+#include <array_length.h>
#include <float.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>
+#include <libc-diag.h>
static int
t1 (void)
INPUT, FORMAT, retval, (long int) VAR); \
result |= retval != EXP_RES || VAR != EXP_VAL
+ /* This function is testing corner cases of the scanf format string,
+ so they do not all conform to -Wformat's expectations. */
+ DIAG_PUSH_NEEDS_COMMENT;
+ DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
+ DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat-extra-args");
+
SCAN ("12345", "%ld", N, 1, 12345);
SCAN ("12345", "%llllld", N, 0, -1);
SCAN ("12345", "%LLLLLd", N, 0, -1);
retval, n, N); \
result |= retval != 1 || n != 1 || N != -1;
+ DIAG_POP_NEEDS_COMMENT;
+
return result;
}
retval = sprintf (buf, "%p", (char *) NULL);
result |= retval != 5 || strcmp (buf, "(nil)") != 0;
- retval = swprintf (wbuf, sizeof (wbuf) / sizeof (wbuf[0]),
- L"%p", (char *) NULL);
+ retval = swprintf (wbuf, array_length (wbuf), L"%p", (char *) NULL);
result |= retval != 5 || wcscmp (wbuf, L"(nil)") != 0;
return result;
qnanval = NAN;
+ /* The %f and %F arguments are in fact constants, but GCC is
+ prevented from seeing this (volatile is used) so it cannot tell
+ that the output is not truncated. */
+ DIAG_PUSH_NEEDS_COMMENT;
+#if __GNUC_PREREQ (7, 0)
+ DIAG_IGNORE_NEEDS_COMMENT (7.0, "-Wformat-truncation");
+#endif
+
snprintf (buf, sizeof buf, "%a %A %e %E %f %F %g %G",
qnanval, qnanval, qnanval, qnanval,
qnanval, qnanval, qnanval, qnanval);
printf ("expected \"-inf -INF -inf -INF -inf -INF -inf -INF\", got \"%s\"\n",
buf);
- swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), L"%a %A %e %E %f %F %g %G",
+ swprintf (wbuf, array_length (wbuf), L"%a %A %e %E %f %F %g %G",
qnanval, qnanval, qnanval, qnanval,
qnanval, qnanval, qnanval, qnanval);
result |= wcscmp (wbuf, L"nan NAN nan NAN nan NAN nan NAN") != 0;
printf ("expected L\"nan NAN nan NAN nan NAN nan NAN\", got L\"%S\"\n", wbuf);
- swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), L"%a %A %e %E %f %F %g %G",
+ swprintf (wbuf, array_length (wbuf), L"%a %A %e %E %f %F %g %G",
-qnanval, -qnanval, -qnanval, -qnanval,
-qnanval, -qnanval, -qnanval, -qnanval);
result |= wcscmp (wbuf, L"-nan -NAN -nan -NAN -nan -NAN -nan -NAN") != 0;
printf ("expected L\"-nan -NAN -nan -NAN -nan -NAN -nan -NAN\", got L\"%S\"\n",
wbuf);
- swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), L"%a %A %e %E %f %F %g %G",
+ swprintf (wbuf, array_length (wbuf), L"%a %A %e %E %f %F %g %G",
snanval, snanval, snanval, snanval,
snanval, snanval, snanval, snanval);
result |= wcscmp (wbuf, L"nan NAN nan NAN nan NAN nan NAN") != 0;
printf ("expected L\"nan NAN nan NAN nan NAN nan NAN\", got L\"%S\"\n", wbuf);
- swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), L"%a %A %e %E %f %F %g %G",
+ swprintf (wbuf, array_length (wbuf), L"%a %A %e %E %f %F %g %G",
msnanval, msnanval, msnanval, msnanval,
msnanval, msnanval, msnanval, msnanval);
