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glibc/stdio-common/tst-printfsz.c
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/* Based on code by Larry McVoy <lm@neteng.engr.sgi.com>. */ | |
#include <printf.h> | |
#include <stdio.h> | |
#include <string.h> | |
#include <libc-internal.h> | |
#define V 12345678.12345678 | |
static int | |
do_test (void) | |
{ | |
char buf[1024]; | |
int result = 0; | |
/* Testing printf_size_info requires using the deprecated | |
register_printf_function, resulting in warnings | |
"'register_printf_function' is deprecated". */ | |
DIAG_PUSH_NEEDS_COMMENT; | |
DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wdeprecated-declarations"); | |
/* Register the printf handlers. */ | |
register_printf_function ('b', printf_size, printf_size_info); | |
register_printf_function ('B', printf_size, printf_size_info); | |
DIAG_POP_NEEDS_COMMENT; | |
/* All of the formats here use the nonstandard extension specifier | |
just registered, so compiler checking will never grok them. */ | |
DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat"); | |
DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat-extra-args"); | |
sprintf (buf, "%g %b %B %.0b %.0B %.1b %.1B %8.0b %08.0B", | |
V, 1025., V, V, V, V, V, V, V, V); | |
fputs (buf, stdout); | |
if (strcmp (buf, "\ | |
1.23457e+07 1.001k 12.346M 12m 12M 11.8m 12.3M 12m 0000012M")) | |
{ | |
result = 1; | |
fputs (" -> WRONG\n", stdout); | |
} | |
else | |
fputs (" -> OK\n", stdout); | |
sprintf (buf, "%b|%B|%-20.2b|%-10.0b|%-10.8b|%-10.2B|", | |
V, V, V, V, V, V, V, V, V, V, V); | |
fputs (buf, stdout); | |
if (strcmp (buf, "\ | |
11.774m|12.346M|11.77m |12m |11.77375614m|12.35M |")) | |
{ | |
result = 1; | |
fputs (" -> WRONG\n", stdout); | |
} | |
else | |
fputs (" -> OK\n", stdout); | |
sprintf (buf, "%#.0B %*.0b %10.*b %*.*B %10.2B", | |
V, 2, V, 2, V, 10, 2, V, V); | |
fputs (buf, stdout); | |
if (strcmp (buf, "12.M 12m 11.77m 12.35M 12.35M")) | |
{ | |
result = 1; | |
fputs (" -> WRONG\n", stdout); | |
} | |
else | |
fputs (" -> OK\n", stdout); | |
sprintf (buf, "%6B %6.1B %b %B %b %B", | |
V, V, 1000.0, 1000.0, 1024.0, 1024.0); | |
fputs (buf, stdout); | |
if (strcmp (buf, "12.346M 12.3M 1000.000 1.000K 1.000k 1.024K")) | |
{ | |
result = 1; | |
fputs (" -> WRONG\n", stdout); | |
} | |
else | |
fputs (" -> OK\n", stdout); | |
return result; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |