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MINOR: sample: add cut_crlf converter

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This converter cuts a string on the first \r or \n found.
This commit is contained in:
Christopher Faulet 2020-04-01 16:21:44 +02:00
parent 4ccc12fc41
commit ea159d6130
2 changed files with 22 additions and 1 deletions
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5
doc/configuration.txt
View File

@ -14036,6 +14036,11 @@ crc32c([<avalanche>])
not be used for security purposes as a 32-bit hash is trivial to break. See
also "djb2", "sdbm", "wt6", "crc32" and the "hash-type" directive.
cut_crlf
Cuts the string representation of the input sample on the first carriage
return ('\r') or newline ('\n') character found. Only the string length is
updated.
da-csv-conv(<prop>[,<prop>*])
Asks the DeviceAtlas converter to identify the User Agent string passed on
input, and to emit a string made of the concatenation of the properties

18
src/sample.c
View File

@ -2979,6 +2979,21 @@ static int sample_conv_htonl(const struct arg *arg_p, struct sample *smp, void *
return 1;
}
/**/
static int sample_conv_cut_crlf(const struct arg *arg_p, struct sample *smp, void *private)
{
char *p;
size_t l;
p = smp->data.u.str.area;
for (l = 0; l < smp->data.u.str.data; l++) {
if (*(p+l) == '\r' || *(p+l) == '\n')
break;
}
smp->data.u.str.data = l;
return 1;
}
/************************************************************************/
/* All supported sample fetch functions must be declared here */
/************************************************************************/
@ -3447,7 +3462,8 @@ static struct sample_conv_kw_list sample_conv_kws = {ILH, {
{ "mod", sample_conv_arith_mod, ARG1(1,STR), check_operator, SMP_T_SINT, SMP_T_SINT },
{ "neg", sample_conv_arith_neg, 0, NULL, SMP_T_SINT, SMP_T_SINT },
{ "htonl", sample_conv_htonl, 0, NULL, SMP_T_SINT, SMP_T_BIN },
{ "htonl", sample_conv_htonl, 0, NULL, SMP_T_SINT, SMP_T_BIN },
{ "cut_crlf", sample_conv_cut_crlf, 0, NULL, SMP_T_STR, SMP_T_STR },
{ NULL, NULL, 0, 0, 0 },
}};