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authorIngo Schwarze <schwarze@openbsd.org>2015-02-16 14:56:22 +0000
committerIngo Schwarze <schwarze@openbsd.org>2015-02-16 14:56:22 +0000
commit5d9158d7307172c955a9a114726e0e2636f2da9b (patch)
treec06dc41881c6d48cc157e295fb1cc359d78a2a82
parent72d5f8b30454867ff67650d9d828d741044534d7 (diff)
downloadmandoc-5d9158d7307172c955a9a114726e0e2636f2da9b.tar.gz
strtonum(3) compat glue
-rw-r--r--LICENSE3
-rw-r--r--Makefile5
-rw-r--r--Makefile.depend4
-rw-r--r--compat_strtonum.c76
-rwxr-xr-xconfigure6
-rw-r--r--configure.local.example1
-rw-r--r--test-strtonum.c42
7 files changed, 134 insertions, 3 deletions
diff --git a/LICENSE b/LICENSE
index 4c21fef3..0525b55c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -9,8 +9,9 @@ Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org>
Copyright (c) 2009, 2010, 2011, 2012 Joerg Sonnenberger <joerg@netbsd.org>
Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
Copyright (c) 1999, 2004 Marc Espie <espie@openbsd.org>
-Copyright (c) 1998, 2010 Todd C. Miller <Todd.Miller@courtesan.com>
+Copyright (c) 1998, 2004, 2010 Todd C. Miller <Todd.Miller@courtesan.com>
Copyright (c) 2008 Otto Moerbeek <otto@drijf.net>
+Copyright (c) 2004 Ted Unangst <tedu@openbsd.org>
Copyright (c) 2003, 2007, 2008, 2014 Jason McIntyre <jmc@openbsd.org>
See the individual source files for information about who contributed
diff --git a/Makefile b/Makefile
index 46428339..3d9c7bbb 100644
--- a/Makefile
+++ b/Makefile
@@ -31,6 +31,7 @@ TESTSRCS = test-dirent-namlen.c \
test-strlcpy.c \
test-strptime.c \
test-strsep.c \
+ test-strtonum.c \
test-wchar.c
SRCS = att.c \
@@ -46,6 +47,7 @@ SRCS = att.c \
compat_strlcat.c \
compat_strlcpy.c \
compat_strsep.c \
+ compat_strtonum.c \
demandoc.c \
eqn.c \
eqn_html.c \
@@ -189,7 +191,8 @@ COMPAT_OBJS = compat_fgetln.o \
compat_strcasestr.o \
compat_strlcat.o \
compat_strlcpy.o \
- compat_strsep.o
+ compat_strsep.o \
+ compat_strtonum.o
MANDOC_HTML_OBJS = eqn_html.o \
html.o \
diff --git a/Makefile.depend b/Makefile.depend
index a61de19f..54af8bce 100644
--- a/Makefile.depend
+++ b/Makefile.depend
@@ -11,6 +11,7 @@ compat_strcasestr.o: compat_strcasestr.c config.h
compat_strlcat.o: compat_strlcat.c config.h
compat_strlcpy.o: compat_strlcpy.c config.h
compat_strsep.o: compat_strsep.c config.h
+compat_strtonum.o: compat_strtonum.c config.h
demandoc.o: demandoc.c config.h man.h mdoc.h mandoc.h
eqn.o: eqn.c config.h mandoc.h mandoc_aux.h libmandoc.h libroff.h
eqn_html.o: eqn_html.c config.h mandoc.h out.h html.h
@@ -39,7 +40,7 @@ mdoc_macro.o: mdoc_macro.c config.h mdoc.h mandoc.h libmdoc.h libmandoc.h
mdoc_man.o: mdoc_man.c config.h mandoc.h mandoc_aux.h out.h man.h mdoc.h main.h
mdoc_term.o: mdoc_term.c config.h mandoc.h mandoc_aux.h out.h term.h mdoc.h main.h
mdoc_validate.o: mdoc_validate.c config.h mdoc.h mandoc.h mandoc_aux.h libmdoc.h libmandoc.h
-msec.o: msec.c config.h libmandoc.h msec.in
+msec.o: msec.c config.h mandoc.h libmandoc.h msec.in
out.o: out.c config.h mandoc_aux.h mandoc.h out.h
preconv.o: preconv.c config.h mandoc.h libmandoc.h
read.o: read.c config.h mandoc.h mandoc_aux.h libmandoc.h mdoc.h man.h
@@ -69,4 +70,5 @@ test-strlcat.o: test-strlcat.c
test-strlcpy.o: test-strlcpy.c
test-strptime.o: test-strptime.c
test-strsep.o: test-strsep.c
+test-strtonum.o: test-strtonum.c
test-wchar.o: test-wchar.c
