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devfs: use iovec_iterator internally

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Matheus
2024-09-21 13:53:39 -03:00
parent 01c883917f
commit e8c2f1fbf3
14 changed files with 149 additions and 97 deletions
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kernel-src/io/keyboard.c
+3 -4
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@@ -154,7 +154,7 @@ static keyboard_t* getkb(int kb) {
return kbp;
}
static int read(int minor, void *buffer, size_t size, uintmax_t offset, int flags, size_t *readc) {
static int read(int minor, iovec_iterator_t *iovec_iterator, size_t size, uintmax_t offset, int flags, size_t *readc) {
keyboard_t *kb = getkb(minor);
if (kb == NULL)
return ENODEV;
@@ -165,7 +165,6 @@ static int read(int minor, void *buffer, size_t size, uintmax_t offset, int flag
return 0;
for (int i = 0; i < count; ++i) {
kbpacket_t *buff = (kbpacket_t *)((uintptr_t)buffer + i * sizeof(kbpacket_t));
kbpacket_t packet;
bool ok = keyboard_get(kb, &packet);
@@ -175,7 +174,7 @@ static int read(int minor, void *buffer, size_t size, uintmax_t offset, int flag
if (error)
return error;
error = USERCOPY_POSSIBLY_TO_USER(buff, &packet, sizeof(kbpacket_t));
error = iovec_iterator_copy_from_buffer(iovec_iterator, &packet, sizeof(kbpacket_t));
*readc += error ? 0 : sizeof(kbpacket_t);
return error;
@@ -184,7 +183,7 @@ static int read(int minor, void *buffer, size_t size, uintmax_t offset, int flag
break;
}
int error = USERCOPY_POSSIBLY_TO_USER(buff, &packet, sizeof(kbpacket_t));
int error = iovec_iterator_copy_from_buffer(iovec_iterator, &packet, sizeof(kbpacket_t));
if (error)
return error;