+/*
+ Bacula(R) - The Network Backup Solution
+
+ Copyright (C) 2000-2016 Kern Sibbald
+
+ The original author of Bacula is Kern Sibbald, with contributions
+ from many others, a complete list can be found in the file AUTHORS.
+
+ You may use this file and others of this release according to the
+ license defined in the LICENSE file, which includes the Affero General
+ Public License, v3.0 ("AGPLv3") and some additional permissions and
+ terms pursuant to its AGPLv3 Section 7.
+
+ This notice must be preserved when any source code is
+ conveyed and/or propagated.
+
+ Bacula(R) is a registered trademark of Kern Sibbald.
+*/
/*
* scan.c -- scanning routines for Bacula
*
* Kern Sibbald, MM separated from util.c MMIII
*
- * Version $Id$
*/
-/*
- Bacula® - The Network Backup Solution
-
- Copyright (C) 2000-2006 Free Software Foundation Europe e.V.
-
- The main author of Bacula is Kern Sibbald, with contributions from
- many others, a complete list can be found in the file AUTHORS.
- This program is Free Software; you can redistribute it and/or
- modify it under the terms of version two of the GNU General Public
- License as published by the Free Software Foundation plus additions
- that are listed in the file LICENSE.
-
- 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, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA.
-
- Bacula® is a registered trademark of John Walker.
- The licensor of Bacula is the Free Software Foundation Europe
- (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
- Switzerland, email:ftf@fsfeurope.org.
-*/
#include "bacula.h"
void strip_trailing_junk(char *cmd)
{
char *p;
- p = cmd + strlen(cmd) - 1;
/* strip trailing junk from command */
- while ((p >= cmd) && (*p == '\n' || *p == '\r' || *p == ' '))
+ p = cmd - 1 + strlen(cmd);
+ while ((p >= cmd) && (B_ISSPACE(*p) || *p == '\n' || *p == '\r')) {
*p-- = 0;
+ }
}
/* Strip any trailing newline characters from the string */
void strip_trailing_newline(char *cmd)
{
char *p;
- p = cmd + strlen(cmd) - 1;
-
- while ((p >= cmd) && (*p == '\n' || *p == '\r'))
- *p-- = 0;
+ p = cmd - 1 + strlen(cmd);
+ while ((p >= cmd) && (*p == '\n' || *p == '\r')) *p-- = 0;
}
/* Strip any trailing slashes from a directory path */
void strip_trailing_slashes(char *dir)
{
char *p;
- p = dir + strlen(dir) - 1;
/* strip trailing slashes */
- while (p >= dir && IsPathSeparator(*p))
- *p-- = 0;
+ p = dir -1 + strlen(dir);
+ while (p >= dir && IsPathSeparator(*p)) *p-- = 0;
}
/*
/*
* Return next argument from command line. Note, this
- * routine is destructive.
+ * routine is destructive because it stored 0 at the end
+ * of each argument.
+ * Called with pointer to pointer to command line. This
+ * pointer is updated to point to the remainder of the
+ * command line.
+ *
+ * Returns pointer to next argument -- don't store the result
+ * in the pointer you passed as an argument ...
+ * The next argument is terminated by a space unless within
+ * quotes. Double quote characters (unless preceded by a \) are
+ * stripped.
+ *
*/
char *next_arg(char **s)
{
}
Dmsg1(900, "Next arg=%s\n", p);
for (n = q = p; *p ; ) {
- if (*p == '\\') {
- p++;
+ if (*p == '\\') { /* slash? */
+ p++; /* yes, skip it */
if (*p) {
*q++ = *p++;
} else {
continue;
}
if (*p == '"') { /* start or end of quote */
- if (in_quote) {
- p++; /* skip quote */
- in_quote = false;
- continue;
- }
- in_quote = true;
p++;
+ in_quote = !in_quote; /* change state */
continue;
}
- if (!in_quote && B_ISSPACE(*p)) { /* end of field */
+ if (!in_quote && B_ISSPACE(*p)) { /* end of field */
p++;
break;
}
/*
* This routine parses the input command line.
