3.3: compile time warnings #27
Description
Looks like there are some compile time warning.
(I'm using gcc 13.2)
base64.c: In function 'encode_base64':
base64.c:44:7: warning: pointer targets in assignment from 'char *' to 'const unsigned char *' differ in signedness [-Wpointer-sign]
44 | end = (char *)data + length - 3;
| ^
base64.c:91:9: warning: pointer targets in assignment from 'unsigned char *' to 'char *' differ in signedness [-Wpointer-sign]
91 | *code = buf - n;
| ^
hts.c: In function 'main':
hts.c:286:5: warning: ignoring return value of 'daemon' declared with attribute 'warn_unused_result' [-Wunused-result]
286 | daemon (0, 1);
| ^~~~~~~~~~~~~
http.c: In function 'http_method':
http.c:45:23: warning: format '%d' expects argument of type 'int', but argument 3 has type 'ssize_t' {aka 'long int'} [-Wformat=]
45 | sprintf (str, "%d", length);
| ~^ ~~~~~~
| | |
| int ssize_t {aka long int}
| %ld
http.c: In function 'parse_header':
http.c:329:11: warning: pointer targets in assignment from 'unsigned char *' to 'const char *' differ in signedness [-Wpointer-sign]
329 | h->name = data;
| ^
http.c:336:12: warning: pointer targets in assignment from 'unsigned char *' to 'const char *' differ in signedness [-Wpointer-sign]
336 | h->value = data;
| ^
http.c: In function 'http_parse_response':
http.c:506:35: warning: pointer targets in passing argument 1 of 'atoi' differ in signedness [-Wpointer-sign]
506 | response->major_version = atoi (data);
| ^~~~
| |
| unsigned char *
In file included from /usr/include/features.h:503,
from /usr/include/time.h:25,
from http.c:9:
/usr/include/stdlib.h:481:1: note: expected 'const char *' but argument is of type 'unsigned char *'
481 | __NTH (atoi (const char *__nptr))
| ^~~~~
http.c:519:35: warning: pointer targets in passing argument 1 of 'atoi' differ in signedness [-Wpointer-sign]
519 | response->minor_version = atoi (data);
| ^~~~
| |
| unsigned char *
/usr/include/stdlib.h:481:1: note: expected 'const char *' but argument is of type 'unsigned char *'
481 | __NTH (atoi (const char *__nptr))
| ^~~~~
http.c:532:33: warning: pointer targets in passing argument 1 of 'atoi' differ in signedness [-Wpointer-sign]
532 | response->status_code = atoi (data);
| ^~~~
| |
| unsigned char *
/usr/include/stdlib.h:481:1: note: expected 'const char *' but argument is of type 'unsigned char *'
481 | __NTH (atoi (const char *__nptr))
| ^~~~~
http.c:545:28: warning: pointer targets in assignment from 'unsigned char *' to 'const char *' differ in signedness [-Wpointer-sign]
545 | response->status_message = data;
| ^
http.c: In function 'http_parse_request':
http.c:654:44: warning: pointer targets in passing argument 1 of 'http_string_to_method' differ in signedness [-Wpointer-sign]
654 | request->method = http_string_to_method (data, n - 1);
| ^~~~
| |
| unsigned char *
http.c:157:36: note: expected 'const char *' but argument is of type 'unsigned char *'
157 | http_string_to_method (const char *method, size_t n)
| ~~~~~~~~~~~~^~~~~~
http.c:674:16: warning: pointer targets in assignment from 'unsigned char *' to 'const char *' differ in signedness [-Wpointer-sign]
674 | request->uri = data;
| ^
http.c:701:34: warning: pointer targets in passing argument 1 of 'atoi' differ in signedness [-Wpointer-sign]
701 | request->major_version = atoi (data);
| ^~~~
| |
| unsigned char *
/usr/include/stdlib.h:481:1: note: expected 'const char *' but argument is of type 'unsigned char *'
481 | __NTH (atoi (const char *__nptr))
| ^~~~~
http.c:714:34: warning: pointer targets in passing argument 1 of 'atoi' differ in signedness [-Wpointer-sign]
714 | request->minor_version = atoi (data);
| ^~~~
| |
| unsigned char *
