X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=src%2Fload.c;h=2a360ffa04ff308baa670f03e0341851d9e2eb77;hb=ffbab6fedd86ee1a0c7884d62fa7233ce9d745d2;hp=1ae62b3b8ff386cdde6ca1314f6a713fedd5f16d;hpb=17d913307e60d1c3e41d01d9a4be81892d610b3f;p=jansson.git diff --git a/src/load.c b/src/load.c index 1ae62b3..2a360ff 100644 --- a/src/load.c +++ b/src/load.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2009 Petri Lehtinen + * Copyright (c) 2009, 2010 Petri Lehtinen * * Jansson is free software; you can redistribute it and/or modify * it under the terms of the MIT license. See LICENSE for details. @@ -52,7 +52,7 @@ typedef struct { int line, column; union { char *string; - int integer; + json_int_t integer; double real; } value; } lex_t; @@ -113,7 +113,8 @@ static void error_set(json_error_t *error, const lex_t *lex, /*** lexical analyzer ***/ -void stream_init(stream_t *stream, get_func get, eof_func eof, void *data) +static void +stream_init(stream_t *stream, get_func get, eof_func eof, void *data) { stream->get = get; stream->eof = eof; @@ -148,7 +149,7 @@ static char stream_get(stream_t *stream, json_error_t *error) for(i = 1; i < count; i++) stream->buffer[i] = stream->get(stream->data); - if(!utf8_check_full(stream->buffer, count)) + if(!utf8_check_full(stream->buffer, count, NULL)) goto out; stream->stream_pos += count; @@ -221,10 +222,10 @@ static void lex_save_cached(lex_t *lex) } /* assumes that str points to 'u' plus at least 4 valid hex digits */ -static int decode_unicode_escape(const char *str) +static int32_t decode_unicode_escape(const char *str) { int i; - int value = 0; + int32_t value = 0; assert(str[0] == 'u'); @@ -325,7 +326,7 @@ static void lex_scan_string(lex_t *lex, json_error_t *error) if(*p == 'u') { char buffer[4]; int length; - int value; + int32_t value; value = decode_unicode_escape(p); p += 5; @@ -333,7 +334,7 @@ static void lex_scan_string(lex_t *lex, json_error_t *error) if(0xD800 <= value && value <= 0xDBFF) { /* surrogate pair */ if(*p == '\\' && *(p + 1) == 'u') { - int value2 = decode_unicode_escape(++p); + int32_t value2 = decode_unicode_escape(++p); p += 5; if(0xDC00 <= value2 && value2 <= 0xDFFF) { @@ -400,6 +401,12 @@ out: free(lex->value.string); } +#ifdef JSON_INTEGER_IS_LONG_LONG +#define json_strtoint strtoll +#else +#define json_strtoint strtol +#endif + static int lex_scan_number(lex_t *lex, char c, json_error_t *error) { const char *saved_text; @@ -429,25 +436,26 @@ static int lex_scan_number(lex_t *lex, char c, json_error_t *error) } if(c != '.' && c != 'E' && c != 'e') { - long value; + json_int_t value; lex_unget_unsave(lex, c); saved_text = strbuffer_value(&lex->saved_text); - value = strtol(saved_text, &end, 10); - assert(end == saved_text + lex->saved_text.length); - if((value == LONG_MAX && errno == ERANGE) || value > INT_MAX) { - error_set(error, lex, "too big integer"); - goto out; - } - else if((value == LONG_MIN && errno == ERANGE) || value < INT_MIN) { - error_set(error, lex, "too big negative integer"); + errno = 0; + value = json_strtoint(saved_text, &end, 10); + if(errno == ERANGE) { + if(value < 0) + error_set(error, lex, "too big negative integer"); + else + error_set(error, lex, "too big integer"); goto out; } + assert(end == saved_text + lex->saved_text.length); + lex->token = TOKEN_INTEGER; - lex->value.integer = (int)value; + lex->value.integer = value; return 0; } @@ -483,14 +491,7 @@ static int lex_scan_number(lex_t *lex, char c, json_error_t *error) value = strtod(saved_text, &end); assert(end == saved_text + lex->saved_text.length); - if(value == 0 && errno == ERANGE) { - error_set(error, lex, "real number underflow"); - goto out; - } - - /* Cannot test for +/-HUGE_VAL because the HUGE_VAL constant is - only defined in C99 mode. So let's trust in sole errno. */ - else if(errno == ERANGE) { + if(errno == ERANGE && value != 0) { error_set(error, lex, "real number overflow"); goto out; } @@ -771,7 +772,7 @@ static json_t *parse_value(lex_t *lex, json_error_t *error) return json; } -json_t *parse_json(lex_t *lex, json_error_t *error) +static json_t *parse_json(lex_t *lex, json_error_t *error) { error_init(error);