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Silent warnings reported by clang.

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This commit is contained in:
Giuseppe Scrivano 2010-10-16 03:04:25 +02:00
parent 7ae38d431e
commit 542c549985
9 changed files with 130 additions and 130 deletions
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12
src/ChangeLog
View File

@ -1,3 +1,15 @@
2010-10-16 Giuseppe Scrivano <gscrivano@gnu.org>
* connect.c (socket_ip_address): Initialize `sockaddr' to zero.
* ftp-basic.c (ftp_epsv): Remove dead assignment to `s'.
* ftp-ls.c (ftp_parse_vms_ls): Remove dead assignment to `len'.
* http.c (skip_short_body): Remove dead assignment to `ret'.
* init.c (wgetrc_user_file_name): Remove dead assignment to `home'.
* main.c (main): Silent warning reported by clang.
(http_loop): Silent warning reported by clang.
* retr.c (retrieve_url): Likewise.
* url.c (init_seps): Remove dead assignment to `p'.
2010-10-11 Giuseppe Scrivano <gscrivano@gnu.org>
* ftp.c (getftp): Fix indentation.

3
src/connect.c
View File

@ -541,10 +541,11 @@ bool
socket_ip_address (int sock, ip_address *ip, int endpoint)
{
struct sockaddr_storage storage;
struct sockaddr *sockaddr = (struct sockaddr *)&storage;
struct sockaddr *sockaddr = (struct sockaddr *) &storage;
socklen_t addrlen = sizeof (storage);
int ret;
memset (sockaddr, 0, addrlen);
if (endpoint == ENDPOINT_LOCAL)
ret = getsockname (sock, sockaddr, &addrlen);
else if (endpoint == ENDPOINT_PEER)

5
src/ftp-basic.c
View File

@ -756,9 +756,6 @@ ftp_epsv (int csock, ip_address *ip, int *port)
DEBUGP(("respline is %s\n", respline));
/* Parse the response. */
s = respline;
/* Skip the useless stuff and get what's inside the parentheses */
start = strchr (respline, '(');
if (start == NULL)
@ -804,7 +801,7 @@ ftp_epsv (int csock, ip_address *ip, int *port)
return FTPINVPASV;
}
if (*s++ != ')')
if (*s != ')')
{
xfree (respline);
return FTPINVPASV;

