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gcc7: fixes for format string warnings

Browse Source 
GCC 7.1.1 on Fedora gave several warnings with -Wimplicit-fallthrough
and -Wformat-truncation

This patch addresses the warnings.
pull/2836/head
Victor Julien 8 years ago
parent 9d3a99bf0b
commit 82e1af58cc
6 changed files with 87 additions and 61 deletions
Show Stats Download Patch File Download Diff File

7
src/app-layer-ssl.c
Unescape Escape View File

@ -1035,35 +1035,42 @@ static int SSLv2Decode(uint8_t direction, SSLState *ssl_state,
break;
}
/* fall through */
case 4:
input++;
ssl_state->curr_connp->bytes_processed++;
if (--input_len == 0)
break;
/* fall through */
case 5:
input++;
ssl_state->curr_connp->bytes_processed++;
if (--input_len == 0)
break;
/* fall through */
case 6:
input++;
ssl_state->curr_connp->bytes_processed++;
if (--input_len == 0)
break;
/* fall through */
case 7:
ssl_state->curr_connp->session_id_length = *(input++) << 8;
ssl_state->curr_connp->bytes_processed++;
if (--input_len == 0)
break;
/* fall through */
case 8:
ssl_state->curr_connp->session_id_length |= *(input++);
ssl_state->curr_connp->bytes_processed++;
if (--input_len == 0)
break;
/* fall through */
}
}

4
src/log-httplog.c
Unescape Escape View File

@ -185,9 +185,9 @@ static void LogHttpLogCustom(LogHttpLogThread *aft, htp_tx_t *tx, const struct t
break;
case LOG_HTTP_CF_TIMESTAMP_U:
/* TIMESTAMP USECONDS */
snprintf(buf, 62, "%06u", (unsigned int) ts->tv_usec);
snprintf(buf, sizeof(buf), "%06u", (unsigned int) ts->tv_usec);
PrintRawUriBuf((char *)aft->buffer->buffer, &aft->buffer->offset,
aft->buffer->size, (uint8_t *)buf,strlen(buf));
aft->buffer->size, (uint8_t *)buf, MIN(strlen(buf),6));
break;
case LOG_HTTP_CF_CLIENT_IP:
/* CLIENT IP ADDRESS */

28
src/log-pcap.c
Unescape Escape View File

@ -1218,7 +1218,11 @@ static int PcapLogOpenFileCtx(PcapLogData *pl)
tms->tm_year + 1900, tms->tm_mon + 1, tms->tm_mday);
/* create the filename to use */
snprintf(dirfull, PATH_MAX, "%s/%s", pl->dir, dirname);
int ret = snprintf(dirfull, sizeof(dirfull), "%s/%s", pl->dir, dirname);
if (ret < 0 || (size_t)ret >= sizeof(dirfull)) {
SCLogError(SC_ERR_SPRINTF,"failed to construct path");
goto error;
}
/* if mkdir fails file open will fail, so deal with errors there */
#ifndef OS_WIN32
@ -1241,13 +1245,18 @@ static int PcapLogOpenFileCtx(PcapLogData *pl)
}
} else if (pl->mode == LOGMODE_NORMAL) {
int ret;
/* create the filename to use */
if (pl->timestamp_format == TS_FORMAT_SEC) {
snprintf(filename, PATH_MAX, "%s/%s.%" PRIu32, pl->dir,
pl->prefix, (uint32_t)ts.tv_sec);
ret = snprintf(filename, PATH_MAX, "%s/%s.%" PRIu32, pl->dir,
pl->prefix, (uint32_t)ts.tv_sec);
} else {
snprintf(filename, PATH_MAX, "%s/%s.%" PRIu32 ".%" PRIu32, pl->dir,
pl->prefix, (uint32_t)ts.tv_sec, (uint32_t)ts.tv_usec);
ret = snprintf(filename, PATH_MAX, "%s/%s.%" PRIu32 ".%" PRIu32, pl->dir,
pl->prefix, (uint32_t)ts.tv_sec, (uint32_t)ts.tv_usec);
}
if (ret < 0 || (size_t)ret >= PATH_MAX) {
SCLogError(SC_ERR_SPRINTF,"failed to construct path");
goto error;
}
} else if (pl->mode == LOGMODE_MULTI) {
if (pl->filename_part_cnt > 0) {
@ -1294,14 +1303,19 @@ static int PcapLogOpenFileCtx(PcapLogData *pl)
}
}
} else {
int ret;
/* create the filename to use */
if (pl->timestamp_format == TS_FORMAT_SEC) {
snprintf(filename, PATH_MAX, "%s/%s.%u.%" PRIu32, pl->dir,
ret = snprintf(filename, PATH_MAX, "%s/%s.%u.%" PRIu32, pl->dir,
pl->prefix, pl->thread_number, (uint32_t)ts.tv_sec);
} else {
snprintf(filename, PATH_MAX, "%s/%s.%u.%" PRIu32 ".%" PRIu32, pl->dir,
ret = snprintf(filename, PATH_MAX, "%s/%s.%u.%" PRIu32 ".%" PRIu32, pl->dir,
pl->prefix, pl->thread_number, (uint32_t)ts.tv_sec, (uint32_t)ts.tv_usec);
}
if (ret < 0 || (size_t)ret >= PATH_MAX) {
SCLogError(SC_ERR_SPRINTF,"failed to construct path");
goto error;
}
}
SCLogDebug("multi-mode: filename %s", filename);
}

