<URL: http://bugs.freeciv.org/Ticket/Display.html?id=40196 >
On 08/04/2008, Marko Lindqvist wrote:
>
> - Only strings both starting and ending with '"' are considered
> quoted and these starting and ending quotes are only ones ignored
> during matching
> - Correct string length comparison for quoted strings implemented and used
- S2_1 version
- Handle quoted connection names
- ML
diff -Nurd -X.diff_ignore freeciv/common/connection.c freeciv/common/connection.c
--- freeciv/common/connection.c 2008-01-15 04:04:30.000000000 +0200
+++ freeciv/common/connection.c 2008-04-15 11:18:43.000000000 +0300
@@ -441,7 +441,8 @@
*result = match_prefix(connection_accessor,
conn_list_size(game.all_connections),
- MAX_LEN_NAME-1, mystrncasecmp, user_name, &ind);
+ MAX_LEN_NAME-1, mystrncasequotecmp,
+ effectivestrlenquote, user_name, &ind);
if (*result < M_PRE_AMBIGUOUS) {
return conn_list_get(game.all_connections, ind);
diff -Nurd -X.diff_ignore freeciv/common/player.c freeciv/common/player.c
--- freeciv/common/player.c 2008-01-15 04:04:30.000000000 +0200
+++ freeciv/common/player.c 2008-04-15 11:16:15.000000000 +0300
@@ -360,7 +360,7 @@
int ind;
*result = match_prefix(pname_accessor, game.info.nplayers, MAX_LEN_NAME-1,
- mystrncasequotecmp, name, &ind);
+ mystrncasequotecmp, effectivestrlenquote, name, &ind);
if (*result < M_PRE_AMBIGUOUS) {
return player_by_number(ind);
diff -Nurd -X.diff_ignore freeciv/server/stdinhand.c freeciv/server/stdinhand.c
--- freeciv/server/stdinhand.c 2008-04-02 22:48:51.000000000 +0300
+++ freeciv/server/stdinhand.c 2008-04-15 11:17:07.000000000 +0300
@@ -175,7 +175,7 @@
int ind;
result = match_prefix(cmdname_accessor, CMD_NUM, 0,
- mystrncasecmp, token, &ind);
+ mystrncasecmp, NULL, token, &ind);
if (result < M_PRE_AMBIGUOUS) {
return ind;
@@ -1517,7 +1517,7 @@
}
result = match_prefix(optname_accessor, SETTINGS_NUM, 0, mystrncasecmp,
- name, &ind);
+ NULL, name, &ind);
return ((result < M_PRE_AMBIGUOUS) ? ind :
(result == M_PRE_AMBIGUOUS) ? -2 : -1);
@@ -4003,7 +4003,7 @@
/* no commands means no help, either */
match_result = match_prefix(helparg_accessor, HELP_ARG_NUM, 0,
- mystrncasecmp, arg, &ind);
+ mystrncasecmp, NULL, arg, &ind);
if (match_result==M_PRE_EMPTY) {
show_help_intro(caller, CMD_HELP);
@@ -4077,7 +4077,7 @@
remove_leading_trailing_spaces(arg);
match_result = match_prefix(listarg_accessor, LIST_ARG_NUM, 0,
- mystrncasecmp, arg, &ind_int);
+ mystrncasecmp, NULL, arg, &ind_int);
ind = ind_int;
if (match_result > M_PRE_EMPTY) {
diff -Nurd -X.diff_ignore freeciv/utility/shared.c freeciv/utility/shared.c
--- freeciv/utility/shared.c 2008-03-11 11:27:29.000000000 +0200
+++ freeciv/utility/shared.c 2008-04-15 11:15:10.000000000 +0300
@@ -1473,12 +1473,17 @@
size_t n_names,
size_t max_len_name,
m_pre_strncmp_fn_t cmp_fn,
+ m_strlen_fn_t len_fn,
const char *prefix,
int *ind_result)
{
int i, len, nmatches;
- len = strlen(prefix);
+ if (len_fn == NULL) {
+ len = strlen(prefix);
+ } else {
+ len = len_fn(prefix);
+ }
if (len == 0) {
return M_PRE_EMPTY;
}
diff -Nurd -X.diff_ignore freeciv/utility/shared.h freeciv/utility/shared.h
