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Kernel/LibC: add SYS_STAT and stat(), lstat()

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Bananymous
2023-06-05 14:36:17 +03:00
parent 69b94dad00
commit d1ad38c8d4
10 changed files with 75 additions and 9 deletions
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34
userspace/Shell/main.cpp
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@@ -1,6 +1,7 @@
#include <BAN/ScopeGuard.h>
#include <BAN/String.h>
#include <BAN/Vector.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
@@ -42,6 +43,13 @@ int execute_command(BAN::StringView command)
}
else
{
struct stat stat_buf;
if (stat(args.front(), &stat_buf) == -1)
{
fprintf(stderr, "command not found: %s\n", args.front());
return 1;
}
pid_t pid = fork();
if (pid == 0)
{
@@ -63,6 +71,28 @@ int execute_command(BAN::StringView command)
return 0;
}
int prompt_length(BAN::StringView prompt)
{
int length { 0 };
bool in_escape { false };
for (char c : prompt)
{
if (in_escape)
{
if (isalpha(c))
in_escape = false;
}
else
{
if (c == '\e')
in_escape = true;
else
length++;
}
}
return length;
}
int main(int argc, char** argv)
{
tcgetattr(0, &old_termios);
@@ -102,8 +132,8 @@ int main(int argc, char** argv)
fread(&c, 1, sizeof(char), stdin);
switch (c)
{
case 'A': if (index > 0) { index--; col = buffers[index].size(); fprintf(stdout, "\e[G%s\e[K", buffers[index].data()); fflush(stdout); } break;
case 'B': if (index < buffers.size() - 1) { index++; col = buffers[index].size(); fprintf(stdout, "\e[G%s\e[K", buffers[index].data()); fflush(stdout); } break;
case 'A': if (index > 0) { index--; col = buffers[index].size(); fprintf(stdout, "\e[%dG%s\e[K", prompt_length(prompt) + 1, buffers[index].data()); fflush(stdout); } break;
case 'B': if (index < buffers.size() - 1) { index++; col = buffers[index].size(); fprintf(stdout, "\e[%dG%s\e[K", prompt_length(prompt) + 1, buffers[index].data()); fflush(stdout); } break;
case 'C': break;
case 'D': break;
}