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-rwxr-xr-xlib/checksrc.pl8
-rw-r--r--lib/cookie.c4
-rw-r--r--lib/curl_addrinfo.c26
-rw-r--r--lib/curl_addrinfo.h2
-rw-r--r--lib/curl_ntlm_wb.c3
-rw-r--r--lib/formdata.c12
-rw-r--r--lib/ftp.c44
-rw-r--r--lib/http.c6
-rw-r--r--lib/http_digest.c14
-rw-r--r--lib/inet_pton.c6
-rw-r--r--lib/md4.c3
-rw-r--r--lib/md5.c3
-rw-r--r--lib/nwlib.c6
-rw-r--r--lib/ssh.c35
-rw-r--r--lib/strerror.c20
-rw-r--r--lib/telnet.c3
-rw-r--r--lib/url.c24
-rw-r--r--lib/vtls/gtls.c3
-rw-r--r--lib/vtls/nss.c3
-rw-r--r--lib/vtls/openssl.c3
20 files changed, 140 insertions, 88 deletions
diff --git a/lib/checksrc.pl b/lib/checksrc.pl
index 022b193aa..c56e9c841 100755
--- a/lib/checksrc.pl
+++ b/lib/checksrc.pl
@@ -356,6 +356,14 @@ sub scanfile {
}
}
+ if($nostr =~ /^((.*)(if) *\()(.*)\)/) {
+ my $pos = length($1);
+ if($4 =~ / = /) {
+ checkwarn("ASSIGNWITHINCONDITION",
+ $line, $pos+1, $file, $l,
+ "assignment within conditional expression");
+ }
+ }
# check spaces after open parentheses
if($l =~ /^(.*[a-z])\( /i) {
checkwarn("SPACEAFTERPAREN",
diff --git a/lib/cookie.c b/lib/cookie.c
index 24db9c6fe..092a226f3 100644
--- a/lib/cookie.c
+++ b/lib/cookie.c
@@ -798,8 +798,8 @@ Curl_cookie_add(struct Curl_easy *data,
/* Check if the domain is a Public Suffix and if yes, ignore the cookie.
This needs a libpsl compiled with builtin data. */
if(domain && co->domain && !isip(co->domain)) {
- if(((psl = psl_builtin()) != NULL)
- && !psl_is_cookie_domain_acceptable(psl, domain, co->domain)) {
+ psl = psl_builtin();
+ if(psl && !psl_is_cookie_domain_acceptable(psl, domain, co->domain)) {
infof(data,
"cookie '%s' dropped, domain '%s' must not set cookies for '%s'\n",
co->name, domain, co->domain);
diff --git a/lib/curl_addrinfo.c b/lib/curl_addrinfo.c
index c8ff83c79..61cdaddc1 100644
--- a/lib/curl_addrinfo.c
+++ b/lib/curl_addrinfo.c
@@ -146,7 +146,8 @@ Curl_getaddrinfo_ex(const char *nodename,
if((size_t)ai->ai_addrlen < ss_size)
continue;
- if((ca = malloc(sizeof(Curl_addrinfo))) == NULL) {
+ ca = malloc(sizeof(Curl_addrinfo));
+ if(!ca) {
error = EAI_MEMORY;
break;
}
@@ -163,7 +164,8 @@ Curl_getaddrinfo_ex(const char *nodename,
ca->ai_canonname = NULL;
ca->ai_next = NULL;
- if((ca->ai_addr = malloc(ss_size)) == NULL) {
+ ca->ai_addr = malloc(ss_size);
+ if(!ca->ai_addr) {
error = EAI_MEMORY;
free(ca);
break;
@@ -171,7 +173,8 @@ Curl_getaddrinfo_ex(const char *nodename,
memcpy(ca->ai_addr, ai->ai_addr, ss_size);
if(ai->ai_canonname != NULL) {
- if((ca->ai_canonname = strdup(ai->ai_canonname)) == NULL) {
+ ca->ai_canonname = strdup(ai->ai_canonname);
+ if(!ca->ai_canonname) {
error = EAI_MEMORY;
free(ca->ai_addr);
free(ca);
@@ -291,16 +294,19 @@ Curl_he2ai(const struct hostent *he, int port)
#endif
ss_size = sizeof(struct sockaddr_in);
- if((ai = calloc(1, sizeof(Curl_addrinfo))) == NULL) {
+ ai = calloc(1, sizeof(Curl_addrinfo));
+ if(!ai) {
result = CURLE_OUT_OF_MEMORY;
break;
}
- if((ai->ai_canonname = strdup(he->h_name)) == NULL) {
+ ai->ai_canonname = strdup(he->h_name);
+ if(!ai->ai_canonname) {
result = CURLE_OUT_OF_MEMORY;
free(ai);
break;
}
- if((ai->ai_addr = calloc(1, ss_size)) == NULL) {
+ ai->ai_addr = calloc(1, ss_size);
+ if(!ai->ai_addr) {
result = CURLE_OUT_OF_MEMORY;
free(ai->ai_canonname);
free(ai);
@@ -475,8 +481,9 @@ Curl_addrinfo *Curl_str2addr(char *address, int port)
/**
* Given a path to a Unix domain socket, return a newly allocated Curl_addrinfo
* struct initialized with this path.
+ * Set '*longpath' to TRUE if the error is a too long path.
*/
-Curl_addrinfo *Curl_unix2addr(const char *path)
+Curl_addrinfo *Curl_unix2addr(const char *path, int *longpath)
{
Curl_addrinfo *ai;
struct sockaddr_un *sa_un;
@@ -485,8 +492,10 @@ Curl_addrinfo *Curl_unix2addr(const char *path)
ai = calloc(1, sizeof(Curl_addrinfo));
if(!ai)
return NULL;
- if((ai->ai_addr = calloc(1, sizeof(struct sockaddr_un))) == NULL) {
+ ai->ai_addr = calloc(1, sizeof(struct sockaddr_un));
+ if(!ai->ai_addr) {
free(ai);
+ *longpath = FALSE;
return NULL;
}
/* sun_path must be able to store the NUL-terminated path */
@@ -494,6 +503,7 @@ Curl_addrinfo *Curl_unix2addr(const char *path)
if(path_len >= sizeof(sa_un->sun_path)) {
free(ai->ai_addr);
free(ai);
+ *longpath = TRUE;
return NULL;
}
diff --git a/lib/curl_addrinfo.h b/lib/curl_addrinfo.h
index 1a681e61e..4f24730af 100644
--- a/lib/curl_addrinfo.h
+++ b/lib/curl_addrinfo.h
@@ -80,7 +80,7 @@ Curl_ip2addr(int af, const void *inaddr, const char *hostname, int port);
Curl_addrinfo *Curl_str2addr(char *dotted, int port);
#ifdef USE_UNIX_SOCKETS
-Curl_addrinfo *Curl_unix2addr(const char *path);
+Curl_addrinfo *Curl_unix2addr(const char *path, int *longpath);
#endif
#if defined(CURLDEBUG) && defined(HAVE_GETADDRINFO) && \
diff --git a/lib/curl_ntlm_wb.c b/lib/curl_ntlm_wb.c
index 4699d8f42..6a90e6236 100644
--- a/lib/curl_ntlm_wb.c
+++ b/lib/curl_ntlm_wb.c
@@ -157,7 +157,8 @@ static CURLcode ntlm_wb_init(struct connectdata *conn, const char *userp)
}
slash = strpbrk(username, "\\/");
if(slash) {
- if((domain = strdup(username)) == NULL)
+ domain = strdup(username);
+ if(!domain)
return CURLE_OUT_OF_MEMORY;
slash = domain + (slash - username);
*slash = '\0';
diff --git a/lib/formdata.c b/lib/formdata.c
index 53dee39f4..abd2da075 100644
--- a/lib/formdata.c
+++ b/lib/formdata.c
@@ -949,8 +949,8 @@ void Curl_formclean(struct FormData **form_ptr)
if(form->type <= FORM_CONTENT)
free(form->line); /* free the line */
free(form); /* free the struct */
-
- } while((form = next) != NULL); /* continue */
+ form = next;
+ } while(form); /* continue */
*form_ptr = NULL;
}
@@ -1031,8 +1031,8 @@ void curl_formfree(struct curl_httppost *form)
free(form->contenttype); /* free the content type */
free(form->showfilename); /* free the faked file name */
free(form); /* free the struct */
-
- } while((form = next) != NULL); /* continue */
+ form = next;
+ } while(form); /* continue */
}
#ifndef HAVE_BASENAME
@@ -1374,8 +1374,8 @@ CURLcode Curl_getformdata(struct Curl_easy *data,
if(result)
break;
}
-
- } while((post = post->next) != NULL); /* for each field */
+ post = post->next;
+ } while(post); /* for each field */
/* end-boundary for everything */
if(!result)
diff --git a/lib/ftp.c b/lib/ftp.c
index 683f05de4..c7c275549 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -1035,7 +1035,8 @@ static CURLcode ftp_state_use_port(struct connectdata *conn,
