summaryrefslogtreecommitdiff
path: root/epglv
diff options
context:
space:
mode:
Diffstat (limited to 'epglv')
-rw-r--r--epglv/src/epglvbase.c73
1 files changed, 37 insertions, 36 deletions
diff --git a/epglv/src/epglvbase.c b/epglv/src/epglvbase.c
index 845edcb..6f86862 100644
--- a/epglv/src/epglvbase.c
+++ b/epglv/src/epglvbase.c
@@ -49,7 +49,7 @@ my_bool base_epglv_init(UDF_INIT* init, UDF_ARGS* args, char* message)
struct workspace_t *ws;
// make sure both arguments are ok
-
+
if (args->arg_count != 2 || args->arg_type[0] != STRING_RESULT || args->arg_type[1] != STRING_RESULT)
{
strncpy(message, "EPGLV() requires arguments (string, string)", 80);
@@ -69,7 +69,7 @@ my_bool base_epglv_init(UDF_INIT* init, UDF_ARGS* args, char* message)
ws->row2 = (int*)malloc(sizeof(int)*(LENGTH_MAX+2));
ws->iconv_init = 0;
- if (!ws || !ws->mbstate || !ws->str1 || !ws->str2 || !ws->row0 || !ws->row1 || !ws->row2)
+ if (!ws || !ws->mbstate || !ws->str1 || !ws->str2 || !ws->row0 || !ws->row1 || !ws->row2)
{
free(ws->row2); free(ws->row1); free(ws->row0);
free(ws->str2); free(ws->str1);
@@ -78,7 +78,7 @@ my_bool base_epglv_init(UDF_INIT* init, UDF_ARGS* args, char* message)
return 1;
}
- if (!setlocale(LC_CTYPE, "de_DE.UTF-8"))
+ if (!setlocale(LC_CTYPE, "de_DE.UTF-8"))
{
free(ws->row2); free(ws->row1); free(ws->row0);
free(ws->str2); free(ws->str1);
@@ -99,7 +99,7 @@ my_bool base_epglv_init(UDF_INIT* init, UDF_ARGS* args, char* message)
void base_epglv_deinit(UDF_INIT* init)
{
- if (init->ptr)
+ if (init->ptr)
{
struct workspace_t* ws = (struct workspace_t*)init->ptr;
@@ -122,22 +122,22 @@ void base_epglv_deinit(UDF_INIT* init)
// check parameters and allocate memory for MySql
//***************************************************************************
-long long base_epglv(UDF_INIT* init, UDF_ARGS* args, char* is_null, char* error,
+long long base_epglv(UDF_INIT* init, UDF_ARGS* args, char* is_null, char* error,
long long* len1, long long* len2)
{
const char* str1 = args->args[0];
const char* str2 = args->args[1];
-
+
char* iso_str1 = 0;
char* iso_str2 = 0;
struct workspace_t* ws = (struct workspace_t*)init->ptr; // get a pointer to memory previously allocated
- *error = 0;
+ *error = 0;
*len1 = (!str1) ? 0 : args->lengths[0];
*len2 = (!str2) ? 0 : args->lengths[1];
long long max = *len1 > *len2 ? *len1 : *len2;
- if (max >= LENGTH_MAX)
+ if (max >= LENGTH_MAX)
{
print("size(%lld) was bigger than %d, aborting", max, LENGTH_MAX);
return -1;
@@ -152,9 +152,9 @@ long long base_epglv(UDF_INIT* init, UDF_ARGS* args, char* is_null, char* error,
if ((iso_str1 = epglv_utf8toiso(str1, len1, ws, ws->str1, max)) == 0)
return -1;
- if ((iso_str2 = epglv_utf8toiso(str2, len2, ws, ws->str2, max)) == 0)
+ if ((iso_str2 = epglv_utf8toiso(str2, len2, ws, ws->str2, max)) == 0)
return -1;
-
+
return epglv_core(
ws,
iso_str1, *len1,
@@ -173,7 +173,7 @@ long long base_epglv(UDF_INIT* init, UDF_ARGS* args, char* is_null, char* error,
int epglv_core(struct workspace_t* ws,
const char* str1, int len1,
const char* str2, int len2,
- int w, int s, int a, int d, int limit)
+ int w, int s, int a, int d, int limit)
{
int* row0 = ws->row0;
int* row1 = ws->row1;
