item in the environment */
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if (env->arr.len <= 0) return -1;
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QSE_ASSERT (env->str.len > 0);
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/* get the length of the values concatenated */
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for (i = 0, vl = 0; value[i]; i++) vl += qse_wcslen(value[i]);
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/* expand the string buffer if it's not large enough to hold additional values */
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if (env->str.len + vl > env->str.capa && expandstr (env, vl) <= -1) return -1;
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env->str.len--; /* decrement to override the terminating null */
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/* copy additional values */
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for (i = 0; value[i]; i++)
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env->str.len += qse_wcscpy (&env->str.ptr[env->str.len], value[i]);
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/* terminate the string buffer */
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env->str.ptr[++env->str.len] = QSE_WT('\0');
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return 0;
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}
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static int add_envstrw (qse_env_t* env, const qse_wchar_t* nv)
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{
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qse_size_t tl;
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if (env->arr.len >= env->arr.capa &&
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expandarr(env) <= -1) return -1;
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if (env->arr.len >= env->arr.capa && expandarr(env) <= -1) return -1;
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tl = qse_wcslen(nv) + 1;
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if (env->str.len + tl > env->str.capa &&
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expandstr (env, tl) <= -1) return -1;
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if (env->str.len + tl > env->str.capa && expandstr (env, tl) <= -1) return -1;
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env->arr.ptr[env->arr.len++] = &env->str.ptr[env->str.len];
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env->arr.ptr[env->arr.len] = QSE_NULL;
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@ -262,12 +286,10 @@ static int insertm (qse_env_t* env, const qse_mchar_t* name, const qse_mchar_t*
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nl = qse_mbslen (name);
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for (i = 0, vl = 0; value[i]; i++) vl += qse_mbslen(value[i]);
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if (env->arr.len >= env->arr.capa &&
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expandarr(env) <= -1) return -1;
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if (env->arr.len >= env->arr.capa && expandarr(env) <= -1) return -1;
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tl = nl + 1 + vl + 1; /* name = value '\0' */
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if (env->str.len + tl > env->str.capa &&
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expandstr (env, tl) <= -1) return -1;
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if (env->str.len + tl > env->str.capa && expandstr (env, tl) <= -1) return -1;
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env->arr.ptr[env->arr.len++] = &env->str.ptr[env->str.len];
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env->arr.ptr[env->arr.len] = QSE_NULL;
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@ -281,16 +303,42 @@ static int insertm (qse_env_t* env, const qse_mchar_t* name, const qse_mchar_t*
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return 0;
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}
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static int appendm (qse_env_t* env, const qse_mchar_t* value[])
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{
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/* append more values to the last item in the environment */
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qse_size_t vl, i;
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/* no item in the environment */
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if (env->arr.len <= 0) return -1;
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QSE_ASSERT (env->str.len > 0);
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/* get the length of the values concatenated */
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for (i = 0, vl = 0; value[i]; i++) vl += qse_mbslen(value[i]);
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/* expand the string buffer if it's not large enough to hold additional values */
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if (env->str.len + vl > env->str.capa && expandstr (env, vl) <= -1) return -1;
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env->str.len--; /* decrement to override the terminating null */
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/* copy additional values */
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for (i = 0; value[i]; i++)
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env->str.len += qse_mbscpy (&env->str.ptr[env->str.len], value[i]);
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/* terminate the string buffer */
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env->str.ptr[++env->str.len] = QSE_MT('\0');
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return 0;
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}
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static int add_envstrm (qse_env_t* env, const qse_mchar_t* nv)
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{
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qse_size_t tl;
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if (env->arr.len >= env->arr.capa &&
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expandarr(env) <= -1) return -1;
