summaryrefslogtreecommitdiff
path: root/src/user/yosh/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/user/yosh/main.c')
-rw-r--r--src/user/yosh/main.c107
1 files changed, 61 insertions, 46 deletions
diff --git a/src/user/yosh/main.c b/src/user/yosh/main.c
index 957060e..7586ab0 100644
--- a/src/user/yosh/main.c
+++ b/src/user/yosh/main.c
@@ -3,33 +3,33 @@
#include <stdlib.h>
#include <stdio.h>
-FILE out, cwd_f;
+FILE cwd_f;
char *cwd;
void about() {
- fprint(out, "Trivial/Computing Environment v0.1.0 - yosh 2.\n");
+ print("Trivial/Computing Environment v0.1.0 - yosh 2.\n");
}
void help(char *args[]) {
if (args[1] == 0) {
- fprint(out, "Available commands: about, help, exit, ls, cd, switch.\n");
+ print("Available commands: about, help, exit, ls, cd, switch.\n");
} else if (strcmp(args[1], "about") == 0) {
- fprint(out, "Usage:\tabout\nShows some info about yosh. Very usefull.\n");
+ print("Usage:\tabout\nShows some info about yosh. Very usefull.\n");
} else if (strcmp(args[1], "help") == 0) {
- fprint(out, "Usage:\thelp\n\thelp <command>\n");
- fprint(out, "Shows some info about the command you want, or commands in general.\n");
+ print("Usage:\thelp\n\thelp <command>\n");
+ print("Shows some info about the command you want, or commands in general.\n");
} else if (strcmp(args[1], "exit") == 0) {
- fprint(out, "Usage:\texit\n");
- fprint(out, "Exits the shell.\nWill probably make your system panic if you only have a shell running.\n");
+ print("Usage:\texit\n");
+ print("Exits the shell.\nWill probably make your system panic if you only have a shell running.\n");
} else if (strcmp(args[1], "cd") == 0) {
- fprint(out, "Usage:\tcd <location>\nGoes to the location specified.\n");
+ print("Usage:\tcd <location>\nGoes to the location specified.\n");
} else if (strcmp(args[1], "ls") == 0) {
- fprint(out, "Usage:\tls\n\tls <location>...\nShows the content of the current/specified directory.\n");
+ print("Usage:\tls\n\tls <location>...\nShows the content of the current/specified directory.\n");
} else if (strcmp(args[1], "switch") == 0) {
- fprint(out, "Usage:\tswitch <vt name>\nSwitchs focus to specified virtual terminal.\n");
- fprint(out, "Type `ls /.ui` to see available terminals.\n");
+ print("Usage:\tswitch <vt name>\nSwitchs focus to specified virtual terminal.\n");
+ print("Type `ls /.ui` to see available terminals.\n");
} else {
- fprintf(out, "No such command: %s\n", args[1]);
+ printf("No such command: %s\n", args[1]);
}
}
@@ -97,8 +97,12 @@ char* path_cat (char* a, char* b) {
int la = strlen(a);
int lb = strlen(b);
- ret = (char*)malloc(la + lb + 2);
+ ret = (char*)malloc(la + lb + 3);
memcpy(ret, a, la);
+ if (ret[la-1] != '/') {
+ ret[la] = '/';
+ la++;
+ }
memcpy(ret + la, b, lb);
if (ret[la + lb - 1] != '/') {
ret[la + lb] = '/';
@@ -112,7 +116,7 @@ char* path_cat (char* a, char* b) {
void cd(char **args) {
if (args[1] == 0) {
- fprint(out, "Usage: cd <directory>\n");
+ print("Usage: cd <directory>\n");
}
if (strcmp(args[1], ".") == 0) return;
@@ -121,18 +125,18 @@ void cd(char **args) {
file_info info;
int i = stat(newcwd, &info);
if (i == E_NOT_FOUND) {
- fprint(out, "No such file or directory.\n");
+ print("No such file or directory.\n");
free(newcwd);
} else if (i < 0) {
- fprintf(out, "Error stating: %i\n", i);
+ printf("Error stating: %i\n", i);
free(newcwd);
} else if ((info.type & FT_DIR) == 0) {
- fprint(out, "Not a directory.\n");
+ print("Not a directory.\n");
free(newcwd);
} else {
FILE nf = open(newcwd, 0);
if (nf <= 0) {
- fprintf(out, "Error opening: %i\n", nf);
+ printf("Error opening: %i\n", nf);
free(newcwd);
} else {
free(cwd);
@@ -152,26 +156,26 @@ void ls_dir(FILE f) {
