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authorJay Satiro <raysatiro@yahoo.com>2017-06-19 00:52:38 -0400
committerJay Satiro <raysatiro@yahoo.com>2017-07-10 02:09:27 -0400
commitaf0216251b94e751baa47146ac9609db70793b8e (patch)
treede39c7130d519f0bcda17b9a09df822f02fc32e6
parent17da6750026cf00277aad3a44fd20b1a4cea6406 (diff)
curl_setup_once: Remove ERRNO/SET_ERRNO macros
Prior to this change (SET_)ERRNO mapped to GetLastError/SetLastError for Win32 and regular errno otherwise. I reviewed the code and found no justifiable reason for conflating errno on WIN32 with GetLastError/SetLastError. All Win32 CRTs support errno, and any Win32 multithreaded CRT supports thread-local errno. Fixes https://github.com/curl/curl/issues/895 Closes https://github.com/curl/curl/pull/1589
-rw-r--r--lib/asyn-thread.c7
-rw-r--r--lib/connect.c20
-rw-r--r--lib/curl_ntlm_wb.c19
-rw-r--r--lib/curl_setup_once.h14
-rw-r--r--lib/curl_threads.c15
-rw-r--r--lib/inet_ntop.c12
-rw-r--r--lib/inet_pton.c6
-rw-r--r--lib/non-ascii.c21
-rw-r--r--lib/parsedate.c10
-rw-r--r--lib/strerror.c24
-rw-r--r--lib/strtoofft.c2
-rw-r--r--lib/telnet.c13
-rw-r--r--src/tool_dirhie.c2
-rw-r--r--src/tool_paramhlp.c4
14 files changed, 76 insertions, 93 deletions
diff --git a/lib/asyn-thread.c b/lib/asyn-thread.c
index 4250e276a..8936b6033 100644
--- a/lib/asyn-thread.c
+++ b/lib/asyn-thread.c
@@ -407,9 +407,7 @@ static bool init_resolve_thread(struct connectdata *conn,
#endif
if(!td->thread_hnd) {
-#ifndef _WIN32_WCE
err = errno;
-#endif
goto err_exit;
}
@@ -418,8 +416,7 @@ static bool init_resolve_thread(struct connectdata *conn,
err_exit:
destroy_async_data(&conn->async);
- SET_ERRNO(err);
-
+ errno = err;
return FALSE;
}
@@ -655,7 +652,7 @@ Curl_addrinfo *Curl_resolver_getaddrinfo(struct connectdata *conn,
/* fall-back to blocking version */
infof(conn->data, "init_resolve_thread() failed for %s; %s\n",
- hostname, Curl_strerror(conn, ERRNO));
+ hostname, Curl_strerror(conn, errno));
error = Curl_getaddrinfo_ex(hostname, sbuf, &hints, &res);
if(error) {
diff --git a/lib/connect.c b/lib/connect.c
index e959c1e9b..8063cf005 100644
--- a/lib/connect.c
+++ b/lib/connect.c
@@ -607,7 +607,8 @@ void Curl_persistconninfo(struct connectdata *conn)
conn->data->info.conn_local_port = conn->local_port;
}
-/* retrieves ip address and port from a sockaddr structure */
+/* retrieves ip address and port from a sockaddr structure.