1
src/runmode-unittests.h
Unescape Escape View File

@ -24,6 +24,7 @@
#ifndef __UTIL_RUNMODE_UNITTESTS_H__
#define __UTIL_RUNMODE_UNITTESTS_H__
__attribute__((noreturn))
int RunUnittests(int list_unittests, char *regex_arg);
#endif /* __UTIL_RUNMODE_UNITTESTS_H__ */

8
src/util-debug.h
Unescape Escape View File

@ -217,7 +217,9 @@ extern int sc_log_module_cleaned;
{ \
char _sc_log_msg[SC_LOG_MAX_LOG_MSG_LEN]; \
\
snprintf(_sc_log_msg, SC_LOG_MAX_LOG_MSG_LEN, __VA_ARGS__); \
int _sc_log_ret = snprintf(_sc_log_msg, SC_LOG_MAX_LOG_MSG_LEN, __VA_ARGS__); \
if (_sc_log_ret == SC_LOG_MAX_LOG_MSG_LEN) \
_sc_log_msg[SC_LOG_MAX_LOG_MSG_LEN - 1] = '\0'; \
\
SCLogMessage(x, file, line, func, SC_OK, _sc_log_msg); \
} \
@ -234,7 +236,9 @@ extern int sc_log_module_cleaned;
{ \
char _sc_log_msg[SC_LOG_MAX_LOG_MSG_LEN]; \
\
snprintf(_sc_log_msg, SC_LOG_MAX_LOG_MSG_LEN, __VA_ARGS__); \
int _sc_log_ret = snprintf(_sc_log_msg, SC_LOG_MAX_LOG_MSG_LEN, __VA_ARGS__); \
if (_sc_log_ret == SC_LOG_MAX_LOG_MSG_LEN) \
_sc_log_msg[SC_LOG_MAX_LOG_MSG_LEN - 1] = '\0'; \
\
SCLogMessage(x, file, line, func, err, _sc_log_msg); \
} \

