+2008-05-14 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ * libgfortran.h (gfc_char4_t): New type.
+ (GFC_SIZE_OF_CHAR_KIND): New macro.
+ (compare_string): Adjust prototype.
+ (compare_string_char4): New prototype.
+ * gfortran.map (GFORTRAN_1.1): Add _gfortran_adjustl_char4,
+ _gfortran_adjustr_char4, _gfortran_compare_string_char4,
+ _gfortran_concat_string_char4, _gfortran_string_index_char4,
+ _gfortran_string_len_trim_char4, _gfortran_string_minmax_char4,
+ _gfortran_string_scan_char4, _gfortran_string_trim_char4 and
+ _gfortran_string_verify_char4.
+ * intrinsics/string_intrinsics_inc.c: New file from content of
+ string_intrinsics.c with types replaced by macros.
+ * intrinsics/string_intrinsics.c: Move content to
+ string_intrinsics_inc.c.
+
2008-05-11 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/36202
_gfortran_erfc_scaled_r16;
_gfortran_selected_char_kind;
_gfortran_st_wait;
+ _gfortran_adjustl_char4;
+ _gfortran_adjustr_char4;
+ _gfortran_compare_string_char4;
+ _gfortran_concat_string_char4;
+ _gfortran_string_index_char4;
+ _gfortran_string_len_trim_char4;
+ _gfortran_string_minmax_char4;
+ _gfortran_string_scan_char4;
+ _gfortran_string_trim_char4;
+ _gfortran_string_verify_char4;
} GFORTRAN_1.0;
F2C_1.0 {
/* String intrinsics helper functions.
- Copyright 2002, 2005, 2007 Free Software Foundation, Inc.
- Contributed by Paul Brook <paul@nowt.org>
+ Copyright 2008 Free Software Foundation, Inc.
-This file is part of the GNU Fortran 95 runtime library (libgfortran).
+This file is part of the GNU Fortran runtime library (libgfortran).
Libgfortran is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
#include <string.h>
-/* String functions. */
+/* Helper function to set parts of wide strings to a constant (usually
+ spaces). */
-extern void concat_string (GFC_INTEGER_4, char *,
- GFC_INTEGER_4, const char *,
- GFC_INTEGER_4, const char *);
-export_proto(concat_string);
-
-extern GFC_INTEGER_4 string_len_trim (GFC_INTEGER_4, const char *);
-export_proto(string_len_trim);
-
-extern void adjustl (char *, GFC_INTEGER_4, const char *);
-export_proto(adjustl);
-
-extern void adjustr (char *, GFC_INTEGER_4, const char *);
-export_proto(adjustr);
-
-extern GFC_INTEGER_4 string_index (GFC_INTEGER_4, const char *, GFC_INTEGER_4,
- const char *, GFC_LOGICAL_4);
-export_proto(string_index);
-
-extern GFC_INTEGER_4 string_scan (GFC_INTEGER_4, const char *, GFC_INTEGER_4,
- const char *, GFC_LOGICAL_4);
-export_proto(string_scan);
-
-extern GFC_INTEGER_4 string_verify (GFC_INTEGER_4, const char *, GFC_INTEGER_4,
- const char *, GFC_LOGICAL_4);
-export_proto(string_verify);
-
-extern void string_trim (GFC_INTEGER_4 *, void **, GFC_INTEGER_4, const char *);
-export_proto(string_trim);
-
-extern void string_minmax (GFC_INTEGER_4 *, void **, int, int, ...);
-export_proto(string_minmax);
-
-
-/* Use for functions which can return a zero-length string. */
-static char zero_length_string = '\0';
-
-
-/* Strings of unequal length are extended with pad characters. */
-
-int
-compare_string (GFC_INTEGER_4 len1, const char * s1,
- GFC_INTEGER_4 len2, const char * s2)