+ note it calls Curl_inet_ntop which sets errno on fail, not SOCKERRNO. */
static bool getaddressinfo(struct sockaddr *sa, char *addr,
long *port)
{
@@ -654,7 +655,7 @@ static bool getaddressinfo(struct sockaddr *sa, char *addr,
addr[0] = '\0';
*port = 0;
-
+ errno = EAFNOSUPPORT;
return FALSE;
}
@@ -672,11 +673,9 @@ void Curl_updateconninfo(struct connectdata *conn, curl_socket_t sockfd)
return;
if(!conn->bits.reuse && !conn->bits.tcp_fastopen) {
- int error;
-
len = sizeof(struct Curl_sockaddr_storage);
if(getpeername(sockfd, (struct sockaddr*) &ssrem, &len)) {
- error = SOCKERRNO;
+ int error = SOCKERRNO;
failf(data, "getpeername() failed with errno %d: %s",
error, Curl_strerror(conn, error));
return;
@@ -685,7 +684,7 @@ void Curl_updateconninfo(struct connectdata *conn, curl_socket_t sockfd)
len = sizeof(struct Curl_sockaddr_storage);
memset(&ssloc, 0, sizeof(ssloc));
if(getsockname(sockfd, (struct sockaddr*) &ssloc, &len)) {
- error = SOCKERRNO;
+ int error = SOCKERRNO;
failf(data, "getsockname() failed with errno %d: %s",
error, Curl_strerror(conn, error));
return;
@@ -693,18 +692,16 @@ void Curl_updateconninfo(struct connectdata *conn, curl_socket_t sockfd)
if(!getaddressinfo((struct sockaddr*)&ssrem,
conn->primary_ip, &conn->primary_port)) {
- error = ERRNO;
failf(data, "ssrem inet_ntop() failed with errno %d: %s",
- error, Curl_strerror(conn, error));
+ errno, Curl_strerror(conn, errno));
return;
}
memcpy(conn->ip_addr_str, conn->primary_ip, MAX_IPADR_LEN);
if(!getaddressinfo((struct sockaddr*)&ssloc,
conn->local_ip, &conn->local_port)) {
- error = ERRNO;
failf(data, "ssloc inet_ntop() failed with errno %d: %s",
- error, Curl_strerror(conn, error));
+ errno, Curl_strerror(conn, errno));
return;
}
@@ -995,9 +992,8 @@ static CURLcode singleipconnect(struct connectdata *conn,
if(!getaddressinfo((struct sockaddr*)&addr.sa_addr,
ipaddress, &port)) {
/* malformed address or bug in inet_ntop, try next address */
- error = ERRNO;
failf(data, "sa_addr inet_ntop() failed with errno %d: %s",
- error, Curl_strerror(conn, error));
+ errno, Curl_strerror(conn, errno));
Curl_closesocket(conn, sockfd);
return CURLE_OK;
}
diff --git a/lib/curl_ntlm_wb.c b/lib/curl_ntlm_wb.c
index 9f5b87bc3..9e9586cc3 100644
--- a/lib/curl_ntlm_wb.c
+++ b/lib/curl_ntlm_wb.c
@@ -123,7 +123,6 @@ static CURLcode ntlm_wb_init(struct connectdata *conn, const char *userp)
struct passwd pw, *pw_res;
char pwbuf[1024];
#endif
- int error;
/* Return if communication with ntlm_auth already set up */
if(conn->ntlm_auth_hlpr_socket != CURL_SOCKET_BAD ||
@@ -178,26 +177,23 @@ static CURLcode ntlm_wb_init(struct connectdata *conn, const char *userp)
ntlm_auth = NTLM_WB_FILE;
if(access(ntlm_auth, X_OK) != 0) {
- error = ERRNO;
failf(conn->data, "Could not access ntlm_auth: %s errno %d: %s",
- ntlm_auth, error, Curl_strerror(conn, error));
+ ntlm_auth, errno, Curl_strerror(conn, errno));
goto done;
}
if(socketpair(AF_UNIX, SOCK_STREAM, 0, sockfds)) {
- error = ERRNO;
failf(conn->data, "Could not open socket pair. errno %d: %s",
- error, Curl_strerror(conn, error));
+ errno, Curl_strerror(conn, errno));
goto done;
}
child_pid = fork();
if(child_pid == -1) {
- error = ERRNO;
sclose(sockfds[0]);
sclose(sockfds[1]);
failf(conn->data, "Could not fork. errno %d: %s",
- error, Curl_strerror(conn, error));
+ errno, Curl_strerror(conn, errno));
goto done;
}
else if(!child_pid) {
@@ -208,16 +204,14 @@ static CURLcode ntlm_wb_init(struct connectdata *conn, const char *userp)
/* Don't use sclose in the child since it fools the socket leak detector */
sclose_nolog(sockfds[0]);
if(dup2(sockfds[1], STDIN_FILENO) == -1) {
- error = ERRNO;
failf(conn->data, "Could not redirect child stdin. errno %d: %s",
- error, Curl_strerror(conn, error));
+ errno, Curl_strerror(conn, errno));
exit(1);
}
if(dup2(sockfds[1], STDOUT_FILENO) == -1) {
- error = ERRNO;
failf(conn->data, "Could not redirect child stdout. errno %d: %s",
- error, Curl_strerror(conn, error));
+ errno, Curl_strerror(conn, errno));
exit(1);
}
@@ -235,10 +229,9 @@ static CURLcode ntlm_wb_init(struct connectdata *conn, const char *userp)
"--username", username,
NULL);
- error = ERRNO;
sclose_nolog(sockfds[1]);
failf(conn->data, "Could not execl(). errno %d: %s",
- error, Curl_strerror(conn, error));
+ errno, Curl_strerror(conn, errno));
exit(1);
}
diff --git a/lib/curl_setup_once.h b/lib/curl_setup_once.h
index 684187cae..a5b542c6e 100644
--- a/lib/curl_setup_once.h
+++ b/lib/curl_setup_once.h
@@ -436,20 +436,6 @@ typedef int sig_atomic_t;
/*
- * Macro ERRNO / SET_ERRNO() returns / sets the NOT *socket-related* errno
- * (or equivalent) on this platform to hide platform details to code using it.
