* runtime/string.c (find_option): Change 3rd argument to

	const st_option *.
	* libgfortran.h (find_option): Likewise.
	* runtime/environ.c (rounding, precision, signal_choices): Constify.
	(init_choice, show_choice): Change 2nd argument to const choice *.
	* io/open.c (access_opt, action_opt, blank_opt, delim_opt, form_opt,
	position_opt, status_opt, pad_opt): Constify.
	* io/transfer.c (advance_opt): Likewise.
	* io/inquire.c (undefined): Likewise.
	* io/close.c (status_opt): Likewise.
	* io/format.c (posint_required, period_required, nonneg_required,
	unexpected_element, unexpected_end, bad_string, bad_hollerith,
	reversion_error): Likewise.
	* io/unix.c (yes, no, unknown): Change from const char *
	into const char [].


git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@104773 138bc75d-0d04-0410-961f-82ee72b054a4

10 files changed, 38 insertions, 20 deletions

diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 3f75f617151..fa76b5ef039 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,21 @@
+2005-09-29  Jakub Jelinek  <jakub@redhat.com>
+
+	* runtime/string.c (find_option): Change 3rd argument to
+	const st_option *.
+	* libgfortran.h (find_option): Likewise.
+	* runtime/environ.c (rounding, precision, signal_choices): Constify.
+	(init_choice, show_choice): Change 2nd argument to const choice *.
+	* io/open.c (access_opt, action_opt, blank_opt, delim_opt, form_opt,
+	position_opt, status_opt, pad_opt): Constify.
+	* io/transfer.c (advance_opt): Likewise.
+	* io/inquire.c (undefined): Likewise.
+	* io/close.c (status_opt): Likewise.
+	* io/format.c (posint_required, period_required, nonneg_required,
+	unexpected_element, unexpected_end, bad_string, bad_hollerith,
+	reversion_error): Likewise.
+	* io/unix.c (yes, no, unknown): Change from const char *
+	into const char [].
+
 2005-09-27  Steve Ellcey  <sje@cup.hp.com>
 
 	PR target/23552
diff --git a/libgfortran/io/close.c b/libgfortran/io/close.c
index 3abacebbc39..dcb18095004 100644
--- a/libgfortran/io/close.c
+++ b/libgfortran/io/close.c
@@ -36,7 +36,7 @@ typedef enum
 { CLOSE_DELETE, CLOSE_KEEP, CLOSE_UNSPECIFIED }
 close_status;
 
-static st_option status_opt[] = {
+static const st_option status_opt[] = {
   {"keep", CLOSE_KEEP},
   {"delete", CLOSE_DELETE},
   {NULL, 0}
diff --git a/libgfortran/io/format.c b/libgfortran/io/format.c
index 3f7091e66d0..e714e3bc2ad 100644
--- a/libgfortran/io/format.c
+++ b/libgfortran/io/format.c
@@ -61,7 +61,7 @@ static fnode colon_node = { FMT_COLON, 0, NULL, NULL, {{ 0, 0, 0 }}, 0,
 
 /* Error messages */
 
-static char posint_required[] = "Positive width required in format",
+static const char posint_required[] = "Positive width required in format",
   period_required[] = "Period required in format",
   nonneg_required[] = "Nonnegative width required in format",
   unexpected_element[] = "Unexpected element in format",
diff --git a/libgfortran/io/inquire.c b/libgfortran/io/inquire.c
index 31f1ad18b02..56f466e3d0a 100644
--- a/libgfortran/io/inquire.c
+++ b/libgfortran/io/inquire.c
@@ -35,7 +35,7 @@ Boston, MA 02110-1301, USA.  */
 #include "io.h"
 
 
-static char undefined[] = "UNDEFINED";
+static const char undefined[] = "UNDEFINED";
 
 
 /* inquire_via_unit()-- Inquiry via unit number.  The unit might not exist. */
diff --git a/libgfortran/io/open.c b/libgfortran/io/open.c
index 333ac6f8436..82d5a355e0d 100644
--- a/libgfortran/io/open.c
+++ b/libgfortran/io/open.c
@@ -36,13 +36,13 @@ Boston, MA 02110-1301, USA.  */
 #include "io.h"
 
 
-static st_option access_opt[] = {
+static const st_option access_opt[] = {
   {"sequential", ACCESS_SEQUENTIAL},
   {"direct", ACCESS_DIRECT},
   {NULL, 0}
 };
 
-static st_option action_opt[] =
+static const st_option action_opt[] =
 {
   { "read", ACTION_READ},
   { "write", ACTION_WRITE},
@@ -50,14 +50,14 @@ static st_option action_opt[] =
   { NULL, 0}
 };
 
-static st_option blank_opt[] =
+static const st_option blank_opt[] =
 {
   { "null", BLANK_NULL},
   { "zero", BLANK_ZERO},
   { NULL, 0}
 };
 
