*/
#include "cmd_fat.h"
+#include <ctype.h>
#include "ff.h"
#include "z80-if.h"
/* TODO: use memory size test function (detect_ramsize() in cmd_loadihex.c) */
/* TODO: detect_ramsize() should be moved to z80-if.c */
#define MAX_MEMORY CONFIG_SYS_RAMSIZE_MAX
-#define BUFFER_SIZE 512
+#define BUFFER_SIZE FF_MAX_SS
+#define PATH_MAX CONFIG_SYS_MAX_PATHLEN
+
/*
* Multible (fat) partitions per physical drive are not supported,
FATFS FatFs0;
FATFS FatFs1;
+command_ret_t command_ret;
+char *cmdname;
+
+
void setup_fatfs(void)
{
f_mount(&FatFs0, "0:", 0);
}
+static const FLASH char * const FLASH rc_strings[] = {
+ FSTR("OK"),
+ FSTR("disk error"),
+ FSTR("internal error"),
+ FSTR("not ready"),
+ FSTR("no file"),
+ FSTR("no path"),
+ FSTR("invalid name"),
+ FSTR("denied"),
+ FSTR("exist"),
+ FSTR("invalid object"),
+ FSTR("write protected"),
+ FSTR("invalid drive"),
+ FSTR("not enabled"),
+ FSTR("no file system"),
+ FSTR("mkfs aborted"),
+ FSTR("timeout"),
+ FSTR("locked"),
+ FSTR("not enough core"),
+ FSTR("too many open files"),
+ FSTR("invalid parameter")
+ };
+
static const FLASH char * const FLASH rc_names[] = {
FSTR("OK"),
FSTR("DISK_ERR"),
}
+const FLASH char * rctostr(FRESULT rc)
+{
+ return rc < ARRAY_SIZE(rc_strings) ? rc_strings[rc] : PSTR(" Unknown Error");
+}
+
static void swirl(void)
{
static const FLASH char swirlchar[] = { '-','\\','|','/' };
}
}
+typedef struct {
+ char *p_end; /* pointer to NULL at end of path */
+ char p_path[PATH_MAX + 1]; /* pointer to the start of a path */
+} PATH_T;
+
+
+static char *path_skip_heading(char *p)
+{
+ if (isdigit(p[0]) && p[1] == ':') {
+ p += 2;
+ } else {
+ char *q = p;
+ if (*q++ == '.') {
+ if (*q == '.')
+ ++q;
+ if (*q == '\0' || *q == '/')
+ p = q;
+ }
+ return p;
+ }
+ if (*p == '/')
+ ++p;
+
+ return p;
+}
+
+static void strip_trailing_slash(PATH_T *p)
+{
+ char *beg = path_skip_heading(p->p_path);
+ char *end = p->p_end;
+
+ while (end > beg && end[-1] == '/')
+ *--end = '\0';
+
+ p->p_end =end;
+}
+
+/*
+ * Move specified string into path. Convert "" to "." to handle BSD
+ * semantics for a null path. Strip trailing slashes.
+ */
+static PATH_T *path_setup(char *string)
+{
+ if (strlen(string) > PATH_MAX) {
+ cmd_error(PSTR("'%s': name too long"), string);
+ return NULL;
+ }
+
+ PATH_T *p = (PATH_T *) malloc(sizeof *p);
+ if (p == NULL) {
+ cmd_error(PSTR("'%s': Out of Memory"), string);
+ return NULL;
+ }
+
+ strcpy(p->p_path, string);
+ size_t len = strlen(string);
+ if (len > 1 && p->p_path[1] == ':' && p->p_path[2] != '/') {
+ if (len < PATH_MAX) {
+ memmove(p->p_path+3, p->p_path+2, len-1);
+ p->p_path[2] = '/';
+ len += 1;
+ } else {
+ cmd_error(PSTR("'%s': Out of Memory"), string);
+ return NULL;
+ }
+ }
+
+ p->p_end = p->p_path + len;
+ if (p->p_path == p->p_end) {
+ *p->p_end++ = '.';
+ *p->p_end = '\0';
+ }
+
+ strip_trailing_slash(p);
+ return p;
+}
+
/*
* pwd - Print current directory of the current drive.
*
FRESULT res;
char *buf;
- buf = (char *) malloc(BUFFER_SIZE);
+ buf = (char *) malloc(PATH_MAX);
if (buf == NULL) {
printf_P(PSTR("pwd: Out of Memory!\n"));
- free(buf);
return CMD_RET_FAILURE;
}
+ *buf = '\0';
+ res = f_getcwd(buf, PATH_MAX); /* Get current directory path */
- res = f_getcwd(buf, BUFFER_SIZE); /* Get current directory path */
+ debug_fa("### f_getcwd(): buf: '%s', res: %d\n", buf, res);
- if (!res) {
+ if (res == FR_OK) {
puts(buf);
}
free(buf);
- if (res) {
+ if (res != FR_OK) {
put_rc(res);
return CMD_RET_FAILURE;
}
command_ret_t do_cd(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[])
{
char *arg;
- FRESULT res = 0;
+ FRESULT res = FR_OK;
if (argc < 2) {
arg = getenv_str(PSTR(ENV_HOME));
} else
arg = argv[1];
- if (arg[1] == ':')
- res = f_chdrive(arg);
-debug_fa("### f_chdrive(): arg: '%s', res: %d\n", arg, res);
+ PATH_T *path = path_setup(arg);
+ if (path == NULL)
+ return CMD_RET_FAILURE;
+
+ if (strlen(path->p_path) > 1 && path->p_path[1] == ':') {
+ res = f_chdrive(path->p_path);
+ debug_fa("### f_chdrive(): p_path: '%s', res: %d\n", path->p_path, res);
+ }
if (res == FR_OK) {
- if (arg[2] == '\0') {
- arg[0] = '/';
- arg[1] = '\0';
- }
- res = f_chdir(arg);
+ res = f_chdir(path->p_path);
+ debug_fa("### f_chdir(): p_path: '%s', res: %d\n", path->p_path, res);
}
-debug_fa("### f_chdir(): arg: '%s', res: %d\n", arg, res);
+ free(path);
if (res != FR_OK) {
put_rc(res);
return CMD_RET_FAILURE;
char *buf;
- buf = (char *) malloc(BUFFER_SIZE);
+ buf = (char *) malloc(PATH_MAX);
if (buf == NULL) {
printf_P(PSTR("pwd: Out of Memory!\n"));
- free(buf);
return CMD_RET_FAILURE;
}
if (argc < 2)
- res = f_getcwd(buf, BUFFER_SIZE); /* Get current directory path */
+ res = f_getcwd(buf, PATH_MAX); /* Get current directory path */
else
- strncpy(buf, argv[1], BUFFER_SIZE);
+ strncpy(buf, argv[1], PATH_MAX);
if (res == FR_OK)
res = f_opendir(&Dir, buf);
char *path = "";
struct stat_dat_s statp;
- buf = (char *) malloc(BUFFER_SIZE);
+ buf = (char *) malloc(PATH_MAX);
if (buf == NULL) {
printf_P(PSTR("fat stat: Out of Memory!\n"));
return CMD_RET_FAILURE;
buffer = (uint8_t *) malloc(BUFFER_SIZE);
if (buffer == NULL) {
printf_P(PSTR("fatstat: Out of Memory!\n"));
- free(buffer);
return CMD_RET_FAILURE;
}