-{
- int res;
- const unsigned char *s;
- int len;
-
- res = memcmp (s1, s2, (len1 < len2) ? len1 : len2);
- if (res != 0)
- return res;
-
- if (len1 == len2)
- return 0;
-
- if (len1 < len2)
- {
- len = len2 - len1;
- s = (unsigned char *) &s2[len1];
- res = -1;
- }
- else
- {
- len = len1 - len2;
- s = (unsigned char *) &s1[len2];
- res = 1;
- }
-
- while (len--)
- {
- if (*s != ' ')
- {
- if (*s > ' ')
- return res;
- else
- return -res;
- }
- s++;
- }
-
- return 0;
-}
-iexport(compare_string);
-
-
-/* The destination and source should not overlap. */
-
-void
-concat_string (GFC_INTEGER_4 destlen, char * dest,
- GFC_INTEGER_4 len1, const char * s1,
- GFC_INTEGER_4 len2, const char * s2)
-{
- if (len1 >= destlen)
- {
- memcpy (dest, s1, destlen);
- return;
- }
- memcpy (dest, s1, len1);
- dest += len1;
- destlen -= len1;
-
- if (len2 >= destlen)
- {
- memcpy (dest, s2, destlen);
- return;
- }
-
- memcpy (dest, s2, len2);
- memset (&dest[len2], ' ', destlen - len2);
-}
-
-
-/* Return string with all trailing blanks removed. */
-
-void
-string_trim (GFC_INTEGER_4 * len, void ** dest, GFC_INTEGER_4 slen,
- const char * src)
-{
- int i;
-
- /* Determine length of result string. */
- for (i = slen - 1; i >= 0; i--)
- {
- if (src[i] != ' ')
- break;
- }
- *len = i + 1;
-
- if (*len == 0)
- *dest = &zero_length_string;
- else
- {
- /* Allocate space for result string. */
- *dest = internal_malloc_size (*len);
-
- /* Copy string if necessary. */
- memmove (*dest, src, *len);
- }
-}
-
-
-/* The length of a string not including trailing blanks. */
-
-GFC_INTEGER_4
-string_len_trim (GFC_INTEGER_4 len, const char * s)
-{
- int i;
-
- for (i = len - 1; i >= 0; i--)
- {
- if (s[i] != ' ')
- break;
- }
- return i + 1;
-}
-
-
-/* Find a substring within a string. */
-
-GFC_INTEGER_4
-string_index (GFC_INTEGER_4 slen, const char * str, GFC_INTEGER_4 sslen,
- const char * sstr, GFC_LOGICAL_4 back)
-{
- int start;
- int last;
- int i;
- int delta;
-
- if (sslen == 0)
- return 1;
-
- if (sslen > slen)
- return 0;
-
- if (!back)
- {
- last = slen + 1 - sslen;
- start = 0;
- delta = 1;
- }
- else
- {
- last = -1;
- start = slen - sslen;
- delta = -1;
- }
- i = 0;
- for (; start != last; start+= delta)
- {
- for (i = 0; i < sslen; i++)
- {
- if (str[start + i] != sstr[i])
- break;
- }
- if (i == sslen)
- return (start + 1);
- }
- return 0;
-}
-
-
-/* Remove leading blanks from a string, padding at end. The src and dest
- should not overlap. */
-
-void
-adjustl (char *dest, GFC_INTEGER_4 len, const char *src)
-{
- int i;
-
- i = 0;
- while (i<len && src[i] == ' ')
- i++;
-
- if (i < len)
- memcpy (dest, &src[i], len - i);
- if (i > 0)
- memset (&dest[len - i], ' ', i);
-}
-
-
-/* Remove trailing blanks from a string. */
-
-void
-adjustr (char *dest, GFC_INTEGER_4 len, const char *src)
-{
- int i;
-
- i = len;
- while (i > 0 && src[i - 1] == ' ')
- i--;
-
- if (i < len)
- memset (dest, ' ', len - i);
- memcpy (dest + (len - i), src, i );
-}
-
-
-/* Scan a string for any one of the characters in a set of characters. */
-
-GFC_INTEGER_4
-string_scan (GFC_INTEGER_4 slen, const char * str, GFC_INTEGER_4 setlen,
