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index checks fix

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ProgramSnail 2024-11-14 14:14:33 +03:00
parent b198e11416
commit b52a7fcb29
3 changed files with 27 additions and 23 deletions
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20
byterun/include/utils.h
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@ -9,14 +9,14 @@
/* The unpacked representation of bytecode file */
typedef struct {
char *string_ptr; /* A pointer to the beginning of the string table */
int *public_ptr; /* A pointer to the beginning of publics table */
char *code_ptr; /* A pointer to the bytecode itself */
int *global_ptr; /* A pointer to the global area */
int code_size; /* The size (in bytes) of code */
int stringtab_size; /* The size (in bytes) of the string table */
int global_area_size; /* The size (in words) of global area */
int public_symbols_number; /* The number of public symbols */
char *string_ptr; /* A pointer to the beginning of the string table */
int *public_ptr; /* A pointer to the beginning of publics table */
char *code_ptr; /* A pointer to the bytecode itself */
int *global_ptr; /* A pointer to the global area */
int code_size; /* The size (in bytes) of code */
uint stringtab_size; /* The size (in bytes) of the string table */
uint global_area_size; /* The size (in words) of global area */
uint public_symbols_number; /* The number of public symbols */
char buffer[0];
} bytefile;
@ -36,7 +36,7 @@ static inline const char *get_string(const bytefile *f, size_t pos) {
/* Gets a name for a public symbol */
static inline const char *get_public_name(const bytefile *f, size_t i) {
if (i * 2 >= f->public_symbols_number) {
if (i >= f->public_symbols_number) {
failure("public number is out of range: %zu >= %i\n", i * 2,
f->public_symbols_number);
}
@ -45,7 +45,7 @@ static inline const char *get_public_name(const bytefile *f, size_t i) {
/* Gets an offset for a publie symbol */
static inline size_t get_public_offset(const bytefile *f, size_t i) {
if (i * 2 + 1 >= f->public_symbols_number) {
if (i + 1 >= f->public_symbols_number) {
failure("public number is out of range: %zu >= %i\n", i * 2 + 1,
f->public_symbols_number);
}