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| version 1.4.4.2, 2011/05/17 19:49:55 | version 1.8.2.1, 2012/03/10 15:37:09 |
|---|---|
| Line 239 io_CopyEnv(const char **oldenv) | Line 239 io_CopyEnv(const char **oldenv) |
| return newenv; | return newenv; |
| } | } |
| /* | |
| * io_ExecArgs() Build exec arguments from other array | |
| * @psProg = Program name for execute | |
| * @oldarg = Arguments array | |
| * return: NULL error; !=NULL Allocated execution array(must be free) | |
| */ | |
| char ** | |
| io_ExecArgs(const char *psProg, const char **oldarg) | |
| { | |
| char **newarg, **el; | |
| register int i, num; | |
| if (!psProg || !oldarg) | |
| return NULL; | |
| else | |
| newarg = el = NULL; | |
| /* count items arguments */ | |
| for (num = 0; oldarg[num]; num++); | |
| /* create and copy new arguments */ | |
| newarg = calloc(num + 2, sizeof(char*)); | |
| if (!newarg) { | |
| LOGERR; | |
| return NULL; | |
| } else | |
| el = newarg; | |
| *el = strdup(psProg); | |
| el++; | |
| for (i = 0; oldarg[i]; i++, el++) | |
| *el = strdup(oldarg[i]); | |
| *el = NULL; | |
| return newarg; | |
| } | |
| /* | |
| * io_FreeNullTerm() Free dynamic allocated null terminated array with strings | |
| * @arr = Pointer to array for free | |
| * return: none | |
| */ | |
| inline void | |
| io_FreeNullTerm(char *** __restrict arr) | |
| { | |
| char **a; | |
| if (arr && *arr) { | |
| a = *arr; | |
| while (a && *a) | |
| free(*a++); | |
| free(*arr); | |
| *arr = NULL; | |
| } | |
| } | |
| /* | |
| * io_Path2File() - Parse and make path/filename pair | |
| * | |
| * @csArgs = Input argument line | |
| * @psPath = Output Path, if ==NULL path not returned | |
| * @pathLen = Size of path array | |
| * @psFile = Output File | |
| * @fileLen = Size of file array | |
| * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items | |
| */ | |
| inline int | |
| io_Path2File(const char * __restrict csArgs, char * __restrict psPath, | |
| int pathLen, char * __restrict psFile, int fileLen) | |
| { | |
| char *pos, *psBuf; | |
| if (!csArgs || !psFile || !fileLen) | |
| return -1; | |
| if (psPath && !pathLen) | |
| return -1; | |
| psBuf = strdup(csArgs); | |
| if (!psBuf) { | |
| LOGERR; | |
| return -1; | |
| } | |
| pos = strrchr(psBuf, '/'); | |
| if (!pos) { | |
| strlcpy(psFile, psBuf, fileLen); | |
| free(psBuf); | |
| return 1; | |
| } else | |
| *pos++ = 0; | |
| strlcpy(psFile, pos, fileLen); | |
| if (psPath) | |
| strlcpy(psPath, psBuf, pathLen); | |
| free(psBuf); | |
| return 2; | |
| } | |
| /* | |
| * io_ether_ntoa() Convert ethernet address to string | |
| * @n = ethernet address structure, like struct ether_addr | |
| * @a = string | |
| * @len = string length | |
| * return: NULL error or !=NULL string a | |
| */ | |
| inline char * | |
| io_ether_ntoa(const struct io_ether_addr *n, char * __restrict a, int len) | |
| { | |
| if (!n || !a) | |
| return NULL; | |
| memset(a, 0, len); | |
| if (snprintf(a, len, "%02x:%02x:%02x:%02x:%02x:%02x", | |
| n->ether_addr_octet[0], n->ether_addr_octet[1], | |
| n->ether_addr_octet[2], n->ether_addr_octet[3], | |
| n->ether_addr_octet[4], n->ether_addr_octet[5]) < 17) | |
| return NULL; | |
| return a; | |
| } | |
| /* | |
| * io_ether_aton() Convert string to ethernet address | |
| * @a = string | |
| * @e = ethernet address structure, like struct ether_addr | |
| * return: NULL error or !=NULL ethernet address structure | |
| */ | |
| inline struct io_ether_addr * | |
| io_ether_aton(const char *a, struct io_ether_addr *e) | |
| { | |