- const char * set, GFC_LOGICAL_4 back)
-{
- int i, j;
-
- if (slen == 0 || setlen == 0)
- return 0;
-
- if (back)
- {
- for (i = slen - 1; i >= 0; i--)
- {
- for (j = 0; j < setlen; j++)
- {
- if (str[i] == set[j])
- return (i + 1);
- }
- }
- }
- else
- {
- for (i = 0; i < slen; i++)
- {
- for (j = 0; j < setlen; j++)
- {
- if (str[i] == set[j])
- return (i + 1);
- }
- }
- }
-
- return 0;
-}
-
-
-/* Verify that a set of characters contains all the characters in a
- string by identifying the position of the first character in a
- characters that does not appear in a given set of characters. */
-
-GFC_INTEGER_4
-string_verify (GFC_INTEGER_4 slen, const char * str, GFC_INTEGER_4 setlen,
- const char * set, GFC_LOGICAL_4 back)
+static gfc_char4_t *
+memset_char4 (gfc_char4_t *b, gfc_char4_t c, size_t len)
{
- int start;
- int last;
- int i;
- int delta;
-
- if (slen == 0)
- return 0;
+ size_t i;
- if (back)
- {
- last = -1;
- start = slen - 1;
- delta = -1;
- }
- else
- {
- last = slen;
- start = 0;
- delta = 1;
- }
- for (; start != last; start += delta)
- {
- for (i = 0; i < setlen; i++)
- {
- if (str[start] == set[i])
- break;
- }
- if (i == setlen)
- return (start + 1);
- }
+ for (i = 0; i < len; i++)
+ b[i] = c;
- return 0;
+ return b;
}
-/* MIN and MAX intrinsics for strings. The front-end makes sure that
- nargs is at least 2. */
+/* All other functions are defined using a few generic macros in
+ string_intrinsics_inc.c, so we avoid code duplication between the
+ various character type kinds. */
-void
-string_minmax (GFC_INTEGER_4 *rlen, void **dest, int op, int nargs, ...)
-{
- va_list ap;
- int i;
- char * next, * res;
- GFC_INTEGER_4 nextlen, reslen;
-
- va_start (ap, nargs);
- reslen = va_arg (ap, GFC_INTEGER_4);
- res = va_arg (ap, char *);
- *rlen = reslen;
-
- if (res == NULL)
- runtime_error ("First argument of '%s' intrinsic should be present",
- op > 0 ? "MAX" : "MIN");
+#undef CHARTYPE
+#define CHARTYPE char
+#undef UCHARTYPE
+#define UCHARTYPE unsigned char
+#undef SUFFIX
+#define SUFFIX(x) x
+#undef MEMSET
+#define MEMSET memset
- for (i = 1; i < nargs; i++)
- {
- nextlen = va_arg (ap, GFC_INTEGER_4);
- next = va_arg (ap, char *);
+#include "string_intrinsics_inc.c"
- if (next == NULL)
- {
- if (i == 1)
- runtime_error ("Second argument of '%s' intrinsic should be "
- "present", op > 0 ? "MAX" : "MIN");
- else
- continue;
- }
+#undef CHARTYPE
+#define CHARTYPE gfc_char4_t
+#undef UCHARTYPE
+#define UCHARTYPE gfc_char4_t
+#undef SUFFIX
+#define SUFFIX(x) x ## _char4
+#undef MEMSET
+#define MEMSET memset_char4
- if (nextlen > *rlen)
- *rlen = nextlen;
+#include "string_intrinsics_inc.c"
- if (op * compare_string (reslen, res, nextlen, next) < 0)
- {
- reslen = nextlen;
- res = next;
- }
- }
- va_end (ap);
-
- if (*rlen == 0)
- *dest = &zero_length_string;
- else
- {
- char * tmp = internal_malloc_size (*rlen);
- memcpy (tmp, res, reslen);
- memset (&tmp[reslen], ' ', *rlen - reslen);
- *dest = tmp;
- }
-}
--- /dev/null
+/* String intrinsics helper functions.
+ Copyright 2002, 2005, 2007, 2008 Free Software Foundation, Inc.
