+++ /dev/null
-
-/* $Id$ */
-
-#include "php.h"
-#include "phpstr.h"
-
-PHPSTR_API phpstr *phpstr_init_ex(phpstr *buf, size_t chunk_size, int flags)
-{
- if (!buf) {
- buf = pemalloc(sizeof(phpstr), flags & PHPSTR_INIT_PERSISTENT);
- }
-
- if (buf) {
- buf->size = (chunk_size) ? chunk_size : PHPSTR_DEFAULT_SIZE;
- buf->pmem = (flags & PHPSTR_INIT_PERSISTENT) ? 1 : 0;
- buf->data = (flags & PHPSTR_INIT_PREALLOC) ? pemalloc(buf->size, buf->pmem) : NULL;
- buf->free = (flags & PHPSTR_INIT_PREALLOC) ? buf->size : 0;
- buf->used = 0;
- }
-
- return buf;
-}
-
-PHPSTR_API phpstr *phpstr_from_string_ex(phpstr *buf, const char *string, size_t length)
-{
- if ((buf = phpstr_init(buf))) {
- if (PHPSTR_NOMEM == phpstr_append(buf, string, length)) {
- pefree(buf, buf->pmem);
- buf = NULL;
- }
- }
- return buf;
-}
-
-PHPSTR_API size_t phpstr_resize_ex(phpstr *buf, size_t len, size_t override_size, int allow_error)
-{
- char *ptr = NULL;
-#if 0
- fprintf(stderr, "RESIZE: size=%lu, used=%lu, free=%lu\n", buf->size, buf->used, buf->free);
-#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 PHPSTR_NOMEM;
- }
-
- buf->free += size;
- return size;
- }
- return 0;
-}
-
-PHPSTR_API size_t phpstr_shrink(phpstr *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 PHPSTR_NOMEM;
- }
- buf->free = 1;
- }
- return buf->used;
-}
-
-PHPSTR_API size_t phpstr_append(phpstr *buf, const char *append, size_t append_len)
-{
- if (PHPSTR_NOMEM == phpstr_resize(buf, append_len)) {
- return PHPSTR_NOMEM;
- }
- memcpy(buf->data + buf->used, append, append_len);
- buf->used += append_len;
- buf->free -= append_len;
- return append_len;
-}
-
-PHPSTR_API size_t phpstr_appendf(phpstr *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 = phpstr_append(buf, append, append_len);
- efree(append);
-
- if (PHPSTR_NOMEM == alloc) {
- return PHPSTR_NOMEM;
- }
- return append_len;
-}
-
-PHPSTR_API size_t phpstr_insert(phpstr *buf, const char *insert, size_t insert_len, size_t offset)
-{
- if (PHPSTR_NOMEM == phpstr_resize(buf, insert_len)) {
- return PHPSTR_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;
-}
-
-PHPSTR_API size_t phpstr_insertf(phpstr *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 = phpstr_insert(buf, insert, insert_len, offset);
- efree(insert);
-
- if (PHPSTR_NOMEM == alloc) {
- return PHPSTR_NOMEM;
- }
- return insert_len;
-}
-
-PHPSTR_API size_t phpstr_prepend(phpstr *buf, const char *prepend, size_t prepend_len)
-{
- if (PHPSTR_NOMEM == phpstr_resize(buf, prepend_len)) {
- return PHPSTR_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;
-}
-
-PHPSTR_API size_t phpstr_prependf(phpstr *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 = phpstr_prepend(buf, prepend, prepend_len);
- efree(prepend);
-
- if (PHPSTR_NOMEM == alloc) {
- return PHPSTR_NOMEM;
- }
- return prepend_len;
-}
-
-PHPSTR_API char *phpstr_data(const phpstr *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;
-}
-
-PHPSTR_API phpstr *phpstr_dup(const phpstr *buf)
-{
- phpstr *dup = phpstr_clone(buf);
- if (PHPSTR_NOMEM == phpstr_append(dup, buf->data, buf->used)) {
- phpstr_free(&dup);
- }
- return dup;
-}
-
-PHPSTR_API size_t phpstr_cut(phpstr *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);
- buf->used -= length;
- buf->free += length;
- return length;
-}
-
-PHPSTR_API phpstr *phpstr_sub(const phpstr *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));
- phpstr *sub = phpstr_init_ex(NULL, need, PHPSTR_INIT_PREALLOC | (buf->pmem ? PHPSTR_INIT_PERSISTENT:0));
- if (sub) {
- if (PHPSTR_NOMEM == phpstr_append(sub, buf->data + offset, need)) {
- phpstr_free(&sub);
- } else {
- sub->size = buf->size;
- }
- }
- return sub;
- }
-}
-
-PHPSTR_API phpstr *phpstr_right(const phpstr *buf, size_t length)
-{
- if (length < buf->used) {
- return phpstr_sub(buf, buf->used - length, length);
- } else {
- return phpstr_sub(buf, 0, buf->used);
- }
-}
-
-
-PHPSTR_API phpstr *phpstr_merge_va(phpstr *buf, unsigned argc, va_list argv)
-{
- unsigned i = 0;
- buf = phpstr_init(buf);
-
- if (buf) {
- while (argc > i++) {
- phpstr_free_t f = va_arg(argv, phpstr_free_t);
- phpstr *current = va_arg(argv, phpstr *);
- phpstr_append(buf, current->data, current->used);
- FREE_PHPSTR(f, current);
- }
- }
-
- return buf;
-}
-
-PHPSTR_API phpstr *phpstr_merge_ex(phpstr *buf, unsigned argc, ...)
