From 93ab9ce8885cd45f5f9beba7d7e55536655eb5bf Mon Sep 17 00:00:00 2001 From: Zachary T Welch Date: Thu, 22 Oct 2009 22:33:12 -0700 Subject: Improve nand.c command argument parsing. --- src/flash/nand.c | 125 +++++++++++++++++++++++-------------------------------- 1 file changed, 53 insertions(+), 72 deletions(-) (limited to 'src') diff --git a/src/flash/nand.c b/src/flash/nand.c index d97c817d..7fb7c99e 100644 --- a/src/flash/nand.c +++ b/src/flash/nand.c @@ -1107,12 +1107,16 @@ int handle_nand_list_command(struct command_context_s *cmd_ctx, char *cmd, char static int handle_nand_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { - nand_device_t *p; int i = 0; int j = 0; int first = -1; int last = -1; + nand_device_t *p; + int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p); + if (ERROR_OK != retval) + return retval; + switch (argc) { default: return ERROR_COMMAND_SYNTAX_ERROR; @@ -1121,15 +1125,16 @@ static int handle_nand_info_command(struct command_context_s *cmd_ctx, char *cmd last = INT32_MAX; break; case 2: - first = last = strtoul(args[1], NULL, 0); + COMMAND_PARSE_NUMBER(int, args[1], i); + first = last = i; + i = 0; break; case 3: - first = strtoul(args[1], NULL, 0); - last = strtoul(args[2], NULL, 0); + COMMAND_PARSE_NUMBER(int, args[1], first); + COMMAND_PARSE_NUMBER(int, args[2], last); break; } - p = get_nand_device_by_num(strtoul(args[0], NULL, 0)); if (p) { if (p->device) @@ -1181,15 +1186,16 @@ static int handle_nand_info_command(struct command_context_s *cmd_ctx, char *cmd static int handle_nand_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { - nand_device_t *p; - int retval; - if (argc != 1) { return ERROR_COMMAND_SYNTAX_ERROR; } - p = get_nand_device_by_num(strtoul(args[0], NULL, 0)); + nand_device_t *p; + int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p); + if (ERROR_OK != retval) + return retval; + if (p) { if ((retval = nand_probe(p)) == ERROR_OK) @@ -1205,29 +1211,25 @@ static int handle_nand_probe_command(struct command_context_s *cmd_ctx, char *cm command_print(cmd_ctx, "unknown error when probing NAND flash device"); } } - else - { - command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]); - } return ERROR_OK; } static int handle_nand_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { - nand_device_t *p; - int retval; - if (argc != 1 && argc != 3) { return ERROR_COMMAND_SYNTAX_ERROR; } - p = get_nand_device_by_num(strtoul(args[0], NULL, 0)); + nand_device_t *p; + int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p); + if (ERROR_OK != retval) + return retval; + if (p) { - char *cp; unsigned long offset; unsigned long length; @@ -1235,16 +1237,12 @@ static int handle_nand_erase_command(struct command_context_s *cmd_ctx, char *cm if (argc == 3) { unsigned long size = p->erase_size * p->num_blocks; - offset = strtoul(args[1], &cp, 0); - if (*cp || (offset == ULONG_MAX) - || (offset % p->erase_size) != 0 - || offset >= size) + COMMAND_PARSE_NUMBER(ulong, args[1], offset); + if ((offset % p->erase_size) != 0 || offset >= size) return ERROR_INVALID_ARGUMENTS; - length = strtoul(args[2], &cp, 0); - if (*cp || (length == ULONG_MAX) - || (length == 0) - || (length % p->erase_size) != 0 + COMMAND_PARSE_NUMBER(ulong, args[2], length); + if ((length == 0) || (length % p->erase_size) != 0 || (length + offset) > size) return ERROR_INVALID_ARGUMENTS; @@ -1272,18 +1270,12 @@ static int handle_nand_erase_command(struct command_context_s *cmd_ctx, char *cm command_print(cmd_ctx, "unknown error when erasing NAND flash device"); } } - else - { - command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]); - } return ERROR_OK; } int handle_nand_check_bad_blocks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { - nand_device_t *p; - int retval; int first = -1; int last = -1; @@ -1293,31 +1285,25 @@ int handle_nand_check_bad_blocks_command(struct command_context_s *cmd_ctx, char } - p = get_nand_device_by_num(strtoul(args[0], NULL, 0)); - if (!p) { - command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", - args[0]); - return ERROR_INVALID_ARGUMENTS; - } + nand_device_t *p; + int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p); + if (ERROR_OK != retval) + return retval; if (argc == 3) { - char *cp; unsigned long offset; unsigned long length; - offset = strtoul(args[1], &cp, 0); - if (*cp || offset == ULONG_MAX || offset % p->erase_size) - { + COMMAND_PARSE_NUMBER(ulong, args[1], offset); + if (offset % p->erase_size) return ERROR_INVALID_ARGUMENTS; - } offset /= p->erase_size; - length = strtoul(args[2], &cp, 0); - if (*cp || length == ULONG_MAX || length % p->erase_size) - { + COMMAND_PARSE_NUMBER(ulong, args[2], length); + if (length % p->erase_size) return ERROR_INVALID_ARGUMENTS; - } + length -= 1; length /= p->erase_size; @@ -1357,15 +1343,16 @@ static int handle_nand_write_command(struct command_context_s *cmd_ctx, char *cm duration_t duration; char *duration_text; - nand_device_t *p; - if (argc < 3) { return ERROR_COMMAND_SYNTAX_ERROR; - } - p = get_nand_device_by_num(strtoul(args[0], NULL, 0)); + nand_device_t *p; + int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p); + if (ERROR_OK != retval) + return retval; + if (p) { uint8_t *page = NULL; @@ -1374,7 +1361,7 @@ static int handle_nand_write_command(struct command_context_s *cmd_ctx, char *cm uint32_t oob_size = 0; const int *eccpos = NULL; - offset = strtoul(args[2], NULL, 0); + COMMAND_PARSE_NUMBER(u32, args[2], offset); if (argc > 3) { @@ -1509,24 +1496,22 @@ static int handle_nand_write_command(struct command_context_s *cmd_ctx, char *cm free(duration_text); duration_text = NULL; } - else - { - command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]); - } return ERROR_OK; } static int handle_nand_dump_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { - nand_device_t *p; - if (argc < 4) { return ERROR_COMMAND_SYNTAX_ERROR; } - p = get_nand_device_by_num(strtoul(args[0], NULL, 0)); + nand_device_t *p; + int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p); + if (ERROR_OK != retval) + return retval; + if (p) { if (p->device) @@ -1540,8 +1525,10 @@ static int handle_nand_dump_command(struct command_context_s *cmd_ctx, char *cmd uint32_t page_size = 0; uint8_t *oob = NULL; uint32_t oob_size = 0; - uint32_t address = strtoul(args[2], NULL, 0); - uint32_t size = strtoul(args[3], NULL, 0); + uint32_t address; + COMMAND_PARSE_NUMBER(u32, args[2], address); + uint32_t size; + COMMAND_PARSE_NUMBER(u32, args[3], size); uint32_t bytes_done = 0; enum oob_formats oob_format = NAND_OOB_NONE; @@ -1631,24 +1618,22 @@ static int handle_nand_dump_command(struct command_context_s *cmd_ctx, char *cmd command_print(cmd_ctx, "#%s: not probed", args[0]); } } - else - { - command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]); - } return ERROR_OK; } static int handle_nand_raw_access_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { - nand_device_t *p; - if ((argc < 1) || (argc > 2)) { return ERROR_COMMAND_SYNTAX_ERROR; } - p = get_nand_device_by_num(strtoul(args[0], NULL, 0)); + nand_device_t *p; + int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p); + if (ERROR_OK != retval) + return retval; + if (p) { if (p->device) @@ -1676,10 +1661,6 @@ static int handle_nand_raw_access_command(struct command_context_s *cmd_ctx, cha command_print(cmd_ctx, "#%s: not probed", args[0]); } } - else - { - command_print(cmd_ctx, "NAND flash device '#%s' is out of bounds", args[0]); - } return ERROR_OK; } -- cgit v1.2.3