result |= wcscmp (wbuf, L"-nan -NAN -nan -NAN -nan -NAN -nan -NAN") != 0;
printf ("expected L\"-nan -NAN -nan -NAN -nan -NAN -nan -NAN\", got L\"%S\"\n",
wbuf);
- swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), L"%a %A %e %E %f %F %g %G",
+ swprintf (wbuf, array_length (wbuf), L"%a %A %e %E %f %F %g %G",
infval, infval, infval, infval, infval, infval, infval, infval);
result |= wcscmp (wbuf, L"inf INF inf INF inf INF inf INF") != 0;
printf ("expected L\"inf INF inf INF inf INF inf INF\", got L\"%S\"\n", wbuf);
- swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), L"%a %A %e %E %f %F %g %G",
+ swprintf (wbuf, array_length (wbuf), L"%a %A %e %E %f %F %g %G",
-infval, -infval, -infval, -infval,
-infval, -infval, -infval, -infval);
result |= wcscmp (wbuf, L"-inf -INF -inf -INF -inf -INF -inf -INF") != 0;
printf ("expected \"-inf -INF -inf -INF -inf -INF -inf -INF\", got \"%s\"\n",
buf);
- swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]),
+ swprintf (wbuf, array_length (wbuf),
L"%La %LA %Le %LE %Lf %LF %Lg %LG",
lqnanval, lqnanval, lqnanval, lqnanval,
lqnanval, lqnanval, lqnanval, lqnanval);
result |= wcscmp (wbuf, L"nan NAN nan NAN nan NAN nan NAN") != 0;
printf ("expected L\"nan NAN nan NAN nan NAN nan NAN\", got L\"%S\"\n", wbuf);
- swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]),
+ swprintf (wbuf, array_length (wbuf),
L"%La %LA %Le %LE %Lf %LF %Lg %LG",
-lqnanval, -lqnanval, -lqnanval, -lqnanval,
-lqnanval, -lqnanval, -lqnanval, -lqnanval);
printf ("expected L\"-nan -NAN -nan -NAN -nan -NAN -nan -NAN\", got L\"%S\"\n",
wbuf);
- swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]),
+ swprintf (wbuf, array_length (wbuf),
L"%La %LA %Le %LE %Lf %LF %Lg %LG",
lsnanval, lsnanval, lsnanval, lsnanval,
lsnanval, lsnanval, lsnanval, lsnanval);
result |= wcscmp (wbuf, L"nan NAN nan NAN nan NAN nan NAN") != 0;
printf ("expected L\"nan NAN nan NAN nan NAN nan NAN\", got L\"%S\"\n", wbuf);
- swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]),
+ swprintf (wbuf, array_length (wbuf),
L"%La %LA %Le %LE %Lf %LF %Lg %LG",
lmsnanval, lmsnanval, lmsnanval, lmsnanval,
lmsnanval, lmsnanval, lmsnanval, lmsnanval);
printf ("expected L\"-nan -NAN -nan -NAN -nan -NAN -nan -NAN\", got L\"%S\"\n",
wbuf);
- swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]),
+ swprintf (wbuf, array_length (wbuf),
L"%La %LA %Le %LE %Lf %LF %Lg %LG",
linfval, linfval, linfval, linfval,
linfval, linfval, linfval, linfval);
result |= wcscmp (wbuf, L"inf INF inf INF inf INF inf INF") != 0;
printf ("expected L\"inf INF inf INF inf INF inf INF\", got L\"%S\"\n", wbuf);
- swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]),
+ swprintf (wbuf, array_length (wbuf),
L"%La %LA %Le %LE %Lf %LF %Lg %LG",
-linfval, -linfval, -linfval, -linfval,
-linfval, -linfval, -linfval, -linfval);
printf ("expected L\"-inf -INF -inf -INF -inf -INF -inf -INF\", got L\"%S\"\n",
wbuf);
+ DIAG_POP_NEEDS_COMMENT;
+
return result;
}