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kiwi: add kiwi_read_startup_size()

This commit is contained in:
Dmitry Simonenko 2018-08-27 14:57:13 +03:00
parent b870c0e3a1
commit 87abaa2f79
1 changed files with 11 additions and 19 deletions
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30
third_party/kiwi/kiwi/io.h vendored
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@ -119,25 +119,6 @@ kiwi_write(char **pos, char *buf, int size)
*pos = *pos + size;
}
KIWI_API static inline int
kiwi_read_startup(uint32_t *len, char **data, uint32_t *size)
{
if (*size < sizeof(uint32_t))
return sizeof(uint32_t) - *size;
/* len */
uint32_t pos_size = *size;
char *pos = *data;
kiwi_read32(len, &pos, &pos_size);
uint32_t len_to_read;
len_to_read = *len - *size;
if (len_to_read > 0)
return len_to_read;
*data += *len;
*size -= *len;
*len -= sizeof(uint32_t);
return 0;
}
KIWI_API static inline int
kiwi_read(uint32_t *len, char **data, uint32_t *size)
{
@ -173,4 +154,15 @@ kiwi_read_size(char *data, uint32_t data_size)
return size;
}
KIWI_API static inline uint32_t
kiwi_read_startup_size(char *data, uint32_t data_size)
{
assert(data_size >= sizeof(uint32_t));
/* size */
uint32_t size;
kiwi_read32(&size, &data, &data_size);
size -= sizeof(uint32_t);
return size;
}
#endif /* KIWI_IO_H */