if (strcmp(buf, ".") == 0 || strcmp(buf, "..") == 0) continue;
- fprintf(out, " %s", buf);
+ printf(" %s", buf);
stat_relative(f, buf, &info);
- if (info.type & FT_DIR) fprint(out, "/");
- fprint(out, " \t");
+ if (info.type & FT_DIR) print("/");
+ print(" \t");
- if (info.type & FT_FILE) fprint(out, "file ");
- if (info.type & FT_DIR) fprint(out, "dir ");
- if (info.type & FT_SYMLINK) fprint(out, "symlink ");
- if (info.type & FT_DEV) fprint(out, "dev ");
- if (info.type & FT_TERMINAL) fprint(out, "term ");
+ if (info.type & FT_FILE) print("file ");
+ if (info.type & FT_DIR) print("dir ");
+ if (info.type & FT_SYMLINK) print("symlink ");
+ if (info.type & FT_DEV) print("dev ");
+ if (info.type & FT_TERMINAL) print("term ");
- fprint(out, "\t");
+ print("\t");
if (info.type & FT_TERMINAL) {
- fprintf(out, "%ix%i", info.size >> 16, info.size & 0xFFFF);
+ printf("%ix%i", info.size >> 16, info.size & 0xFFFF);
} else if ((info.type & FT_DEV) == 0) {
- fprintf(out, "%i", info.size);
+ printf("%i", info.size);
}
- fprint(out, "\n");
+ print("\n");
}
}
@@ -181,18 +185,18 @@ void ls(char **args) {
} else {
int i;
for (i = 1; args[i] != 0; i++) {
- fprintf(out, "Contents of %s :\n", args[i]);
+ printf("Contents of %s :\n", args[i]);
char* d = path_cat(cwd, args[i]);
file_info info;
int e = stat(d, &info);
if (e == E_NOT_FOUND) {
- fprint(out, " No such file or directory\n");
+ print(" No such file or directory\n");
} else if (e < 0) {
- fprintf(out, " Error stating: %i\n", e);
+ printf(" Error stating: %i\n", e);
} else {
FILE ff = open(d, 0);
if (ff <= 0) {
- fprintf(out, " Error opening: %i\n", ff);
+ printf(" Error opening: %i\n", ff);
} else {
ls_dir(ff);
close(ff);
@@ -205,7 +209,7 @@ void ls(char **args) {
void t_switch(char** args) {
if (args[1] == 0) {
- fprint(out, "Usage: switch <vt_name>\n");
+ print("Usage: switch <vt_name>\n");
return;
}
char* p = path_cat("/.ui/", args[1]);
@@ -213,13 +217,13 @@ void t_switch(char** args) {
if ((i = link(p, "/.dev/vgatxt", LM_OUTPUT_TO)) == 0) {
link("/.dev/ps2kbd", p, LM_OUTPUT_TO);
} else {
- fprintf(out, "Error %i\n", i);
+ printf("Error %i\n", i);
}
}
int main(char **sh_args) {
- out = open("/.ui/home", 0);
- if (out <= 0) {
+ term = open("/.ui/home", 0);
+ if (term <= 0) {
return -1;
}
@@ -227,11 +231,13 @@ int main(char **sh_args) {
cwd = strdup("/");
cwd_f = open(cwd, 0);
+
+ char *path = path_cat(sh_args[0], "..");
while (1) {
- fprintf(out, " %s ", cwd);
+ printf(" %s ", cwd);
- char *s = freadln(out);
+ char *s = readln();
if (s == 0) return -1;
int l = strlen(s);
if (s[l-1] == '\n') {
@@ -256,7 +262,7 @@ int main(char **sh_args) {
} else if (strcmp(c_args[0], "help") == 0) {
help(c_args);
} else if (strcmp(c_args[0], "exit") == 0) {
- fprint(out, "Exiting the shell. See you later!\n");
+ print("Exiting the shell. See you later!\n");
break;
} else if (strcmp(c_args[0], "cd") == 0) {
cd(c_args);
@@ -265,18 +271,27 @@ int main(char **sh_args) {
} else if (strcmp(c_args[0], "switch") == 0) {
t_switch(c_args);
} else {
- char *c = path_cat(cwd, c_args[0]);
+ char *c;
+ if (strchr(c_args[0], '/')) {
+ c = path_cat(cwd, c_args[0]);
+ } else {
+ c = path_cat(path, c_args[0]);
+ }
int pid = run(c, c_args + 1);
if (pid <= 0) {
- fprintf(out, "Error %i\n", pid);
+ if (pid == E_NOT_FOUND) {
+ printf("Error: no such file %s\n", c);
+ } else {
+ printf("Error %i\n", pid);
+ }
} else {
int ret = waitpid(pid);
- fprintf(out, "Exited with status %i\n", ret);
+ printf(" -> child (pid %i) exited with status %i\n", pid, ret);
}
free(c);
}
} else {
- fprint(out, "[freadln fail, sorry.]\n");
+ print("[freadln fail, sorry.]\n");
}
free(s);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 17:25:49 +0000