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if (env->arr.len >= env->arr.capa && expandarr(env) <= -1) return -1;
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tl = qse_mbslen(nv) + 1;
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if (env->str.len + tl > env->str.capa &&
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expandstr (env, tl) <= -1) return -1;
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if (env->str.len + tl > env->str.capa && expandstr (env, tl) <= -1) return -1;
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env->arr.ptr[env->arr.len++] = &env->str.ptr[env->str.len];
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env->arr.ptr[env->arr.len] = QSE_NULL;
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@ -363,6 +411,26 @@ static QSE_INLINE int insert_wcs (
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#endif
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}
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static QSE_INLINE int append_wcs (qse_env_t* env, const qse_wchar_t* value[])
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{
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#if defined(QSE_ENV_CHAR_IS_WCHAR)
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/* no conversion -> wchar */
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return appendw (env, name, value);
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#else
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/* convert wchar to mchar */
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qse_mchar_t* valuedup[2];
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int n;
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valuedup[0] = qse_wcsatombsdup (value, QSE_NULL, env->mmgr); /* TODO: ignore mbwcerr */
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if (valuedup == QSE_NULL) return -1;
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valuedup[1] = QSE_NULL;
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n = appendm (env, valuedup);
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QSE_MMGR_FREE (env->mmgr, valuedup[0]);
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return n;
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#endif
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}
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static QSE_INLINE int insert_mbs (
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qse_env_t* env, const qse_mchar_t* name, const qse_mchar_t* value[])
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{
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@ -389,7 +457,26 @@ static QSE_INLINE int insert_mbs (
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/* no conversion -> mchar */
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return insertm (env, name, value);
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#endif
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}
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static QSE_INLINE int append_mbs (qse_env_t* env, const qse_mchar_t* value[])
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{
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#if defined(QSE_ENV_CHAR_IS_WCHAR)
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/* convert mchar to wchar */
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qse_wchar_t* valuedup[2];
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int n;
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valuedup[0] = qse_mbsatowcsalldup (value, QSE_NULL, env->mmgr);
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if (valuedup[0] == QSE_NULL) return -1;
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valuedup[1] = QSE_NULL;
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n = appendw (env, namedup, valuedup);
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QSE_MMGR_FREE (env->mmgr, valuedup[0]);
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return n;
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#else
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/* no conversion -> mchar */
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return appendm (env, value);
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#endif
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}
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#if defined(_WIN32)
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@ -629,7 +716,7 @@ done:
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qse_wchar_t* dup;
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int n;
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dup = qse_mbstowcsdup (*p, env->mmgr); /* TODO: ignroe mbwcerr */
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dup = qse_mbstowcsdup (*p, env->mmgr); /* TODO: ignore mbwcerr */
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if (dup == QSE_NULL) return -1;
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n = add_envstrw (env, dup);
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QSE_MMGR_FREE (env->mmgr, dup);
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@ -703,6 +790,22 @@ int qse_env_insertmbsa (
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return value? insert_mbs (env, name, value): insert_sys_mbs (env, name);
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}
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int qse_env_appendwcs (qse_env_t* env, const qse_wchar_t* value)
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{
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const qse_wchar_t* va[2];
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va[0] = value;
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va[1] = QSE_NULL;
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return append_wcs (env, va);
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}
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int qse_env_appendmbs (qse_env_t* env, const qse_mchar_t* value)
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{
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const qse_mchar_t* va[2];
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va[0] = value;