--- freeciv/utility/shared.h 2008-01-15 04:04:10.000000000 +0200
+++ freeciv/utility/shared.h 2008-04-15 11:15:10.000000000 +0300
@@ -224,10 +224,14 @@
/* function type to compare prefix: */
typedef int (*m_pre_strncmp_fn_t)(const char *, const char *, size_t n);
+/* function type to calculate effective string length: */
+typedef size_t (m_strlen_fn_t)(const char *str);
+
enum m_pre_result match_prefix(m_pre_accessor_fn_t accessor_fn,
size_t n_names,
size_t max_len_name,
m_pre_strncmp_fn_t cmp_fn,
+ m_strlen_fn_t len_fn,
const char *prefix,
int *ind_result);
diff -Nurd -X.diff_ignore freeciv/utility/support.c freeciv/utility/support.c
--- freeciv/utility/support.c 2008-01-31 17:13:29.000000000 +0200
+++ freeciv/utility/support.c 2008-04-15 11:15:10.000000000 +0300
@@ -135,24 +135,66 @@
}
/***************************************************************
- Compare strings like strncasecmp() but ignoring quotes in
- either string. Quotes still count towards n.
+ Count length of string without possible surrounding quotes.
+***************************************************************/
+size_t effectivestrlenquote(const char *str)
+{
+ int len = strlen(str);
+
+ if (str[0] == '"' && str[len-1] == '"') {
+ return len - 2;
+ }
+
+ return len;
+}
+
+/***************************************************************
+ Compare strings like strncasecmp() but ignoring surrounding
+ quotes in either string.
***************************************************************/
int mystrncasequotecmp(const char *str0, const char *str1, size_t n)
{
size_t i;
- char c;
+ size_t len0 = strlen(str0); /* TODO: We iterate string once already here, */
+ size_t len1 = strlen(str1); /* could iterate only once */
+ size_t cmplen;
- for (i = 0; i < n && *str0 != '\0'; i++) {
- if (my_tolower(*str0) != my_tolower(*str1)
- && *str0 != '"' && *str1 != '"') {
+ if (str0[0] == '"') {
+ if (str0[len0 - 1] == '"') {
+ /* Surrounded with quotes */
+ str0++;
+ len0 -= 2;
+ }
+ }
+
+ if (str1[0] == '"') {
+ if (str1[len1 - 1] == '"') {
+ /* Surrounded with quotes */
+ str1++;
+ len1 -= 2;
+ }
+ }
+
+ if (len0 < n || len1 < n) {
+ /* One of the strings is shorter than what should be compared... */
+ if (len0 != len1) {
+ /* ...and another is longer than it. */
+ return len0 - len1;
+ }
+
+ cmplen = len0; /* This avoids comparing ending quote */
+ } else {
+ cmplen = n;
+ }
+
+ for (i = 0; i < cmplen ; i++, str0++, str1++) {
+ if (my_tolower(*str0) != my_tolower(*str1)) {
return ((int) (unsigned char) my_tolower(*str0))
- ((int) (unsigned char) my_tolower(*str1));
}
- c = *str0;
- str0 += (*str1 != '"');
- str1 += (c != '"');
}
+
+ /* All characters compared and all matched */
return 0;
}
diff -Nurd -X.diff_ignore freeciv/utility/support.h freeciv/utility/support.h
--- freeciv/utility/support.h 2007-08-01 19:18:30.000000000 +0300
+++ freeciv/utility/support.h 2008-04-15 11:17:43.000000000 +0300
@@ -74,6 +74,8 @@
int mystrncasecmp(const char *str0, const char *str1, size_t n);
int mystrncasequotecmp(const char *str0, const char *str1, size_t n);
