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Testing the ER field which announces AAIP.

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This commit is contained in:
Thomas Schmitt 2009-01-13 20:25:12 +01:00
parent 1267052c03
commit 19661b0c05
1 changed files with 81 additions and 8 deletions
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89
libisofs/rockridge.c
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@ -470,8 +470,9 @@ int rrip_add_SL(Ecma119Image *t, struct susp_info *susp, uint8_t **comp,
parameters t, susp, data may be NULL in this case
*/
static
int aaip_add_AA(Ecma119Image *t, struct susp_info *susp, uint8_t *data,
size_t num_data, size_t *sua_free, size_t *ce_len, int flag)
int aaip_add_AA(Ecma119Image *t, struct susp_info *susp,
uint8_t *data, size_t num_data,
size_t *sua_free, size_t *ce_len, int flag)
{
int ret, done = 0;
uint8_t *aapt;
@ -579,6 +580,40 @@ int rrip_add_ER(Ecma119Image *t, struct susp_info *susp)
return susp_append_ce(t, susp, ER);
}
static
int aaip_add_ER(Ecma119Image *t, struct susp_info *susp, char aa[2], int flag)
{
unsigned char *AA;
AA = malloc(160);
if (AA == NULL) {
return ISO_OUT_OF_MEM;
}
AA[0] = 'E';
AA[1] = 'R';
AA[2] = 160;
AA[3] = 1;
AA[4] = 9;
AA[5] = 81;
AA[6] = 62;
AA[7] = 1;
memcpy(AA + 8, "AAIP_0002", 9);
AA[17] = aa[0];
AA[18] = aa[1];
memcpy(AA + 19,
" PROVIDES VIA AAIP 0.2 SUPPORT FOR ARBITRARY FILE ATTRIBUTES"
" IN ISO 9660 IMAGES", 79);
memcpy(AA + 98,
"PLEASE CONTACT THE LIBBURNIA PROJECT VIA LIBBURNIA-PROJECT.ORG",
62);
/** This always goes to continuation area */
return susp_append_ce(t, susp, AA);
}
/**
* Add a CE System Use Entry to the given tree node. A "CE" is used to add
* a continuation area, where additional System Use Entry can be written.
@ -829,7 +864,7 @@ size_t rrip_calc_len(Ecma119Image *t, Ecma119Node *n, int type, size_t space,
/* let the expert decide where to add num_aapt */
sua_free = space - su_size;
aaip_add_AA(NULL, NULL, aapt, num_aapt, &sua_free, ce, 1);
aaip_add_AA(NULL, NULL, NULL, num_aapt, &sua_free, ce, 1);
su_size = space - sua_free;
#endif /* Libisofs_with_aaiP */
@ -845,15 +880,23 @@ size_t rrip_calc_len(Ecma119Image *t, Ecma119Node *n, int type, size_t space,
* ER needs a Continuation Area, thus we also need a CE entry
*/
su_size += 7 + 28; /* SP + CE */
*ce = 182; /* ER */
*ce = 182; /* ER of RRIP */
#ifdef Libisofs_with_aaiP
/* >>> account for the ER entry of AAIP */;
#ifdef Libisofs_with_aaip_dummY
#else /* Libisofs_with_aaip_dummY */
*ce += 160; /* ER of AAIP */
#endif /* ! Libisofs_with_aaip_dummY */
/* >>> if AAIP is enabled */
/* >>> *ce += 160; */; /* ER of AAIP */
#endif /* Libisofs_with_aaiP */
}
}
@ -915,6 +958,7 @@ int rrip_get_susp_fields(Ecma119Image *t, Ecma119Node *n, int type,
uint8_t *aapt;
size_t num_aapt= 0;
#endif
size_t aaip_er_len= 0;
if (t == NULL || n == NULL || info == NULL) {
return ISO_NULL_POINTER;
@ -1289,7 +1333,24 @@ int rrip_get_susp_fields(Ecma119Image *t, Ecma119Node *n, int type,
* ER needs a Continuation Area, thus we also need a CE entry.
* Note that SP entry was already added above
*/
ret = susp_add_CE(t, 182, info); /* 182 is ER length */
#ifdef Libisofs_with_aaiP
#ifdef Libisofs_with_aaip_dummY
aaip_er_len = 160;
#else /* Libisofs_with_aaip_dummY */
/* >>> if AAIP is enabled */
/* aaip_er_len = 160; */
#endif /* ! Libisofs_with_aaip_dummY */
#endif /* Libisofs_with_aaiP */
ret = susp_add_CE(t, 182 + aaip_er_len, info);
/* 182 is RRIP-ER length */
if (ret < 0) {
goto add_susp_cleanup;
}
@ -1300,7 +1361,19 @@ int rrip_get_susp_fields(Ecma119Image *t, Ecma119Node *n, int type,
#ifdef Libisofs_with_aaiP
/* >>> write the ER entry of AAIP : aaip_add_ER() */;
#ifdef Libisofs_with_aaip_dummY
ret = aaip_add_ER(t, info, "AA", 0);
if (ret < 0) {
goto add_susp_cleanup;
}
#else /* Libisofs_with_aaip_dummY */
/* >>> if AAIP is enabled */
/* >>> write the ER entry of AAIP : aaip_add_ER() */;
#endif /* ! Libisofs_with_aaip_dummY */
#endif /* Libisofs_with_aaiP */