| int i; | |
| u_int o0, o1, o2, o3, o4, o5; | |
| if (!a || !e) | |
| return NULL; | |
| i = sscanf(a, "%x:%x:%x:%x:%x:%x", &o0, &o1, &o2, &o3, &o4, &o5); | |
| if (i != 6) | |
| return NULL; | |
| e->ether_addr_octet[0] = o0; | |
| e->ether_addr_octet[1] = o1; | |
| e->ether_addr_octet[2] = o2; | |
| e->ether_addr_octet[3] = o3; | |
| e->ether_addr_octet[4] = o4; | |
| e->ether_addr_octet[5] = o5; | |
| return e; | |
| } | |
| /* | |
| * io_n2port() Extract port from network structure | |
| * @addr = Address | |
| * return: 0 not supported family type or port number | |
| */ | |
| inline u_short | |
| io_n2port(io_sockaddr_t * __restrict addr) | |
| { | |
| u_short port = 0; | |
| if (!addr) | |
| return port; | |
| switch (addr->sa.sa_family) { | |
| case AF_INET: | |
| return ntohs(addr->sin.sin_port); | |
| case AF_INET6: | |
| return ntohs(addr->sin6.sin6_port); | |
| default: | |
| io_SetErr(ESOCKTNOSUPPORT, "Unsuported address family %d", | |
| addr->sa.sa_family); | |
| break; | |
| } | |
| return port; | |
| } | |
| /* | |
| * io_n2addr() Extract address from network structure | |
| * @addr = Address | |
| * @val = Value for store string address | |
| * return: NULL error or !=NULL string address from val | |
| */ | |
| const char * | |
| io_n2addr(io_sockaddr_t * __restrict addr, ait_val_t * __restrict val) | |
| { | |
| char str[INET6_ADDRSTRLEN] = { 0 }; | |
| const char *ret = NULL; | |
| if (!addr || !val) | |
| return ret; | |
| switch (addr->sa.sa_family) { | |
| case AF_INET: | |
| if (!inet_ntop(AF_INET, &addr->sin.sin_addr, str, INET_ADDRSTRLEN)) { | |
| LOGERR; | |
| return ret; | |
| } else | |
| ret = str; | |
| break; | |
| case AF_INET6: | |
| if (!inet_ntop(AF_INET6, &addr->sin6.sin6_addr, str, INET6_ADDRSTRLEN)) { | |
| LOGERR; | |
| return ret; | |
| } else | |
| ret = str; | |
| break; | |
| default: | |
| io_SetErr(EPROTONOSUPPORT, "Unsuported address family %d", | |
| addr->sa.sa_family); | |
| return ret; | |
| } | |
| if (!AIT_ISEMPTY(val)) | |
| AIT_FREE_VAL(val); | |
| AIT_SET_STR(val, ret); | |
| return (const char*) AIT_GET_STR(val); | |
| } | |
| /* | |
| * io_gethostbyname() Get host and port and make network structure | |
| * @psHost = Hostname | |
| * @port = Port | |
| * @addr = Network address structure | |
| * return: NULL error or !=NULL network structure | |
| */ | |
| io_sockaddr_t * | |
| io_gethostbyname(const char *psHost, u_short port, io_sockaddr_t * __restrict addr) | |
| { | |
| struct hostent *host; | |
| if (!psHost || !addr) | |
| return NULL; | |
| /* resolver */ | |
| if (!addr->sa.sa_family) | |
| host = gethostbyname(psHost); | |
| else | |
| host = gethostbyname2(psHost, addr->sa.sa_family); | |
| if (!host) { | |
| io_SetErr(EINVAL, "Resolver #%d - %s", h_errno, hstrerror(h_errno)); | |
| return NULL; | |
| } | |
| memset(addr, 0, sizeof(io_sockaddr_t)); | |
| switch (host->h_addrtype) { | |
| case AF_INET: | |
| addr->sin.sin_len = sizeof(struct sockaddr_in); | |
| addr->sin.sin_family = AF_INET; | |
| addr->sin.sin_port = htons(port); | |
| memcpy(&addr->sin.sin_addr, host->h_addr, sizeof addr->sin.sin_addr); | |
| return addr; | |
| case AF_INET6: | |
| addr->sin6.sin6_len = sizeof(struct sockaddr_in6); | |
| addr->sin6.sin6_family = AF_INET6; | |
| addr->sin6.sin6_port = htons(port); | |
| memcpy(&addr->sin6.sin6_addr, host->h_addr, sizeof addr->sin6.sin6_addr); | |
| return addr; | |
| default: | |
| io_SetErr(EPROTONOSUPPORT, "Unsuported address family %d", | |
| host->h_addrtype); | |
| break; | |
| } | |
| return NULL; | |
| } |