+size_t effectivestrlenquote(const char *str);
+
const char *mystrerror(void);
void myusleep(unsigned long usec);
diff -Nurd -X.diff_ignore freeciv/common/connection.c freeciv/common/connection.c
--- freeciv/common/connection.c 2008-03-08 16:32:49.000000000 +0200
+++ freeciv/common/connection.c 2008-04-15 11:19:57.000000000 +0300
@@ -440,7 +440,8 @@
*result = match_prefix(connection_accessor,
conn_list_size(game.all_connections),
- MAX_LEN_NAME-1, mystrncasecmp, user_name, &ind);
+ MAX_LEN_NAME-1, mystrncasequotecmp,
+ effectivestrlenquote, user_name, &ind);
if (*result < M_PRE_AMBIGUOUS) {
return conn_list_get(game.all_connections, ind);
diff -Nurd -X.diff_ignore freeciv/common/player.c freeciv/common/player.c
--- freeciv/common/player.c 2008-03-08 16:32:49.000000000 +0200
+++ freeciv/common/player.c 2008-04-15 11:19:15.000000000 +0300
@@ -396,7 +396,8 @@
int ind;
*result = match_prefix(player_name_by_number, game.info.nplayers,
- MAX_LEN_NAME-1, mystrncasequotecmp, name, &ind);
+ MAX_LEN_NAME-1, mystrncasequotecmp,
+ effectivestrlenquote, name, &ind);
if (*result < M_PRE_AMBIGUOUS) {
return player_by_number(ind);
diff -Nurd -X.diff_ignore freeciv/server/stdinhand.c freeciv/server/stdinhand.c
--- freeciv/server/stdinhand.c 2008-04-06 11:24:53.000000000 +0300
+++ freeciv/server/stdinhand.c 2008-04-15 11:19:15.000000000 +0300
@@ -173,7 +173,7 @@
int ind;
result = match_prefix(command_name_by_number, CMD_NUM, 0,
- mystrncasecmp, token, &ind);
+ mystrncasecmp, NULL, token, &ind);
if (result < M_PRE_AMBIGUOUS) {
return ind;
@@ -1486,7 +1486,7 @@
}
result = match_prefix(optname_accessor, SETTINGS_NUM, 0, mystrncasecmp,
- name, &ind);
+ NULL, name, &ind);
return ((result < M_PRE_AMBIGUOUS) ? ind :
(result == M_PRE_AMBIGUOUS) ? -2 : -1);
@@ -4008,7 +4008,7 @@
/* no commands means no help, either */
match_result = match_prefix(helparg_accessor, HELP_ARG_NUM, 0,
- mystrncasecmp, arg, &ind);
+ mystrncasecmp, NULL, arg, &ind);
if (match_result==M_PRE_EMPTY) {
show_help_intro(caller, CMD_HELP);
@@ -4082,7 +4082,7 @@
remove_leading_trailing_spaces(arg);
match_result = match_prefix(listarg_accessor, LIST_ARG_NUM, 0,
- mystrncasecmp, arg, &ind_int);
+ mystrncasecmp, NULL, arg, &ind_int);
ind = ind_int;
if (match_result > M_PRE_EMPTY) {
diff -Nurd -X.diff_ignore freeciv/utility/shared.c freeciv/utility/shared.c
--- freeciv/utility/shared.c 2008-03-11 11:27:15.000000000 +0200
+++ freeciv/utility/shared.c 2008-04-15 11:19:15.000000000 +0300
@@ -1485,12 +1485,17 @@
size_t n_names,
size_t max_len_name,
m_pre_strncmp_fn_t cmp_fn,
+ m_strlen_fn_t len_fn,
const char *prefix,
int *ind_result)
{
int i, len, nmatches;
- len = strlen(prefix);
+ if (len_fn == NULL) {
+ len = strlen(prefix);
+ } else {
+ len = len_fn(prefix);
+ }
if (len == 0) {
return M_PRE_EMPTY;
}
diff -Nurd -X.diff_ignore freeciv/utility/shared.h freeciv/utility/shared.h
--- freeciv/utility/shared.h 2008-03-08 16:32:11.000000000 +0200
+++ freeciv/utility/shared.h 2008-04-15 11:19:15.000000000 +0300
@@ -224,10 +224,14 @@
/* function type to compare prefix: */