100
src/util-hash-lookup3.c
Unescape Escape View File

@ -194,10 +194,10 @@ uint32_t initval) /* the previous hash, or an arbitrary value */
/*------------------------------------------- handle the last 3 uint32_t's */
switch(length) /* all the case statements fall through */
{
case 3 : c+=k[2];
case 2 : b+=k[1];
case 3 : c+=k[2]; /* fall through */
case 2 : b+=k[1]; /* fall through */
case 1 : a+=k[0];
final(a,b,c);
final(a,b,c); /* fall through */
case 0: /* case 0: nothing left to add */
break;
}
@ -240,10 +240,10 @@ uint32_t *pb) /* IN: more seed OUT: secondary hash value */
/*------------------------------------------- handle the last 3 uint32_t's */
switch(length) /* all the case statements fall through */
{
case 3 : c+=k[2];
case 2 : b+=k[1];
case 3 : c+=k[2]; /* fall through */
case 2 : b+=k[1]; /* fall through */
case 1 : a+=k[0];
final(a,b,c);
final(a,b,c); /* fall through */
case 0: /* case 0: nothing left to add */
break;
}
@ -427,17 +427,17 @@ uint32_t hashlittle( const void *key, size_t length, uint32_t initval)
/*-------------------------------- last block: affect all 32 bits of (c) */
switch(length) /* all the case statements fall through */
{
case 12: c+=((uint32_t)k[11])<<24;
case 11: c+=((uint32_t)k[10])<<16;
case 10: c+=((uint32_t)k[9])<<8;
case 9 : c+=k[8];
case 8 : b+=((uint32_t)k[7])<<24;
case 7 : b+=((uint32_t)k[6])<<16;
case 6 : b+=((uint32_t)k[5])<<8;
case 5 : b+=k[4];
case 4 : a+=((uint32_t)k[3])<<24;
case 3 : a+=((uint32_t)k[2])<<16;
case 2 : a+=((uint32_t)k[1])<<8;
case 12: c+=((uint32_t)k[11])<<24; /* fall through */
case 11: c+=((uint32_t)k[10])<<16; /* fall through */
case 10: c+=((uint32_t)k[9])<<8; /* fall through */
case 9 : c+=k[8]; /* fall through */
case 8 : b+=((uint32_t)k[7])<<24; /* fall through */
case 7 : b+=((uint32_t)k[6])<<16; /* fall through */
case 6 : b+=((uint32_t)k[5])<<8; /* fall through */
case 5 : b+=k[4]; /* fall through */
case 4 : a+=((uint32_t)k[3])<<24; /* fall through */
case 3 : a+=((uint32_t)k[2])<<16; /* fall through */
case 2 : a+=((uint32_t)k[1])<<8; /* fall through */
case 1 : a+=k[0];
break;
case 0 : return c;
@ -601,17 +601,17 @@ uint32_t hashlittle_safe(const void *key, size_t length, uint32_t initval)
/*-------------------------------- last block: affect all 32 bits of (c) */
switch(length) /* all the case statements fall through */
{
case 12: c+=((uint32_t)k[11])<<24;
case 11: c+=((uint32_t)k[10])<<16;
case 10: c+=((uint32_t)k[9])<<8;
case 9 : c+=k[8];
case 8 : b+=((uint32_t)k[7])<<24;
case 7 : b+=((uint32_t)k[6])<<16;
case 6 : b+=((uint32_t)k[5])<<8;
case 5 : b+=k[4];
case 4 : a+=((uint32_t)k[3])<<24;
case 3 : a+=((uint32_t)k[2])<<16;
case 2 : a+=((uint32_t)k[1])<<8;
case 12: c+=((uint32_t)k[11])<<24; /* fall through */
case 11: c+=((uint32_t)k[10])<<16; /* fall through */
case 10: c+=((uint32_t)k[9])<<8; /* fall through */
case 9 : c+=k[8]; /* fall through */
case 8 : b+=((uint32_t)k[7])<<24; /* fall through */
case 7 : b+=((uint32_t)k[6])<<16; /* fall through */
case 6 : b+=((uint32_t)k[5])<<8; /* fall through */
case 5 : b+=k[4]; /* fall through */
case 4 : a+=((uint32_t)k[3])<<24; /* fall through */
case 3 : a+=((uint32_t)k[2])<<16; /* fall through */
case 2 : a+=((uint32_t)k[1])<<8; /* fall through */
case 1 : a+=k[0];
break;
case 0 : return c;
@ -785,17 +785,17 @@ void hashlittle2(
/*-------------------------------- last block: affect all 32 bits of (c) */
switch(length) /* all the case statements fall through */
{
case 12: c+=((uint32_t)k[11])<<24;
case 11: c+=((uint32_t)k[10])<<16;
case 10: c+=((uint32_t)k[9])<<8;
case 9 : c+=k[8];
case 8 : b+=((uint32_t)k[7])<<24;
case 7 : b+=((uint32_t)k[6])<<16;
case 6 : b+=((uint32_t)k[5])<<8;
case 5 : b+=k[4];
case 4 : a+=((uint32_t)k[3])<<24;
case 3 : a+=((uint32_t)k[2])<<16;
case 2 : a+=((uint32_t)k[1])<<8;
case 12: c+=((uint32_t)k[11])<<24; /* fall through */
case 11: c+=((uint32_t)k[10])<<16; /* fall through */
case 10: c+=((uint32_t)k[9])<<8; /* fall through */
case 9 : c+=k[8]; /* fall through */
case 8 : b+=((uint32_t)k[7])<<24; /* fall through */
case 7 : b+=((uint32_t)k[6])<<16; /* fall through */
case 6 : b+=((uint32_t)k[5])<<8; /* fall through */
case 5 : b+=k[4]; /* fall through */
case 4 : a+=((uint32_t)k[3])<<24; /* fall through */
case 3 : a+=((uint32_t)k[2])<<16; /* fall through */
case 2 : a+=((uint32_t)k[1])<<8; /* fall through */
case 1 : a+=k[0];
break;
case 0 : *pc=c; *pb=b; return; /* zero length strings require no mixing */
@ -914,17 +914,17 @@ uint32_t hashbig( const void *key, size_t length, uint32_t initval)
/*-------------------------------- last block: affect all 32 bits of (c) */
switch(length) /* all the case statements fall through */
{
case 12: c+=k[11];
case 11: c+=((uint32_t)k[10])<<8;
case 10: c+=((uint32_t)k[9])<<16;
case 9 : c+=((uint32_t)k[8])<<24;
case 8 : b+=k[7];
case 7 : b+=((uint32_t)k[6])<<8;
case 6 : b+=((uint32_t)k[5])<<16;
case 5 : b+=((uint32_t)k[4])<<24;
case 4 : a+=k[3];
case 3 : a+=((uint32_t)k[2])<<8;
case 2 : a+=((uint32_t)k[1])<<16;
case 12: c+=k[11]; /* fall through */
case 11: c+=((uint32_t)k[10])<<8; /* fall through */
case 10: c+=((uint32_t)k[9])<<16; /* fall through */
case 9 : c+=((uint32_t)k[8])<<24; /* fall through */
case 8 : b+=k[7]; /* fall through */
case 7 : b+=((uint32_t)k[6])<<8; /* fall through */
case 6 : b+=((uint32_t)k[5])<<16; /* fall through */
case 5 : b+=((uint32_t)k[4])<<24; /* fall through */
case 4 : a+=k[3]; /* fall through */
case 3 : a+=((uint32_t)k[2])<<8; /* fall through */
case 2 : a+=((uint32_t)k[1])<<16; /* fall through */
case 1 : a+=((uint32_t)k[0])<<24;
break;
case 0 : return c;

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