/usr/include/stdlib.h:481:1: note: expected 'const char *' but argument is of type 'unsigned char *'
481 | __NTH (atoi (const char *__nptr))
| ^~~~~
htc.c: In function 'main':
htc.c:411:5: warning: ignoring return value of 'daemon' declared with attribute 'warn_unused_result' [-Wunused-result]
411 | daemon (0, 1);
| ^~~~~~~~~~~~~
tunnel.c: In function 'tunnel_in_setsockopts':
tunnel.c:164:19: warning: pointer targets in passing argument 5 of 'getsockopt' differ in signedness [-Wpointer-sign]
164 | &n);
| ^~
| |
| int *
In file included from /usr/include/netinet/in.h:23,
from /usr/include/netdb.h:27,
from port/netdb_.h:10,
from tunnel.c:11:
/usr/include/sys/socket.h:257:46: note: expected 'socklen_t * restrict' {aka 'unsigned int * restrict'} but argument is of type 'int *'
257 | socklen_t *__restrict __optlen) __THROW;
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
tunnel.c: In function 'tunnel_out_setsockopts':
tunnel.c:198:21: warning: pointer targets in passing argument 5 of 'getsockopt' differ in signedness [-Wpointer-sign]
198 | &n);
| ^~
| |
| int *
/usr/include/sys/socket.h:257:46: note: expected 'socklen_t * restrict' {aka 'unsigned int * restrict'} but argument is of type 'int *'
257 | socklen_t *__restrict __optlen) __THROW;
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
tunnel.c:225:17: warning: pointer targets in passing argument 5 of 'getsockopt' differ in signedness [-Wpointer-sign]
225 | &n);
| ^~
| |
| int *
/usr/include/sys/socket.h:257:46: note: expected 'socklen_t * restrict' {aka 'unsigned int * restrict'} but argument is of type 'int *'
257 | socklen_t *__restrict __optlen) __THROW;
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
tunnel.c:254:21: warning: pointer targets in passing argument 5 of 'getsockopt' differ in signedness [-Wpointer-sign]
254 | &n);
| ^~
| |
| int *
/usr/include/sys/socket.h:257:46: note: expected 'socklen_t * restrict' {aka 'unsigned int * restrict'} but argument is of type 'int *'
257 | socklen_t *__restrict __optlen) __THROW;
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
tunnel.c:303:17: warning: pointer targets in passing argument 5 of 'getsockopt' differ in signedness [-Wpointer-sign]
303 | &n);
| ^~
| |
| int *
/usr/include/sys/socket.h:257:46: note: expected 'socklen_t * restrict' {aka 'unsigned int * restrict'} but argument is of type 'int *'
257 | socklen_t *__restrict __optlen) __THROW;
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
tunnel.c: In function 'tunnel_read':
tunnel.c:934:48: warning: pointer targets in passing argument 3 of 'tunnel_read_request' differ in signedness [-Wpointer-sign]
934 | if (tunnel_read_request (tunnel, &req, tunnel->buf, &len) <= 0)
| ~~~~~~^~~~~
| |
| char *
tunnel.c:808:37: note: expected 'unsigned char *' but argument is of type 'char *'
808 | unsigned char *buf, size_t *length)
| ~~~~~~~~~~~~~~~^~~
tunnel.c: In function 'tunnel_accept':
tunnel.c:1115:68: warning: pointer targets in passing argument 3 of 'accept' differ in signedness [-Wpointer-sign]
1115 | s = accept (tunnel->server_socket, (struct sockaddr *)&addr, &len);
| ^~~~
| |
| int *
/usr/include/sys/socket.h:307:42: note: expected 'socklen_t * restrict' {aka 'unsigned int * restrict'} but argument is of type 'int *'
307 | socklen_t *__restrict __addr_len);
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
tunnel.c:1177:1: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
1177 | "HTTP/1.1 200 OK\r\n"
| ^~~~~~~~~~~~~~~~~~~~~
......
1191 | tunnel->content_length + 1);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~
| |
| size_t {aka long unsigned int}
tunnel.c:1183:19: note: format string is defined here
1183 | "Content-Length: %d\r\n"
| ~^
| |
| int
| %ld