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import RT-Thread@9217865c without bsp, libcpu and components/net

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Zihao Yu 2023-05-20 16:23:33 +08:00
commit e2376a3709
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examples/libc/printf.c Normal file
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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2010-11-17 Bernard first version
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/fcntl.h>
#include <finsh.h>
char * format[] = {
"%",
"%0.",
"%.0",
"%+0.",
"%+.0",
"%.5",
"%+.5",
"%2.5",
"%22.5",
"%022.5",
"%#022.5",
"%-#022.5",
"%+#022.5",
"%-22.5",
"%+22.5",
"%--22.5",
"%++22.5",
"%+-22.5",
"%-+22.5",
"%-#022.5",
"%-#22.5",
"%-2.22",
"%+2.22",
"%-#02.22",
"%-#2.22",
"%-1.5",
"%1.5",
"%-#01.5",
"%-#1.5",
"%-#.5",
"%-#1.",
"%-#.",
NULL
};
static void
intchk (const char *fmt)
{
(void) printf("%15s :, \"", fmt);
(void) printf(fmt, 0);
(void) printf("\", \"");
(void) printf(fmt, 123);
(void) printf("\", \"");
(void) printf(fmt, -18);
(void) printf("\"\n");
}
static void
fltchk (const char *fmt)
{
(void) printf("%15s :, \"", fmt);
(void) printf(fmt, 0.0);
(void) printf("\", \"");
(void) printf(fmt, 123.0001);
(void) printf("\", \"");
(void) printf(fmt, -18.0002301);
(void) printf("\"\n");
}
int printf_test()
{
char buf[256];
int i;
printf("%s\n\n", "# vim:syntax=off:");
/* integers */
for(i=0;format[i];i++) {
strcpy(buf, format[i]);
strcat(buf, "d");
intchk(buf);
}
/* floats */
for(i=0;format[i];i++) {
strcpy(buf, format[i]);
strcat(buf, "f");
fltchk(buf);
}
/* hexa */
for(i=0;format[i];i++) {
strcpy(buf, format[i]);
strcat(buf, "x");
intchk(buf);
}
printf("#%.4x %4x#\n", 4, 88);
printf("#%4x#\n",4);
printf("#%#22.8x#\n",1234567);
printf("#%+2i#\n",18);
printf("#%i#\n",18);
printf("#%llu#\n",4294967297ULL);
printf("#%#x#\n",44444);
printf("#%-8i#\n",33);
printf("#%i#\n",18);
printf("#%d#\n",18);
printf("#%u#\n",18);
printf("#%lu#\n",18);
printf("#%li#\n",18);
printf("#%-+#06d#\n", -123);
printf("#%-+#6d#\n", -123);
printf("#%+#06d#\n", -123);
printf("#%06d#\n", -123);
printf("#%+15s#\n","ABCDEF");
/* from ncurses make_keys */
printf("{ %4d, %-*.*s },\t/* %s */\n", 139, 16, 16, "KEY_A1", "key_a1");
printf("{ %4d, %-*.*s },\t/* %s */\n", 139, 16, 2, "KEY_A1", "key_a1");
printf("{ %4d, %-*.*s },\t/* %s */\n", 139, 2, 16, "KEY_A1", "key_a1");
printf("{ %4d, %-*.*s },\t/* %s */\n", 139, 16, 0, "KEY_A1", "key_a1");
printf("{ %4d, %-*.*s },\t/* %s */\n", 139, 0, 16, "KEY_A1", "key_a1");
printf("{ %4d, %-*.*s },\t/* %s */\n", 139, 0, 0, "KEY_A1", "key_a1");
printf("{ %4d, %*.*s },\t/* %s */\n", 139, 16, 16, "KEY_A1", "key_a1");
printf("{ %4d, %*.*s },\t/* %s */\n", 139, 16, 2, "KEY_A1", "key_a1");
printf("{ %4d, %*.*s },\t/* %s */\n", 139, 2, 16, "KEY_A1", "key_a1");
printf("{ %4d, %*.*s },\t/* %s */\n", 139, 16, 0, "KEY_A1", "key_a1");
printf("{ %4d, %*.*s },\t/* %s */\n", 139, 0, 16, "KEY_A1", "key_a1");
printf("{ %4d, %*.*s },\t/* %s */\n", 139, 0, 0, "KEY_A1", "key_a1");
printf("%*.*f\n", 0, 16, 0.0);
printf("%*.*f\n", 16, 16, 0.0);
printf("%*.*f\n", 2, 2, -0.0);
printf("%*.*f\n", 20, 0, -123.123);
printf("%*.*f\n", 10, 0, +123.123);
i = printf("\"%s\"\n","A");
printf("%i\n", i);
/* from glibc's tst-printf.c */
{
char buf[20];
char buf2[512];
int i;
printf ("snprintf (\"%%30s\", \"foo\") == %d, \"%.*s\"\n",
snprintf (buf, sizeof (buf), "%30s", "foo"), (int) sizeof (buf),
buf);
memset(buf2,0,sizeof(buf));
i=snprintf(buf2, 256, "%.9999u", 10);
printf("%i %i\n",i,strlen(buf2));
printf ("snprintf (\"%%.999999u\", 10) == %d\n",
snprintf(buf2, sizeof(buf2), "%.999999u", 10));
}
return 0;
}
void libc_printf()
{
printf("stdout test!!\n");
fprintf(stdout, "fprintf test!!\n");
fprintf(stderr, "fprintf test!!\n");
puts("puts test!!\n");
putc('1', stderr);
putc('2', stderr);
putc('\n', stderr);
printf_test();
}
FINSH_FUNCTION_EXPORT(libc_printf, printf test in libc);
void libc_dprintf()
{
int fd;
fd = open("/dev/console", O_WRONLY, 0);
if (fd >0)
{
dprintf(fd, "fd:%d printf test!!\n", fd);
close(fd);
}
}
FINSH_FUNCTION_EXPORT(libc_dprintf, dprintf test);
void libc_fdopen()
{
int fd;
FILE* fp;
fd = open("/dev/console", O_WRONLY, 0);
if (fd >0)
{
fp = fdopen(fd, "w");
fprintf(fp, "fdopen test, fd %d!!\n", fileno(fp));
fclose(fp);
}
}
FINSH_FUNCTION_EXPORT(libc_fdopen, fdopen test);