if(*string_ftpport == '[') {
/* [ipv6]:port(-range) */
ip_start = string_ftpport + 1;
- if((ip_end = strchr(string_ftpport, ']')) != NULL)
+ ip_end = strchr(string_ftpport, ']');
+ if(ip_end)
strncpy(addr, ip_start, ip_end - ip_start);
}
else
@@ -1043,30 +1044,35 @@ static CURLcode ftp_state_use_port(struct connectdata *conn,
if(*string_ftpport == ':') {
/* :port */
ip_end = string_ftpport;
- }
- else if((ip_end = strchr(string_ftpport, ':')) != NULL) {
- /* either ipv6 or (ipv4|domain|interface):port(-range) */
-#ifdef ENABLE_IPV6
- if(Curl_inet_pton(AF_INET6, string_ftpport, sa6) == 1) {
- /* ipv6 */
- port_min = port_max = 0;
- strcpy(addr, string_ftpport);
- ip_end = NULL; /* this got no port ! */
}
- else
+ else {
+ ip_end = strchr(string_ftpport, ':');
+ if(ip_end) {
+ /* either ipv6 or (ipv4|domain|interface):port(-range) */
+#ifdef ENABLE_IPV6
+ if(Curl_inet_pton(AF_INET6, string_ftpport, sa6) == 1) {
+ /* ipv6 */
+ port_min = port_max = 0;
+ strcpy(addr, string_ftpport);
+ ip_end = NULL; /* this got no port ! */
+ }
+ else
#endif
- /* (ipv4|domain|interface):port(-range) */
- strncpy(addr, string_ftpport, ip_end - ip_start);
- }
- else
- /* ipv4|interface */
- strcpy(addr, string_ftpport);
+ /* (ipv4|domain|interface):port(-range) */
+ strncpy(addr, string_ftpport, ip_end - ip_start);
+ }
+ else
+ /* ipv4|interface */
+ strcpy(addr, string_ftpport);
+ }
/* parse the port */
if(ip_end != NULL) {
- if((port_start = strchr(ip_end, ':')) != NULL) {
+ port_start = strchr(ip_end, ':');
+ if(port_start) {
port_min = curlx_ultous(strtoul(port_start+1, NULL, 10));
- if((port_sep = strchr(port_start, '-')) != NULL) {
+ port_sep = strchr(port_start, '-');
+ if(port_sep) {
port_max = curlx_ultous(strtoul(port_sep + 1, NULL, 10));
}
else
diff --git a/lib/http.c b/lib/http.c
index fba33d8e6..4c1c07fe7 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -840,9 +840,11 @@ CURLcode Curl_http_input_auth(struct connectdata *conn, bool proxy,
auth += strlen("NTLM");
while(*auth && ISSPACE(*auth))
auth++;
- if(*auth)
- if((conn->challenge_header = strdup(auth)) == NULL)
+ if(*auth) {
+ conn->challenge_header = strdup(auth);
+ if(!conn->challenge_header)
return CURLE_OUT_OF_MEMORY;
+ }
}
}
#endif
diff --git a/lib/http_digest.c b/lib/http_digest.c
index 91b88a383..0ed02493d 100644
--- a/lib/http_digest.c
+++ b/lib/http_digest.c
@@ -75,7 +75,7 @@ CURLcode Curl_output_digest(struct connectdata *conn,
CURLcode result;
struct Curl_easy *data = conn->data;
unsigned char *path;
- char *tmp;
+ char *tmp = NULL;
char *response;
size_t len;
bool have_chlg;
@@ -140,12 +140,14 @@ CURLcode Curl_output_digest(struct connectdata *conn,
http://www.fngtps.com/2006/09/http-authentication
*/
- if(authp->iestyle && ((tmp = strchr((char *)uripath, '?')) != NULL)) {
