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-rw-r--r--lib/Kconfig4
-rw-r--r--lib/Makefile2
-rw-r--r--lib/acpi/acpi_table.c34
-rw-r--r--lib/efi_loader/efi_bootmgr.c25
-rw-r--r--lib/efi_loader/efi_helper.c85
-rw-r--r--lib/efi_loader/efi_memory.c37
-rw-r--r--lib/efi_loader/elf_efi.ldsi6
-rw-r--r--lib/lmb.c6
-rw-r--r--lib/membuf.c (renamed from lib/membuff.c)73
9 files changed, 184 insertions, 88 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index a21b3378fa7..17954461114 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -445,7 +445,9 @@ config CIRCBUF
source "lib/dhry/Kconfig"
menu "Alternative crypto libraries"
-source lib/mbedtls/Kconfig
+
+source "lib/mbedtls/Kconfig"
+
endmenu
menu "Security support"
diff --git a/lib/Makefile b/lib/Makefile
index a30ce1595d5..41de2671cc6 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -125,7 +125,7 @@ obj-y += hang.o
obj-y += linux_compat.o
obj-y += linux_string.o
obj-$(CONFIG_$(PHASE_)LMB) += lmb.o
-obj-y += membuff.o
+obj-y += membuf.o
obj-$(CONFIG_REGEX) += slre.o
obj-y += string.o
obj-y += tables_csum.o
diff --git a/lib/acpi/acpi_table.c b/lib/acpi/acpi_table.c
index c0ed24984af..12215f5d90a 100644
--- a/lib/acpi/acpi_table.c
+++ b/lib/acpi/acpi_table.c
@@ -66,6 +66,7 @@ int acpi_create_dmar(struct acpi_dmar *dmar, enum dmar_flags flags)
dmar->host_address_width = info.address_width - 1;
dmar->flags = flags;
+ header->checksum = table_compute_checksum(dmar, header->length);
return 0;
}
@@ -255,8 +256,8 @@ int acpi_write_fadt(struct acpi_ctx *ctx, const struct acpi_writer *entry)
header->creator_revision = 1;
fadt->minor_revision = 2;
- fadt->x_firmware_ctrl = map_to_sysmem(ctx->facs);
- fadt->x_dsdt = map_to_sysmem(ctx->dsdt);
+ fadt->x_firmware_ctrl = nomap_to_sysmem(ctx->facs);
+ fadt->x_dsdt = nomap_to_sysmem(ctx->dsdt);
if (fadt->x_firmware_ctrl < 0x100000000ULL)
fadt->firmware_ctrl = fadt->x_firmware_ctrl;
@@ -615,6 +616,7 @@ int acpi_iort_add_named_component(struct acpi_ctx *ctx,
node->length += strlen(device_name) + 1;
comp = (struct acpi_iort_named_component *)node->node_data;
+ memset(comp, '\0', sizeof(struct acpi_iort_named_component));
comp->node_flags = node_flags;
comp->memory_properties = memory_properties;
@@ -635,6 +637,7 @@ int acpi_iort_add_rc(struct acpi_ctx *ctx,
const struct acpi_iort_id_mapping *map)
{
struct acpi_iort_id_mapping *mapping;
+ struct acpi_iort_node *output_node;
struct acpi_iort_node *node;
struct acpi_iort_rc *rc;
int offset;
@@ -646,12 +649,18 @@ int acpi_iort_add_rc(struct acpi_ctx *ctx,
node->type = ACPI_IORT_NODE_PCI_ROOT_COMPLEX;
node->revision = 2;
+ node->mapping_count = num_mappings;
+ if (num_mappings)
+ node->mapping_offset = sizeof(struct acpi_iort_node) +
+ sizeof(struct acpi_iort_rc);
node->length = sizeof(struct acpi_iort_node);
node->length += sizeof(struct acpi_iort_rc);
node->length += sizeof(struct acpi_iort_id_mapping) * num_mappings;
rc = (struct acpi_iort_rc *)node->node_data;
+ memset(rc, '\0', sizeof(struct acpi_iort_rc));
+
rc->mem_access_properties = mem_access_properties;
rc->ats_attributes = ats_attributes;
rc->pci_segment_number = pci_segment_number;