typedef int (*m_pre_strncmp_fn_t)(const char *, const char *, size_t n);
+/* function type to calculate effective string length: */
+typedef size_t (m_strlen_fn_t)(const char *str);
+
enum m_pre_result match_prefix(m_pre_accessor_fn_t accessor_fn,
size_t n_names,
size_t max_len_name,
m_pre_strncmp_fn_t cmp_fn,
+ m_strlen_fn_t len_fn,
const char *prefix,
int *ind_result);
diff -Nurd -X.diff_ignore freeciv/utility/support.c freeciv/utility/support.c
--- freeciv/utility/support.c 2008-01-31 01:26:00.000000000 +0200
+++ freeciv/utility/support.c 2008-04-15 11:19:15.000000000 +0300
@@ -135,24 +135,66 @@
}
/***************************************************************
- Compare strings like strncasecmp() but ignoring quotes in
- either string. Quotes still count towards n.
+ Count length of string without possible surrounding quotes.
+***************************************************************/
+size_t effectivestrlenquote(const char *str)
+{
+ int len = strlen(str);
+
+ if (str[0] == '"' && str[len-1] == '"') {
+ return len - 2;
+ }
+
+ return len;
+}
+
+/***************************************************************
+ Compare strings like strncasecmp() but ignoring surrounding
+ quotes in either string.
***************************************************************/
int mystrncasequotecmp(const char *str0, const char *str1, size_t n)
{
size_t i;
- char c;
+ size_t len0 = strlen(str0); /* TODO: We iterate string once already here, */
+ size_t len1 = strlen(str1); /* could iterate only once */
+ size_t cmplen;
- for (i = 0; i < n && *str0 != '\0'; i++) {
- if (my_tolower(*str0) != my_tolower(*str1)
- && *str0 != '"' && *str1 != '"') {
+ if (str0[0] == '"') {
+ if (str0[len0 - 1] == '"') {
+ /* Surrounded with quotes */
+ str0++;
+ len0 -= 2;
+ }
+ }
+
+ if (str1[0] == '"') {
+ if (str1[len1 - 1] == '"') {
+ /* Surrounded with quotes */
+ str1++;
+ len1 -= 2;
+ }
+ }
+
+ if (len0 < n || len1 < n) {
+ /* One of the strings is shorter than what should be compared... */
+ if (len0 != len1) {
+ /* ...and another is longer than it. */
+ return len0 - len1;
+ }
+
+ cmplen = len0; /* This avoids comparing ending quote */
+ } else {
+ cmplen = n;
+ }
+
+ for (i = 0; i < cmplen ; i++, str0++, str1++) {
+ if (my_tolower(*str0) != my_tolower(*str1)) {
return ((int) (unsigned char) my_tolower(*str0))
- ((int) (unsigned char) my_tolower(*str1));
}
- c = *str0;
- str0 += (*str1 != '"');
- str1 += (c != '"');
}
+
+ /* All characters compared and all matched */
return 0;
}
diff -Nurd -X.diff_ignore freeciv/utility/support.h freeciv/utility/support.h
--- freeciv/utility/support.h 2008-01-15 04:53:30.000000000 +0200
+++ freeciv/utility/support.h 2008-04-15 11:19:15.000000000 +0300
@@ -74,6 +74,8 @@
int mystrncasecmp(const char *str0, const char *str1, size_t n);
int mystrncasequotecmp(const char *str0, const char *str1, size_t n);
+size_t effectivestrlenquote(const char *str);
+
char *mystrcasestr(const char *haystack, const char *needle);
const char *mystrerror(void);
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