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-rw-r--r--catgirl.17
-rw-r--r--chat.c7
-rw-r--r--chat.h3
3 files changed, 14 insertions, 3 deletions
diff --git a/catgirl.1 b/catgirl.1
index 5e333a8..15b387b 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -1,4 +1,4 @@
-.Dd February  9, 2020
+.Dd February 10, 2020
 .Dt CATGIRL 1
 .Os
 .
@@ -10,6 +10,7 @@
 .Nm
 .Op Fl ev
 .Op Fl C Ar copy
+.Op Fl H Ar hash
 .Op Fl O Ar open
 .Op Fl a Ar auth
 .Op Fl c Ar cert
@@ -57,6 +58,10 @@ The default is the first available of
 .Xr xclip 1 ,
 .Xr xsel 1 .
 .
+.It Fl H Ar hash , Cm hash = Ar hash
+Set the initial value of
+the nick color hash function.
+.
 .It Fl O Ar util , Cm open = Ar util
 Set the utility used by
 .Ic /open .
diff --git a/chat.c b/chat.c
index ff74485..c58fdc5 100644
--- a/chat.c
+++ b/chat.c
@@ -21,6 +21,7 @@
 #include <poll.h>
 #include <signal.h>
 #include <stdbool.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -46,6 +47,8 @@ size_t idNext = Network + 1;
 
 struct Self self = { .color = Default };
 
+uint32_t hashInit;
+
 int procPipe[2] = { -1, -1 };
 
 static void pipeRead(void) {
@@ -81,10 +84,11 @@ int main(int argc, char *argv[]) {
 	const char *user = NULL;
 	const char *real = NULL;
 
-	const char *Opts = "!C:O:a:c:eh:j:k:n:p:r:u:vw:";
+	const char *Opts = "!C:H:O:a:c:eh:j:k:n:p:r:u:vw:";
 	const struct option LongOpts[] = {
 		{ "insecure", no_argument, NULL, '!' },
 		{ "copy", required_argument, NULL, 'C' },
+		{ "hash", required_argument, NULL, 'H' },
 		{ "open", required_argument, NULL, 'O' },
 		{ "sasl-plain", required_argument, NULL, 'a' },
 		{ "cert", required_argument, NULL, 'c' },
@@ -106,6 +110,7 @@ int main(int argc, char *argv[]) {
 		switch (opt) {
 			break; case '!': insecure = true;
 			break; case 'C': urlCopyUtil = optarg;
+			break; case 'H': hashInit = strtoul(optarg, NULL, 0);
 			break; case 'O': urlOpenUtil = optarg;
 			break; case 'a': sasl = true; self.plain = optarg;
 			break; case 'c': cert = optarg;
diff --git a/chat.h b/chat.h
index e7bb9cc..16cc683 100644
--- a/chat.h
+++ b/chat.h
@@ -190,9 +190,10 @@ int getopt_config(
 	const char *optstring, const struct option *longopts, int *longindex
 );
 
+extern uint32_t hashInit;
 static inline enum Color hash(const char *str) {
 	if (*str == '~') str++;
-	uint32_t hash = 0;
+	uint32_t hash = hashInit;
 	for (; *str; ++str) {
 		hash = (hash << 5) | (hash >> 27);
 		hash ^= *str;