@@ -659,6 +668,13 @@ int acpi_iort_add_rc(struct acpi_ctx *ctx,
mapping = (struct acpi_iort_id_mapping *)(rc + 1);
for (int i = 0; i < num_mappings; i++) {
+ /* Validate input */
+ output_node = (struct acpi_iort_node *)ctx->tab_start + map[i].output_reference;
+ /* ID mappings can use SMMUs or ITS groups as output references */
+ assert(output_node && ((output_node->type == ACPI_IORT_NODE_ITS_GROUP) ||
+ (output_node->type == ACPI_IORT_NODE_SMMU) ||
+ (output_node->type == ACPI_IORT_NODE_SMMU_V3)));
+
memcpy(mapping, &map[i], sizeof(struct acpi_iort_id_mapping));
mapping++;
}
@@ -683,6 +699,7 @@ int acpi_iort_add_smmu_v3(struct acpi_ctx *ctx,
const struct acpi_iort_id_mapping *map)
{
struct acpi_iort_node *node;
+ struct acpi_iort_node *output_node;
struct acpi_iort_smmu_v3 *smmu;
struct acpi_iort_id_mapping *mapping;
int offset;
@@ -695,13 +712,16 @@ int acpi_iort_add_smmu_v3(struct acpi_ctx *ctx,
node->type = ACPI_IORT_NODE_SMMU_V3;
node->revision = 5;
node->mapping_count = num_mappings;
- node->mapping_offset = sizeof(struct acpi_iort_node) + sizeof(struct acpi_iort_smmu_v3);
+ if (num_mappings)
+ node->mapping_offset = sizeof(struct acpi_iort_node) +
+ sizeof(struct acpi_iort_smmu_v3);
node->length = sizeof(struct acpi_iort_node);
node->length += sizeof(struct acpi_iort_smmu_v3);
node->length += sizeof(struct acpi_iort_id_mapping) * num_mappings;
smmu = (struct acpi_iort_smmu_v3 *)node->node_data;
+ memset(smmu, '\0', sizeof(struct acpi_iort_smmu_v3));
smmu->base_address = base_address;
smmu->flags = flags;
@@ -716,6 +736,14 @@ int acpi_iort_add_smmu_v3(struct acpi_ctx *ctx,
mapping = (struct acpi_iort_id_mapping *)(smmu + 1);
for (int i = 0; i < num_mappings; i++) {
+ /* Validate input */
+ output_node = (struct acpi_iort_node *)ctx->tab_start + map[i].output_reference;
+ /*
+ * ID mappings of an SMMUv3 node can only have ITS group nodes
+ * as output references.
+ */
+ assert(output_node && output_node->type == ACPI_IORT_NODE_ITS_GROUP);
+
memcpy(mapping, &map[i], sizeof(struct acpi_iort_id_mapping));
mapping++;
}
diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c
index c6124c590d9..f9534ef85ed 100644
--- a/lib/efi_loader/efi_bootmgr.c
+++ b/lib/efi_loader/efi_bootmgr.c
@@ -18,6 +18,8 @@
#include <efi_loader.h>
#include <efi_variable.h>
#include <asm/unaligned.h>
+#include <linux/kernel.h>
+#include <linux/sizes.h>
static const struct efi_boot_services *bs;
static const struct efi_runtime_services *rs;
@@ -348,6 +350,7 @@ static efi_status_t prepare_loaded_image(u16 *label, ulong addr, ulong size,
struct efi_device_path **dp,
struct udevice **blk)
{
+ u64 pages;
efi_status_t ret;
struct udevice *ramdisk_blk;
@@ -362,13 +365,18 @@ static efi_status_t prepare_loaded_image(u16 *label, ulong addr, ulong size,
}
/*
- * TODO: expose the ramdisk to OS.
- * Need to pass the ramdisk information by the architecture-specific
- * methods such as 'pmem' device-tree node.
+ * Linux supports 'pmem' which allows OS installers to find, reclaim
+ * the mounted images and continue the installation since the contents
+ * of the pmem region are treated as local media.
