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Use sizeof() instead of magic constants

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This commit is contained in:
FRIGN 2016-09-05 00:08:25 +02:00
parent 6996e702e8
commit 5ecd11fa3d
1 changed files with 15 additions and 16 deletions
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31
quark.c
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@ -56,7 +56,6 @@ static char *statistr[] = {
[S_REQUEST_TOO_LARGE] = "Request Header Fields Too Large",
[S_INTERNAL_SERVER_ERROR] = "Internal Server Error",
[S_VERSION_NOT_SUPPORTED] = "HTTP Version not supported",
};
#undef MIN
@ -83,52 +82,52 @@ sendstatus(enum stati code, int fd, ...)
ssize_t ret;
long lower, upper, size;
buflen = snprintf(buf, 4096, "HTTP/1.1 %d %s\r\n", code,
buflen = snprintf(buf, sizeof(buf), "HTTP/1.1 %d %s\r\n", code,
statistr[code]);
buflen += snprintf(buf + buflen, 4096 - buflen, "Date: %s\r\n",
timestamp(0));
buflen += snprintf(buf + buflen, sizeof(buf) - buflen,
"Date: %s\r\n", timestamp(0));
va_start(ap, fd);
switch (code) {
case S_OK: /* arg-list: mime, size */
buflen += snprintf(buf + buflen, 4096 - buflen,
buflen += snprintf(buf + buflen, sizeof(buf) - buflen,
"Content-Type: %s\r\n",
va_arg(ap, char *));
if ((size = va_arg(ap, long)) >= 0) {
buflen += snprintf(buf + buflen, 4096 - buflen,
buflen += snprintf(buf + buflen, sizeof(buf) - buflen,
"Content-Length: %ld\r\n",
size);
}
break;
case S_PARTIAL_CONTENT: /* arg-list: mime, lower, upper, size */
buflen += snprintf(buf + buflen, 4096 - buflen,
buflen += snprintf(buf + buflen, sizeof(buf) - buflen,
"Content-Type: %s\r\n",
va_arg(ap, char *));
lower = va_arg(ap, long);
upper = va_arg(ap, long);
size = va_arg(ap, long);
buflen += snprintf(buf + buflen, 4096 - buflen,
buflen += snprintf(buf + buflen, sizeof(buf) - buflen,
"Content-Range: bytes %ld-%ld/%ld\r\n",
lower, upper, size);
buflen += snprintf(buf + buflen, 4096 - buflen,
buflen += snprintf(buf + buflen, sizeof(buf) - buflen,
"Content-Length: %ld\r\n",
(upper - lower) + 1);
break;
case S_MOVED_PERMANENTLY: /* arg-list: host, url */
if (!strcmp(port, "80")) {
buflen += snprintf(buf + buflen, 4096 - buflen,
buflen += snprintf(buf + buflen, sizeof(buf) - buflen,
"Location: http://%s%s\r\n",
va_arg(ap, char *),
va_arg(ap, char *));
} else {
buflen += snprintf(buf + buflen, 4096 - buflen,
buflen += snprintf(buf + buflen, sizeof(buf) - buflen,
"Location: http://%s:%s%s\r\n",
va_arg(ap, char *), port,
va_arg(ap, char *));
}
break;
case S_METHOD_NOT_ALLOWED: /* arg-list: none */
buflen += snprintf(buf + buflen, 4096 - buflen,
buflen += snprintf(buf + buflen, sizeof(buf) - buflen,
"Allow: GET\r\n");
break;
default:
@ -136,20 +135,20 @@ sendstatus(enum stati code, int fd, ...)
}
va_end(ap);
buflen += snprintf(buf + buflen, 4096 - buflen,
buflen += snprintf(buf + buflen, sizeof(buf) - buflen,
"Connection: close\r\n");
if (code != S_OK && code != S_PARTIAL_CONTENT) {
buflen += snprintf(buf + buflen, 4096 - buflen,
buflen += snprintf(buf + buflen, sizeof(buf) - buflen,
"Content-Type: text/html\r\n");
buflen += snprintf(buf + buflen, 4096 - buflen,
buflen += snprintf(buf + buflen, sizeof(buf) - buflen,
"\r\n<!DOCTYPE html>\r\n<html>\r\n"
"\t<head><title>%d %s</title></head>"
"\r\n\t<body><h1>%d %s</h1></body>\r\n"
"</html>\r\n", code, statistr[code],
code, statistr[code]);
} else {
buflen += snprintf(buf + buflen, 4096 - buflen, "\r\n");
buflen += snprintf(buf + buflen, sizeof(buf) - buflen, "\r\n");
}
for (written = 0; buflen > 0; written += ret, buflen -= ret) {