sysdeps/ieee754/ldbl-128ibm-compat: Fix warn unused result

Return value from *scanf and *asprintf routines are now properly checked
in test-scanf-ldbl-compat-template.c and test-printf-ldbl-compat.c.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>

diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ldbl-compat.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ldbl-compat.c
index 3c759e14271d8c817d6e47302a69b275b1fea448..be37af7c31d00d865c0c2528a1e2f911ac4b1119 100644 (file)
--- a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ldbl-compat.c
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ldbl-compat.c
@@ -30,12 +30,13 @@ do_test_call_varg (FILE *stream, const char *format, ...)
   char *buffer = NULL;
   char string[128];
   va_list args;
+  int ret;
 
   printf ("%15s", "vasprintf: ");
   va_start (args, format);
-  vasprintf (&buffer, format, args);
+  ret = vasprintf (&buffer, format, args);
   va_end (args);
-  if (buffer == NULL)
+  if (ret == -1 || buffer == NULL)
     printf ("Error using vasprintf\n");
   else
     {
@@ -82,10 +83,11 @@ do_test_call_rarg (FILE *stream, const char *format, long double ld, double d)
 {
   char *buffer = NULL;
   char string[128];
+  int ret;
 
   printf ("%15s", "asprintf: ");
-  asprintf (&buffer, format, ld, d);
-  if (buffer == NULL)
+  ret = asprintf (&buffer, format, ld, d);
+  if (ret == -1 || buffer == NULL)
     printf ("Error using asprintf\n");
   else
     {

diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-scanf-ldbl-compat-template.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-scanf-ldbl-compat-template.c
index e8da3a67f075b0bfc4f3d85e395d7cdbed584c67..776c12dd166b653fa74874cb9add8bd1c2c3e72a 100644 (file)
--- a/sysdeps/ieee754/ldbl-128ibm-compat/test-scanf-ldbl-compat-template.c
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-scanf-ldbl-compat-template.c
@@ -37,10 +37,10 @@
   ldptr = va_arg (args, long double *);                                        \
   fptr = va_arg (args, float *);                                       \
   va_end (args);                                                       \
-  if (*ldptr == -1 && *fptr == -2)                                     \
+  if (*ldptr == -1 && *fptr == -2 && ret == 2)                         \
     printf ("OK");                                                     \
   else                                                                 \
-    printf ("ERROR (%Lf %f)", *ldptr, *fptr);                          \
+    printf ("ERROR (%Lf %f %d)", *ldptr, *fptr, ret);                  \
   printf ("\n");
 
 #define CLEAR_VALUE                                                    \
@@ -48,10 +48,10 @@
   f = 0;
 
 #define CHECK_VALUE                                                    \
-  if (ld == -1 && f == -2)                                             \
+  if (ld == -1 && f == -2 && ret == 2)                                 \
     printf ("OK");                                                     \
   else                                                                 \
-    printf ("ERROR (%Lf %f)", ld, f);                                  \
+    printf ("ERROR (%Lf %f %d)", ld, f, ret);                          \
   printf ("\n");
 
 static void
@@ -62,40 +62,41 @@ do_test_call (FILE *stream, CHAR *string, const CHAR *format, ...)
   float *fptr;
   long double *ldptr;
   va_list args;
+  int ret;
 
   CLEAR_VALUE
   printf ("fscanf: ");
-  FSCANF (stream, format, &ld, &f);
+  ret = FSCANF (stream, format, &ld, &f);
   CHECK_VALUE
 
   CLEAR_VALUE
   printf ("scanf: ");
-  SCANF (format, &ld, &f);
+  ret = SCANF (format, &ld, &f);
   CHECK_VALUE
 
   CLEAR_VALUE
   printf ("sscanf: ");
-  SSCANF (string, format, &ld, &f);
+  ret = SSCANF (string, format, &ld, &f);
   CHECK_VALUE
 
   CLEAR_VARGS
   printf ("vfscanf: ");
   va_start (args, format);
-  VFSCANF (stream, format, args);
+  ret = VFSCANF (stream, format, args);
   va_end (args);
   CHECK_VARGS
 
   CLEAR_VARGS
   printf ("vscanf: ");
   va_start (args, format);
-  VSCANF (format, args);
+  ret = VSCANF (format, args);
   va_end (args);
   CHECK_VARGS
 
   CLEAR_VARGS
   printf ("vsscanf: ");
   va_start (args, format);
-  VSSCANF (string, format, args);
+  ret = VSSCANF (string, format, args);
   va_end (args);
   CHECK_VARGS
 }