* It makes a copy in args, then builds an
- * argc, argv like list where
+ * argc, argk, argv list where:
*
* argc = count of arguments
* argk[i] = argument keyword (part preceding =)
* argk[2] = arg3
* argv[2] =
*/
-
int parse_args(POOLMEM *cmd, POOLMEM **args, int *argc,
char **argk, char **argv, int max_args)
{
- char *p, *q, *n;
+ char *p;
+
+ parse_args_only(cmd, args, argc, argk, argv, max_args);
+
+ /* Separate keyword and value */
+ for (int i=0; i < *argc; i++) {
+ p = strchr(argk[i], '=');
+ if (p) {
+ *p++ = 0; /* terminate keyword and point to value */
+ }
+ argv[i] = p; /* save ptr to value or NULL */
+ }
+#ifdef xxx_debug
+ for (int i=0; i < *argc; i++) {
+ Pmsg3(000, "Arg %d: kw=%s val=%s\n", i, argk[i], argv[i]?argv[i]:"NULL");
+ }
+#endif
+ return 1;
+}
+
+
+/*
+ * This routine parses the input command line.
+ * It makes a copy in args, then builds an
+ * argc, argk, but no argv (values).
+ * This routine is useful for scanning command lines where the data
+ * is a filename and no keywords are expected. If we scan a filename
+ * for keywords, any = in the filename will be interpreted as the
+ * end of a keyword, and this is not good.
+ *
+ * argc = count of arguments
+ * argk[i] = argument keyword (part preceding =)
+ * argv[i] = NULL
+ *
+ * example: arg1 arg2=abc arg3=
+ *
+ * argc = c
+ * argk[0] = arg1
+ * argv[0] = NULL
+ * argk[1] = arg2=abc
+ * argv[1] = NULL
+ * argk[2] = arg3
+ * argv[2] =
+ */
+int parse_args_only(POOLMEM *cmd, POOLMEM **args, int *argc,
+ char **argk, char **argv, int max_args)
+{
+ char *p, *n;
pm_strcpy(args, cmd);
strip_trailing_junk(*args);
break;
}
}
- /* Separate keyword and value */
- for (int i=0; i < *argc; i++) {
- p = strchr(argk[i], '=');
- if (p) {
- *p++ = 0; /* terminate keyword and point to value */
- /* Unquote quoted values */
- if (*p == '"') {
- for (n = q = ++p; *p && *p != '"'; ) {
- if (*p == '\\') {
- p++;
- }
- *q++ = *p++;
- }
- *q = 0; /* terminate string */
- p = n; /* point to string */
- }
- if (strlen(p) > MAX_NAME_LENGTH-1) {
- p[MAX_NAME_LENGTH-1] = 0; /* truncate to max len */
- }
- }
- argv[i] = p; /* save ptr to value or NULL */
- }
-#ifdef xxxx
- for (int i=0; i < *argc; i++) {
- Pmsg3(000, "Arg %d: kw=%s val=%s\n", i, argk[i], argv[i]?argv[i]:"NULL");
- }
-#endif
return 1;
}
+
/*
* Given a full filename, split it into its path
* and filename parts. They are returned in pool memory
/*
* Extremely simple sscanf. Handles only %(u,d,ld,qd,qu,lu,lld,llu,c,nns)
+ *
+ * Note, BIG is the default maximum length when no length
+ * has been specified for %s. If it is not big enough, then
+ * simply add a length such as %10000s.
*/
const int BIG = 1000;
int bsscanf(const char *buf, const char *fmt, ...)
int max_len = BIG;
uint64_t value;
bool error = false;
+ bool negative;
va_start(ap, fmt);
while (*fmt && !error) {
switch_top:
switch (*fmt++) {
case 'u':
- case 'd':
value = 0;
while (B_ISDIGIT(*buf)) {
value = B_TIMES10(value) + *buf++ - '0';
// Dmsg0(000, "Store 32 bit int\n");
} else {
*((uint64_t *)vp) = (uint64_t)value;
+// Dmsg0(000, "Store 64 bit int\n");
+ }
+ count++;
+ l = 0;
+ break;
+ case 'd':
+ value = 0;
+ if (*buf == '-') {
+ negative = true;
+ buf++;
+ } else {
+ negative = false;
+ }
+ while (B_ISDIGIT(*buf)) {
+ value = B_TIMES10(value) + *buf++ - '0';
+ }
+ if (negative) {
+ value = -value;
+ }
+ vp = (void *)va_arg(ap, void *);
+// Dmsg2(000, "val=%lld at 0x%lx\n", value, (long unsigned)vp);
+ if (l == 0) {
+ *((int *)vp) = (int)value;
+ } else if (l == 1) {
+ *((int32_t *)vp) = (int32_t)value;
+// Dmsg0(000, "Store 32 bit int\n");
+ } else {
+ *((int64_t *)vp) = (int64_t)value;
// Dmsg0(000, "Store 64 bit int\n");
}
count++;