From ad5b286e06d248a4bd3ed0d32fadbb6ea060b682 Mon Sep 17 00:00:00 2001
From: Ben Kibbey <bjk@luxsci.net>
Date: Wed, 17 Jan 2007 21:29:17 -0500
Subject: [PATCH] Fix for protocol command lengths > 8196.

---
 libpwmd/pwmc.c | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/libpwmd/pwmc.c b/libpwmd/pwmc.c
index b25afe23..38b55b88 100644
--- a/libpwmd/pwmc.c
+++ b/libpwmd/pwmc.c
@@ -64,6 +64,8 @@ int main(int argc, char *argv[])
     pwm_t *pwm;
     char *result = NULL;
     int save = 0;
+    char *buf = NULL;
+    int total = 0;
 
     while ((opt = getopt(argc, argv, "hvap:s:S")) != EOF) {
 	switch (opt) {
@@ -140,13 +142,42 @@ int main(int argc, char *argv[])
     }
 
     while ((p = fgets(command, sizeof(command), stdin)) != NULL) {
-	if ((ret = pwmd_command(pwm, &result, &error, PWMD_COMMAND, command)) != PWMD_OK) {
+	int len = strlen(p);
+
+	if (p[len - 1] != '\n') {
+	    if ((buf = realloc(buf, (total + len + 1) * sizeof(char))) == NULL)
+		err(EXIT_FAILURE, "realloc()");
+
+	    memcpy(&buf[total], p, len);
+	    total += len;
+	    buf[total] = 0;
+	    continue;
+	}
+	else {
+	    if (buf) {
+		if ((buf = realloc(buf, (total + len + 1) * sizeof(char))) == NULL)
+		    err(EXIT_FAILURE, "realloc()");
+
+		memcpy(&buf[total], p, len);
+		total += len;
+		buf[total] = 0;
+	    }
+	}
+
+	if ((ret = pwmd_command(pwm, &result, &error, PWMD_COMMAND, 
+			(buf) ? buf : command)) != PWMD_OK) {
 	    memset(&command, 0, sizeof(command));
 	    pwmd_show_error(ret, error);
 	    pwmd_close(pwm);
 	    exit(EXIT_FAILURE);
 	}
 
+	if (buf) {
+	    free(buf);
+	    buf = NULL;
+	    total = 0;
+	}
+
 	if (result) {
 	    printf("%s\n", (char *)result);
 	    free(result);
-- 
2.11.4.GIT