- */
-
-#if defined(WIN32) && !defined(USE_LWIPSOCK)
-#define ERRNO ((int)GetLastError())
-#define SET_ERRNO(x) (SetLastError((DWORD)(x)))
-#else
-#define ERRNO (errno)
-#define SET_ERRNO(x) (errno = (x))
-#endif
-
-
-/*
* Portable error number symbolic names defined to Winsock error codes.
*/
diff --git a/lib/curl_threads.c b/lib/curl_threads.c
index a78eff5c2..19897107a 100644
--- a/lib/curl_threads.c
+++ b/lib/curl_threads.c
@@ -104,15 +104,22 @@ int Curl_thread_join(curl_thread_t *hnd)
curl_thread_t Curl_thread_create(unsigned int (CURL_STDCALL *func) (void *),
void *arg)
{
+ curl_thread_t t;
#ifdef _WIN32_WCE
- return CreateThread(NULL, 0, func, arg, 0, NULL);
+ t = CreateThread(NULL, 0, func, arg, 0, NULL);
#else
- curl_thread_t t;
t = (curl_thread_t)_beginthreadex(NULL, 0, func, arg, 0, NULL);
- if((t == 0) || (t == (curl_thread_t)-1L))
+#endif
+ if((t == 0) || (t == (curl_thread_t)-1L)) {
+#ifdef _WIN32_WCE
+ DWORD gle = GetLastError();
+ errno = ((gle == ERROR_ACCESS_DENIED ||
+ gle == ERROR_NOT_ENOUGH_MEMORY) ?
+ EACCES : EINVAL);
+#endif
return curl_thread_t_null;
+ }
return t;
-#endif
}
void Curl_thread_destroy(curl_thread_t hnd)
diff --git a/lib/inet_ntop.c b/lib/inet_ntop.c
index 9afbdbb32..22f08e84d 100644
--- a/lib/inet_ntop.c
+++ b/lib/inet_ntop.c
@@ -63,7 +63,7 @@ static char *inet_ntop4 (const unsigned char *src, char *dst, size_t size)
len = strlen(tmp);
if(len == 0 || len >= size) {
- SET_ERRNO(ENOSPC);
+ errno = ENOSPC;
return (NULL);
}
strcpy(dst, tmp);
@@ -142,7 +142,7 @@ static char *inet_ntop6 (const unsigned char *src, char *dst, size_t size)
if(i == 6 && best.base == 0 &&
(best.len == 6 || (best.len == 5 && words[5] == 0xffff))) {
if(!inet_ntop4(src+12, tp, sizeof(tmp) - (tp - tmp))) {
- SET_ERRNO(ENOSPC);
+ errno = ENOSPC;
return (NULL);
}
tp += strlen(tp);
@@ -160,7 +160,7 @@ static char *inet_ntop6 (const unsigned char *src, char *dst, size_t size)
/* Check for overflow, copy, and we're done.
*/
if((size_t)(tp - tmp) > size) {
- SET_ERRNO(ENOSPC);
+ errno = ENOSPC;
return (NULL);
}
strcpy(dst, tmp);
@@ -177,8 +177,8 @@ static char *inet_ntop6 (const unsigned char *src, char *dst, size_t size)
*
* On Windows we store the error in the thread errno, not
* in the winsock error code. This is to avoid losing the
- * actual last winsock error. So use macro ERRNO to fetch the
- * errno this function sets when returning NULL, not SOCKERRNO.
+ * actual last winsock error. So when this function returns
+ * NULL, check errno not SOCKERRNO.
