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[shell] Execute externals directly.

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This commit is contained in:
Kevin Lange 2011-04-08 16:17:36 -05:00
parent fe40c7bbf6
commit 42c9b0e782
1 changed files with 26 additions and 14 deletions
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38
kernel/core/shell.c
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@ -132,19 +132,6 @@ start_shell() {
free(bufferb);
close_fs(file);
}
} else if (!strcmp(cmd, "echo")) {
/*
* Print given arguments
*/
if (tokenid < 2) {
continue;
} else {
int i = 1;
for (i = 1; i < tokenid; ++i) {
kprintf("%s ", argv[i]);
}
kprintf("\n");
}
} else if (!strcmp(cmd, "ls")) {
/*
* List the files in the current working directory
@ -250,7 +237,32 @@ start_shell() {
} else if (!strcmp(cmd, "multiboot")) {
dump_multiboot(mboot_ptr);
} else {
/* Alright, here we go */
char * filename = malloc(sizeof(char) * 1024);
if (argv[0][0] == '/') {
memcpy(filename, argv[0], strlen(argv[0]) + 1);
} else {
memcpy(filename, path, strlen(path));
if (!strcmp(path,"/")) {
memcpy((void *)((uintptr_t)filename + strlen(path)),argv[0],strlen(argv[0])+1);
} else {
filename[strlen(path)] = '/';
memcpy((void *)((uintptr_t)filename + strlen(path) + 1),argv[0],strlen(argv[0])+1);
}
}
fs_node_t * chd = kopen(filename, 0);
if (!chd) {
/* Alright, let's try this... */
char * search_path = "/bin/";
memcpy(filename, search_path, strlen(search_path));
memcpy((void*)((uintptr_t)filename + strlen(search_path)),argv[0],strlen(argv[0])+1);
chd = kopen(filename, 0);
}
if (!chd) {
kprintf("Unrecognized command: %s\n", cmd);
} else {
exec(filename, tokenid, argv);
}
}
}
}