+ *
+ * The memory regions used for it needs to be carved out of the EFI
+ * memory map.
*/
- ret = efi_add_memory_map(addr, size, EFI_RESERVED_MEMORY_TYPE);
+ pages = efi_size_in_pages(size + (addr & EFI_PAGE_MASK));
+ ret = efi_update_memory_map(addr, pages, EFI_CONVENTIONAL_MEMORY,
+ false, true);
if (ret != EFI_SUCCESS) {
- log_err("Memory reservation failed\n");
+ log_err("Failed to reserve memory\n");
goto err;
}
@@ -490,6 +498,13 @@ static efi_status_t try_load_from_uri_path(struct efi_device_path_uri *uridp,
ret = EFI_INVALID_PARAMETER;
goto err;
}
+ /*
+ * Depending on the kernel configuration, pmem memory areas must be
+ * page aligned or 2MiB aligned. PowerPC is an exception here and
+ * requires 16MiB alignment, but since we don't have EFI support for
+ * it, limit the alignment to 2MiB.
+ */
+ image_size = ALIGN(image_size, SZ_2M);
/*
* If the file extension is ".iso" or ".img", mount it and try to load
diff --git a/lib/efi_loader/efi_helper.c b/lib/efi_loader/efi_helper.c
index 04b2efc4a3b..8c32059edda 100644
--- a/lib/efi_loader/efi_helper.c
+++ b/lib/efi_loader/efi_helper.c
@@ -5,6 +5,7 @@
#define LOG_CATEGORY LOGC_EFI
+#include <blkmap.h>
#include <bootm.h>
#include <env.h>
#include <image.h>
@@ -454,22 +455,29 @@ efi_status_t efi_env_set_load_options(efi_handle_t handle,
*/
static efi_status_t copy_fdt(void **fdtp)
{
- unsigned long fdt_ram_start = -1L, fdt_pages;
efi_status_t ret = 0;
void *fdt, *new_fdt;
- u64 new_fdt_addr;
- uint fdt_size;
- int i;
+ static u64 new_fdt_addr;
+ static efi_uintn_t fdt_pages;
+ ulong fdt_size;
- for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
- u64 ram_start = gd->bd->bi_dram[i].start;
- u64 ram_size = gd->bd->bi_dram[i].size;
+ /*
+ * Remove the configuration table that might already be
+ * installed, ignoring EFI_NOT_FOUND if no device-tree
+ * is installed
+ */
+ efi_install_configuration_table(&efi_guid_fdt, NULL);
- if (!ram_size)
- continue;
+ if (new_fdt_addr) {
+ log_debug("%s: Found allocated memory at %#llx, with %#zx pages\n",
+ __func__, new_fdt_addr, fdt_pages);
- if (ram_start < fdt_ram_start)
- fdt_ram_start = ram_start;
+ ret = efi_free_pages(new_fdt_addr, fdt_pages);
+ if (ret != EFI_SUCCESS)
+ log_err("Unable to free up existing FDT memory region\n");
+
+ new_fdt_addr = 0;
+ fdt_pages = 0;
}
/*
@@ -485,15 +493,18 @@ static efi_status_t copy_fdt(void **fdtp)
&new_fdt_addr);
if (ret != EFI_SUCCESS) {
log_err("Failed to reserve space for FDT\n");
- goto done;
+ return ret;
}
+ log_debug("%s: Allocated memory at %#llx, with %#zx pages\n",
+ __func__, new_fdt_addr, fdt_pages);
+
new_fdt = (void *)(uintptr_t)new_fdt_addr;
memcpy(new_fdt, fdt, fdt_totalsize(fdt));
fdt_set_totalsize(new_fdt, fdt_size);
- *fdtp = (void *)(uintptr_t)new_fdt_addr;
-done:
- return ret;
+ *fdtp = new_fdt;
+
+ return EFI_SUCCESS;
}
/**
@@ -546,9 +557,6 @@ efi_status_t efi_install_fdt(void *fdt)
const char *fdt_opt;
uintptr_t fdt_addr;
- /* Look for device tree that is already installed */
- if (efi_get_configuration_table(&efi_guid_fdt))
- return EFI_SUCCESS;
/* Check if there is a hardware device tree */
fdt_opt = env_get("fdt_addr");
/* Use our own device tree as fallback */
@@ -680,3 +688,44 @@ out:
return ret;
}
+
+/**
+ * pmem_node_efi_memmap_setup() - Add pmem node and tweak EFI memmap
+ * @fdt: The devicetree to which pmem node is added
+ * @addr: start address of the pmem node
+ * @size: size of the memory of the pmem node
+ *
+ * The function adds the pmem node to the device-tree along with removing
+ * the corresponding region from the EFI memory map. Used primarily to
+ * pass the information of a RAM based ISO image to the OS.