+
+This file is part of the GNU Fortran runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file. (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public
+License along with libgfortran; see the file COPYING. If not,
+write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
+
+
+/* Rename the functions. */
+#define concat_string SUFFIX(concat_string)
+#define string_len_trim SUFFIX(string_len_trim)
+#define adjustl SUFFIX(adjustl)
+#define adjustr SUFFIX(adjustr)
+#define string_index SUFFIX(string_index)
+#define string_scan SUFFIX(string_scan)
+#define string_verify SUFFIX(string_verify)
+#define string_trim SUFFIX(string_trim)
+#define string_minmax SUFFIX(string_minmax)
+#define zero_length_string SUFFIX(zero_length_string)
+#define compare_string SUFFIX(compare_string)
+
+
+/* The prototypes. */
+
+extern void concat_string (gfc_charlen_type, CHARTYPE *,
+ gfc_charlen_type, const CHARTYPE *,
+ gfc_charlen_type, const CHARTYPE *);
+export_proto(concat_string);
+
+extern gfc_charlen_type string_len_trim (gfc_charlen_type, const CHARTYPE *);
+export_proto(string_len_trim);
+
+extern void adjustl (CHARTYPE *, gfc_charlen_type, const CHARTYPE *);
+export_proto(adjustl);
+
+extern void adjustr (CHARTYPE *, gfc_charlen_type, const CHARTYPE *);
+export_proto(adjustr);
+
+extern gfc_charlen_type string_index (gfc_charlen_type, const CHARTYPE *,
+ gfc_charlen_type, const CHARTYPE *,
+ GFC_LOGICAL_4);
+export_proto(string_index);
+
+extern gfc_charlen_type string_scan (gfc_charlen_type, const CHARTYPE *,
+ gfc_charlen_type, const CHARTYPE *,
+ GFC_LOGICAL_4);
+export_proto(string_scan);
+
+extern gfc_charlen_type string_verify (gfc_charlen_type, const CHARTYPE *,
+ gfc_charlen_type, const CHARTYPE *,
+ GFC_LOGICAL_4);
+export_proto(string_verify);
+
+extern void string_trim (gfc_charlen_type *, CHARTYPE **, gfc_charlen_type,
+ const CHARTYPE *);
+export_proto(string_trim);
+
+extern void string_minmax (gfc_charlen_type *, CHARTYPE **, int, int, ...);
+export_proto(string_minmax);
+
+
+/* Use for functions which can return a zero-length string. */
+static CHARTYPE zero_length_string = 0;
+
+
+/* Strings of unequal length are extended with pad characters. */
+
+int
+compare_string (gfc_charlen_type len1, const CHARTYPE *s1,
+ gfc_charlen_type len2, const CHARTYPE *s2)
+{
+ const UCHARTYPE *s;
+ gfc_charlen_type len;
+ int res;
+
+ res = memcmp (s1, s2, ((len1 < len2) ? len1 : len2) * sizeof (CHARTYPE));
+ if (res != 0)
+ return res;
+
+ if (len1 == len2)
+ return 0;
+
+ if (len1 < len2)
+ {
+ len = len2 - len1;
+ s = (UCHARTYPE *) &s2[len1];
+ res = -1;
+ }
+ else
+ {
+ len = len1 - len2;
+ s = (UCHARTYPE *) &s1[len2];
+ res = 1;
+ }
+
+ while (len--)
+ {
+ if (*s != ' ')
+ {
+ if (*s > ' ')
+ return res;
+ else
+ return -res;
+ }
+ s++;
+ }
+
+ return 0;
+}
+iexport(compare_string);
+
+
+/* The destination and source should not overlap. */
+
+void
+concat_string (gfc_charlen_type destlen, CHARTYPE * dest,
+ gfc_charlen_type len1, const CHARTYPE * s1,
+ gfc_charlen_type len2, const CHARTYPE * s2)
+{
+ if (len1 >= destlen)
+ {
+ memcpy (dest, s1, destlen * sizeof (CHARTYPE));
+ return;
+ }
+ memcpy (dest, s1, len1 * sizeof (CHARTYPE));
+ dest += len1;
+ destlen -= len1;
+
+ if (len2 >= destlen)
+ {
+ memcpy (dest, s2, destlen * sizeof (CHARTYPE));
+ return;
+ }
+
+ memcpy (dest, s2, len2 * sizeof (CHARTYPE));
+ MEMSET (&dest[len2], ' ', destlen - len2);
+}
+
+
+/* Return string with all trailing blanks removed. */
+
+void
+string_trim (gfc_charlen_type *len, CHARTYPE **dest, gfc_charlen_type slen,
