diff options
Diffstat (limited to 'libsframe')
| -rw-r--r-- | libsframe/sframe.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/libsframe/sframe.c b/libsframe/sframe.c index e41c95b..c912340 100644 --- a/libsframe/sframe.c +++ b/libsframe/sframe.c @@ -1502,6 +1502,39 @@ sframe_sort_funcdesc (sframe_encoder_ctx *encoder) return 0; } +/* Write the SFrame FRE start address from the in-memory FRE_START_ADDR + to the buffer CONTENTS (on-disk format), given the FRE_TYPE and + FRE_START_ADDR_SZ. */ + +static int +sframe_encoder_write_fre_start_addr (char *contents, + uint32_t fre_start_addr, + unsigned int fre_type, + size_t fre_start_addr_sz) +{ + int err = 0; + + if (fre_type == SFRAME_FRE_TYPE_ADDR1) + { + uint8_t uc = fre_start_addr; + memcpy (contents, &uc, fre_start_addr_sz); + } + else if (fre_type == SFRAME_FRE_TYPE_ADDR2) + { + uint16_t ust = fre_start_addr; + memcpy (contents, &ust, fre_start_addr_sz); + } + else if (fre_type == SFRAME_FRE_TYPE_ADDR4) + { + uint32_t uit = fre_start_addr; + memcpy (contents, &uit, fre_start_addr_sz); + } + else + return sframe_set_errno (&err, SFRAME_ERR_INVAL); + + return 0; +} + /* Write a frame row entry pointed to by FREP into the buffer CONTENTS. The size in bytes written out are updated in ESZ. @@ -1529,9 +1562,8 @@ sframe_encoder_write_fre (char *contents, sframe_frame_row_entry *frep, uint64_t bitmask = SFRAME_BITMASK_OF_SIZE (fre_start_addr_sz); sframe_assert ((uint64_t)frep->fre_start_addr <= bitmask); - memcpy (contents, - &frep->fre_start_addr, - fre_start_addr_sz); + sframe_encoder_write_fre_start_addr (contents, frep->fre_start_addr, + fre_type, fre_start_addr_sz); contents += fre_start_addr_sz; memcpy (contents, |