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igzip: add zlib header init function

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Add isal_zlib_hdr_init() function to initialize
the isal_zlib_header structure to all 0.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
This commit is contained in:
Pablo de Lara 2023-12-20 08:31:05 +00:00 committed by Tomasz Kantecki
parent 6ef2abe80e
commit 29d99fce26
5 changed files with 25 additions and 3 deletions
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8
igzip/igzip.c
View File

@ -1023,6 +1023,14 @@ void isal_gzip_header_init(struct isal_gzip_header *gz_hdr)
gz_hdr->flags = 0;
}
void isal_zlib_header_init(struct isal_zlib_header *z_hdr)
{
z_hdr->info = 0;
z_hdr->level = 0;
z_hdr->dict_id = 0;
z_hdr->dict_flag = 0;
}
uint32_t isal_write_gzip_header(struct isal_zstream *stream, struct isal_gzip_header *gz_hdr)
{
uint32_t flags = 0, hcrc, hdr_size = GZIP_HDR_BASE;

10
igzip/igzip_inflate.c
View File

@ -2195,12 +2195,15 @@ int isal_inflate_stateless(struct inflate_state *state)
if (state->crc_flag == IGZIP_GZIP) {
struct isal_gzip_header gz_hdr;
isal_gzip_header_init(&gz_hdr);
ret = isal_read_gzip_header(state, &gz_hdr);
if (ret)
return ret;
} else if (state->crc_flag == IGZIP_ZLIB) {
struct isal_zlib_header z_hdr = { 0 };
struct isal_zlib_header z_hdr;
isal_zlib_header_init(&z_hdr);
ret = isal_read_zlib_header(state, &z_hdr);
if (ret)
return ret;
@ -2268,6 +2271,7 @@ int isal_inflate(struct inflate_state *state)
if (!state->wrapper_flag && state->crc_flag == IGZIP_GZIP) {
struct isal_gzip_header gz_hdr;
isal_gzip_header_init(&gz_hdr);
ret = isal_read_gzip_header(state, &gz_hdr);
if (ret < 0)
@ -2275,7 +2279,9 @@ int isal_inflate(struct inflate_state *state)
else if (ret > 0)
return ISAL_DECOMP_OK;
} else if (!state->wrapper_flag && state->crc_flag == IGZIP_ZLIB) {
struct isal_zlib_header z_hdr = { 0 };
struct isal_zlib_header z_hdr;
isal_zlib_header_init(&z_hdr);
ret = isal_read_zlib_header(state, &z_hdr);
if (ret < 0)
return ret;

2
igzip/igzip_wrapper_hdr_test.c
View File

@ -856,7 +856,7 @@ int main(int argc, char *argv[])
printf("zlib wrapper test: ");
for (i = 0; i < RANDOMS; i++) {
memset(&z_hdr_orig, 0, sizeof(z_hdr_orig));
isal_zlib_header_init(&z_hdr_orig);
gen_rand_zlib_header(&z_hdr_orig);

7
include/igzip_lib.h
View File

@ -604,6 +604,13 @@ void isal_deflate_reset(struct isal_zstream *stream);
*/
void isal_gzip_header_init(struct isal_gzip_header *gz_hdr);
/**
* @brief Set zlib header default values
*
* @param z_hdr: zlib header to initialize.
*/
void isal_zlib_header_init(struct isal_zlib_header *z_hdr);
/**
* @brief Write gzip header to output stream
*

1
isa-l.def
View File

@ -121,3 +121,4 @@ crc64_rocksoft_refl_base @116
crc64_rocksoft_norm @117
crc64_rocksoft_refl @118
ec_init_tables_base @119
isal_zlib_header_init @120