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@ -1,5 +1,6 @@ |
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/*
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/*
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* Copyright (c) 2009-2016 Petri Lehtinen <petri@digip.org> |
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* Copyright (c) 2009-2016 Petri Lehtinen <petri@digip.org> |
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* Copyright (c) 2015,2017 Con Kolivas <kernel@kolivas.org> |
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* |
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* |
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* Jansson is free software; you can redistribute it and/or modify |
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* Jansson is free software; you can redistribute it and/or modify |
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* it under the terms of the MIT license. See LICENSE for details. |
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* it under the terms of the MIT license. See LICENSE for details. |
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@ -11,10 +12,11 @@ |
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#include <stdlib.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include "jansson_private.h" |
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#include "jansson_private.h" |
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#include "strbuffer.h" |
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#include "strbuffer.h" |
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#define STRBUFFER_MIN_SIZE 16 |
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#define STRBUFFER_MIN_SIZE 4096 |
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#define STRBUFFER_FACTOR 2 |
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#define STRBUFFER_FACTOR 2 |
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#define STRBUFFER_SIZE_MAX ((size_t)-1) |
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#define STRBUFFER_SIZE_MAX ((size_t)-1) |
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@ -67,8 +69,10 @@ int strbuffer_append_byte(strbuffer_t *strbuff, char byte) |
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int strbuffer_append_bytes(strbuffer_t *strbuff, const char *data, size_t size) |
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int strbuffer_append_bytes(strbuffer_t *strbuff, const char *data, size_t size) |
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{ |
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{ |
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if(size >= strbuff->size - strbuff->length) |
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/* Leave room for EOL and NULL bytes */ |
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if(size + 2 > strbuff->size - strbuff->length) |
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{ |
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{ |
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int backoff = 1; |
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size_t new_size; |
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size_t new_size; |
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char *new_value; |
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char *new_value; |
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@ -81,13 +85,14 @@ int strbuffer_append_bytes(strbuffer_t *strbuff, const char *data, size_t size) |
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new_size = max(strbuff->size * STRBUFFER_FACTOR, |
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new_size = max(strbuff->size * STRBUFFER_FACTOR, |
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strbuff->length + size + 1); |
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strbuff->length + size + 1); |
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new_value = jsonp_malloc(new_size); |
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while (42) { |
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if(!new_value) |
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new_value = realloc(strbuff->value, new_size); |
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return -1; |
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if (new_value) |
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break; |
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memcpy(new_value, strbuff->value, strbuff->length); |
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usleep(backoff * 1000); |
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backoff <<= 1; |
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} |
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jsonp_free(strbuff->value); |
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strbuff->value = new_value; |
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strbuff->value = new_value; |
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strbuff->size = new_size; |
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strbuff->size = new_size; |
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} |
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} |
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