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va[1] = QSE_NULL;
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return append_mbs (env, va);
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}
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int qse_env_deletewcs (qse_env_t* env, const qse_wchar_t* name)
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{
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#if defined(QSE_ENV_CHAR_IS_WCHAR)
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@ -111,8 +111,6 @@ struct cgi_client_req_hdr_ctx_t
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qse_env_t* env;
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};
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static int cgi_capture_client_header (
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qse_htre_t* req, const qse_mchar_t* key, const qse_htre_hdrval_t* val, void* ctx)
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{
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@ -140,8 +138,6 @@ static int cgi_capture_client_header (
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if (*ptr == QSE_MT('-')) *ptr = '_';
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}
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/* insert the last value only */
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while (val->next) val = val->next;
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ret = qse_env_insertmbs (hdrctx->env, http_key, val->ptr);
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if (ret <= -1)
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{
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@ -149,8 +145,18 @@ static int cgi_capture_client_header (
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hdrctx->httpd->errnum = QSE_HTTPD_ENOMEM;
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return -1;
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}
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QSE_MMGR_FREE (req->mmgr, http_key);
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/* append values with the same key */
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while ((val = val->next))
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{
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if (qse_env_appendmbs (hdrctx->env, QSE_MT(", ")) <= -1 ||
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qse_env_appendmbs (hdrctx->env, val->ptr) <= -1)
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{
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hdrctx->httpd->errnum = QSE_HTTPD_ENOMEM;
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return -1;
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}
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}
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}
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return 0;
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@ -442,19 +448,20 @@ static int cgi_add_env (
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qparam = qse_htre_getqparam(req);
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#ifdef _WIN32
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qse_env_insert (env, QSE_T("PATH"), QSE_NULL);
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if (qse_env_insert (env, QSE_T("PATH"), QSE_NULL) <= -1) goto oops_nomem;
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#else
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qse_env_insertmbs (env, QSE_MT("LANG"), QSE_NULL);
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qse_env_insertmbs (env, QSE_MT("PATH"), QSE_NULL);
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if (qse_env_insertmbs (env, QSE_MT("LANG"), QSE_NULL) <= -1 ||
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qse_env_insertmbs (env, QSE_MT("PATH"), QSE_NULL)) goto oops_nomem;
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#endif
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qse_env_insertmbs (env, QSE_MT("GATEWAY_INTERFACE"), QSE_MT("CGI/1.1"));
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if (qse_env_insertmbs (env, QSE_MT("GATEWAY_INTERFACE"), QSE_MT("CGI/1.1")) <= -1) goto oops_nomem;
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qse_mbsxfmt (buf, QSE_COUNTOF(buf), QSE_MT("HTTP/%d.%d"), (int)v->major, (int)v->minor);
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qse_env_insertmbs (env, QSE_MT("SERVER_PROTOCOL"), buf);
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if (qse_env_insertmbs (env, QSE_MT("SERVER_PROTOCOL"), buf) <= -1) goto oops_nomem;
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if (qse_env_insertmbs (env, QSE_MT("SCRIPT_FILENAME"), path) <= -1 ||
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qse_env_insertmbs (env, QSE_MT("SCRIPT_NAME"), script) <= -1 ||
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qse_env_insertmbs (env, QSE_MT("DOCUMENT_ROOT"), root) <= -1) goto oops_nomem;
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qse_env_insertmbs (env, QSE_MT("SCRIPT_FILENAME"), path);
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qse_env_insertmbs (env, QSE_MT("SCRIPT_NAME"), script);
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qse_env_insertmbs (env, QSE_MT("DOCUMENT_ROOT"), root);
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if (suffix && suffix[0] != QSE_MT('\0'))
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{
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const qse_mchar_t* tmp[3];
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@ -468,40 +475,50 @@ static int cgi_add_env (
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if (tr)
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{
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qse_canonmbspath (tr, tr, 0);
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qse_env_insertmbs (env, QSE_MT("PATH_TRANSLATED"), tr);
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if (qse_env_insertmbs (env, QSE_MT("PATH_TRANSLATED"), tr) <= -1)
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{
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QSE_MMGR_FREE (httpd->mmgr, tr);
