1,11 → 1,16 |
/* |
* set [varname[=value]] |
* |
* value cannot contain any '=' character, but it can contain spaces |
* varname can also contain spaces |
*/ |
|
static int cmd_set(int argc, char const **argv, unsigned short env_seg) { |
static int cmd_set(int argc, char const **argv, unsigned short env_seg, const char far *cmdline) { |
char far *env = MK_FP(env_seg, 0); |
char buff[256]; |
int i; |
/* no arguments - display content */ |
if (argc == 1) { |
while (*env != 0) { |
/* copy string to local buff for display */ |
for (i = 0;; i++) { |
15,6 → 20,51 |
} |
puts(buff); |
} |
} else if ((argc == 2) && (imatch(argv[1], "/?"))) { |
puts("TODO: help screen"); /* TODO */ |
} else { /* do not rely on argv, SET has its own rules... */ |
const char far *ptr; |
char buff[256]; |
int i; |
/* locate the first space */ |
for (ptr = cmdline; *ptr != ' '; ptr++); |
/* now locate the first non-space: that's where the variable name begins */ |
for (; *ptr == ' '; ptr++); |
/* copy variable to buff and switch it upercase */ |
i = 0; |
for (; *ptr != '='; ptr++) { |
if (*ptr == '\r') goto syntax_err; |
buff[i] = *ptr; |
if ((buff[i] >= 'a') && (buff[i] <= 'z')) buff[i] -= ('a' - 'A'); |
i++; |
} |
|
return(0); |
/* if not an = sign, then error */ |
if (*ptr != '=') goto syntax_err; |
|
/* add the eq sign to buff */ |
buff[i++] = '='; |
ptr++; |
|
/* copy value now, but make sure it contains no '=' sign */ |
while (*ptr != '\r') { |
if (*ptr == '=') goto syntax_err; |
buff[i++] = *ptr; |
ptr++; |
} |
|
/* terminate buff */ |
buff[i] = 0; |
|
/* TODO add it to environment */ |
puts(buff); |
puts("TODO: ACTUALLY ADD TO ENV"); |
|
} |
return(-1); |
|
syntax_err: |
|
puts("Syntax error"); |
return(-1); |
} |