221
src/ftp-ls.c
View File

@ -459,7 +459,7 @@ ftp_parse_winnt_ls (const char *file)
if (len < 40) continue;
tok = line + 39;
cur.name = xstrdup(tok);
DEBUGP(("Name: '%s'\n", cur.name));
DEBUGP (("Name: '%s'\n", cur.name));
/* First column: mm-dd-yy. Should atoi() on the month fail, january
will be assumed. */
@ -490,7 +490,7 @@ ftp_parse_winnt_ls (const char *file)
if (hour == 12) hour = 0;
if (*tok == 'P') hour += 12;
DEBUGP(("YYYY/MM/DD HH:MM - %d/%02d/%02d %02d:%02d\n",
DEBUGP (("YYYY/MM/DD HH:MM - %d/%02d/%02d %02d:%02d\n",
year+1900, month, day, hour, min));
/* Build the time-stamp (copy & paste from above) */
@ -506,7 +506,7 @@ ftp_parse_winnt_ls (const char *file)
cur.tstamp = mktime (&timestruct); /* store the time-stamp */
cur.ptype = TT_HOUR_MIN;
DEBUGP(("Timestamp: %ld\n", cur.tstamp));
DEBUGP (("Timestamp: %ld\n", cur.tstamp));
/* Third column: Either file length, or <DIR>. We also set the
permissions (guessed as 0644 for plain files and 0755 for
@ -521,7 +521,7 @@ ftp_parse_winnt_ls (const char *file)
cur.type = FT_DIRECTORY;
cur.size = 0;
cur.perms = 0755;
DEBUGP(("Directory\n"));
DEBUGP (("Directory\n"));
}
else
{
@ -534,7 +534,7 @@ ftp_parse_winnt_ls (const char *file)
else
cur.size = size;
cur.perms = 0644;
DEBUGP(("File, size %s bytes\n", number_to_static_string (cur.size)));
DEBUGP (("File, size %s bytes\n", number_to_static_string (cur.size)));
}
cur.linkto = NULL;
@ -752,7 +752,7 @@ ftp_parse_vms_ls (const char *file)
tok = strtok(line, " ");
if (tok == NULL) tok = line;
DEBUGP(("file name: '%s'\n", tok));
DEBUGP (("file name: '%s'\n", tok));
/* Stripping the version number on a VMS system would be wrong.
It may be foolish on a non-VMS system, too, but that's someone
@ -766,7 +766,7 @@ ftp_parse_vms_ls (const char *file)
*/
#if (!defined( __VMS) && !defined( PRESERVE_VMS_VERSIONS))
for (p = tok+ strlen( tok); (--p > tok) && c_isdigit( *p); );
for (p = tok + strlen (tok); (--p > tok) && c_isdigit( *p); );
if ((*p == ';') && (*(p- 1) != '^'))
{
*p = '\0';
@ -777,8 +777,8 @@ ftp_parse_vms_ls (const char *file)
Eliminate "^" escape characters from ODS5 extended file name.
(A caret is invalid in an ODS2 name, so this is always safe.)
*/
eat_carets( tok);
DEBUGP(("file name-^: '%s'\n", tok));
eat_carets (tok);
DEBUGP (("file name-^: '%s'\n", tok));
/* Differentiate between a directory and any other file. A VMS
listing may not include file protections (permissions). Set a
@ -787,29 +787,29 @@ ftp_parse_vms_ls (const char *file)
".DIR;1" file type and version number, as the plain name is
what will work in a CWD command.
*/
len = strlen( tok);
if (!strncasecmp( (tok+ (len- 4)), ".DIR", 4))
len = strlen (tok);
if (!strncasecmp((tok + (len - 4)), ".DIR", 4))
{
*(tok+ (len -= 4)) = '\0'; /* Discard ".DIR". */
*(tok+ (len - 4)) = '\0'; /* Discard ".DIR". */
cur.type = FT_DIRECTORY;
cur.perms = VMS_DEFAULT_PROT_DIR;
DEBUGP(("Directory (nv)\n"));
DEBUGP (("Directory (nv)\n"));
}
else if (!strncasecmp( (tok+ (len- 6)), ".DIR;1", 6))
else if (!strncasecmp ((tok + (len - 6)), ".DIR;1", 6))
{
*(tok+ (len -= 6)) = '\0'; /* Discard ".DIR;1". */
*(tok+ (len - 6)) = '\0'; /* Discard ".DIR;1". */
cur.type = FT_DIRECTORY;
cur.perms = VMS_DEFAULT_PROT_DIR;
DEBUGP(("Directory (v)\n"));
DEBUGP (("Directory (v)\n"));
}
else
{
cur.type = FT_PLAINFILE;
cur.perms = VMS_DEFAULT_PROT_FILE;
DEBUGP(("File\n"));
DEBUGP (("File\n"));
}
cur.name = xstrdup(tok);
DEBUGP(("Name: '%s'\n", cur.name));
cur.name = xstrdup (tok);
DEBUGP (("Name: '%s'\n", cur.name));
/* Null the date and time string. */
*date_str = '\0';
@ -821,21 +821,21 @@ ftp_parse_vms_ls (const char *file)
hence useless for an integrity check based on byte-count.
Set size to unknown.
*/
cur.size = 0;
cur.size = 0;
/* Get token 2, if any. A long name may force all other data onto
a second line. If needed, read the second line.
*/
tok = strtok(NULL, " ");
tok = strtok (NULL, " ");
if (tok == NULL)
{
DEBUGP(("Getting additional line.\n"));
DEBUGP (("Getting additional line.\n"));
xfree (line);
line = read_whole_line (fp);
if (!line)
{
DEBUGP(("EOF. Leaving listing parser.\n"));
DEBUGP (("EOF. Leaving listing parser.\n"));