- size_t urilen = tmp - (char *)uripath;
-
- path = (unsigned char *) aprintf("%.*s", urilen, uripath);
+ if(authp->iestyle) {
+ tmp = strchr((char *)uripath, '?');
+ if(tmp) {
+ size_t urilen = tmp - (char *)uripath;
+ path = (unsigned char *) aprintf("%.*s", urilen, uripath);
+ }
}
- else
+ if(!tmp)
path = (unsigned char *) strdup((char *) uripath);
if(!path)
diff --git a/lib/inet_pton.c b/lib/inet_pton.c
index bff8ddadd..475f44abc 100644
--- a/lib/inet_pton.c
+++ b/lib/inet_pton.c
@@ -103,7 +103,8 @@ inet_pton4(const char *src, unsigned char *dst)
while((ch = *src++) != '\0') {
const char *pch;
- if((pch = strchr(digits, ch)) != NULL) {
+ pch = strchr(digits, ch);
+ if(pch) {
unsigned int val = *tp * 10 + (unsigned int)(pch - digits);
if(saw_digit && *tp == 0)
@@ -169,7 +170,8 @@ inet_pton6(const char *src, unsigned char *dst)
while((ch = *src++) != '\0') {
const char *pch;
- if((pch = strchr((xdigits = xdigits_l), ch)) == NULL)
+ pch = strchr((xdigits = xdigits_l), ch);
+ if(!pch)
pch = strchr((xdigits = xdigits_u), ch);
if(pch != NULL) {
val <<= 4;
diff --git a/lib/md4.c b/lib/md4.c
index 60f73a28b..1bdc9f367 100644
--- a/lib/md4.c
+++ b/lib/md4.c
@@ -213,7 +213,8 @@ static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size)
unsigned long used, available;
saved_lo = ctx->lo;
- if((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo)
+ ctx->lo = (saved_lo + size) & 0x1fffffff;
+ if(ctx->lo < saved_lo)
ctx->hi++;
ctx->hi += (MD4_u32plus)size >> 29;
diff --git a/lib/md5.c b/lib/md5.c
index 7a1cac902..f2dc16c09 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -402,7 +402,8 @@ static void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size)
unsigned long used, available;
saved_lo = ctx->lo;
- if((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo)
+ ctx->lo = (saved_lo + size) & 0x1fffffff;
+ if(ctx->lo < saved_lo)
ctx->hi++;
ctx->hi += (MD5_u32plus)size >> 29;
diff --git a/lib/nwlib.c b/lib/nwlib.c
index 27e33e472..290cbe31f 100644
--- a/lib/nwlib.c
+++ b/lib/nwlib.c
@@ -184,7 +184,8 @@ int GetOrSetUpData(int id, libdata_t **appData,
*/
NXLock(gLibLock);
- if(!(app_data = (libdata_t *) get_app_data(id))) {
+ app_data = (libdata_t *) get_app_data(id);
+ if(!app_data) {
app_data = malloc(sizeof(libdata_t));
if(app_data) {
@@ -259,7 +260,8 @@ int GetOrSetUpData(int id, libdata_t **appData,
err = ENOMEM;
}
- if((err = NXKeySetValue(key, thread_data))) {
+ err = NXKeySetValue(key, thread_data);
+ if(err) {
free(thread_data->twentybytes);
free(thread_data);
thread_data = (libthreaddata_t *) NULL;
diff --git a/lib/ssh.c b/lib/ssh.c
index 80831dbfa..9b014a4ff 100644
--- a/lib/ssh.c
+++ b/lib/ssh.c
@@ -782,14 +782,14 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
state(conn, SSH_AUTH_DONE);
break;
}
- else if((err = libssh2_session_last_errno(sshc->ssh_session)) ==
