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firmware-utils: mkfwimage: fix more errors reported by gcc-6/7/9 

src/mkfwimage.c:276:8: error: format '%lld' expects argument of type 'long long int', but argument 4 has type '__off_t' {aka 'const long int'} [-Werror=format=]
src/fw.h:71:36: error: format '%llu' expects argument of type 'long long unsigned int', but argument 6 has type '__off_t' {aka 'long int'} [-Werror=format=]
    inlined from 'main' at src/mkfwimage.c:543:12:
/string_fortified.h:106:10: error: '__builtin_strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Werror=stringop-truncation]
    inlined from 'write_part' at src/mkfwimage.c:235:2,
string_fortified.h:106:10: error: '__builtin_strncpy' specified bound 16 equals destination size [-Werror=stringop-truncation]
    inlined from 'main' at src/mkfwimage.c:477:5:
string_fortified.h:106:10: error: '__builtin_strncpy' specified bound 256 equals destination size [-Werror=stringop-truncation]
    inlined from 'main' at src/mkfwimage.c:496:5:
string_fortified.h:106:10: error: '__builtin_strncpy' specified bound 4096 equals destination size [-Werror=stringop-truncation]
    inlined from 'main' at src/mkfwimage.c:481:5:
string_fortified.h:106:10: error: '__builtin_strncpy' specified bound 4096 equals destination size [-Werror=stringop-truncation]
    inlined from 'main' at src/mkfwimage.c:485:5:
string_fortified.h:106:10: error: '__builtin_strncpy' specified bound 16 equals destination size [-Werror=stringop-truncation]

Runtested on ath79 and UBNT Bullet M XW.

Signed-off-by: Petr Štetiar <ynezz@true.cz>
master
Petr Štetiar 2019-07-19 21:34:16 +02:00
parent 90b7dbf7d8
commit 04cb651376
3 changed files with 15 additions and 13 deletions
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2
tools/firmware-utils/Makefile
View File

@ -38,7 +38,7 @@ define Host/Compile
$(call cc,mkzynfw) $(call cc,mkzynfw)
$(call cc,lzma2eva,-lz) $(call cc,lzma2eva,-lz)
$(call cc,mkcasfw) $(call cc,mkcasfw)
$(call cc,mkfwimage,-lz -Wall -Werror -Wextra) $(call cc,mkfwimage,-lz -Wall -Werror -Wextra -D_FILE_OFFSET_BITS=64)
$(call cc,mkfwimage2,-lz) $(call cc,mkfwimage2,-lz)
$(call cc,imagetag imagetag_cmdline cyg_crc32) $(call cc,imagetag imagetag_cmdline cyg_crc32)
$(call cc,add_header) $(call cc,add_header)

3
tools/firmware-utils/src/fw.h
View File

@ -27,6 +27,7 @@
#define MAGIC_ENDS "ENDS" #define MAGIC_ENDS "ENDS"
#define MAGIC_LENGTH 4 #define MAGIC_LENGTH 4
#define PART_NAME_LENGTH 16
typedef struct header { typedef struct header {
char magic[MAGIC_LENGTH]; char magic[MAGIC_LENGTH];
@ -37,7 +38,7 @@ typedef struct header {
typedef struct part { typedef struct part {
char magic[MAGIC_LENGTH]; char magic[MAGIC_LENGTH];
char name[16]; char name[PART_NAME_LENGTH];
char pad[12]; char pad[12];
u_int32_t memaddr; u_int32_t memaddr;
u_int32_t index; u_int32_t index;

23
tools/firmware-utils/src/mkfwimage.c
View File

@ -230,9 +230,10 @@ static int write_part(void* mem, part_data_t* d)
memcpy(mem + sizeof(part_t), addr, d->stats.st_size); memcpy(mem + sizeof(part_t), addr, d->stats.st_size);
munmap(addr, d->stats.st_size); munmap(addr, d->stats.st_size);
memset(p->name, 0, sizeof(p->name)); memset(p->name, 0, PART_NAME_LENGTH);
strncpy(p->magic, MAGIC_PART, MAGIC_LENGTH); memcpy(p->magic, MAGIC_PART, MAGIC_LENGTH);
strncpy(p->name, d->partition_name, sizeof(p->name)); memcpy(p->name, d->partition_name, PART_NAME_LENGTH);
p->index = htonl(d->partition_index); p->index = htonl(d->partition_index);
p->data_size = htonl(d->stats.st_size); p->data_size = htonl(d->stats.st_size);
p->part_size = htonl(d->partition_length); p->part_size = htonl(d->partition_length);
@ -273,7 +274,7 @@ static void print_image_info(const image_info_t* im)
for (i = 0; i < im->part_count; ++i) for (i = 0; i < im->part_count; ++i)
{ {
const part_data_t* d = &im->parts[i]; const part_data_t* d = &im->parts[i];
INFO(" %10s: %8lld bytes (free: %8lld)\n", INFO(" %10s: %8ld bytes (free: %8ld)\n",
d->partition_name, d->partition_name,
d->stats.st_size, d->stats.st_size,
d->partition_length - d->stats.st_size); d->partition_length - d->stats.st_size);
@ -372,7 +373,7 @@ static int validate_image_layout(image_info_t* im)
return -3; return -3;
} }
if (d->stats.st_size > d->partition_length) { if (d->stats.st_size > d->partition_length) {
ERROR("File '%s' too big (%d) - max size: 0x%08X (exceeds %llu bytes)\n", ERROR("File '%s' too big (%d) - max size: 0x%08X (exceeds %lu bytes)\n",
d->filename, i, d->partition_length, d->filename, i, d->partition_length,
d->stats.st_size - d->partition_length); d->stats.st_size - d->partition_length);
return -4; return -4;
@ -474,30 +475,30 @@ int main(int argc, char* argv[])
switch (o) { switch (o) {
case 'v': case 'v':
if (optarg) if (optarg)
strncpy(im.version, optarg, sizeof(im.version)); strncpy(im.version, optarg, sizeof(im.version) - 1);
break; break;
case 'o': case 'o':
if (optarg) if (optarg)
strncpy(im.outputfile, optarg, sizeof(im.outputfile)); strncpy(im.outputfile, optarg, sizeof(im.outputfile) - 1);
break; break;
case 'm': case 'm':
if (optarg) if (optarg)
strncpy(im.magic, optarg, sizeof(im.magic)); strncpy(im.magic, optarg, sizeof(im.magic) - 1);
break; break;
case 'h': case 'h':
usage(argv[0]); usage(argv[0]);
return -1; return -1;
case 'k': case 'k':
if (optarg) if (optarg)
strncpy(kernelfile, optarg, sizeof(kernelfile)); strncpy(kernelfile, optarg, sizeof(kernelfile) - 1);
break; break;
case 'r': case 'r':
if (optarg) if (optarg)
strncpy(rootfsfile, optarg, sizeof(rootfsfile)); strncpy(rootfsfile, optarg, sizeof(rootfsfile) - 1);
break; break;
case 'B': case 'B':
if (optarg) if (optarg)
strncpy(board_name, optarg, sizeof(board_name)); strncpy(board_name, optarg, sizeof(board_name) - 1);
break; break;
} }
} }