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#include <assert.h>
#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
int main(void)
{
int r, i;
char buffer[512];
r = snprintf(buffer, 512, "Hello, %d", 37);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %'d", 37373737);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %'x", 0xdeadbeef);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %'#X", 0xdeadbeef);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %'#llo", 0123456701234567ULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
/* Make sure overflow works correctly */
memset(buffer, '\xff', 512);
r = snprintf(buffer, 16, "Hello, %'#llo", 0123456701234567ULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
for (i = 16; i < 512; i++)
assert(buffer[i] == '\xff');
r = snprintf(buffer, 512, "Hello, %'#40.20llo", 0123456701234567ULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %'#-40.20llo", 0123456701234567ULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %'#*.*llo", 40, 20,
0123456701234567ULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %'#*.*llo", -40, 20,
0123456701234567ULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %'#*.*llo", -40, -20,
0123456701234567ULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %'#*.*llx", -40, -20,
0123456701234567ULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %p", &buffer);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %P", &buffer);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %20p", &buffer);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %-20p", &buffer);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 512, "Hello, %-20p", NULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 20, "Hello, %'-20p", NULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 15, "Hello, %'-20p", NULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 3, "Hello, %'-20p", NULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
/* This shouldn't change buffer in any way! */
r = snprintf(buffer, 0, "Hello, %'-20p", NULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
for (i = -30; i <= 30; i++) {
r = snprintf(buffer, 40, "Hello, %'*p", i, NULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer),
r);
}
r = snprintf(buffer, 40, "Hello, %'-20s", "String");
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 40, "Hello, %'20s", "String");
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 40, "Hello, %'020s", "String");
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 40, "Hello, %'-20s", NULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 40, "Hello, %'20s", NULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 40, "Hello, %'020s", NULL);
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 40, "Hello, %'-20c", '*');
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 40, "Hello, %'20c", '*');
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
r = snprintf(buffer, 40, "Hello, %'020c", '*');
printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
return 0;
}
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