From 3a2310f7465ed92db7ce9ecfd619e8ac2011a789 Mon Sep 17 00:00:00 2001 From: rsc Date: Mon, 27 Aug 2007 23:53:17 +0000 Subject: [PATCH] make code match comment --- syscall.c | 13 ++++++------- sysfile.c | 2 +- 2 files changed, 7 insertions(+), 8 deletions(-) diff --git a/syscall.c b/syscall.c index bc6c316..695873f 100644 --- a/syscall.c +++ b/syscall.c @@ -42,20 +42,20 @@ fetchstr(struct proc *p, uint addr, char **pp) // Fetch the argno'th 32-bit system call argument. int -argint(int argno, int *ip) +argint(int n, int *ip) { - return fetchint(cp, cp->tf->esp + 4 + 4*argno, ip); + return fetchint(cp, cp->tf->esp + 4 + 4*n, ip); } // Fetch the nth word-sized system call argument as a pointer // to a block of memory of size n bytes. Check that the pointer // lies within the process address space. int -argptr(int argno, char **pp, int size) +argptr(int n, char **pp, int size) { int i; - if(argint(argno, &i) < 0) + if(argint(n, &i) < 0) return -1; if((uint)i >= cp->sz || (uint)i+size >= cp->sz) return -1; @@ -68,10 +68,10 @@ argptr(int argno, char **pp, int size) // (There is no shared writable memory, so the string can't change // between this check and being used by the kernel.) int -argstr(int argno, char **pp) +argstr(int n, char **pp) { int addr; - if(argint(argno, &addr) < 0) + if(argint(n, &addr) < 0) return -1; return fetchstr(cp, addr, pp); } @@ -88,7 +88,6 @@ extern int sys_kill(void); extern int sys_link(void); extern int sys_mkdir(void); extern int sys_mknod(void); -//PAGEBREAK: 0 extern int sys_open(void); extern int sys_pipe(void); extern int sys_read(void); diff --git a/sysfile.c b/sysfile.c index f12b2e1..d18aa1b 100644 --- a/sysfile.c +++ b/sysfile.c @@ -17,7 +17,7 @@ argfd(int n, int *pfd, struct file **pf) int fd; struct file *f; - if(argint(argno, &fd) < 0) + if(argint(n, &fd) < 0) return -1; if(fd < 0 || fd >= NOFILE || (f=cp->ofile[fd]) == 0) return -1;