X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=src%2Fload.c;h=17ebcb79f10c040f61220b0f5e921f163e5b4273;hb=976fc2279f79d18fcfeb81359782b8eee328b0d4;hp=baf3183d3410d33475238acc8b5638ca231d5a9a;hpb=286823227c8c06e729dd939ec53b124c5c9afbc4;p=jansson.git diff --git a/src/load.c b/src/load.c index baf3183..17ebcb7 100644 --- a/src/load.c +++ b/src/load.c @@ -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; @@ -400,6 +401,12 @@ out: free(lex->value.string); } +#if 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; } @@ -810,10 +811,11 @@ static int string_eof(void *data) return (stream->data[stream->pos] == '\0'); } -json_t *json_loads(const char *string, json_error_t *error) +json_t *json_loads(const char *string, size_t flags, json_error_t *error) { lex_t lex; json_t *result; + (void)flags; /* unused */ string_data_t stream_data = { .data = string, @@ -839,10 +841,11 @@ out: return result; } -json_t *json_loadf(FILE *input, json_error_t *error) +json_t *json_loadf(FILE *input, size_t flags, json_error_t *error) { lex_t lex; json_t *result; + (void)flags; /* unused */ if(lex_init(&lex, (get_func)fgetc, (eof_func)feof, input)) return NULL; @@ -863,7 +866,7 @@ out: return result; } -json_t *json_load_file(const char *path, json_error_t *error) +json_t *json_load_file(const char *path, size_t flags, json_error_t *error) { json_t *result; FILE *fp; @@ -878,7 +881,7 @@ json_t *json_load_file(const char *path, json_error_t *error) return NULL; } - result = json_loadf(fp, error); + result = json_loadf(fp, flags, error); fclose(fp); return result;