diff --git a/compat_strtonum.c b/compat_strtonum.c
new file mode 100644
index 00000000..75351582
--- /dev/null
+++ b/compat_strtonum.c
@@ -0,0 +1,76 @@
+#include "config.h"
+
+#if HAVE_STRTONUM
+
+int dummy;
+
+#else
+
+/* $Id$ */
+/* $OpenBSD: strtonum.c,v 1.7 2013/04/17 18:40:58 tedu Exp $ */
+
+/*
+ * Copyright (c) 2004 Ted Unangst and Todd Miller
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <errno.h>
+#include <limits.h>
+#include <stdlib.h>
+
+#define INVALID 1
+#define TOOSMALL 2
+#define TOOLARGE 3
+
+long long
+strtonum(const char *numstr, long long minval, long long maxval,
+ const char **errstrp)
+{
+ long long ll = 0;
+ int error = 0;
+ char *ep;
+ struct errval {
+ const char *errstr;
+ int err;
+ } ev[4] = {
+ { NULL, 0 },
+ { "invalid", EINVAL },
+ { "too small", ERANGE },
+ { "too large", ERANGE },
+ };
+
+ ev[0].err = errno;
+ errno = 0;
+ if (minval > maxval) {
+ error = INVALID;
+ } else {
+ ll = strtoll(numstr, &ep, 10);
+ if (numstr == ep || *ep != '\0')
+ error = INVALID;
+ else if ((ll == LLONG_MIN && errno == ERANGE) || ll < minval)
+ error = TOOSMALL;
+ else if ((ll == LLONG_MAX && errno == ERANGE) || ll > maxval)
+ error = TOOLARGE;
+ }
+ if (errstrp != NULL)
+ *errstrp = ev[error].errstr;
+ errno = ev[error].err;
+ if (error)
+ ll = 0;
+
+ return (ll);
+}
+
+#endif /* !HAVE_STRTONUM */
diff --git a/configure b/configure
index e7cb2e0b..c09fda16 100755
--- a/configure
+++ b/configure
@@ -56,6 +56,7 @@ HAVE_STRLCAT=
HAVE_STRLCPY=
HAVE_STRPTIME=
HAVE_STRSEP=
+HAVE_STRTONUM=
HAVE_WCHAR=
HAVE_SQLITE3=
@@ -177,6 +178,7 @@ runtest strlcat STRLCAT || true
runtest strlcpy STRLCPY || true
runtest strptime STRPTIME || true
runtest strsep STRSEP || true
+runtest strtonum STRTONUM || true
runtest wchar WCHAR || true
# --- sqlite3 ---
@@ -291,6 +293,7 @@ cat << __HEREDOC__
#define HAVE_STRLCPY ${HAVE_STRLCPY}
#define HAVE_STRPTIME ${HAVE_STRPTIME}
#define HAVE_STRSEP ${HAVE_STRSEP}
+#define HAVE_STRTONUM ${HAVE_STRTONUM}
#define HAVE_WCHAR ${HAVE_WCHAR}
#define HAVE_SQLITE3 ${HAVE_SQLITE3}
#define HAVE_SQLITE3_ERRSTR ${HAVE_SQLITE3_ERRSTR}
@@ -343,6 +346,9 @@ __HEREDOC__
[ ${HAVE_STRSEP} -eq 0 ] && \
echo "extern char *strsep(char **, const char *);"
+[ ${HAVE_STRTONUM} -eq 0 ] && \
+ echo "extern long long strtonum(const char *, long long, long long, const char **);"
+
echo
echo "#endif /* MANDOC_CONFIG_H */"
diff --git a/configure.local.example b/configure.local.example
index 4318ff79..b470fb0f 100644
--- a/configure.local.example
+++ b/configure.local.example
@@ -226,6 +226,7 @@ HAVE_STRLCAT=0
HAVE_STRLCPY=0
HAVE_STRPTIME=0
HAVE_STRSEP=0
+HAVE_STRTONUM=0
HAVE_SQLITE3=0
HAVE_SQLITE3_ERRSTR=0
diff --git a/test-strtonum.c b/test-strtonum.c
new file mode 100644
index 00000000..a336ea94
--- /dev/null
+++ b/test-strtonum.c
@@ -0,0 +1,42 @@
+/* $Id$ */
+/*
+ * Copyright (c) 2015 Ingo Schwarze <schwarze@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdlib.h>
+
+int
+main(void)
+{
+ const char *errstr;
+
+ if (strtonum("1", 0, 2, &errstr) != 1)
+ return(1);
+ if (errstr != NULL)
+ return(2);
+ if (strtonum("1x", 0, 2, &errstr) != 0)
+ return(3);
+ if (errstr == NULL)
+ return(4);
+ if (strtonum("2", 0, 1, &errstr) != 0)
+ return(5);
+ if (errstr == NULL)
+ return(6);
+ if (strtonum("0", 1, 2, &errstr) != 0)
+ return(7);
+ if (errstr == NULL)
+ return(8);
+ return(0);
+}