+ *
+ * Return: 0 on success, -ve value on error
+ */
+static int pmem_node_efi_memmap_setup(void *fdt, u64 addr, u64 size)
+{
+ int ret;
+ u64 pages;
+ efi_status_t status;
+
+ ret = fdt_fixup_pmem_region(fdt, addr, size);
+ if (ret) {
+ log_err("Failed to setup pmem node for addr %#llx, size %#llx, err %d\n",
+ addr, size, ret);
+ return ret;
+ }
+
+ /* Remove the pmem region from the EFI memory map */
+ pages = efi_size_in_pages(size + (addr & EFI_PAGE_MASK));
+ status = efi_update_memory_map(addr, pages, EFI_CONVENTIONAL_MEMORY,
+ false, true);
+ if (status != EFI_SUCCESS)
+ return -1;
+
+ return 0;
+}
+
+int fdt_efi_pmem_setup(void *fdt)
+{
+ return blkmap_get_preserved_pmem_slices(pmem_node_efi_memmap_setup,
+ fdt);
+}
diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c
index 6d00b186250..0abb1f6159a 100644
--- a/lib/efi_loader/efi_memory.c
+++ b/lib/efi_loader/efi_memory.c
@@ -258,7 +258,7 @@ static s64 efi_mem_carve_out(struct efi_mem_list *map,
}
/**
- * efi_add_memory_map_pg() - add pages to the memory map
+ * efi_update_memory_map() - update the memory map by adding/removing pages
*
* @start: start address, must be a multiple of
* EFI_PAGE_SIZE
@@ -266,12 +266,11 @@ static s64 efi_mem_carve_out(struct efi_mem_list *map,
* @memory_type: type of memory added
* @overlap_conventional: region may only overlap free(conventional)
* memory
+ * @remove: remove memory map
* Return: status code
*/
-static
-efi_status_t efi_add_memory_map_pg(u64 start, u64 pages,
- int memory_type,
- bool overlap_conventional)
+efi_status_t efi_update_memory_map(u64 start, u64 pages, int memory_type,
+ bool overlap_conventional, bool remove)
{
struct efi_mem_list *lmem;
struct efi_mem_list *newlist;
@@ -279,9 +278,9 @@ efi_status_t efi_add_memory_map_pg(u64 start, u64 pages,
uint64_t carved_pages = 0;
struct efi_event *evt;
- EFI_PRINT("%s: 0x%llx 0x%llx %d %s\n", __func__,
+ EFI_PRINT("%s: 0x%llx 0x%llx %d %s %s\n", __func__,
start, pages, memory_type, overlap_conventional ?
