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authorunknown <tim@threads.polyesthetic.msg>2001-03-04 19:42:05 -0500
committerunknown <tim@threads.polyesthetic.msg>2001-03-04 19:42:05 -0500
commitec6ae091617bdfdca9e65e8d3e65b950d234f676 (patch)
tree9dd732e08dba156ee3d7635caedc0dc3107ecac6 /bdb/common/db_getlong.c
parent87d70fb598105b64b538ff6b81eef9da626255b1 (diff)
downloadmariadb-git-ec6ae091617bdfdca9e65e8d3e65b950d234f676.tar.gz
Import changeset
Diffstat (limited to 'bdb/common/db_getlong.c')
-rw-r--r--bdb/common/db_getlong.c159
1 files changed, 159 insertions, 0 deletions
diff --git a/bdb/common/db_getlong.c b/bdb/common/db_getlong.c
new file mode 100644
index 00000000000..bead530cd94
--- /dev/null
+++ b/bdb/common/db_getlong.c
@@ -0,0 +1,159 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1996, 1997, 1998, 1999, 2000
+ * Sleepycat Software. All rights reserved.
+ */
+
+#include "db_config.h"
+
+#ifndef lint
+static const char revid[] = "$Id: db_getlong.c,v 11.11 2000/12/22 19:16:04 bostic Exp $";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
+#endif
+
+#include "db_int.h"
+#include "clib_ext.h"
+
+/*
+ * __db_getlong --
+ * Return a long value inside of basic parameters.
+ *
+ * PUBLIC: int __db_getlong
+ * PUBLIC: __P((DB *, const char *, char *, long, long, long *));
+ */
+int
+__db_getlong(dbp, progname, p, min, max, storep)
+ DB *dbp;
+ const char *progname;
+ char *p;
+ long min, max, *storep;
+{
+ long val;
+ char *end;
+
+ __os_set_errno(0);
+ val = strtol(p, &end, 10);
+ if ((val == LONG_MIN || val == LONG_MAX) &&
+ __os_get_errno() == ERANGE) {
+ if (dbp == NULL) {
+ fprintf(stderr,
+ "%s: %s: %s\n", progname, p, strerror(ERANGE));
+ exit(1);
+ }
+ dbp->err(dbp, ERANGE, "%s", p);
+ return (1);
+ }
+ if (p[0] == '\0' || (end[0] != '\0' && end[0] != '\n')) {
+ if (dbp == NULL) {
+ fprintf(stderr,
+ "%s: %s: Invalid numeric argument\n", progname, p);
+ exit(1);
+ }
+ dbp->errx(dbp, "%s: Invalid numeric argument", p);
+ return (1);
+ }
+ if (val < min) {
+ if (dbp == NULL) {
+ fprintf(stderr,
+ "%s: %s: Less than minimum value (%ld)\n",
+ progname, p, min);
+ exit(1);
+ }
+ dbp->errx(dbp, "%s: Less than minimum value (%ld)", p, min);
+ return (1);
+ }
+ if (val > max) {
+ if (dbp == NULL) {
+ fprintf(stderr,
+ "%s: %s: Greater than maximum value (%ld)\n",
+ progname, p, max);
+ exit(1);
+ }
+ dbp->errx(dbp, "%s: Greater than maximum value (%ld)", p, max);
+ exit(1);
+ }
+ *storep = val;
+ return (0);
+}
+
+/*
+ * __db_getulong --
+ * Return an unsigned long value inside of basic parameters.
+ *
+ * PUBLIC: int __db_getulong
+ * PUBLIC: __P((DB *, const char *, char *, u_long, u_long, u_long *));
+ */
+int
+__db_getulong(dbp, progname, p, min, max, storep)
+ DB *dbp;
+ const char *progname;
+ char *p;
+ u_long min, max, *storep;
+{
+#if !defined(HAVE_STRTOUL)
+ COMPQUIET(min, 0);
+
+ return (__db_getlong(dbp, progname, p, 0, max, (long *)storep));
+#else
+ u_long val;
+ char *end;
+
+ __os_set_errno(0);
+ val = strtoul(p, &end, 10);
+ if (val == ULONG_MAX && __os_get_errno() == ERANGE) {
+ if (dbp == NULL) {
+ fprintf(stderr,
+ "%s: %s: %s\n", progname, p, strerror(ERANGE));
+ exit(1);
+ }
+ dbp->err(dbp, ERANGE, "%s", p);
+ return (1);
+ }
+ if (p[0] == '\0' || (end[0] != '\0' && end[0] != '\n')) {
+ if (dbp == NULL) {
+ fprintf(stderr,
+ "%s: %s: Invalid numeric argument\n", progname, p);
+ exit(1);
+ }
+ dbp->errx(dbp, "%s: Invalid numeric argument", p);
+ return (1);
+ }
+ if (val < min) {
+ if (dbp == NULL) {
+ fprintf(stderr,
+ "%s: %s: Less than minimum value (%ld)\n",
+ progname, p, min);
+ exit(1);
+ }
+ dbp->errx(dbp, "%s: Less than minimum value (%ld)", p, min);
+ return (1);
+ }
+
+ /*
+ * We allow a 0 to substitute as a max value for ULONG_MAX because
+ * 1) accepting only a 0 value is unlikely to be necessary, and 2)
+ * we don't want callers to have to use ULONG_MAX explicitly, as it
+ * may not exist on all platforms.
+ */
+ if (max != 0 && val > max) {
+ if (dbp == NULL) {
+ fprintf(stderr,
+ "%s: %s: Greater than maximum value (%ld)\n",
+ progname, p, max);
+ exit(1);
+ }
+ dbp->errx(dbp, "%s: Greater than maximum value (%ld)", p, max);
+ exit(1);
+ }
+ *storep = val;
+ return (0);
+#endif /* !defined(HAVE_STRTOUL) */
+}