new libs

1 files changed, 0 insertions, 170 deletions

diff --git a/lib/ulibc.c b/lib/ulibc.c
deleted file mode 100644
index 38aa7df..0000000
--- a/lib/ulibc.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/**
-** @file	ulibc.c
-**
-** @author	CSCI-452 class of 20245
-**
-** @brief	C implementations of user-level library functions
-*/
-
-#include <common.h>
-
-/*
-** PRIVATE DEFINITIONS
-*/
-
-/*
-** PRIVATE DATA TYPES
-*/
-
-/*
-** PRIVATE GLOBAL VARIABLES
-*/
-
-/*
-** PUBLIC GLOBAL VARIABLES
-*/
-
-/*
-** PRIVATE FUNCTIONS
-*/
-
-/*
-** PUBLIC FUNCTIONS
-*/
-
-/*
-**********************************************
-** CONVENIENT "SHORTHAND" VERSIONS OF SYSCALLS
-**********************************************
-*/
-
-/**
-** wait - wait for any child to exit
-**
-** usage:   pid = wait(&status)
-**
-** Calls waitpid(0,status)
-**
-** @param status Pointer to int32_t into which the child's status is placed,
-**               or NULL
-**
-** @returns The PID of the terminated child, or an error code
-*/
-int wait(int32_t *status)
-{
-	return (waitpid(0, status));
-}
-
-/**
-** spawn - create a new process running a different program
-**
-** usage:   pid = spawn(what,args);
-**
-** Creates a new process and then execs 'what'
-**
-** @param what  The program table index of the program to spawn
-** @param args  The command-line argument vector for the new process
-**
-** @returns PID of the new process, or an error code
-*/
-int32_t spawn(uint_t what, char **args)
-{
-	int32_t pid;
-	char buf[256];
-
-	pid = fork();
-	if (pid != 0) {
-		// failure, or we are the parent
-		return (pid);
-	}
-
-	// we are the child
-	pid = getpid();
-
-	// child inherits parent's priority level
-
-	exec(what, args);
-
-	// uh-oh....
-
-	sprint(buf, "Child %d exec() #%u failed\n", pid, what);
-	cwrites(buf);
-
-	exit(EXIT_FAILURE);
-	return (0); // shut the compiler up
-}
-
-/**
-** cwritech(ch) - write a single character to the console
-**
-** @param ch The character to write
-**
-** @returns The return value from calling write()
-*/
-int cwritech(char ch)
-{
-	return (write(CHAN_CIO, &ch, 1));
-}
-
-/**
-** cwrites(str) - write a NUL-terminated string to the console
-**
-** @param str The string to write
-**
-*/
-int cwrites(const char *str)
-{
-	int len = strlen(str);
-	return (write(CHAN_CIO, str, len));
-}
-
-/**
-** cwrite(buf,size) - write a sized buffer to the console
-**
-** @param buf  The buffer to write
-** @param size The number of bytes to write
-**
-** @returns The return value from calling write()
-*/
-int cwrite(const char *buf, uint32_t size)
-{
-	return (write(CHAN_CIO, buf, size));
-}
-
-/**
-** swritech(ch) - write a single character to the SIO
-**
-** @param ch The character to write
-**
-** @returns The return value from calling write()
-*/
-int swritech(char ch)
-{
-	return (write(CHAN_SIO, &ch, 1));
-}
-
-/**
-** swrites(str) - write a NUL-terminated string to the SIO
-**
-** @param str The string to write
-**
-** @returns The return value from calling write()
-*/
-int swrites(const char *str)
-{
-	int len = strlen(str);
-	return (write(CHAN_SIO, str, len));
-}
-
-/**
-** swrite(buf,size) - write a sized buffer to the SIO
-**
-** @param buf  The buffer to write
-** @param size The number of bytes to write
-**
-** @returns The return value from calling write()
-*/
-int swrite(const char *buf, uint32_t size)
-{
-	return (write(CHAN_SIO, buf, size));
-}