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authorGuido van Rossum <guido@python.org>1996-12-05 23:41:26 (GMT)
committerGuido van Rossum <guido@python.org>1996-12-05 23:41:26 (GMT)
commit60fca2c90fe4d00715f4ae28d68560e67955ab9b (patch)
tree28770b4748ff1c1bb0dbe20532021ec25149c13d /Modules
parent049cd90b93e4d25e0fac18d4cfbba6cc0b0e19d9 (diff)
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Add case for 'R' and a little bit of cleanup. Andrew Kuchling.
Diffstat (limited to 'Modules')
-rw-r--r--Modules/soundex.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/Modules/soundex.c b/Modules/soundex.c
index c1cbf70..fe00ac6 100644
--- a/Modules/soundex.c
+++ b/Modules/soundex.c
@@ -26,7 +26,7 @@ static void soundex_hash(char *str, char *result)
char *sptr = str; /* pointer into str */
char *rptr = result; /* pointer into result */
- if(*str == NULL)
+ if(*str == '\0')
{
strcpy(result,"000000");
return;
@@ -39,19 +39,20 @@ static void soundex_hash(char *str, char *result)
/* Translate the rest of the input string into result. The following
transformations are used:
- 1) All vowles, W, and H, are skipped.
+ 1) All vowels, W, and H, are skipped.
2) BFPV = 1
CGJKQSXZ = 2
DT = 3
L = 4
MN = 5
+ R = 6
3) Only translate the first of adjacent equal translations. I.E.
remove duplicate digits.
*/
- for(;(rptr - result) < 6 && *sptr != NULL;sptr++)
+ for(;(rptr - result) < 6 && *sptr != '\0';sptr++)
{
switch (toupper(*sptr))
{
@@ -95,6 +96,9 @@ static void soundex_hash(char *str, char *result)
if(*(rptr - 1) != '5')
*(rptr++) = '5';
break;
+ case 'R':
+ if(*(rptr -1) != '6')
+ *(rptr++) = '6';
default:
break;
}
@@ -107,7 +111,7 @@ static void soundex_hash(char *str, char *result)
/* Terminate the result string.
*/
- *(result + 6) = NULL;
+ *(result + 6) = '\0';
}
@@ -119,7 +123,6 @@ static PyObject *
get_soundex(PyObject *self, PyObject *args)
{
char *str;
- int retval;
char sdx[7];
if(!PyArg_ParseTuple( args, "s", &str))
@@ -136,7 +139,6 @@ static PyObject *
sound_similar(PyObject *self, PyObject *args)
{
char *str1, *str2;
- int return_value;
char res1[7], res2[7];
if(!PyArg_ParseTuple(args, "ss", &str1, &str2))