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Replace '\0' to NUL to make it more clear that it is a NUL-terminated string.

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This commit is contained in:
René van Dorst
2026-08-25 07:55:06 +02:00
parent 5d42e8843e
commit 2ff418f80f
5 changed files with 35 additions and 34 deletions
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httpd/httpd.c
+10 -10
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@@ -119,8 +119,8 @@ bool is_word(__xdata uint8_t *xdata_str_p, __code uint8_t * __xdata code_str_p)
u = *xdata_str_p++;
c = *code_str_p++;
if (c == '\0') {
if (u != '\0' && u != ' ' && u != '\t' && u != ':' && u != '?' && u != '=' && u != '\n' && u != '\r')
if (c == NUL) {
if (u != NUL && u != ' ' && u != '\t' && u != ':' && u != '?' && u != '=' && u != '\n' && u != '\r')
return false;
return true;
}
@@ -140,8 +140,8 @@ bool is_url_word_x(__xdata uint8_t *uri_str_p, __xdata uint8_t *src_str_p)
u = *uri_str_p++;
s = *src_str_p++;
if (s == '\0') {
if (u != '\0' && u != ' ' && u != '\t' && u != ':' && u != '?' && u != '=' && u != '\n' && u != '\r')
if (s == NUL) {
if (u != NUL && u != ' ' && u != '\t' && u != ':' && u != '?' && u != '=' && u != '\n' && u != '\r')
return false;
return true;
}
@@ -183,9 +183,9 @@ bool is_word_x(__xdata uint8_t *lhs_str_p, __xdata uint8_t *rhs_str_p)
u = *lhs_str_p++;
c = *rhs_str_p++;
if (c == '\0') {
if (c == NUL) {
/* ';' separates cookies in a Cookie header, so it ends a value too. */
if (u != '\0' && u != ' ' && u != '\t' && u != ':' && u != '?' && u != '=' && u != '\n' && u != '\r' && u != ';')
if (u != NUL && u != ' ' && u != '\t' && u != ':' && u != '?' && u != '=' && u != '\n' && u != '\r' && u != ';')
return false;
return true;
}
@@ -487,10 +487,10 @@ void handle_post(void)
// Find end of request path
while (*p && !is_separator(*p))
p++;
*p++ = '\0';
*p++ = NUL;
// Find end of request header
boundary[0] ='\0';
boundary[0] =NUL;
p = scan_header(p);
dbg_string("Boundary: >"); dbg_string_x(boundary); dbg_string("<\n");
if (!*p || !content_type) {
@@ -550,7 +550,7 @@ void handle_post(void)
dbg_string("Password accepted!\n");
read_reg_timer(&last_session_use);
gen_random_bytes(session_id, SESSION_ID_LENGTH);
session_id[SESSION_ID_LENGTH] = '\0';
session_id[SESSION_ID_LENGTH] = NUL;
slen = strtox(outbuf, "HTTP/1.1 302 Found\r\nConnection: close\r\nLocation: index.html\r\n" \
"Set-Cookie: session=");
for (register uint8_t i = 0; i < SESSION_ID_LENGTH; i++)
@@ -736,7 +736,7 @@ void httpd_appcall(void)
__xdata uint8_t *q = p;
while (*p && !is_separator(*p))
p++;
*p = '\0';
*p = NUL;
dbg_string_x(q);
dbg_char('\n');