+ const CHARTYPE *src)
+{
+ gfc_charlen_type i;
+
+ /* Determine length of result string. */
+ for (i = slen - 1; i >= 0; i--)
+ {
+ if (src[i] != ' ')
+ break;
+ }
+ *len = i + 1;
+
+ if (*len == 0)
+ *dest = &zero_length_string;
+ else
+ {
+ /* Allocate space for result string. */
+ *dest = internal_malloc_size (*len * sizeof (CHARTYPE));
+
+ /* Copy string if necessary. */
+ memcpy (*dest, src, *len * sizeof (CHARTYPE));
+ }
+}
+
+
+/* The length of a string not including trailing blanks. */
+
+gfc_charlen_type
+string_len_trim (gfc_charlen_type len, const CHARTYPE *s)
+{
+ gfc_charlen_type i;
+
+ for (i = len - 1; i >= 0; i--)
+ {
+ if (s[i] != ' ')
+ break;
+ }
+ return i + 1;
+}
+
+
+/* Find a substring within a string. */
+
+gfc_charlen_type
+string_index (gfc_charlen_type slen, const CHARTYPE *str,
+ gfc_charlen_type sslen, const CHARTYPE *sstr,
+ GFC_LOGICAL_4 back)
+{
+ gfc_charlen_type start, last, delta, i;
+
+ if (sslen == 0)
+ return 1;
+
+ if (sslen > slen)
+ return 0;
+
+ if (!back)
+ {
+ last = slen + 1 - sslen;
+ start = 0;
+ delta = 1;
+ }
+ else
+ {
+ last = -1;
+ start = slen - sslen;
+ delta = -1;
+ }
+
+ for (; start != last; start+= delta)
+ {
+ for (i = 0; i < sslen; i++)
+ {
+ if (str[start + i] != sstr[i])
+ break;
+ }
+ if (i == sslen)
+ return (start + 1);
+ }
+ return 0;
+}
+
+
+/* Remove leading blanks from a string, padding at end. The src and dest
+ should not overlap. */
+
+void
+adjustl (CHARTYPE *dest, gfc_charlen_type len, const CHARTYPE *src)
+{
+ gfc_charlen_type i;
+
+ i = 0;
+ while (i < len && src[i] == ' ')
+ i++;
+
+ if (i < len)
+ memcpy (dest, &src[i], (len - i) * sizeof (CHARTYPE));
+ if (i > 0)
+ MEMSET (&dest[len - i], ' ', i);
+}
+
+
+/* Remove trailing blanks from a string. */
+
+void
+adjustr (CHARTYPE *dest, gfc_charlen_type len, const CHARTYPE *src)
+{
+ gfc_charlen_type i;
+
+ i = len;
+ while (i > 0 && src[i - 1] == ' ')
+ i--;
+
+ if (i < len)
+ MEMSET (dest, ' ', len - i);
+ memcpy (&dest[len - i], src, i * sizeof (CHARTYPE));
+}
+
+
+/* Scan a string for any one of the characters in a set of characters. */
+
+gfc_charlen_type
+string_scan (gfc_charlen_type slen, const CHARTYPE *str,
+ gfc_charlen_type setlen, const CHARTYPE *set, GFC_LOGICAL_4 back)
+{
+ gfc_charlen_type i, j;
+
+ if (slen == 0 || setlen == 0)
+ return 0;
+
+ if (back)
+ {
+ for (i = slen - 1; i >= 0; i--)
+ {
+ for (j = 0; j < setlen; j++)
+ {
+ if (str[i] == set[j])
+ return (i + 1);
+ }
+ }
+ }
+ else
+ {
+ for (i = 0; i < slen; i++)
+ {
+ for (j = 0; j < setlen; j++)
+ {
+ if (str[i] == set[j])
+ return (i + 1);
+ }
+ }
+ }
+
+ return 0;
+}
+
+
+/* Verify that a set of characters contains all the characters in a
+ string by identifying the position of the first character in a
+ characters that does not appear in a given set of characters. */
+
+gfc_charlen_type
+string_verify (gfc_charlen_type slen, const CHARTYPE *str,
+ gfc_charlen_type setlen, const CHARTYPE *set,
+ GFC_LOGICAL_4 back)
+{
+ gfc_charlen_type start, last, delta, i;
+
+ if (slen == 0)
+ return 0;
+
+ if (back)
+ {
+ last = -1;
+ start = slen - 1;
+ delta = -1;
+ }
+ else
+ {
+ last = slen;
+ start = 0;
+ delta = 1;
+ }
+ for (; start != last; start += delta)
+ {
+ for (i = 0; i < setlen; i++)
+ {
+ if (str[start] == set[i])
+ break;
+ }
+ if (i == setlen)
+ return (start + 1);
+ }
+
+ return 0;
+}
+
+
+/* MIN and MAX intrinsics for strings. The front-end makes sure that
+ nargs is at least 2. */
+
+void
+string_minmax (gfc_charlen_type *rlen, CHARTYPE **dest, int op, int nargs, ...)
