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-rw-r--r--gl/lib/xdectoimax.c6
-rw-r--r--gl/lib/xdectoint.c85
-rw-r--r--gl/lib/xdectoint.h36
-rw-r--r--gl/lib/xdectoumax.c6
-rw-r--r--gl/modules/xdectoint29
5 files changed, 162 insertions, 0 deletions
diff --git a/gl/lib/xdectoimax.c b/gl/lib/xdectoimax.c
new file mode 100644
index 000000000..d4bb18fa1
--- /dev/null
+++ b/gl/lib/xdectoimax.c
@@ -0,0 +1,6 @@
+#define __xdectoint xdectoimax
+#define __xnumtoint xnumtoimax
+#define __xdectoint_t intmax_t
+#define __xstrtol xstrtoimax
+#define __xdectoint_signed 1
+#include "xdectoint.c"
diff --git a/gl/lib/xdectoint.c b/gl/lib/xdectoint.c
new file mode 100644
index 000000000..2164d1ef4
--- /dev/null
+++ b/gl/lib/xdectoint.c
@@ -0,0 +1,85 @@
+/* Convert decimal strings with bounds checking and exit on error.
+
+ Copyright (C) 2014 Free Software Foundation, Inc.
+
+ This program 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 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include "xdectoint.h"
+
+#include <errno.h>
+#include <inttypes.h>
+#include <stdlib.h>
+
+#include "error.h"
+#include "quote.h"
+#include "xstrtol.h"
+
+/* Parse numeric string N_STR of base BASE, and return the value.
+ Exit on parse error or if MIN or MAX are exceeded.
+ Strings can have multiplicative SUFFIXES if specified.
+ ERR is printed along with N_STR on error. */
+
+__xdectoint_t
+__xnumtoint (const char *n_str, int base, __xdectoint_t min, __xdectoint_t max,
+ const char *suffixes, const char *err, int err_exit)
+{
+ strtol_error s_err;
+
+ __xdectoint_t tnum;
+ s_err = __xstrtol (n_str, NULL, base, &tnum, suffixes);
+
+ if (s_err == LONGINT_OK)
+ {
+ if (tnum < min || max < tnum)
+ {
+ s_err = LONGINT_OVERFLOW;
+ /* Use have the INT range as a heuristic to distinguish
+ type overflow rather than other min/max limits. */
+ if (tnum > INT_MAX/2)
+ errno = EOVERFLOW;
+#if __xdectoint_signed
+ else if (tnum < INT_MIN/2)
+ errno = EOVERFLOW;
+#endif
+ else
+ errno = ERANGE;
+ }
+ }
+ else if (s_err == LONGINT_OVERFLOW)
+ errno = EOVERFLOW;
+ else if (s_err == LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW)
+ errno = 0; /* Don't show ERANGE errors for invalid numbers. */
+
+ if (s_err != LONGINT_OK)
+ {
+ error (err_exit ? err_exit : EXIT_FAILURE, errno,
+ "%s: %s", err, quote (n_str));
+ }
+
+ return tnum;
+}
+
+/* Parse decimal string N_STR, and return the value.
+ Exit on parse error or if MIN or MAX are exceeded.
+ Strings can have multiplicative SUFFIXES if specified.
+ ERR is printed along with N_STR on error. */
+
+__xdectoint_t
+__xdectoint (const char *n_str, __xdectoint_t min, __xdectoint_t max,
+ const char *suffixes, const char *err, int err_exit)
+{
+ return __xnumtoint (n_str, 10, min, max, suffixes, err, err_exit);
+}
diff --git a/gl/lib/xdectoint.h b/gl/lib/xdectoint.h
new file mode 100644
index 000000000..770e18571
--- /dev/null
+++ b/gl/lib/xdectoint.h
@@ -0,0 +1,36 @@
+/* Convert decimal strings with bounds checking and exit on error.
+
+ Copyright (C) 2014 Free Software Foundation, Inc.
+
+ This program 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 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef XDECTOINT_H_
+# define XDECTOINT_H_ 1
+
+# include <inttypes.h>
+
+# define _DECLARE_XDECTOINT(name, type) \
+ type name (const char *n_str, type min, type max, \
+ const char *suffixes, const char *err, int err_exit);
+# define _DECLARE_XNUMTOINT(name, type) \
+ type name (const char *n_str, int base, type min, type max, \
+ const char *suffixes, const char *err, int err_exit);
+
+_DECLARE_XDECTOINT (xdectoimax, intmax_t)
+_DECLARE_XDECTOINT (xdectoumax, uintmax_t)
+
+_DECLARE_XNUMTOINT (xnumtoimax, intmax_t)
+_DECLARE_XNUMTOINT (xnumtoumax, uintmax_t)
+
+#endif /* not XDECTOINT_H_ */
diff --git a/gl/lib/xdectoumax.c b/gl/lib/xdectoumax.c
new file mode 100644
index 000000000..412ddf962
--- /dev/null
+++ b/gl/lib/xdectoumax.c
@@ -0,0 +1,6 @@
+#define __xdectoint xdectoumax
+#define __xnumtoint xnumtoumax
+#define __xdectoint_t uintmax_t
+#define __xstrtol xstrtoumax
+#define __xdectoint_signed 0
+#include "xdectoint.c"
diff --git a/gl/modules/xdectoint b/gl/modules/xdectoint
new file mode 100644
index 000000000..cbd372666
--- /dev/null
+++ b/gl/modules/xdectoint
@@ -0,0 +1,29 @@
+Description:
+Convert decimal string to '[u]intmax_t', with bounds checking and exit on error
+
+Files:
+lib/xdectoint.h
+lib/xdectoint.c
+lib/xdectoimax.c
+lib/xdectoumax.c
+
+Depends-on:
+error
+errno
+quote
+xstrtoimax
+xstrtoumax
+
+configure.ac:
+
+Makefile.am:
+lib_SOURCES += xdectoimax.c xdectoumax.c
+
+Include:
+"xdectoint.h"
+
+License:
+GPL
+
+Maintainer:
+all