- "yes" : "no");
+ "yes" : "no", remove ? "remove" : "add");
if (memory_type >= EFI_MAX_MEMORY_TYPE)
return EFI_INVALID_PARAMETER;
@@ -364,7 +363,10 @@ efi_status_t efi_add_memory_map_pg(u64 start, u64 pages,
}
/* Add our new map */
- list_add_tail(&newlist->link, &efi_mem);
+ if (!remove)
+ list_add_tail(&newlist->link, &efi_mem);
+ else
+ free(newlist);
/* And make sure memory is listed in descending order */
efi_mem_sort();
@@ -401,7 +403,7 @@ efi_status_t efi_add_memory_map(u64 start, u64 size, int memory_type)
pages = efi_size_in_pages(size + (start & EFI_PAGE_MASK));
start &= ~EFI_PAGE_MASK;
- return efi_add_memory_map_pg(start, pages, memory_type, false);
+ return efi_update_memory_map(start, pages, memory_type, false, false);
}
/**
@@ -491,8 +493,7 @@ efi_status_t efi_allocate_pages(enum efi_allocate_type type,
return EFI_NOT_FOUND;
addr = map_to_sysmem((void *)(uintptr_t)*memory);
- addr = (u64)lmb_alloc_addr(addr, len, flags);
- if (!addr)
+ if (lmb_alloc_addr(addr, len, flags))
return EFI_NOT_FOUND;
break;
default:
@@ -502,7 +503,7 @@ efi_status_t efi_allocate_pages(enum efi_allocate_type type,
efi_addr = (u64)(uintptr_t)map_sysmem(addr, 0);
/* Reserve that map in our memory maps */
- ret = efi_add_memory_map_pg(efi_addr, pages, memory_type, true);
+ ret = efi_update_memory_map(efi_addr, pages, memory_type, true, false);
if (ret != EFI_SUCCESS) {
/* Map would overlap, bail out */
lmb_free_flags(addr, (u64)pages << EFI_PAGE_SHIFT, flags);
@@ -823,8 +824,8 @@ static void add_u_boot_and_runtime(void)
uboot_stack_size) & ~EFI_PAGE_MASK;
uboot_pages = ((uintptr_t)map_sysmem(gd->ram_top - 1, 0) -
uboot_start + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;
- efi_add_memory_map_pg(uboot_start, uboot_pages, EFI_BOOT_SERVICES_CODE,
- false);
+ efi_update_memory_map(uboot_start, uboot_pages, EFI_BOOT_SERVICES_CODE,
+ false, false);
#if defined(__aarch64__)
/*
* Runtime Services must be 64KiB aligned according to the
@@ -842,8 +843,8 @@ static void add_u_boot_and_runtime(void)
runtime_end = (uintptr_t)__efi_runtime_stop;
runtime_end = (runtime_end + runtime_mask) & ~runtime_mask;
runtime_pages = (runtime_end - runtime_start) >> EFI_PAGE_SHIFT;
- efi_add_memory_map_pg(runtime_start, runtime_pages,
- EFI_RUNTIME_SERVICES_CODE, false);
+ efi_update_memory_map(runtime_start, runtime_pages,
+ EFI_RUNTIME_SERVICES_CODE, false, false);
}
int efi_memory_init(void)
@@ -878,11 +879,11 @@ int efi_map_update_notify(phys_addr_t addr, phys_size_t size,
pages = efi_size_in_pages(size + (efi_addr & EFI_PAGE_MASK));
efi_addr &= ~EFI_PAGE_MASK;
- status = efi_add_memory_map_pg(efi_addr, pages,
+ status = efi_update_memory_map(efi_addr, pages,
op == LMB_MAP_OP_RESERVE ?
