diff options
author | unknown <tim@threads.polyesthetic.msg> | 2001-03-04 19:42:05 -0500 |
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committer | unknown <tim@threads.polyesthetic.msg> | 2001-03-04 19:42:05 -0500 |
commit | ec6ae091617bdfdca9e65e8d3e65b950d234f676 (patch) | |
tree | 9dd732e08dba156ee3d7635caedc0dc3107ecac6 /bdb/common/db_getlong.c | |
parent | 87d70fb598105b64b538ff6b81eef9da626255b1 (diff) | |
download | mariadb-git-ec6ae091617bdfdca9e65e8d3e65b950d234f676.tar.gz |
Import changeset
Diffstat (limited to 'bdb/common/db_getlong.c')
-rw-r--r-- | bdb/common/db_getlong.c | 159 |
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) */ +} |