[tests/*.c] Added missing "const" qualifier to "char *" when this

involves string literals (detected by using GCC's -Wwrite-strings
option, via the default -Wdiscarded-qualifiers warning).
(merged changeset r13515 from the trunk)

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/branches/4.0@13516 280ebfd0-de03-0410-8827-d642c229c3f4

7 files changed, 17 insertions, 13 deletions

diff --git a/tests/tdiv.c b/tests/tdiv.c
index b9f5e2b9a..303cd52f3 100644
--- a/tests/tdiv.c
+++ b/tests/tdiv.c
@@ -23,7 +23,7 @@ https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
 #include "mpfr-test.h"
 
 static void
-check_equal (mpfr_srcptr a, mpfr_srcptr a2, char *s,
+check_equal (mpfr_srcptr a, mpfr_srcptr a2, const char *s,
              mpfr_srcptr b, mpfr_srcptr c, mpfr_rnd_t r)
 {
   if (SAME_VAL (a, a2))
diff --git a/tests/tfpif.c b/tests/tfpif.c
index 4eac120bc..391080167 100644
--- a/tests/tfpif.c
+++ b/tests/tfpif.c
@@ -30,8 +30,8 @@ https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
 static void
 doit (int argc, char *argv[], mpfr_prec_t p1, mpfr_prec_t p2)
 {
-  char *filenameCompressed = FILE_NAME_RW;
-  char *data = FILE_NAME_R;
+  const char *filenameCompressed = FILE_NAME_RW;
+  const char *data = FILE_NAME_R;
   int status;
   FILE *fh;
   mpfr_t x[9];
@@ -198,7 +198,7 @@ doit (int argc, char *argv[], mpfr_prec_t p1, mpfr_prec_t p2)
 static void
 check_bad (void)
 {
-  char *filenameCompressed = FILE_NAME_RW;
+  const char *filenameCompressed = FILE_NAME_RW;
   int status;
   FILE *fh;
   mpfr_t x;
@@ -340,7 +340,7 @@ check_bad (void)
 static void
 extra (void)
 {
-  char *data = FILE_NAME_R2;
+  const char *data = FILE_NAME_R2;
   mpfr_t x;
   FILE *fp;
   int ret;
diff --git a/tests/tmul_2exp.c b/tests/tmul_2exp.c
index cd3ac6b3c..961bbc2d9 100644
--- a/tests/tmul_2exp.c
+++ b/tests/tmul_2exp.c
@@ -258,7 +258,7 @@ overflow0 (mpfr_exp_t emax)
   mpfr_exp_t old_emax;
   mpfr_t x, y1, y2;
   int neg, r, op;
-  static char *sop[4] = { "mul_2ui", "mul_2si", "div_2ui", "div_2si" };
+  static const char *sop[4] = { "mul_2ui", "mul_2si", "div_2ui", "div_2si" };
 
   old_emax = mpfr_get_emax ();
   set_emax (emax);
diff --git a/tests/trandom.c b/tests/trandom.c
index 3503e78c4..f1172b1d3 100644
--- a/tests/trandom.c
+++ b/tests/trandom.c
@@ -185,7 +185,7 @@ main (int argc, char *argv[])
   {
     gmp_randstate_t s;
     mpfr_t x;
-    char *str = "0.1010111100000000000000000000000000000000E-32";
+    const char *str = "0.1010111100000000000000000000000000000000E-32";
     int k;
 
     gmp_randinit_default (s);
diff --git a/tests/trint.c b/tests/trint.c
index fd2a45ca2..1aa701a57 100644
--- a/tests/trint.c
+++ b/tests/trint.c
@@ -308,7 +308,7 @@ basic_tests (void)
 #if __MPFR_STDC (199901L)
 
 static void
-test_fct (double (*f)(double), int (*g)(), char *s, mpfr_rnd_t r)
+test_fct (double (*f)(double), int (*g)(), const char *s, mpfr_rnd_t r)
 {
   double d, y;
   mpfr_t dd, yy;
diff --git a/tests/tsum.c b/tests/tsum.c
index a46f8363c..a7ec22996 100644
--- a/tests/tsum.c
+++ b/tests/tsum.c
@@ -285,7 +285,7 @@ void check_special (void)
 static void
 check_more_special (void)
 {
-  char *str[NC] = { "NaN", "+Inf", "-Inf", "+0", "-0", "+1", "-1" };
+  const char *str[NC] = { "NaN", "+Inf", "-Inf", "+0", "-0", "+1", "-1" };
   int i, r, k[NS];
   mpfr_t c[NC], s[NS], sum;
   mpfr_ptr p[NS];
@@ -724,7 +724,7 @@ bug20131027 (void)
 {
   mpfr_t sum, t[4];
   mpfr_ptr p[4];
-  char *s[4] = {
+  const char *s[4] = {
     "0x1p1000",
     "-0x0.fffffffffffff80000000000000001p1000",
     "-0x1p947",
@@ -771,7 +771,11 @@ bug20150327 (void)
 {
   mpfr_t sum1, sum2, t[3];
   mpfr_ptr p[3];
-  char *s[3] = { "0.10000111110101000010101011100001", "1E-100", "0.1E95" };
+  const char *s[3] = {
+    "0.10000111110101000010101011100001",
+    "1E-100",
+    "0.1E95"
+  };
   int i, r;
 
   mpfr_inits2 (58, sum1, sum2, (mpfr_ptr) 0);
@@ -1268,7 +1272,7 @@ bug20160315 (void)
 {
   mpfr_t r, t[4];
   mpfr_ptr p[4];
-  char *s[4] = { "0.10E20", "0", "0.11E382", "0.10E826" };
+  const char *s[4] = { "0.10E20", "0", "0.11E382", "0.10E826" };
   int i;
 
   mpfr_init2 (r, 2);
diff --git a/tests/turandom.c b/tests/turandom.c
index d23f939a2..3c733ae69 100644
--- a/tests/turandom.c
+++ b/tests/turandom.c
@@ -526,7 +526,7 @@ reprod_abi (void)
 #define N 6
   /* Run this program with the MPFR_REPROD_ABI_OUTPUT environment variable
      set to get the array of strings. */
-  char *t[5 * N] = {
+  const char *t[5 * N] = {
     "1.0@-1",
     "3.0@-1",
     "7.0@-1",