*/
char *Curl_inet_ntop(int af, const void *src, char *buf, size_t size)
{
@@ -190,7 +190,7 @@ char *Curl_inet_ntop(int af, const void *src, char *buf, size_t size)
return inet_ntop6((const unsigned char *)src, buf, size);
#endif
default:
- SET_ERRNO(EAFNOSUPPORT);
+ errno = EAFNOSUPPORT;
return NULL;
}
}
diff --git a/lib/inet_pton.c b/lib/inet_pton.c
index 475f44abc..fef9610d1 100644
--- a/lib/inet_pton.c
+++ b/lib/inet_pton.c
@@ -57,8 +57,8 @@ static int inet_pton6(const char *src, unsigned char *dst);
* notice:
* On Windows we store the error in the thread errno, not
* in the winsock error code. This is to avoid losing the
- * actual last winsock error. So use macro ERRNO to fetch the
- * errno this function sets when returning (-1), not SOCKERRNO.
+ * actual last winsock error. So when this function returns
+ * -1, check errno not SOCKERRNO.
* author:
* Paul Vixie, 1996.
*/
@@ -73,7 +73,7 @@ Curl_inet_pton(int af, const char *src, void *dst)
return (inet_pton6(src, (unsigned char *)dst));
#endif
default:
- SET_ERRNO(EAFNOSUPPORT);
+ errno = EAFNOSUPPORT;
return (-1);
}
/* NOTREACHED */
diff --git a/lib/non-ascii.c b/lib/non-ascii.c
index 2f5de4c68..ae0097036 100644
--- a/lib/non-ascii.c
+++ b/lib/non-ascii.c
@@ -98,19 +98,17 @@ CURLcode Curl_convert_to_network(struct Curl_easy *data,
/* do the translation ourselves */
char *input_ptr, *output_ptr;
size_t in_bytes, out_bytes, rc;
- int error;
/* open an iconv conversion descriptor if necessary */
if(data->outbound_cd == (iconv_t)-1) {
data->outbound_cd = iconv_open(CURL_ICONV_CODESET_OF_NETWORK,
CURL_ICONV_CODESET_OF_HOST);
if(data->outbound_cd == (iconv_t)-1) {
- error = ERRNO;
failf(data,
"The iconv_open(\"%s\", \"%s\") call failed with errno %i: %s",
CURL_ICONV_CODESET_OF_NETWORK,
CURL_ICONV_CODESET_OF_HOST,
- error, strerror(error));
+ errno, strerror(errno));
return CURLE_CONV_FAILED;
}
}
@@ -120,10 +118,9 @@ CURLcode Curl_convert_to_network(struct Curl_easy *data,
rc = iconv(data->outbound_cd, (const char **)&input_ptr, &in_bytes,
&output_ptr, &out_bytes);
if((rc == ICONV_ERROR) || (in_bytes != 0)) {
- error = ERRNO;
failf(data,
"The Curl_convert_to_network iconv call failed with errno %i: %s",
- error, strerror(error));
+ errno, strerror(errno));
return CURLE_CONV_FAILED;
}
#else
@@ -158,19 +155,17 @@ CURLcode Curl_convert_from_network(struct Curl_easy *data,
/* do the translation ourselves */
char *input_ptr, *output_ptr;
size_t in_bytes, out_bytes, rc;
- int error;
/* open an iconv conversion descriptor if necessary */
if(data->inbound_cd == (iconv_t)-1) {
data->inbound_cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
CURL_ICONV_CODESET_OF_NETWORK);
if(data->inbound_cd == (iconv_t)-1) {
- error = ERRNO;
failf(data,
"The iconv_open(\"%s\", \"%s\") call failed with errno %i: %s",
CURL_ICONV_CODESET_OF_HOST,
CURL_ICONV_CODESET_OF_NETWORK,
- error, strerror(error));
+ errno, strerror(errno));
return CURLE_CONV_FAILED;
}
}
@@ -180,10 +175,9 @@ CURLcode Curl_convert_from_network(struct Curl_easy *data,
rc = iconv(data->inbound_cd, (const char **)&input_ptr, &in_bytes,
&output_ptr, &out_bytes);
if((rc == ICONV_ERROR) || (in_bytes != 0)) {
- error = ERRNO;
failf(data,
"Curl_convert_from_network iconv call failed with errno %i: %s",
- error, strerror(error));
+ errno, strerror(errno));
return CURLE_CONV_FAILED;
}
#else