+{
+ va_list ap;
+ int i;
+ CHARTYPE *next, *res;
+ gfc_charlen_type nextlen, reslen;
+
+ va_start (ap, nargs);
+ reslen = va_arg (ap, gfc_charlen_type);
+ res = va_arg (ap, CHARTYPE *);
+ *rlen = reslen;
+
+ if (res == NULL)
+ runtime_error ("First argument of '%s' intrinsic should be present",
+ op > 0 ? "MAX" : "MIN");
+
+ for (i = 1; i < nargs; i++)
+ {
+ nextlen = va_arg (ap, gfc_charlen_type);
+ next = va_arg (ap, CHARTYPE *);
+
+ if (next == NULL)
+ {
+ if (i == 1)
+ runtime_error ("Second argument of '%s' intrinsic should be "
+ "present", op > 0 ? "MAX" : "MIN");
+ else
+ continue;
+ }
+
+ if (nextlen > *rlen)
+ *rlen = nextlen;
+
+ if (op * compare_string (reslen, res, nextlen, next) < 0)
+ {
+ reslen = nextlen;
+ res = next;
+ }
+ }
+ va_end (ap);
+
+ if (*rlen == 0)
+ *dest = &zero_length_string;
+ else
+ {
+ CHARTYPE *tmp = internal_malloc_size (*rlen * sizeof (CHARTYPE));
+ memcpy (tmp, res, reslen * sizeof (CHARTYPE));
+ MEMSET (&tmp[reslen], ' ', *rlen - reslen);
+ *dest = tmp;
+ }
+}
by the compiler. */
/* The type used of array indices, amongst other things. */
typedef ssize_t index_type;
+
/* The type used for the lengths of character variables. */
typedef GFC_INTEGER_4 gfc_charlen_type;
+/* Definitions of CHARACTER data types:
+ - CHARACTER(KIND=1) corresponds to the C char type,
+ - CHARACTER(KIND=4) corresponds to an unsigned 32-bit integer. */
+typedef GFC_UINTEGER_4 gfc_char4_t;
+
+/* Byte size of character kinds. For the kinds currently supported, it's
+ simply equal to the kind parameter itself. */
+#define GFC_SIZE_OF_CHAR_KIND(kind) (kind)
+
+
/* This will be 0 on little-endian machines and one on big-endian machines. */
extern int l8_to_l4_offset;
internal_proto(l8_to_l4_offset);
/* string_intrinsics.c */
-extern int compare_string (GFC_INTEGER_4, const char *,
- GFC_INTEGER_4, const char *);
+extern int compare_string (gfc_charlen_type, const char *,
+ gfc_charlen_type, const char *);
iexport_proto(compare_string);
+extern int compare_string_char4 (gfc_charlen_type, const gfc_char4_t *,
+ gfc_charlen_type, const gfc_char4_t *);
+iexport_proto(compare_string_char4);
+
/* random.c */
extern void random_seed_i4 (GFC_INTEGER_4 * size, gfc_array_i4 * put,
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