EFI_BOOT_SERVICES_DATA :
EFI_CONVENTIONAL_MEMORY,
- false);
+ false, false);
if (status != EFI_SUCCESS) {
log_err("LMB Map notify failure %lu\n",
status & ~EFI_ERROR_MASK);
diff --git a/lib/efi_loader/elf_efi.ldsi b/lib/efi_loader/elf_efi.ldsi
index 190a88fb69e..4fa5ca43872 100644
--- a/lib/efi_loader/elf_efi.ldsi
+++ b/lib/efi_loader/elf_efi.ldsi
@@ -21,10 +21,10 @@ SECTIONS
*(.gnu.linkonce.t.*)
*(.srodata)
*(.rodata*)
- . = ALIGN(16);
- *(.dynamic);
- . = ALIGN(512);
}
+ . = ALIGN(16);
+ .dynamic : { *(.dynamic) }
+ . = ALIGN(512);
.rela.dyn : { *(.rela.dyn) }
.rela.plt : { *(.rela.plt) }
.rela.got : { *(.rela.got) }
diff --git a/lib/lmb.c b/lib/lmb.c
index 981ea1b2ca0..bb6f232f6bc 100644
--- a/lib/lmb.c
+++ b/lib/lmb.c
@@ -742,7 +742,7 @@ phys_addr_t lmb_alloc_base(phys_size_t size, ulong align, phys_addr_t max_addr,
return _lmb_alloc_base(size, align, max_addr, flags);
}
-phys_addr_t lmb_alloc_addr(phys_addr_t base, phys_size_t size, u32 flags)
+int lmb_alloc_addr(phys_addr_t base, phys_size_t size, u32 flags)
{
long rgn;
struct lmb_region *lmb_memory = lmb.available_mem.data;
@@ -759,11 +759,11 @@ phys_addr_t lmb_alloc_addr(phys_addr_t base, phys_size_t size, u32 flags)
base + size - 1, 1)) {
/* ok, reserve the memory */
if (!lmb_reserve(base, size, flags))
- return base;
+ return 0;
}
}
- return 0;
+ return -1;
}
/* Return number of bytes from a given address that are free */
diff --git a/lib/membuff.c b/lib/membuf.c
index b242a38ff1c..f38ff36cb0b 100644
--- a/lib/membuff.c
+++ b/lib/membuf.c
@@ -9,17 +9,17 @@
#include <errno.h>
#include <log.h>
#include <malloc.h>
-#include "membuff.h"
+#include "membuf.h"
-void membuff_purge(struct membuff *mb)
+void membuf_purge(struct membuf *mb)
{
/* set mb->head and mb->tail so the buffers look empty */
mb->head = mb->start;
mb->tail = mb->start;
}
-static int membuff_putrawflex(struct membuff *mb, int maxlen, bool update,
- char ***data, int *offsetp)
+static int membuf_putrawflex(struct membuf *mb, int maxlen, bool update,
+ char ***data, int *offsetp)
{
int len;
@@ -72,30 +72,30 @@ static int membuff_putrawflex(struct membuff *mb, int maxlen, bool update,
return len;
}
-int membuff_putraw(struct membuff *mb, int maxlen, bool update, char **data)
+int membuf_putraw(struct membuf *mb, int maxlen, bool update, char **data)
{
char **datap;
int offset;
int size;
- size = membuff_putrawflex(mb, maxlen, update, &datap, &offset);
+ size = membuf_putrawflex(mb, maxlen, update, &datap, &offset);
*data = *datap + offset;
return size;
}
-bool membuff_putbyte(struct membuff *mb, int ch)
+bool membuf_putbyte(struct membuf *mb, int ch)
{
char *data;
- if (membuff_putraw(mb, 1, true, &data) != 1)
+ if (membuf_putraw(mb, 1, true, &data) != 1)
return false;
*data = ch;
return true;
}
-int membuff_getraw(struct membuff *mb, int maxlen, bool update, char **data)
+int membuf_getraw(struct membuf *mb, int maxlen, bool update, char **data)
{
int len;
@@ -146,21 +146,21 @@ int membuff_getraw(struct membuff *mb, int maxlen, bool update, char **data)
return len;
}
-int membuff_getbyte(struct membuff *mb)
+int membuf_getbyte(struct membuf *mb)
{
char *data = 0;
- return membuff_getraw(mb, 1, true, &data) != 1 ? -1 : *(uint8_t *)data;
+ return membuf_getraw(mb, 1, true, &data) != 1 ? -1 : *(uint8_t *)data;
}
-int membuff_peekbyte(struct membuff *mb)
+int membuf_peekbyte(struct membuf *mb)
{
char *data = 0;
- return membuff_getraw(mb, 1, false, &data) != 1 ? -1 : *(uint8_t *)data;
+ return membuf_getraw(mb, 1, false, &data) != 1 ? -1 : *(uint8_t *)data;
}
-int membuff_get(struct membuff *mb, char *buff, int maxlen)
