+++ /dev/null
-/*
- +--------------------------------------------------------------------+
- | PECL :: http |
- +--------------------------------------------------------------------+
- | Redistribution and use in source and binary forms, with or without |
- | modification, are permitted provided that the conditions mentioned |
- | in the accompanying LICENSE file are met. |
- +--------------------------------------------------------------------+
- | Copyright (c) 2004-2014, Michael Wallner <mike@php.net> |
- +--------------------------------------------------------------------+
-*/
-
-#include <php.h>
-#include "php_http_buffer.h"
-
-PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_init_ex(php_http_buffer_t *buf, size_t chunk_size, int flags)
-{
- if (!buf) {
- buf = pemalloc(sizeof(*buf), flags & PHP_HTTP_BUFFER_INIT_PERSISTENT);
- }
-
- if (buf) {
- buf->size = (chunk_size) ? chunk_size : PHP_HTTP_BUFFER_DEFAULT_SIZE;
- buf->pmem = (flags & PHP_HTTP_BUFFER_INIT_PERSISTENT) ? 1 : 0;
- buf->data = (flags & PHP_HTTP_BUFFER_INIT_PREALLOC) ? pemalloc(buf->size, buf->pmem) : NULL;
- buf->free = (flags & PHP_HTTP_BUFFER_INIT_PREALLOC) ? buf->size : 0;
- buf->used = 0;
- }
-
- return buf;
-}
-
-PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_from_string_ex(php_http_buffer_t *buf, const char *string, size_t length)
-{
- if ((buf = php_http_buffer_init(buf))) {
- if (PHP_HTTP_BUFFER_NOMEM == php_http_buffer_append(buf, string, length)) {
- pefree(buf, buf->pmem);
- buf = NULL;
- }
- }
- return buf;
-}
-
-PHP_HTTP_BUFFER_API size_t php_http_buffer_resize_ex(php_http_buffer_t *buf, size_t len, size_t override_size, int allow_error)
-{
- char *ptr = NULL;
-#if 0
- fprintf(stderr, "RESIZE: len=%lu, size=%lu, used=%lu, free=%lu, total=%lu\n", len, buf->size, buf->used, buf->free, buf->free+buf->used);
-#endif
- if (buf->free < len) {
- size_t size = override_size ? override_size : buf->size;
-
- while ((size + buf->free) < len) {
- size <<= 1;
- }
-
- if (allow_error) {
- ptr = perealloc_recoverable(buf->data, buf->used + buf->free + size, buf->pmem);
- } else {
- ptr = perealloc(buf->data, buf->used + buf->free + size, buf->pmem);
- }
-
- if (ptr) {
- buf->data = ptr;
- } else {
- return PHP_HTTP_BUFFER_NOMEM;
- }
-
- buf->free += size;
- return size;
- }
- return 0;
-}
-
-PHP_HTTP_BUFFER_API char *php_http_buffer_account(php_http_buffer_t *buf, size_t to_account)
-{
- assert(to_account <= buf->free);
-
- buf->free -= to_account;
- buf->used += to_account;
-
- return buf->data + buf->used;
-}
-
-PHP_HTTP_BUFFER_API size_t php_http_buffer_shrink(php_http_buffer_t *buf)
-{
- /* avoid another realloc on fixation */
- if (buf->free > 1) {
- char *ptr = perealloc(buf->data, buf->used + 1, buf->pmem);
-
- if (ptr) {
- buf->data = ptr;
- } else {
- return PHP_HTTP_BUFFER_NOMEM;
- }
- buf->free = 1;
- }
- return buf->used;
-}
-
-PHP_HTTP_BUFFER_API size_t php_http_buffer_append(php_http_buffer_t *buf, const char *append, size_t append_len)
-{
- if (buf->free < append_len && PHP_HTTP_BUFFER_NOMEM == php_http_buffer_resize(buf, append_len)) {
- return PHP_HTTP_BUFFER_NOMEM;
- }
- memcpy(buf->data + buf->used, append, append_len);
- buf->used += append_len;
- buf->free -= append_len;
- return append_len;
-}
-
-PHP_HTTP_BUFFER_API size_t php_http_buffer_appendf(php_http_buffer_t *buf, const char *format, ...)
