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snprintf: renamed and we now only use msnprintf()

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The function does not return the same value as snprintf() normally does,
so readers may be mislead into thinking the code works differently than
it actually does. A different function name makes this easier to detect.

Reported-by: Tomas Hoger
Assisted-by: Daniel Gustafsson
Fixes #3296
Closes #3297
This commit is contained in:
Daniel Stenberg 2018-11-22 09:01:24 +01:00
parent 9944d6ba33
commit dcd6f81025
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GPG key ID: 5CC908FDB71E12C2
92 changed files with 632 additions and 631 deletions
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40
lib/http.c
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@ -1478,14 +1478,14 @@ static CURLcode add_haproxy_protocol_header(struct connectdata *conn)
strcpy(tcp_version, "TCP4");
}
snprintf(proxy_header,
sizeof(proxy_header),
"PROXY %s %s %s %li %li\r\n",
tcp_version,
conn->data->info.conn_local_ip,
conn->data->info.conn_primary_ip,
conn->data->info.conn_local_port,
conn->data->info.conn_primary_port);
msnprintf(proxy_header,
sizeof(proxy_header),
"PROXY %s %s %s %li %li\r\n",
tcp_version,
conn->data->info.conn_local_ip,
conn->data->info.conn_primary_ip,
conn->data->info.conn_local_port,
conn->data->info.conn_primary_port);
req_buffer = Curl_add_buffer_init();
if(!req_buffer)
@ -1849,16 +1849,16 @@ CURLcode Curl_add_timecondition(struct Curl_easy *data,
*/
/* format: "Tue, 15 Nov 1994 12:45:26 GMT" */
snprintf(datestr, sizeof(datestr),
"%s: %s, %02d %s %4d %02d:%02d:%02d GMT\r\n",
condp,
Curl_wkday[tm->tm_wday?tm->tm_wday-1:6],
tm->tm_mday,
Curl_month[tm->tm_mon],
tm->tm_year + 1900,
tm->tm_hour,
tm->tm_min,
tm->tm_sec);
msnprintf(datestr, sizeof(datestr),
"%s: %s, %02d %s %4d %02d:%02d:%02d GMT\r\n",
condp,
Curl_wkday[tm->tm_wday?tm->tm_wday-1:6],
tm->tm_mday,
Curl_month[tm->tm_mon],
tm->tm_year + 1900,
tm->tm_hour,
tm->tm_min,
tm->tm_sec);
result = Curl_add_buffer(&req_buffer, datestr, strlen(datestr));
@ -2292,8 +2292,8 @@ CURLcode Curl_http(struct connectdata *conn, bool *done)
if(!*data->state.up.path && path[strlen(path) - 1] != '/') {
*p++ = '/';
}
snprintf(p, sizeof(ftp_typecode) - 1, ";type=%c",
data->set.prefer_ascii ? 'a' : 'i');
msnprintf(p, sizeof(ftp_typecode) - 1, ";type=%c",
data->set.prefer_ascii ? 'a' : 'i');
}
}
if(conn->bits.user_passwd && !conn->bits.userpwd_in_url)