GRASS GIS 7 Programmer's Manual
7.9.dev(2021)-e5379bbd7
legal_dbname.c
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/*!
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\file lib/db/dbmi_base/legal_dbname.c
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\brief DBMI Library (base) - validate DB names
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\todo Are we as restrictive here as for vector names?
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(C) 1999-2009, 2011 by the GRASS Development Team
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This program is free software under the GNU General Public License
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(>=v2). Read the file COPYING that comes with GRASS for details.
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\author Joel Jones (CERL/UIUC), Radim Blazek
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\author Doxygenized by Martin Landa <landa.martin gmail.com> (2011)
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*/
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#include <
grass/gis.h
>
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#include <
grass/dbmi.h
>
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#include <
grass/glocale.h
>
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/*!
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\brief Check if output is legal table name
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Rule: [A-Za-z][A-Za-z0-9_@]*
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\param s table name to be checked
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\return 1 OK
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\return -1 if name does not start with letter A..Za..z or if name does
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not continue with A..Za..z0..9_@
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*/
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int
db_legal_tablename
(
const
char
*s)
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{
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char
buf[
GNAME_MAX
];
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sprintf(buf,
"%s"
, s);
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if
(*s ==
'.'
|| *s == 0) {
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G_warning
(
_
(
"Illegal table map name <%s>. May not contain '.' or 'NULL'."
),
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buf);
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return
DB_FAILED
;
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}
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/* file name must start with letter */
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if
(!((*s >=
'A'
&& *s <=
'Z'
) || (*s >=
'a'
&& *s <=
'z'
))) {
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G_warning
(
_
(
"Illegal table map name <%s>. Must start with a letter."
),
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buf);
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return
DB_FAILED
;
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}
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for
(s++; *s; s++)
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if
(!
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((*s >=
'A'
&& *s <=
'Z'
) || (*s >=
'a'
&& *s <=
'z'
) ||
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(*s >=
'0'
&& *s <=
'9'
) || *s ==
'_'
|| *s ==
'@'
)) {
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G_warning
(
_
(
"Illegal table map name <%s>. Character <%c> not allowed."
),
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buf, *s);
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return
DB_FAILED
;
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}
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return
DB_OK
;
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}
glocale.h
dbmi.h
gis.h
DB_FAILED
#define DB_FAILED
Definition:
dbmi.h:72
GNAME_MAX
#define GNAME_MAX
Definition:
gis.h:167
G_warning
void G_warning(const char *,...) __attribute__((format(printf
_
#define _(str)
Definition:
glocale.h:10
db_legal_tablename
int db_legal_tablename(const char *s)
Check if output is legal table name.
Definition:
legal_dbname.c:31
DB_OK
#define DB_OK
Definition:
dbmi.h:71
lib
db
dbmi_base
legal_dbname.c
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