-{
- va_list argv;
- char *append;
- size_t append_len, alloc;
-
- va_start(argv, format);
- append_len = vspprintf(&append, 0, format, argv);
- va_end(argv);
-
- alloc = php_http_buffer_append(buf, append, append_len);
- efree(append);
-
- if (PHP_HTTP_BUFFER_NOMEM == alloc) {
- return PHP_HTTP_BUFFER_NOMEM;
- }
- return append_len;
-}
-
-PHP_HTTP_BUFFER_API char *php_http_buffer_data(const php_http_buffer_t *buf, char **into, size_t *len)
-{
- char *copy = ecalloc(1, buf->used + 1);
- memcpy(copy, buf->data, buf->used);
- if (into) {
- *into = copy;
- }
- if (len) {
- *len = buf->used;
- }
- return copy;
-}
-
-PHP_HTTP_BUFFER_API size_t php_http_buffer_cut(php_http_buffer_t *buf, size_t offset, size_t length)
-{
- if (offset > buf->used) {
- return 0;
- }
- if (offset + length > buf->used) {
- length = buf->used - offset;
- }
- memmove(buf->data + offset, buf->data + offset + length, buf->used - length - offset);
- buf->used -= length;
- buf->free += length;
- return length;
-}
-
-PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_fix(php_http_buffer_t *buf)
-{
- if (buf->free < 1 && PHP_HTTP_BUFFER_NOMEM == php_http_buffer_resize_ex(buf, 1, 1, 0)) {
- return NULL;
- }
- buf->data[buf->used] = '\0';
- return buf;
-}
-
-PHP_HTTP_BUFFER_API void php_http_buffer_reset(php_http_buffer_t *buf)
-{
- buf->free += buf->used;
- buf->used = 0;
-}
-
-PHP_HTTP_BUFFER_API void php_http_buffer_dtor(php_http_buffer_t *buf)
-{
- if (buf->data) {
- pefree(buf->data, buf->pmem);
- buf->data = NULL;
- }
- buf->used = 0;
- buf->free = 0;
-}
-
-PHP_HTTP_BUFFER_API void php_http_buffer_free(php_http_buffer_t **buf)
-{
- if (*buf) {
- php_http_buffer_dtor(*buf);
- pefree(*buf, (*buf)->pmem);
- *buf = NULL;
- }
-}
-
-PHP_HTTP_BUFFER_API size_t php_http_buffer_chunk_buffer(php_http_buffer_t **s, const char *data, size_t data_len, char **chunk, size_t chunk_size)
-{
- php_http_buffer_t *storage;
-
- *chunk = NULL;
-
- if (!*s) {
- *s = php_http_buffer_init_ex(NULL, chunk_size << 1, chunk_size ? PHP_HTTP_BUFFER_INIT_PREALLOC : 0);
- }
- storage = *s;
-
- if (data_len) {
- php_http_buffer_append(storage, data, data_len);
- }
-
- if (!chunk_size) {
- php_http_buffer_data(storage, chunk, &chunk_size);
- php_http_buffer_free(s);
- return chunk_size;
- }
-
- if (storage->used >= chunk_size) {
- *chunk = estrndup(storage->data, chunk_size);
- php_http_buffer_cut(storage, 0, chunk_size);
- return chunk_size;
- }
-
- return 0;
-}
-
-PHP_HTTP_BUFFER_API size_t php_http_buffer_chunked_output(php_http_buffer_t **s, const char *data, size_t data_len, size_t chunk_len, php_http_buffer_pass_func_t passout, void *opaque TSRMLS_DC)
-{
- char *chunk = NULL;
- size_t passed = 0, got = 0;
-
- while ((got = php_http_buffer_chunk_buffer(s, data, data_len, &chunk, chunk_len))) {
- if (PHP_HTTP_BUFFER_PASS0 == passout(opaque, chunk, got TSRMLS_CC)) {
