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Added sys_physzero library call for corresponding system call; modified

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system-printf() so it returns number of characters printed (for use in
smart formatting)
This commit is contained in:
Ben Gras 2005-06-01 09:36:07 +00:00
parent dfe2b4513f
commit b4335679cb
4 changed files with 33 additions and 11 deletions
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2
lib/other/asynchio.c
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@ -14,12 +14,12 @@
#define time _time #define time _time
#define write _write #define write _write
#include <lib.h> #include <lib.h>
#include <time.h>
#include <sys/ioctl.h> #include <sys/ioctl.h>
#include <sys/asynchio.h> #include <sys/asynchio.h>
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h> #include <unistd.h>
#include <string.h> #include <string.h>
#include <time.h>
#include <signal.h> #include <signal.h>
#define IDLE 0 #define IDLE 0

4
lib/syslib/Makefile
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@ -45,6 +45,7 @@ OBJECTS = \
$(LIBSYS)(sys_signalrm.o) \ $(LIBSYS)(sys_signalrm.o) \
$(LIBSYS)(sys_flagalrm.o) \ $(LIBSYS)(sys_flagalrm.o) \
$(LIBSYS)(sys_syncalrm.o) \ $(LIBSYS)(sys_syncalrm.o) \
$(LIBSYS)(sys_physzero.o) \
$(LIBSYS)(taskcall.o) \ $(LIBSYS)(taskcall.o) \
$(LIBSYS): $(OBJECTS) $(LIBSYS): $(OBJECTS)
@ -165,6 +166,9 @@ $(LIBSYS)(sys_flagalrm.o): sys_flagalrm.c
$(LIBSYS)(sys_syncalrm.o): sys_syncalrm.c $(LIBSYS)(sys_syncalrm.o): sys_syncalrm.c
$(CC1) sys_syncalrm.c $(CC1) sys_syncalrm.c
$(LIBSYS)(sys_physzero.o): sys_physcp.c
$(CC1) sys_physzero.c
$(LIBSYS)(taskcall.o): taskcall.c $(LIBSYS)(taskcall.o): taskcall.c
$(CC1) taskcall.c $(CC1) taskcall.c

22
lib/syslib/kprintf.c
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@ -17,10 +17,12 @@ int printf(fmt) char *fmt;
/* Printf() uses kputc() to print characters. */ /* Printf() uses kputc() to print characters. */
void kputc(int c); void kputc(int c);
#define count_kputc(c) do { charcount++; kputc(c); } while(0)
int printf(const char *fmt, ...) int printf(const char *fmt, ...)
#endif #endif
{ {
int c; int c, charcount = 0;
enum { LEFT, RIGHT } adjust; enum { LEFT, RIGHT } adjust;
enum { LONG, INT } intsize; enum { LONG, INT } intsize;
int fill; int fill;
@ -40,7 +42,7 @@ int printf(const char *fmt, ...)
while ((c= *fmt++) != 0) { while ((c= *fmt++) != 0) {
if (c != '%') { if (c != '%') {
/* Ordinary character. */ /* Ordinary character. */
kputc(c); count_kputc(c);
continue; continue;
} }
@ -162,26 +164,26 @@ int printf(const char *fmt, ...)
string_print: string_print:
width -= len; width -= len;
if (i < 0) width--; if (i < 0) width--;
if (fill == '0' && i < 0) kputc('-'); if (fill == '0' && i < 0) count_kputc('-');
if (adjust == RIGHT) { if (adjust == RIGHT) {
while (width > 0) { kputc(fill); width--; } while (width > 0) { count_kputc(fill); width--; }
} }
if (fill == ' ' && i < 0) kputc('-'); if (fill == ' ' && i < 0) count_kputc('-');
while (len > 0) { kputc((unsigned char) *p++); len--; } while (len > 0) { count_kputc((unsigned char) *p++); len--; }
while (width > 0) { kputc(fill); width--; } while (width > 0) { count_kputc(fill); width--; }
break; break;
/* Unrecognized format key, echo it back. */ /* Unrecognized format key, echo it back. */
default: default:
kputc('%'); count_kputc('%');
kputc(c); count_kputc(c);
} }
} }
/* Mark the end with a null (should be something else, like -1). */ /* Mark the end with a null (should be something else, like -1). */
kputc(0); kputc(0);
va_end(argp); va_end(argp);
return 0; return charcount;
} }
/* /*

16
lib/syslib/sys_physzero.c Normal file
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@ -0,0 +1,16 @@
#include "syslib.h"
PUBLIC int sys_physzero(phys_bytes base, phys_bytes bytes)
{
/* Zero a block of data. */
message mess;
if (bytes == 0L) return(OK);
mess.PZ_MEM_PTR = (char *) base;
mess.PZ_COUNT = bytes;
return(_taskcall(SYSTASK, SYS_PHYSZERO, &mess));
}