kolibrios-gitea/programs/system/shell/shell.c

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C
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#include "all.h"
int dir_check(char dir[])
/// just checks, if dir[] is really a directory
{
kol_struct70 k70;
int result;
k70.p00 = 1;
k70.p04 = 0;
//k70.p08 = 0;
k70.p12 = 2; // enough to read . & ..
k70.p16 = (unsigned)malloc(32+k70.p12*560);
k70.p20 = 0;
k70.p21 = dir;
result = kol_file_70(&k70);
free((void*)k70.p16);
if ( (0 == result)||(6 == result) ) // 6 is possible ???
return TRUE;
else
return FALSE;
}
void dir_truncate(char dir[])
{
int i;
i = strlen(dir)-1;
for (;;i--)
if ('/' == dir[i])
{
dir[i+1] = 0;
break;
}
}
void get_file_dir_loc(char *filepath, char *dir_path)
{
char *res = strrchr(filepath, '/');
if (res == 0)
{
dir_path = '\0';
return;
}
size_t pos = res - filepath;
strncpy(dir_path, filepath, pos);
dir_path[pos] = '\0';
}
int file_check(char file[])
{
kol_struct70 k70;
int result;
k70.p00 = 0;
k70.p04 = 0;
//k70.p08 = 0;
k70.p12 = 0;
k70.p16 = 0;
k70.p20 = 0;
k70.p21 = file;
result = kol_file_70(&k70);
if (0 == result)
return TRUE;
else
return FALSE;
}
void file_not_found(char file[]) {
printf (FILE_NOT_FOUND_ERROR, file);
}
int iswhite(char c) {return ((' ' == c) || ('\t' == c) || (13 == c) || (10 == c)); }
void trim(char string[])
{
int i, j;
for (i=0; ;i++)
if ( !iswhite(string[i]) )
break;
j = 0;
for (;;i++, j++)
{
string[j] = string[i];
if ('\0' == string[i] )
break;
}
for (i=0; ;i++)
if ('\0' == string[i])
break;
i--;
for (;i>0;--i)
if ( iswhite(string[i]) )
string[i] = '\0';
else
break;
}
// entry point
int main(int argc, char **argv)
{
int i; for (i = 1; i < argc; i++) {
strcat(cmdline, argv[i]);
if (i != argc - 1) {
strcat(cmdline, " ");
}
}
NUM_OF_CMD = sizeof(COMMANDS)/sizeof(COMMANDS[0]);
strcpy(title, "SHELL ");
strcat(title, SHELL_VERSION);
con_init_opt(-1, -1, -1, -1, title);
//printf("argc = %d\ncmdline = '%s'\n", argc, cmdline);
if (sizeof (kol_struct70) != 25) {
printf("Invalid struct align kol_struct70, need to fix compile options\n\r");
kol_exit();
}
//strcpy(cur_dir, PATH);
//dir_truncate(cur_dir);
getcwd(cur_dir, sizeof cur_dir);
//printf("curdir %s\n", cur_dir);
con_set_cursor_height(con_get_font_height()-1);
ALIASES = malloc(128*1024);
if (!cmdline || cmdline[0] == 0) {
strcpy(CMD, argv[0]);
dir_truncate(CMD);
strcat(CMD, ".shell");
if ( !file_check(CMD) )
strcpy(CMD, "/sys/settings/.shell");
}
else {
if (cmdline[0] == '/')
{
strcpy(cur_dir, cmdline);
*(strrchr(cur_dir, '/')+1)=0;
}
strcpy(CMD, cmdline);
}
command_execute();
for (;;) {
//printf("\033[32;1m");
printf ("# ");
//printf("\033[0m");
command_get();
command_execute();
}
con_exit(0);
kol_exit();
}