break;
}
@ -843,15 +843,15 @@ ftp_parse_vms_ls (const char *file)
line (and we may be confused).
*/
if (i <= 0)
{
{
/* Blank line. End of significant file listing. */
DEBUGP(("Blank line. Leaving listing parser.\n"));
DEBUGP (("Blank line. Leaving listing parser.\n"));
xfree (line); /* Free useless line storage. */
break;
}
break;
}
else if (line[ 0] != ' ')
{
DEBUGP(("Non-blank in column 1. Must be a new file name?\n"));
DEBUGP (("Non-blank in column 1. Must be a new file name?\n"));
continue;
}
else
@ -860,7 +860,7 @@ ftp_parse_vms_ls (const char *file)
if (tok == NULL)
{
/* Unexpected non-empty but apparently blank line. */
DEBUGP(("Null token. Leaving listing parser.\n"));
DEBUGP (("Null token. Leaving listing parser.\n"));
xfree (line); /* Free useless line storage. */
break;
}
@ -875,87 +875,87 @@ ftp_parse_vms_ls (const char *file)
Time: HH:MM or HH:MM:SS or HH:MM:SS.CC
Owner: [user] or [user,group]
Protection: (ppp,ppp,ppp,ppp) (where "ppp" is "RWED" or some
subset thereof, for System, Owner, Group, World.
subset thereof, for System, Owner, Group, World.
If permission is lacking, info may be replaced by the string:
"No privilege for attempted operation".
*/
while (tok != NULL)
{
DEBUGP (("Token: >%s<: ", tok));
{
DEBUGP (("Token: >%s<: ", tok));
if ((strlen( tok) < 12) && (strchr( tok, '-') != NULL))
{
/* Date. */
DEBUGP (("Date.\n"));
strcpy( date_str, tok);
strcat( date_str, " ");
}
else if ((strlen( tok) < 12) && (strchr( tok, ':') != NULL))
{
/* Time. */
DEBUGP (("Time. "));
strncat( date_str,
tok,
(sizeof( date_str)- strlen( date_str)- 1));
DEBUGP (("Date time: >%s<\n", date_str));
}
else if (strchr( tok, '[') != NULL)
{
/* Owner. (Ignore.) */
DEBUGP (("Owner.\n"));
}
else if (strchr( tok, '(') != NULL)
{
/* Protections (permissions). */
perms = 0;
j = 0;
for (i = 0; i < strlen( tok); i++)
{
switch (tok[ i])
{
case '(':
break;
case ')':
break;
case ',':
if (j == 0)
{
perms = 0;
j = 1;
}
else
{
perms <<= 3;
}
break;
case 'R':
perms |= 4;
break;
case 'W':
perms |= 2;
break;
case 'E':
perms |= 1;
break;
case 'D':
perms |= 2;
break;
}
}
cur.perms = perms;
DEBUGP (("Prot. perms = %0o.\n", cur.perms));
}
else
{
/* Nondescript. Probably size(s), probably in blocks.
if ((strlen (tok) < 12) && (strchr( tok, '-') != NULL))
{
/* Date. */
DEBUGP (("Date.\n"));
strcpy( date_str, tok);
strcat( date_str, " ");
}
else if ((strlen (tok) < 12) && (strchr( tok, ':') != NULL))
{
/* Time. */
DEBUGP (("Time. "));
strncat( date_str,
tok,
(sizeof( date_str)- strlen (date_str) - 1));
DEBUGP (("Date time: >%s<\n", date_str));
}
else if (strchr ( tok, '[') != NULL)
{
/* Owner. (Ignore.) */
DEBUGP (("Owner.\n"));
}
else if (strchr (tok, '(') != NULL)
{
/* Protections (permissions). */
perms = 0;
j = 0;
for (i = 0; i < strlen( tok); i++)
{
switch (tok[ i])
{
case '(':
break;
case ')':
break;
case ',':
if (j == 0)
{
perms = 0;
j = 1;
}
else
{
perms <<= 3;
}
break;
case 'R':
perms |= 4;
break;
case 'W':
perms |= 2;
break;
case 'E':
perms |= 1;
break;
case 'D':
perms |= 2;
break;
}
}
cur.perms = perms;
DEBUGP (("Prot. perms = %0o.\n", cur.perms));
}
else
{
/* Nondescript. Probably size(s), probably in blocks.
Could be "No privilege ..." message. (Ignore.)
*/
DEBUGP (("Ignored (size?).\n"));
}
DEBUGP (("Ignored (size?).\n"));
}
tok = strtok (NULL, " ");
}
tok = strtok (NULL, " ");
}
/* Tokens exhausted. Interpret the data, and fill in the
structure.
@ -971,26 +971,21 @@ ftp_parse_vms_ls (const char *file)
/* Convert struct tm local time to time_t local time. */
timenow = mktime (timestruct);
/* Offset local time according to environment variable (seconds). */
if ((tok = getenv( "WGET_TIMEZONE_DIFFERENTIAL")) != NULL)
if ((tok = getenv ( "WGET_TIMEZONE_DIFFERENTIAL")) != NULL)
{
dt = atoi( tok);
dt = atoi (tok);
DEBUGP (("Time differential = %d.\n", dt));
}
else
{
dt = 0;
}
dt = 0;
if (dt >= 0)
{
timenow += dt;
}
timenow += dt;
else
{
timenow -= (-dt);
}
timenow -= (-dt);
cur.tstamp = timenow; /* Store the time-stamp. */
DEBUGP(("Timestamp: %ld\n", cur.tstamp));
DEBUGP (("Timestamp: %ld\n", cur.tstamp));
cur.ptype = TT_HOUR_MIN;
/* Add the data for this item to the linked list, */

