Module: kamailio Branch: master Commit: 86ebb4eef482b37a3bb8bf033caa4d87fd8aeb87 URL: https://github.com/kamailio/kamailio/commit/86ebb4eef482b37a3bb8bf033caa4d87...

Author: Daniel-Constantin Mierla miconda@gmail.com Committer: Daniel-Constantin Mierla miconda@gmail.com Date: 2020-04-27T10:47:48+02:00

pdb: covert byte-by-byte from buffer to short-int to avoid unalignment compile warning

- GH #2298

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Modified: src/modules/pdb/pdb.c

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Diff: https://github.com/kamailio/kamailio/commit/86ebb4eef482b37a3bb8bf033caa4d87... Patch: https://github.com/kamailio/kamailio/commit/86ebb4eef482b37a3bb8bf033caa4d87...

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diff --git a/src/modules/pdb/pdb.c b/src/modules/pdb/pdb.c index b72ecf7f29..1ab15af2e7 100644 --- a/src/modules/pdb/pdb.c +++ b/src/modules/pdb/pdb.c @@ -189,6 +189,8 @@ static int pdb_msg_format_send(struct pdb_msg *msg, }

+/* two chars to short-int without caring of memory alignment in char buffer */ +#define PDB_BUFTOSHORT(_b, _n) (((short int)_b[_n]) << 8) | (0x00ff & _b[_n+1])

/*! * \return 1 if query for the number succeded and the avp with the corresponding carrier id was set, @@ -199,7 +201,7 @@ static int pdb_query(struct sip_msg *_msg, struct multiparam_t *_number, struct struct pdb_msg msg; struct timeval tstart, tnow; struct server_item_t *server; - short int carrierid, *_id; + short int carrierid, _id; short int _idv; char buf[sizeof(struct pdb_msg)]; size_t reqlen; @@ -345,8 +347,8 @@ static int pdb_query(struct sip_msg *_msg, struct multiparam_t *_number, struct case PDB_CODE_OK: msg.bdy.payload[sizeof(struct pdb_bdy) - 1] = '\0'; if (strcmp(msg.bdy.payload, number.s) == 0) { - _id = (short int *)&(msg.bdy.payload[reqlen]); /* make gcc happy */ - carrierid=ntohs(*_id); /* convert to host byte order */ + _id = PDB_BUFTOSHORT(msg.bdy.payload, reqlen); /* make gcc happy */ + carrierid=ntohs(_id); /* convert to host byte order */ goto found; } break; @@ -368,8 +370,8 @@ static int pdb_query(struct sip_msg *_msg, struct multiparam_t *_number, struct default: buf[sizeof(struct pdb_msg) - 1] = '\0'; if (strncmp(buf, number.s, number.len) == 0) { - _id = (short int *)&(buf[reqlen]); - carrierid=ntohs(*_id); /* convert to host byte order */ + _id = PDB_BUFTOSHORT(buf, reqlen); /* make gcc happy */ + carrierid=ntohs(_id); /* convert to host byte order */ goto found; } break;