- LIBSSH2_ERROR_EAGAIN) {
- rc = LIBSSH2_ERROR_EAGAIN;
- break;
- }
else {
- state(conn, SSH_SESSION_FREE);
- sshc->actualcode = libssh2_session_error_to_CURLE(err);
+ err = libssh2_session_last_errno(sshc->ssh_session);
+ if(err == LIBSSH2_ERROR_EAGAIN)
+ rc = LIBSSH2_ERROR_EAGAIN;
+ else {
+ state(conn, SSH_SESSION_FREE);
+ sshc->actualcode = libssh2_session_error_to_CURLE(err);
+ }
break;
}
}
@@ -1987,12 +1987,14 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
break;
}
}
- if((sshc->readdir_filename = malloc(PATH_MAX+1)) == NULL) {
+ sshc->readdir_filename = malloc(PATH_MAX+1);
+ if(!sshc->readdir_filename) {
state(conn, SSH_SFTP_CLOSE);
sshc->actualcode = CURLE_OUT_OF_MEMORY;
break;
}
- if((sshc->readdir_longentry = malloc(PATH_MAX+1)) == NULL) {
+ sshc->readdir_longentry = malloc(PATH_MAX+1);
+ if(!sshc->readdir_longentry) {
Curl_safefree(sshc->readdir_filename);
state(conn, SSH_SFTP_CLOSE);
sshc->actualcode = CURLE_OUT_OF_MEMORY;
@@ -2789,13 +2791,16 @@ static int ssh_getsock(struct connectdata *conn,
static void ssh_block2waitfor(struct connectdata *conn, bool block)
{
struct ssh_conn *sshc = &conn->proto.sshc;
- int dir;
- if(block && (dir = libssh2_session_block_directions(sshc->ssh_session))) {
- /* translate the libssh2 define bits into our own bit defines */
- conn->waitfor = ((dir&LIBSSH2_SESSION_BLOCK_INBOUND)?KEEP_RECV:0) |
- ((dir&LIBSSH2_SESSION_BLOCK_OUTBOUND)?KEEP_SEND:0);
+ int dir = 0;
+ if(block) {
+ dir = libssh2_session_block_directions(sshc->ssh_session);
+ if(dir) {
+ /* translate the libssh2 define bits into our own bit defines */
+ conn->waitfor = ((dir&LIBSSH2_SESSION_BLOCK_INBOUND)?KEEP_RECV:0) |
+ ((dir&LIBSSH2_SESSION_BLOCK_OUTBOUND)?KEEP_SEND:0);
+ }
}
- else
+ if(!dir)
/* It didn't block or libssh2 didn't reveal in which direction, put back
the original set */
conn->waitfor = sshc->orig_waitfor;
diff --git a/lib/strerror.c b/lib/strerror.c
index 8f8ce036c..7e5cde47b 100644
--- a/lib/strerror.c
+++ b/lib/strerror.c
@@ -715,10 +715,12 @@ const char *Curl_strerror(struct connectdata *conn, int err)
buf[max] = '\0'; /* make sure the string is zero terminated */
/* strip trailing '\r\n' or '\n'. */
- if((p = strrchr(buf, '\n')) != NULL && (p - buf) >= 2)
- *p = '\0';
- if((p = strrchr(buf, '\r')) != NULL && (p - buf) >= 1)
- *p = '\0';
+ p = strrchr(buf, '\n');
+ if(p && (p - buf) >= 2)
+ *p = '\0';
+ p = strrchr(buf, '\r');
+ if(p && (p - buf) >= 1)
+ *p = '\0';
if(old_errno != ERRNO)
SET_ERRNO(old_errno);
@@ -1035,10 +1037,12 @@ const char *Curl_sspi_strerror (struct connectdata *conn, int err)
if(msg_formatted) {
msgbuf[sizeof(msgbuf)-1] = '\0';
/* strip trailing '\r\n' or '\n' */
- if((p = strrchr(msgbuf, '\n')) != NULL && (p - msgbuf) >= 2)
- *p = '\0';
- if((p = strrchr(msgbuf, '\r')) != NULL && (p - msgbuf) >= 1)
- *p = '\0';
