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Code Issues Releases Activity

fix in print function *ducks*

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git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1067 ebee16cc-31ac-478f-84a7-5cbb03baadba
This commit is contained in:
corvus 2010-07-11 13:57:20 +00:00 committed by corvus
parent 1dd60b54f6
commit 0efc69055e
1 changed files with 24 additions and 12 deletions
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36
flight/PiOS.posix/posix/Libraries/FreeRTOS/Source/portable/GCC/Posix/corvuscorax/thread_signal_test2.c
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@ -2,6 +2,7 @@
* small etst program whether signals between threads work as they should
*/
#include <stdio.h>
#include <unistd.h>
#include <time.h>
#include <pthread.h>
@ -20,30 +21,30 @@ void print_char(int fh, char *c) {
}
/* create a dezimal string from an integer */
int int2char(char* x,long i) {
if (i<0) {
x[0]='-';
return (int2char(&x[1],-i)+1);
}
int int2char(char* x,unsigned long i) {
if (i==0) {
x[0]=0;
return 0;
}
int k=int2char(x,i/10);
int k=int2char(&x[0],i/10);
x[k]='0'+(i%10);
x[k+1]=0;
return k+1;
}
/* print a number*/
void print_number(int fh, long i) {
char buffer[39]; // 39 characters are enough to store a 128 bit integer in dezimal notation (~~3.4* 10^38)
char* number=buffer;
if (i==0) {
number="0";
print_char(fh,"0");
} else {
int2char(number,i);
if (i<0) {
buffer[0]='-';
int2char(&buffer[1],-i);
} else {
int2char(buffer,i);
}
print_char(fh,buffer);
}
print_char(fh,number);
}
/**
@ -92,7 +93,18 @@ int main(char** argc, int argv) {
pthread_t testthread1;
pthread_t testthread2;
struct sigaction action;
print_char(2,"thread test program\n");
print_char(2,"thread test program\n\n");
print_char(2,"demonstrate print function\n");
long t=1;
while (t!=0) {
print_number(2,t);
print_char(2," >> ");
t=(t>0)?t*2:t/2;
}
print_number(2,t);
print_char(2,"\ndone\n\n");
print_char(2,"installing signal handler\n");
action.sa_handler=sighandler;
action.sa_flags=0;