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goto oops_nomem;
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}
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QSE_MMGR_FREE (httpd->mmgr, tr);
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}
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qse_env_insertmbs (env, QSE_MT("PATH_INFO"), suffix);
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if (qse_env_insertmbs (env, QSE_MT("PATH_INFO"), suffix) <= -1) goto oops_nomem;
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}
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qse_env_insertmbs (env, QSE_MT("REQUEST_METHOD"), qse_htre_getqmethodname(req));
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qse_env_insertmbs (env, QSE_MT("REQUEST_URI"), qse_htre_getqpath(req));
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if (qparam) qse_env_insertmbs (env, QSE_MT("QUERY_STRING"), qparam);
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if (qse_env_insertmbs (env, QSE_MT("REQUEST_METHOD"), qse_htre_getqmethodname(req)) <= -1 ||
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qse_env_insertmbs (env, QSE_MT("REQUEST_URI"), qse_htre_getqpath(req)) <= -1) goto oops_nomem;
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if (qparam && qse_env_insertmbs (env, QSE_MT("QUERY_STRING"), qparam) <= -1) goto oops_nomem;
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qse_fmtuintmaxtombs (buf, QSE_COUNTOF(buf), content_length, 10, -1, QSE_MT('\0'), QSE_NULL);
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qse_env_insertmbs (env, QSE_MT("CONTENT_LENGTH"), buf);
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if (content_type) qse_env_insertmbs (env, QSE_MT("CONTENT_TYPE"), content_type);
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if (qse_env_insertmbs (env, QSE_MT("CONTENT_LENGTH"), buf) <= -1) goto oops_nomem;
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if (content_type && qse_env_insertmbs (env, QSE_MT("CONTENT_TYPE"), content_type) <= -1) goto oops_nomem;
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if (chunked) qse_env_insertmbs (env, QSE_MT("TRANSFER_ENCODING"), QSE_MT("chunked"));
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if (chunked && qse_env_insertmbs (env, QSE_MT("TRANSFER_ENCODING"), QSE_MT("chunked")) <= 1) goto oops_nomem;
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qse_env_insertmbs (env, "SERVER_SOFTWARE", qse_httpd_getname(httpd));
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if (qse_env_insertmbs (env, "SERVER_SOFTWARE", qse_httpd_getname(httpd)) <= -1) goto oops_nomem;
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qse_nwadtombs (&client->local_addr, buf, QSE_COUNTOF(buf), QSE_NWADTOMBS_PORT);
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qse_env_insertmbs (env, QSE_MT("SERVER_PORT"), buf);
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if (qse_env_insertmbs (env, QSE_MT("SERVER_PORT"), buf) <= -1) goto oops_nomem;
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qse_nwadtombs (&client->local_addr, buf, QSE_COUNTOF(buf), QSE_NWADTOMBS_ADDR);
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qse_env_insertmbs (env, QSE_MT("SERVER_ADDR"), buf);
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qse_env_insertmbs (env, QSE_MT("SERVER_NAME"), buf); /* TODO: convert it to a host name */
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if (qse_env_insertmbs (env, QSE_MT("SERVER_ADDR"), buf) <= -1) goto oops_nomem;
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if (qse_env_insertmbs (env, QSE_MT("SERVER_NAME"), buf) <= -1) goto oops_nomem; /* TODO: convert it to a host name */
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qse_nwadtombs (&client->remote_addr, buf, QSE_COUNTOF(buf), QSE_NWADTOMBS_PORT);
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qse_env_insertmbs (env, QSE_MT("REMOTE_PORT"), buf);
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if (qse_env_insertmbs (env, QSE_MT("REMOTE_PORT"), buf) <= -1) goto oops_nomem;
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qse_nwadtombs (&client->remote_addr, buf, QSE_COUNTOF(buf), QSE_NWADTOMBS_ADDR);
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qse_env_insertmbs (env, QSE_MT("REMOTE_ADDR"), buf);
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if (qse_env_insertmbs (env, QSE_MT("REMOTE_ADDR"), buf) <= -1) goto oops_nomem;
|
||||
|
||||
ctx.httpd = httpd;
|
||||
ctx.env = env;
|
||||
if (qse_htre_walkheaders (req, cgi_capture_client_header, &ctx) <= -1) return -1;
|
||||
if (qse_htre_walktrailers (req, cgi_capture_client_header, &ctx) <= -1) return -1;
|
||||
if (qse_htre_walkheaders (req, cgi_capture_client_header, &ctx) <= -1 ||
|
||||
qse_htre_walktrailers (req, cgi_capture_client_header, &ctx) <= -1) goto oops;
|
||||
|
||||
return 0;
|
||||
|
||||
oops_nomem:
|
||||
httpd->errnum = QSE_HTTPD_ENOMEM;
|
||||
oops:
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int cgi_snatch_client_input (
|
||||
|
||||
@ -201,6 +201,7 @@ static int proxy_capture_peer_header (qse_htre_t* req, const qse_mchar_t* key, c
|
||||
{
|
||||
task_proxy_t* proxy = (task_proxy_t*)ctx;
|
||||
|
||||
#if 0
|
||||
if (!(proxy->httpd->opt.trait & QSE_HTTPD_PROXYNOVIA) && !(proxy->flags & PROXY_VIA_RETURNING))
|
||||
{
|
||||
if (qse_mbscasecmp (key, QSE_MT("Via")) == 0)
|
||||
@ -229,6 +230,7 @@ static int proxy_capture_peer_header (qse_htre_t* req, const qse_mchar_t* key, c
|
||||
qse_httpd_getname(proxy->httpd));
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
if (qse_mbscasecmp (key, QSE_MT("Connection")) != 0 &&
|
||||
qse_mbscasecmp (key, QSE_MT("Transfer-Encoding")) != 0)
|
||||
@ -258,9 +260,9 @@ static int proxy_capture_client_header (qse_htre_t* req, const qse_mchar_t* key,
|
||||
task_proxy_t* proxy = (task_proxy_t*)ctx;
|
||||
|
||||
#if 0
|
||||
if (!(proxy->flags & (PROXY_TRANSPARENT | PROXY_X_FORWARDED_FOR)))
|
||||
if (!(proxy->flags & PROXY_TRANSPARENT))
|
||||
{
|
||||
if (qse_mbscasecmp (key, QSE_MT("X-Forwarded-For")) == 0)
|
||||
if (!(proxy->flags & PROXY_X_FORWARDED_FOR) && qse_mbscasecmp (key, QSE_MT("X-Forwarded-For")) == 0)
|
||||
{
|
||||
/* append to X-Forwarded-For if it exists in the header.