11
src/http.c
View File

@ -927,17 +927,12 @@ skip_short_body (int fd, wgint contlen, bool chunked)
char *line = fd_read_line (fd);
char *endl;
if (line == NULL)
{
ret = -1;
break;
}
break;
remaining_chunk_size = strtol (line, &endl, 16);
if (remaining_chunk_size == 0)
{
ret = 0;
if (fd_read_line (fd) == NULL)
ret = -1;
fd_read_line (fd);
break;
}
}
@ -3136,7 +3131,7 @@ Remote file exists.\n\n"));
while (!opt.ntry || (count < opt.ntry));
exit:
if (ret == RETROK)
if (ret == RETROK && local_file)
*local_file = xstrdup (hstat.local_file);
free_hstat (&hstat);

2
src/init.c
View File

@ -431,7 +431,7 @@ wgetrc_env_file_name (void)
char *
wgetrc_user_file_name (void)
{
char *home = home_dir ();
char *home;
char *file = NULL;
/* If that failed, try $HOME/.wgetrc (or equivalent). */

2
src/main.c
View File

@ -962,7 +962,7 @@ main (int argc, char **argv)
short options for convenience and backward
compatibility. */
char *p;
for (p = optarg; *p; p++)
for (p = optarg; p && *p; p++)
switch (*p)
{
case 'v':

2
src/retr.c
View File

@ -868,7 +868,7 @@ retrieve_url (struct url * orig_parsed, const char *origurl, char **file,
DEBUGP (("[Couldn't fallback to non-utf8 for %s\n", quote (url)));
}
if (local_file && *dt & RETROKF)
if (local_file && u && *dt & RETROKF)
{
register_download (u->url, local_file);
if (redirection_count && 0 != strcmp (origurl, u->url))

2
src/url.c
View File

@ -631,7 +631,7 @@ init_seps (enum url_scheme scheme)
*p++ = '?';
if (flags & scm_has_fragment)
*p++ = '#';
*p++ = '\0';
*p = '\0';
return seps;
}