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Finish haggis_load_node function; Add *node related function

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prototypes to haggis.h;
This commit is contained in:
Nathan Fisher 2023-07-24 18:56:04 -04:00
parent 5b520b54e2
commit e97feb1e3d
2 changed files with 34 additions and 5 deletions
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5
include/haggis.h
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@ -118,4 +118,9 @@ struct haggis_node {
struct haggis_filetype *filetype;
};
struct haggis_node* haggis_create_node(char *file);
int haggis_extract_node(FILE *stram, struct haggis_node *node);
int haggis_load_node(FILE *stream, struct haggis_node *node);
int haggis_store_node(FILE *stream, struct haggis_node *node);
#endif // !HAGGIS_H

28
src/haggis.c
View file

@ -30,6 +30,7 @@
* other than his own.
*/
#include <stdint.h>
#if defined(__FreeBSD__) || defined(__DragonFly__)
#include <sha.h>
#include <sha256.h>
@ -374,7 +375,19 @@ int haggis_load_filetype(
return 0;
}
int haggis_store_node(FILE *stream, struct haggis_node *node) {
enum haggis_typeflag haggis_filetype_from_mode(union u16 mode) {
u8 mask = 07 << 5;
int filetype = (int)((mode.bytes[0] & mask) >> 5);
return filetype;
}
struct haggis_node* haggis_create_node(char *file) {
struct haggis_node *node = malloc(sizeof(struct haggis_node));
// todo
return node;
}
int haggis_extract_node(FILE *stram, struct haggis_node *node) {
// todo
return 0;
}
@ -382,8 +395,9 @@ int haggis_store_node(FILE *stream, struct haggis_node *node) {
int haggis_load_node(FILE *stream, struct haggis_node *node) {
int res;
union u16 mode;
enum haggis_typeflag flag;
enum haggis_typeflag tag;
mode.val = 0;
res = haggis_load_filename(stream, node->name);
if (res)
return res;
@ -399,6 +413,16 @@ int haggis_load_node(FILE *stream, struct haggis_node *node) {
res = load_u16(stream, mode);
if (res != 2)
return 2;
tag = haggis_filetype_from_mode(mode);
node->mode.bytes[0] = mode.bytes[0] & 037;
node->mode.bytes[1] = mode.bytes[1];
res = haggis_load_filetype(stream, tag, node->filetype);
if (res)
return res;
return 0;
}
int haggis_store_node(FILE *stream, struct haggis_node *node) {
// todo
return 0;
}