|
||||
* note that it add a comma even if the existing value is empty.
|
||||
@ -274,7 +276,7 @@ static int proxy_capture_client_header (qse_htre_t* req, const qse_mchar_t* key,
|
||||
return proxy_add_header_to_buffer_with_extra_data (proxy, proxy->reqfwdbuf, key, val, QSE_MT(", %hs"), extra);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
if (!(proxy->httpd->opt.trait & QSE_HTTPD_PROXYNOVIA) && !(proxy->flags & PROXY_VIA))
|
||||
{
|
||||
@ -303,6 +305,7 @@ static int proxy_capture_client_header (qse_htre_t* req, const qse_mchar_t* key,
|
||||
qse_httpd_getname(proxy->httpd));
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/* EXPERIMENTAL: REMOVE HEADERS.
|
||||
* FOR EXAMPLE, You can remove Referer or forge it to give analysis systems harder time */
|
||||
@ -1145,6 +1148,9 @@ qse_mbs_ncat (proxy->reqfwdbuf, spc, QSE_COUNTOF(spc));
|
||||
if (qse_mbs_cat (proxy->reqfwdbuf, QSE_MT("X-Forwarded-Proto: ")) == (qse_size_t)-1 ||
|
||||
qse_mbs_cat (proxy->reqfwdbuf, ((client->status & QSE_HTTPD_CLIENT_SECURE)? QSE_MT("https"): QSE_MT("http"))) == (qse_size_t)-1 ||
|
||||
qse_mbs_cat (proxy->reqfwdbuf, QSE_MT("\r\n")) == (qse_size_t)-1) goto nomem_oops;
|
||||
|
||||
/* TODO: support the Forwarded header in RFC7239.
|
||||
* Forwarded: for=xxx;by=xxx;prot=xxxx */
|
||||
}
|
||||
|
||||
proxy->resflags |= PROXY_RES_AWAIT_RESHDR;
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
#include <qse/cmn/env.h>
|
||||
#include <qse/cmn/mem.h>
|
||||
#include <qse/cmn/str.h>
|
||||
#include <qse/cmn/stdio.h>
|
||||
#include <qse/cmn/sio.h>
|
||||
|
||||
#define R(f) \
|
||||
do { \
|
||||
@ -106,7 +106,11 @@ static int test3 (void)
|
||||
|
||||
env = qse_env_open (QSE_MMGR_GETDFL(), 0, 0);
|
||||
|
||||
qse_printf (QSE_T("appending to PATH => %d\n"), qse_env_append (env, QSE_T("xxx"))); /* this should fail as there's no item in the environment */
|
||||
qse_printf (QSE_T("inserting PATH => %d\n"), qse_env_insert (env, QSE_T("PATH"), QSE_NULL));
|
||||
qse_printf (QSE_T("appending to PATH => %d\n"), qse_env_append (env, QSE_T(":/usr/xxx/bin:/tmp/bin:/var/lib/qse/bin/sbin/test/bin")));
|
||||
qse_printf (QSE_T("appending to PATH => %d\n"), qse_env_append (env, QSE_T("")));
|
||||
|
||||
qse_printf (QSE_T("inserting HOME => %d\n"), qse_env_insertmbs (env, QSE_MT("HOME"), QSE_NULL));
|
||||
qse_printf (QSE_T("inserting USER => %d\n"), qse_env_insertwcs (env, QSE_WT("USER"), QSE_NULL));
|
||||
qse_printf (QSE_T("inserting WHAT => %d\n"), qse_env_insert (env, QSE_T("WHAT"), QSE_NULL));
|
||||
@ -120,8 +124,12 @@ static int test3 (void)
|
||||
}
|
||||
int main ()
|
||||
{
|
||||
qse_openstdsios();
|
||||
|
||||
R (test1);
|
||||
R (test2);
|
||||
R (test3);
|
||||
|
||||
qse_closestdsios();
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user