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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
No known key found for this signature in database
GPG key ID: 5CC908FDB71E12C2
92 changed files with 632 additions and 631 deletions
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10
lib/urlapi.c
View file

@ -203,7 +203,7 @@ void Curl_strcpy_url(char *output, const char *url, bool relative)
/* FALLTHROUGH */
default:
if(urlchar_needs_escaping(*iptr)) {
snprintf(optr, 4, "%%%02x", *iptr);
msnprintf(optr, 4, "%%%02x", *iptr);
optr += 3;
}
else
@ -531,7 +531,7 @@ static CURLUcode parse_port(struct Curl_URL *u, char *hostname)
*portptr++ = '\0'; /* cut off the name there */
*rest = 0;
/* generate a new to get rid of leading zeroes etc */
snprintf(portbuf, sizeof(portbuf), "%ld", port);
msnprintf(portbuf, sizeof(portbuf), "%ld", port);
u->portnum = port;
u->port = strdup(portbuf);
if(!u->port)
@ -964,7 +964,7 @@ CURLUcode curl_url_get(CURLU *u, CURLUPart what,
const struct Curl_handler *h =
Curl_builtin_scheme(u->scheme);
if(h) {
snprintf(portbuf, sizeof(portbuf), "%ld", h->defport);
msnprintf(portbuf, sizeof(portbuf), "%ld", h->defport);
ptr = portbuf;
}
}
@ -1023,7 +1023,7 @@ CURLUcode curl_url_get(CURLU *u, CURLUPart what,
/* there's no stored port number, but asked to deliver
a default one for the scheme */
if(h) {
snprintf(portbuf, sizeof(portbuf), "%ld", h->defport);
msnprintf(portbuf, sizeof(portbuf), "%ld", h->defport);
port = portbuf;
}
}
@ -1287,7 +1287,7 @@ CURLUcode curl_url_set(CURLU *u, CURLUPart what,
o++;
}
else {
snprintf(o, 4, "%%%02x", *i);
msnprintf(o, 4, "%%%02x", *i);
o += 3;
}
}