-{
- va_list argv;
- phpstr *ret;
-
- va_start(argv, argc);
- ret = phpstr_merge_va(buf, argc, argv);
- va_end(argv);
- return ret;
-}
-
-PHPSTR_API phpstr *phpstr_merge(unsigned argc, ...)
-{
- va_list argv;
- phpstr *ret;
-
- va_start(argv, argc);
- ret = phpstr_merge_va(NULL, argc, argv);
- va_end(argv);
- return ret;
-}
-
-PHPSTR_API phpstr *phpstr_fix(phpstr *buf)
-{
- if (PHPSTR_NOMEM == phpstr_resize_ex(buf, 1, 1, 0)) {
- return NULL;
- }
- buf->data[buf->used] = '\0';
- return buf;
-}
-
-PHPSTR_API int phpstr_cmp(phpstr *left, phpstr *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);
- }
-}
-
-PHPSTR_API void phpstr_reset(phpstr *buf)
-{
- buf->free += buf->used;
- buf->used = 0;
-}
-
-PHPSTR_API void phpstr_dtor(phpstr *buf)
-{
- if (buf->data) {
- pefree(buf->data, buf->pmem);
- buf->data = NULL;
- }
- buf->used = 0;
- buf->free = 0;
-}
-
-PHPSTR_API void phpstr_free(phpstr **buf)
-{
- if (*buf) {
- phpstr_dtor(*buf);
- pefree(*buf, (*buf)->pmem);
- *buf = NULL;
- }
-}
-
-PHPSTR_API size_t phpstr_chunk_buffer(phpstr **s, const char *data, size_t data_len, char **chunk, size_t chunk_size)
-{
- phpstr *storage;
-
- *chunk = NULL;
-
- if (!*s) {
- *s = phpstr_init_ex(NULL, chunk_size << 1, chunk_size ? PHPSTR_INIT_PREALLOC : 0);
- }
- storage = *s;
-
- if (data_len) {
- phpstr_append(storage, data, data_len);
- }
-
- if (!chunk_size) {
- phpstr_data(storage, chunk, &chunk_size);
- phpstr_free(s);
- return chunk_size;
- }
-
- if (storage->used >= (chunk_size = storage->size >> 1)) {
- *chunk = estrndup(storage->data, chunk_size);
- phpstr_cut(storage, 0, chunk_size);
- return chunk_size;
- }
-
- return 0;
-}
-
-PHPSTR_API void phpstr_chunked_output(phpstr **s, const char *data, size_t data_len, size_t chunk_len, phpstr_passthru_func passthru, void *opaque TSRMLS_DC)
-{
- char *chunk = NULL;
- size_t got = 0;
-
- while ((got = phpstr_chunk_buffer(s, data, data_len, &chunk, chunk_len))) {
- passthru(opaque, chunk, got TSRMLS_CC);
- if (!chunk_len) {
- /* we already got the last chunk,
- and freed all resources */
- break;
- }
- data = NULL;
- data_len = 0;
- STR_SET(chunk, NULL);
- }
- STR_FREE(chunk);
-}
-
-/*
- * 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