@@ -183,13 +183,13 @@ int epglv_core(struct workspace_t* ws,
for (j = 0; j <= len2; j++)
row1[j] = j * a;
- for (i = 0; i < len1; i++)
+ for (i = 0; i < len1; i++)
{
int* dummy;
-
+
row2[0] = (i + 1) * d;
- for (j = 0; j < len2; j++)
+ for (j = 0; j < len2; j++)
{
// substitution
@@ -197,31 +197,31 @@ int epglv_core(struct workspace_t* ws,
// swap
- if (i > 0 && j > 0 &&
+ if (i > 0 && j > 0 &&
str1[i - 1] == str2[j] &&
str1[i] == str2[j - 1] &&
- row2[j + 1] > row0[j - 1] + w)
+ row2[j + 1] > row0[j - 1] + w)
{
row2[j + 1] = row0[j - 1] + w;
}
// deletion
- if (row2[j + 1] > row1[j + 1] + d)
+ if (row2[j + 1] > row1[j + 1] + d)
row2[j + 1] = row1[j + 1] + d;
-
+
// insertion
- if (row2[j + 1] > row2[j] + a)
+ if (row2[j + 1] > row2[j] + a)
row2[j + 1] = row2[j] + a;
}
-
+
dummy = row0;
row0 = row1;
row1 = row2;
row2 = dummy;
}
-
+
debug_print("returning(%d)", row1[len2]);
return row1[len2];
@@ -232,16 +232,16 @@ int epglv_core(struct workspace_t* ws,
//**************************************************************************
char* epglv_utf8toiso(const char* str_src, long long* len_src,
- struct workspace_t* ws, char* str_dst, int limit)
+ struct workspace_t* ws, char* str_dst, int limit)
{
mbstate_t* mbstate = ws->mbstate;
size_t len_mbsnrtowcs, len_ret = LENGTH_MAX, len_min = LENGTH_MAX;
char* ret = str_dst;
char* in_s = (char*)str_src;
-
+
memset((void*)mbstate, '\0', sizeof(mbstate_t));
-
- if ((len_mbsnrtowcs = mbsnrtowcs(0, &str_src, *len_src, 0, mbstate)) == -1)
+
+ if ((len_mbsnrtowcs = mbsnrtowcs(0, &str_src, *len_src, 0, mbstate)) == -1)
{
print("mbsnrtowcs failed, str_src(%s): '%m'", str_src);
strncpy(str_dst, str_src, len_min);
@@ -249,9 +249,9 @@ char* epglv_utf8toiso(const char* str_src, long long* len_src,
*len_src = len_min;
return str_dst;
}
-
+
len_min = MIN(len_mbsnrtowcs, limit);
-
+
if (len_mbsnrtowcs == *len_src)
{
strncpy(str_dst, str_src, len_min);
@@ -259,23 +259,24 @@ char* epglv_utf8toiso(const char* str_src, long long* len_src,
*len_src = len_min;
return str_dst;
}
-
+
if (!ws->iconv_init)
{
- if ((ws->ic = iconv_open("ISO8859-15", "UTF-8")) == (iconv_t)-1)
+ if ((ws->ic = iconv_open("ISO8859-15//TRANSLIT", "UTF-8")) == (iconv_t)-1)
{
print("%s", "failed to initialize iconv '%m'");
return 0;
}
-
+
ws->iconv_init = 1;
}
-
- if (iconv(ws->ic, &in_s, (size_t*)len_src, &ret, &len_ret) == -1)
+
+ if (iconv(ws->ic, &in_s, (size_t*)len_src, &ret, &len_ret) == -1)
{
if (errno != E2BIG)
{
- print("in_s '%s' at '%s'; len_src (%lld) len_ret (%zu) '%m'", str_src, in_s, *len_src, len_ret);
+ print("in_s '%.*s' at '%.*s'; len_src (%lld) len_ret (%zu) '%m'",
+ (int)*len_src, str_src, (int)*len_src, in_s, *len_src, len_ret);
strncpy(str_dst, str_src, len_min);
str_dst[len_min] = 0; str_dst[len_min + 1] = 0;
*len_src = len_min;
@@ -285,11 +286,11 @@ char* epglv_utf8toiso(const char* str_src, long long* len_src,
print("inside E2BIG len_mbsnrtowcs(%zu) len_src(%lld)", len_mbsnrtowcs, *len_src);
len_mbsnrtowcs = len_min;
}
-
+
*len_src = len_min; // adjust converted length
str_dst[len_min] = 0; str_dst[len_min + 1] = 0;
-
+
iconv(ws->ic, 0, 0, 0, 0);
-
+
return str_dst;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-05 10:02:01 +0000