@@ -219,19 +213,17 @@ CURLcode Curl_convert_from_utf8(struct Curl_easy *data,
const char *input_ptr;
char *output_ptr;
size_t in_bytes, out_bytes, rc;
- int error;
/* open an iconv conversion descriptor if necessary */
if(data->utf8_cd == (iconv_t)-1) {
data->utf8_cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
CURL_ICONV_CODESET_FOR_UTF8);
if(data->utf8_cd == (iconv_t)-1) {
- error = ERRNO;
failf(data,
"The iconv_open(\"%s\", \"%s\") call failed with errno %i: %s",
CURL_ICONV_CODESET_OF_HOST,
CURL_ICONV_CODESET_FOR_UTF8,
- error, strerror(error));
+ errno, strerror(errno));
return CURLE_CONV_FAILED;
}
}
@@ -241,10 +233,9 @@ CURLcode Curl_convert_from_utf8(struct Curl_easy *data,
rc = iconv(data->utf8_cd, &input_ptr, &in_bytes,
&output_ptr, &out_bytes);
if((rc == ICONV_ERROR) || (in_bytes != 0)) {
- error = ERRNO;
failf(data,
"The Curl_convert_from_utf8 iconv call failed with errno %i: %s",
- error, strerror(error));
+ errno, strerror(errno));
return CURLE_CONV_FAILED;
}
if(output_ptr < input_ptr) {
diff --git a/lib/parsedate.c b/lib/parsedate.c
index 3c783be48..609fd5363 100644
--- a/lib/parsedate.c
+++ b/lib/parsedate.c
@@ -404,12 +404,12 @@ static int parsedate(const char *date, time_t *output)
int error;
int old_errno;
- old_errno = ERRNO;
- SET_ERRNO(0);
+ old_errno = errno;
+ errno = 0;
lval = strtol(date, &end, 10);
- error = ERRNO;
- if(error != old_errno)
- SET_ERRNO(old_errno);
+ error = errno;
+ if(errno != old_errno)
+ errno = old_errno;
if(error)
return PARSEDATE_FAIL;
diff --git a/lib/strerror.c b/lib/strerror.c
index 7e5cde47b..35dc0a421 100644
--- a/lib/strerror.c
+++ b/lib/strerror.c
@@ -630,11 +630,15 @@ const char *Curl_strerror(struct connectdata *conn, int err)
{
char *buf, *p;
size_t max;
- int old_errno = ERRNO;
+ int old_errno;
+ DWORD old_win_err;
DEBUGASSERT(conn);
DEBUGASSERT(err >= 0);
+ old_errno = errno;
+ old_win_err = GetLastError();
+
buf = conn->syserr_buf;
max = sizeof(conn->syserr_buf)-1;
*buf = '\0';
@@ -722,8 +726,11 @@ const char *Curl_strerror(struct connectdata *conn, int err)
if(p && (p - buf) >= 1)
*p = '\0';
- if(old_errno != ERRNO)
- SET_ERRNO(old_errno);
+ if(old_win_err != GetLastError())
+ SetLastError(old_win_err);
+
+ if(errno != old_errno)
+ errno = old_errno;
return buf;
}
@@ -737,6 +744,7 @@ const char *Curl_sspi_strerror (struct connectdata *conn, int err)
char *p, *str, *msg = NULL;
bool msg_formatted = FALSE;
int old_errno;
+ DWORD old_win_err;
#endif
const char *txt;
char *outbuf;
@@ -750,7 +758,8 @@ const char *Curl_sspi_strerror (struct connectdata *conn, int err)
#ifndef CURL_DISABLE_VERBOSE_STRINGS
- old_errno = ERRNO;
+ old_errno = errno;
+ old_win_err = GetLastError();
switch(err) {
case SEC_E_OK:
@@ -1051,8 +1060,11 @@ const char *Curl_sspi_strerror (struct connectdata *conn, int err)
strncpy(outbuf, str, outmax);
}
- if(old_errno != ERRNO)
- SET_ERRNO(old_errno);
+ if(old_win_err != GetLastError())
+ SetLastError(old_win_err);
+
+ if(errno != old_errno)
+ errno = old_errno;
#else
diff --git a/lib/strtoofft.c b/lib/strtoofft.c
index b854bf4de..bd3432ab8 100644
--- a/lib/strtoofft.c
+++ b/lib/strtoofft.c
@@ -132,7 +132,7 @@ curlx_strtoll(const char *nptr, char **endptr, int base)
else
value = CURL_OFF_T_MAX;
- SET_ERRNO(ERANGE);
+ errno = ERANGE;
}
if(endptr)
diff --git a/lib/telnet.c b/lib/telnet.c
index 122100523..269b193d0 100644
--- a/lib/telnet.c
+++ b/lib/telnet.c