- PTR_SET(chunk, NULL);
- return PHP_HTTP_BUFFER_PASS0;
- }
- ++passed;
- if (!chunk_len) {
- /* we already got the last chunk,
- and freed all resources */
- break;
- }
- data = NULL;
- data_len = 0;
- PTR_SET(chunk, NULL);
- }
- PTR_FREE(chunk);
- return passed;
-}
-
-PHP_HTTP_BUFFER_API ssize_t php_http_buffer_passthru(php_http_buffer_t **s, size_t chunk_size, php_http_buffer_pass_func_t passin, void *passin_arg, php_http_buffer_pass_func_t passon, void *passon_arg TSRMLS_DC)
-{
- size_t passed_on = 0, passed_in = php_http_buffer_chunked_input(s, chunk_size, passin, passin_arg TSRMLS_CC);
-
- if (passed_in == PHP_HTTP_BUFFER_PASS0) {
- return passed_in;
- }
- if (passed_in || (*s)->used) {
- passed_on = passon(passon_arg, (*s)->data, (*s)->used TSRMLS_CC);
-
- if (passed_on == PHP_HTTP_BUFFER_PASS0) {
- return passed_on;
- }
-
- if (passed_on) {
- php_http_buffer_cut(*s, 0, passed_on);
- }
- }
-
- return passed_on - passed_in;
-}
-
-PHP_HTTP_BUFFER_API size_t php_http_buffer_chunked_input(php_http_buffer_t **s, size_t chunk_size, php_http_buffer_pass_func_t passin, void *opaque TSRMLS_DC)
-{
- php_http_buffer_t *str;
- size_t passed;
-
- if (!*s) {
- *s = php_http_buffer_init_ex(NULL, chunk_size, chunk_size ? PHP_HTTP_BUFFER_INIT_PREALLOC : 0);
- }
- str = *s;
-
- php_http_buffer_resize(str, chunk_size);
- passed = passin(opaque, str->data + str->used, chunk_size TSRMLS_CC);
-
- if (passed != PHP_HTTP_BUFFER_PASS0) {
- str->used += passed;
- str->free -= passed;
- }
-
- php_http_buffer_fix(str);
-
- return passed;
-}
-
-#ifdef PHP_HTTP_BUFFER_EXTENDED
-
-PHP_HTTP_BUFFER_API int php_http_buffer_cmp(php_http_buffer_t *left, php_http_buffer_t *right)
-{
- if (left->used > right->used) {
- return -1;
- } else if (right->used > left->used) {
- return 1;
- } else {
- return memcmp(left->data, right->data, left->used);
- }
-}
-
-PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_copy(const php_http_buffer_t *from, php_http_buffer_t *to)
-{
- int free_to = !to;
-
- to = php_http_buffer_clone(from, to);
-
- if (PHP_HTTP_BUFFER_NOMEM == php_http_buffer_append(to, from->data, from->used)) {
- if (free_to) {
- php_http_buffer_free(&to);
- } else {
- php_http_buffer_dtor(to);
- }
- }
- return to;
-}
-
-PHP_HTTP_BUFFER_API size_t php_http_buffer_insert(php_http_buffer_t *buf, const char *insert, size_t insert_len, size_t offset)
-{
- if (PHP_HTTP_BUFFER_NOMEM == php_http_buffer_resize(buf, insert_len)) {
- return PHP_HTTP_BUFFER_NOMEM;
- }
- memmove(buf->data + offset + insert_len, buf->data + offset, insert_len);
- memcpy(buf->data + offset, insert, insert_len);
- buf->used += insert_len;
- buf->free -= insert_len;
- return insert_len;
-}
-
-PHP_HTTP_BUFFER_API size_t php_http_buffer_insertf(php_http_buffer_t *buf, size_t offset, const char *format, ...)