+ p = strrchr(msgbuf, '\n');
+ if(p && (p - msgbuf) >= 2)
+ *p = '\0';
+ p = strrchr(msgbuf, '\r');
+ if(p && (p - msgbuf) >= 1)
+ *p = '\0';
msg = msgbuf;
}
if(msg)
diff --git a/lib/telnet.c b/lib/telnet.c
index 935cde35b..551af60f2 100644
--- a/lib/telnet.c
+++ b/lib/telnet.c
@@ -1489,7 +1489,8 @@ static CURLcode telnet_do(struct connectdata *conn, bool *done)
events.lNetworkEvents = 0;
if(SOCKET_ERROR == enum_netevents_func(sockfd, event_handle, &events)) {
- if((err = SOCKERRNO) != EINPROGRESS) {
+ err = SOCKERRNO;
+ if(err != EINPROGRESS) {
infof(data, "WSAEnumNetworkEvents failed (%d)", err);
keepon = FALSE;
result = CURLE_READ_ERROR;
diff --git a/lib/url.c b/lib/url.c
index acdda6313..45262d897 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -5822,18 +5822,22 @@ static CURLcode resolve_server(struct Curl_easy *data,
hostaddr = calloc(1, sizeof(struct Curl_dns_entry));
if(!hostaddr)
result = CURLE_OUT_OF_MEMORY;
- else if((hostaddr->addr = Curl_unix2addr(path)) != NULL)
- hostaddr->inuse++;
else {
- /* Long paths are not supported for now */
- if(strlen(path) >= sizeof(((struct sockaddr_un *)0)->sun_path)) {
- failf(data, "Unix socket path too long: '%s'", path);
- result = CURLE_COULDNT_RESOLVE_HOST;
+ int longpath=0;
+ hostaddr->addr = Curl_unix2addr(path, &longpath);
+ if(hostaddr->addr)
+ hostaddr->inuse++;
+ else {
+ /* Long paths are not supported for now */
+ if(longpath) {
+ failf(data, "Unix socket path too long: '%s'", path);
+ result = CURLE_COULDNT_RESOLVE_HOST;
+ }
+ else
+ result = CURLE_OUT_OF_MEMORY;
+ free(hostaddr);
+ hostaddr = NULL;
}
- else
- result = CURLE_OUT_OF_MEMORY;
- free(hostaddr);
- hostaddr = NULL;
}
}
else
diff --git a/lib/vtls/gtls.c b/lib/vtls/gtls.c
index 1435284b8..0e308cb79 100644
--- a/lib/vtls/gtls.c
+++ b/lib/vtls/gtls.c
@@ -242,7 +242,8 @@ static gnutls_datum_t load_file(const char *file)
long filelen;
void *ptr;
- if(!(f = fopen(file, "rb")))
+ f = fopen(file, "rb");
+ if(!f)
return loaded_file;
if(fseek(f, 0, SEEK_END) != 0
|| (filelen = ftell(f)) < 0
diff --git a/lib/vtls/nss.c b/lib/vtls/nss.c
index 455bad641..ba8d58260 100644
--- a/lib/vtls/nss.c
+++ b/lib/vtls/nss.c
@@ -254,7 +254,8 @@ static SECStatus set_ciphers(struct Curl_easy *data, PRFileDesc * model,
while((*cipher) && (ISSPACE(*cipher)))
++cipher;
- if((cipher_list = strchr(cipher, ','))) {
+ cipher_list = strchr(cipher, ',');
+ if(cipher_list) {
*cipher_list++ = '\0';
}
diff --git a/lib/vtls/openssl.c b/lib/vtls/openssl.c
index 75051d41e..94410df4b 100644
--- a/lib/vtls/openssl.c
+++ b/lib/vtls/openssl.c
@@ -2336,7 +2336,8 @@ static int asn1_object_dump(ASN1_OBJECT *a, char *buf, size_t len)
{
int i, ilen;
- if((ilen = (int)len) < 0)
+ ilen = (int)len;
+ if(ilen < 0)
return 1; /* buffer too big */
i = i2t_ASN1_OBJECT(buf, ilen, a);
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