+int membuf_get(struct membuf *mb, char *buff, int maxlen)
{
char *data = 0, *buffptr = buff;
int len = 1, i;
@@ -171,7 +171,7 @@ int membuff_get(struct membuff *mb, char *buff, int maxlen)
*/
for (i = 0; len && i < 2; i++) {
/* get a pointer to the data available */
- len = membuff_getraw(mb, maxlen, true, &data);
+ len = membuf_getraw(mb, maxlen, true, &data);
/* copy it into the buffer */
memcpy(buffptr, data, len);
@@ -183,14 +183,14 @@ int membuff_get(struct membuff *mb, char *buff, int maxlen)
return buffptr - buff;
}
-int membuff_put(struct membuff *mb, const char *buff, int length)
+int membuf_put(struct membuf *mb, const char *buff, int length)
{
char *data;
int towrite, i, written;
for (i = written = 0; i < 2; i++) {
/* ask where some data can be written */
- towrite = membuff_putraw(mb, length, true, &data);
+ towrite = membuf_putraw(mb, length, true, &data);
/* and write it, updating the bytes length */
memcpy(data, buff, towrite);
@@ -203,14 +203,14 @@ int membuff_put(struct membuff *mb, const char *buff, int length)
return written;
}
-bool membuff_isempty(struct membuff *mb)
+bool membuf_isempty(struct membuf *mb)
{
return mb->head == mb->tail;
}
-int membuff_avail(struct membuff *mb)
+int membuf_avail(struct membuf *mb)
{
- struct membuff copy;
+ struct membuf copy;
int i, avail;
char *data = 0;
@@ -219,18 +219,18 @@ int membuff_avail(struct membuff *mb)
/* now read everything out of the copied buffer */
for (i = avail = 0; i < 2; i++)
- avail += membuff_getraw(&copy, -1, true, &data);
+ avail += membuf_getraw(&copy, -1, true, &data);
/* and return how much we read */
return avail;
}
-int membuff_size(struct membuff *mb)
+int membuf_size(struct membuf *mb)
{
return mb->end - mb->start;
}
-bool membuff_makecontig(struct membuff *mb)
+bool membuf_makecontig(struct membuf *mb)
{
int topsize, botsize;
@@ -281,13 +281,14 @@ bool membuff_makecontig(struct membuff *mb)
return true;
}
-int membuff_free(struct membuff *mb)
+int membuf_free(struct membuf *mb)
{
return mb->end == mb->start ? 0 :
- (mb->end - mb->start) - 1 - membuff_avail(mb);
+ (mb->end - mb->start) - 1 - membuf_avail(mb);
}
-int membuff_readline(struct membuff *mb, char *str, int maxlen, int minch, bool must_fit)
+int membuf_readline(struct membuf *mb, char *str, int maxlen, int minch,
+ bool must_fit)
{
int len; /* number of bytes read (!= string length) */
char *s, *end;
@@ -322,7 +323,7 @@ int membuff_readline(struct membuff *mb, char *str, int maxlen, int minch, bool
return len;
}
-int membuff_extend_by(struct membuff *mb, int by, int max)
+int membuf_extend_by(struct membuf *mb, int by, int max)
{
int oldhead, oldtail;
int size, orig;
@@ -358,32 +359,32 @@ int membuff_extend_by(struct membuff *mb, int by, int max)
return 0;
}
-void membuff_init(struct membuff *mb, char *buff, int size)
+void membuf_init(struct membuf *mb, char *buff, int size)
{
mb->start = buff;
mb->end = mb->start + size;
- membuff_purge(mb);
+ membuf_purge(mb);
}
-int membuff_new(struct membuff *mb, int size)
+int membuf_new(struct membuf *mb, int size)
{
mb->start = malloc(size);
if (!mb->start)
return -ENOMEM;
- membuff_init(mb, mb->start, size);
+ membuf_init(mb, mb->start, size);
return 0;
}
-void membuff_uninit(struct membuff *mb)
+void membuf_uninit(struct membuf *mb)
{
mb->end = NULL;
mb->start = NULL;
- membuff_purge(mb);
+ membuf_purge(mb);
}
-void membuff_dispose(struct membuff *mb)
+void membuf_dispose(struct membuf *mb)
{
- free(&mb->start);
- membuff_uninit(mb);
+ free(mb->start);
+ membuf_uninit(mb);
}
generated by cgit v1.2.3 (git 2.0.4) at 2025-08-04 13:13:44 +0000