-{
- va_list argv;
- char *insert;
- size_t insert_len, alloc;
-
- va_start(argv, format);
- insert_len = vspprintf(&insert, 0, format, argv);
- va_end(argv);
-
- alloc = php_http_buffer_insert(buf, insert, insert_len, offset);
- efree(insert);
-
- if (PHP_HTTP_BUFFER_NOMEM == alloc) {
- return PHP_HTTP_BUFFER_NOMEM;
- }
- return insert_len;
-}
-
-PHP_HTTP_BUFFER_API size_t php_http_buffer_prepend(php_http_buffer_t *buf, const char *prepend, size_t prepend_len)
-{
- if (PHP_HTTP_BUFFER_NOMEM == php_http_buffer_resize(buf, prepend_len)) {
- return PHP_HTTP_BUFFER_NOMEM;
- }
- memmove(buf->data + prepend_len, buf->data, buf->used);
- memcpy(buf->data, prepend, prepend_len);
- buf->used += prepend_len;
- buf->free -= prepend_len;
- return prepend_len;
-}
-
-PHP_HTTP_BUFFER_API size_t php_http_buffer_prependf(php_http_buffer_t *buf, const char *format, ...)
-{
- va_list argv;
- char *prepend;
- size_t prepend_len, alloc;
-
- va_start(argv, format);
- prepend_len = vspprintf(&prepend, 0, format, argv);
- va_end(argv);
-
- alloc = php_http_buffer_prepend(buf, prepend, prepend_len);
- efree(prepend);
-
- if (PHP_HTTP_BUFFER_NOMEM == alloc) {
- return PHP_HTTP_BUFFER_NOMEM;
- }
- return prepend_len;
-}
-
-PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_sub(const php_http_buffer_t *buf, size_t offset, size_t length)
-{
- if (offset >= buf->used) {
- return NULL;
- } else {
- size_t need = 1 + ((length + offset) > buf->used ? (buf->used - offset) : (length - offset));
- php_http_buffer_t *sub = php_http_buffer_init_ex(NULL, need, PHP_HTTP_BUFFER_INIT_PREALLOC | (buf->pmem ? PHP_HTTP_BUFFER_INIT_PERSISTENT:0));
- if (sub) {
- if (PHP_HTTP_BUFFER_NOMEM == php_http_buffer_append(sub, buf->data + offset, need)) {
- php_http_buffer_free(&sub);
- } else {
- sub->size = buf->size;
- }
- }
- return sub;
- }
-}
-
-PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_right(const php_http_buffer_t *buf, size_t length)
-{
- if (length < buf->used) {
- return php_http_buffer_sub(buf, buf->used - length, length);
- } else {
- return php_http_buffer_sub(buf, 0, buf->used);
- }
-}
-
-
-PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_merge_va(php_http_buffer_t *buf, unsigned argc, va_list argv)
-{
- unsigned i = 0;
- buf = php_http_buffer_init(buf);
-
- if (buf) {
- while (argc > i++) {
- php_http_buffer_free_t f = va_arg(argv, php_http_buffer_free_t);
- php_http_buffer_t *current = va_arg(argv, php_http_buffer_t *);
- php_http_buffer_append(buf, current->data, current->used);
- FREE_PHP_HTTP_BUFFER(f, current);
- }
- }
-
- return buf;
-}
-
-PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_merge_ex(php_http_buffer_t *buf, unsigned argc, ...)
-{
- va_list argv;
- php_http_buffer_t *ret;
-
- va_start(argv, argc);
- ret = php_http_buffer_merge_va(buf, argc, argv);
- va_end(argv);
- return ret;
-}
-
-PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_merge(unsigned argc, ...)
-{
- va_list argv;
- php_http_buffer_t *ret;
-
- va_start(argv, argc);
- ret = php_http_buffer_merge_va(NULL, argc, argv);
- va_end(argv);
- return ret;
-}
-
-#endif
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- * vim600: sw=4 ts=4 fdm=marker
- * vim<600: sw=4 ts=4
- */
-
projects / m6w6 / ext-http / blobdiff