@@ -1357,14 +1357,14 @@ static CURLcode telnet_do(struct connectdata *conn, bool *done)
/* load ws2_32.dll and get the function pointers we need. */
wsock2 = Curl_load_library(TEXT("WS2_32.DLL"));
if(wsock2 == NULL) {
- failf(data, "failed to load WS2_32.DLL (%d)", ERRNO);
+ failf(data, "failed to load WS2_32.DLL (%u)", GetLastError());
return CURLE_FAILED_INIT;
}
/* Grab a pointer to WSACreateEvent */
create_event_func = GetProcAddress(wsock2, "WSACreateEvent");
if(create_event_func == NULL) {
- failf(data, "failed to find WSACreateEvent function (%d)", ERRNO);
+ failf(data, "failed to find WSACreateEvent function (%u)", GetLastError());
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
@@ -1372,7 +1372,7 @@ static CURLcode telnet_do(struct connectdata *conn, bool *done)
/* And WSACloseEvent */
close_event_func = GetProcAddress(wsock2, "WSACloseEvent");
if(close_event_func == NULL) {
- failf(data, "failed to find WSACloseEvent function (%d)", ERRNO);
+ failf(data, "failed to find WSACloseEvent function (%u)", GetLastError());
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
@@ -1380,7 +1380,7 @@ static CURLcode telnet_do(struct connectdata *conn, bool *done)
/* And WSAEventSelect */
event_select_func = GetProcAddress(wsock2, "WSAEventSelect");
if(event_select_func == NULL) {
- failf(data, "failed to find WSAEventSelect function (%d)", ERRNO);
+ failf(data, "failed to find WSAEventSelect function (%u)", GetLastError());
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
@@ -1388,7 +1388,8 @@ static CURLcode telnet_do(struct connectdata *conn, bool *done)
/* And WSAEnumNetworkEvents */
enum_netevents_func = GetProcAddress(wsock2, "WSAEnumNetworkEvents");
if(enum_netevents_func == NULL) {
- failf(data, "failed to find WSAEnumNetworkEvents function (%d)", ERRNO);
+ failf(data, "failed to find WSAEnumNetworkEvents function (%u)",
+ GetLastError());
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
@@ -1581,7 +1582,7 @@ static CURLcode telnet_do(struct connectdata *conn, bool *done)
/* We called LoadLibrary, so call FreeLibrary */
if(!FreeLibrary(wsock2))
- infof(data, "FreeLibrary(wsock2) failed (%d)", ERRNO);
+ infof(data, "FreeLibrary(wsock2) failed (%u)", GetLastError());
#else
pfd[0].fd = sockfd;
pfd[0].events = POLLIN;
diff --git a/src/tool_dirhie.c b/src/tool_dirhie.c
index 23bb2cb42..1d7359205 100644
--- a/src/tool_dirhie.c
+++ b/src/tool_dirhie.c
@@ -50,7 +50,7 @@
static void show_dir_errno(FILE *errors, const char *name)
{
- switch(ERRNO) {
+ switch(errno) {
#ifdef EACCES
case EACCES:
fprintf(errors, "You don't have permission to create %s.\n", name);
diff --git a/src/tool_paramhlp.c b/src/tool_paramhlp.c
index 6b534ce5d..ee37931b8 100644
--- a/src/tool_paramhlp.c
+++ b/src/tool_paramhlp.c
@@ -383,11 +383,11 @@ ParameterError str2offset(curl_off_t *val, const char *str)
#if(CURL_SIZEOF_CURL_OFF_T > CURL_SIZEOF_LONG)
*val = curlx_strtoofft(str, &endptr, 0);
- if((*val == CURL_OFF_T_MAX || *val == CURL_OFF_T_MIN) && (ERRNO == ERANGE))
+ if((*val == CURL_OFF_T_MAX || *val == CURL_OFF_T_MIN) && (errno == ERANGE))
return PARAM_BAD_NUMERIC;
#else
*val = strtol(str, &endptr, 0);
- if((*val == LONG_MIN || *val == LONG_MAX) && ERRNO == ERANGE)
+ if((*val == LONG_MIN || *val == LONG_MAX) && errno == ERANGE)
return PARAM_BAD_NUMERIC;
#endif
if((endptr != str) && (endptr == str + strlen(str)))