-static st_option delim_opt[] =
+static const st_option delim_opt[] =
 {
   { "none", DELIM_NONE},
   { "apostrophe", DELIM_APOSTROPHE},
@@ -65,14 +65,14 @@ static st_option delim_opt[] =
   { NULL, 0}
 };
 
-static st_option form_opt[] =
+static const st_option form_opt[] =
 {
   { "formatted", FORM_FORMATTED},
   { "unformatted", FORM_UNFORMATTED},
   { NULL, 0}
 };
 
-static st_option position_opt[] =
+static const st_option position_opt[] =
 {
   { "asis", POSITION_ASIS},
   { "rewind", POSITION_REWIND},
@@ -80,7 +80,7 @@ static st_option position_opt[] =
   { NULL, 0}
 };
 
-static st_option status_opt[] =
+static const st_option status_opt[] =
 {
   { "unknown", STATUS_UNKNOWN},
   { "old", STATUS_OLD},
@@ -90,7 +90,7 @@ static st_option status_opt[] =
   { NULL, 0}
 };
 
-static st_option pad_opt[] =
+static const st_option pad_opt[] =
 {
   { "yes", PAD_YES},
   { "no", PAD_NO},
diff --git a/libgfortran/io/transfer.c b/libgfortran/io/transfer.c
index ca9246b89f7..06c5a98106e 100644
--- a/libgfortran/io/transfer.c
+++ b/libgfortran/io/transfer.c
@@ -97,7 +97,7 @@ static char *line_buffer = NULL;
 
 static unit_advance advance_status;
 
-static st_option advance_opt[] = {
+static const st_option advance_opt[] = {
   {"yes", ADVANCE_YES},
   {"no", ADVANCE_NO},
   {NULL, 0}
diff --git a/libgfortran/io/unix.c b/libgfortran/io/unix.c
index e402f4432c9..4966726f830 100644
--- a/libgfortran/io/unix.c
+++ b/libgfortran/io/unix.c
@@ -1197,7 +1197,7 @@ file_exists (void)
 
 
 
-static const char *yes = "YES", *no = "NO", *unknown = "UNKNOWN";
+static const char yes[] = "YES", no[] = "NO", unknown[] = "UNKNOWN";
 
 /* inquire_sequential()-- Given a fortran string, determine if the
  * file is suitable for sequential access.  Returns a C-style
diff --git a/libgfortran/libgfortran.h b/libgfortran/libgfortran.h
index 191d8d48070..ba8261de4e4 100644
--- a/libgfortran/libgfortran.h
+++ b/libgfortran/libgfortran.h
@@ -478,7 +478,7 @@ internal_proto(show_variables);
 
 /* string.c */
 
-extern int find_option (const char *, int, st_option *, const char *);
+extern int find_option (const char *, int, const st_option *, const char *);
 internal_proto(find_option);
 
 extern int fstrlen (const char *, int);
diff --git a/libgfortran/runtime/environ.c b/libgfortran/runtime/environ.c
index 66222bfd2f7..e86f2ce5b5c 100644
--- a/libgfortran/runtime/environ.c
+++ b/libgfortran/runtime/environ.c
@@ -356,7 +356,7 @@ choice;
 enum
 { FP_ROUND_NEAREST, FP_ROUND_UP, FP_ROUND_DOWN, FP_ROUND_ZERO };
 
-static choice rounding[] = {
+static const choice rounding[] = {
   {"NEAREST", FP_ROUND_NEAREST},
   {"UP", FP_ROUND_UP},
   {"DOWN", FP_ROUND_DOWN},
@@ -364,7 +364,7 @@ static choice rounding[] = {
   {NULL, 0}
 };
 
-static choice precision[] =
+static const choice precision[] =
 {
   { "24", 1},
   { "53", 2},
@@ -372,7 +372,7 @@ static choice precision[] =
   { NULL, 0}
 };
 
-static choice signal_choices[] =
+static const choice signal_choices[] =
 {
   { "IGNORE", 1},
   { "ABORT", 0},
@@ -381,7 +381,7 @@ static choice signal_choices[] =
 
 
 static void
-init_choice (variable * v, choice * c)
+init_choice (variable * v, const choice * c)
 {
   char *p;
 
@@ -408,7 +408,7 @@ init_choice (variable * v, choice * c)
 
 
 static void
-show_choice (variable * v, choice * c)
+show_choice (variable * v, const choice * c)
 {
   st_printf ("%s  ", var_source (v));
 
diff --git a/libgfortran/runtime/string.c b/libgfortran/runtime/string.c
index 5284b2fc8a9..d7963b7498b 100644
--- a/libgfortran/runtime/string.c
+++ b/libgfortran/runtime/string.c
@@ -104,7 +104,7 @@ cf_strcpy (char *dest, int dest_len, const char *src)
    if no default is provided.  */
 
 int
-find_option (const char *s1, int s1_len, st_option * opts,
+find_option (const char *s1, int s1_len, const st_option * opts,
 	     const char *error_message)
 {
   for (; opts->name; opts++)