version 1.3.8.1, 2011/04/19 22:32:16
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version 1.12, 2012/05/14 16:14:13
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Line 12 terms:
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Line 12 terms:
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All of the documentation and software included in the ELWIX and AITNET |
All of the documentation and software included in the ELWIX and AITNET |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 | Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 27 are met:
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Line 27 are met:
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must display the following acknowledgement: |
must display the following acknowledgement: |
This product includes software developed by Michael Pounov <misho@elwix.org> |
This product includes software developed by Michael Pounov <misho@elwix.org> |
ELWIX - Embedded LightWeight unIX and its contributors. |
ELWIX - Embedded LightWeight unIX and its contributors. |
4. Neither the name of the University nor the names of its contributors | 4. Neither the name of AITNET nor the names of its contributors |
may be used to endorse or promote products derived from this software |
may be used to endorse or promote products derived from this software |
without specific prior written permission. |
without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND |
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
Line 48 SUCH DAMAGE.
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Line 48 SUCH DAMAGE.
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/* |
/* |
* io_LTrimStr() Remove left whitespaces from text string | * io_LTrimStr() - Remove left whitespaces from text string |
| * |
* @psLine = Text string |
* @psLine = Text string |
* return: 0 nothing to do; !=0 Removed bytes |
* return: 0 nothing to do; !=0 Removed bytes |
*/ |
*/ |
inline int io_LTrimStr(u_char * __restrict psLine) | inline int |
| io_LTrimStr(char * __restrict psLine) |
{ |
{ |
int pos = 0; |
int pos = 0; |
u_char *s; | char *s; |
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if (!psLine || !*psLine) |
if (!psLine || !*psLine) |
return 0; |
return 0; |
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for (s = psLine; isspace(*s); s++); | for (s = psLine; isspace((u_char) *s); s++); |
pos = s - psLine; |
pos = s - psLine; |
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memmove(psLine, s, (strlen((char*) psLine) - pos) + 1); | memmove(psLine, s, (strlen(psLine) - pos) + 1); |
return pos; |
return pos; |
} |
} |
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/* |
/* |
* io_RTrimStr() Remove right whitespaces from text string | * io_RTrimStr() - Remove right whitespaces from text string |
| * |
* @psLine = Text string |
* @psLine = Text string |
* return: 0 nothing to do; !=0 Removed bytes |
* return: 0 nothing to do; !=0 Removed bytes |
*/ |
*/ |
inline int io_RTrimStr(u_char * __restrict psLine) | inline int |
| io_RTrimStr(char * __restrict psLine) |
{ |
{ |
u_char *t, *pos; | char *t, *pos; |
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if (!psLine || !*psLine) |
if (!psLine || !*psLine) |
return 0; |
return 0; |
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pos = psLine + strlen((char*) psLine); | pos = psLine + strlen(psLine); |
for (t = pos - 1; t > psLine && isspace(*t); t--); | for (t = pos - 1; t > psLine && isspace((u_char) *t); t--); |
*++t = 0; |
*++t = 0; |
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return pos - t; |
return pos - t; |
} |
} |
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/* |
/* |
* io_TrimStr() Remove left and right whitespaces from text string | * io_TrimStr() - Remove left and right whitespaces from text string |
| * |
* @psLine = Text string |
* @psLine = Text string |
* return: 0 nothing to do; !=0 Removed bytes |
* return: 0 nothing to do; !=0 Removed bytes |
*/ |
*/ |
inline int io_TrimStr(u_char * __restrict psLine) | inline int |
| io_TrimStr(char * __restrict psLine) |
{ |
{ |
int ret = 0; |
int ret = 0; |
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Line 102 inline int io_TrimStr(u_char * __restrict psLine)
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Line 108 inline int io_TrimStr(u_char * __restrict psLine)
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} |
} |
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/* |
/* |
* io_UnquotStr() Remove quots from input text string | * io_UnquotStr() - Remove quots from input text string |
| * |
* @psLine = Text string |
* @psLine = Text string |
* return: 0 nothing to do; 1 successful unquoted string |
* return: 0 nothing to do; 1 successful unquoted string |
*/ |
*/ |
inline int io_UnquotStr(u_char * __restrict psLine) | inline int |
| io_UnquotStr(char * __restrict psLine) |
{ |
{ |
char *pos, *str = NULL; |
char *pos, *str = NULL; |
int flg; |
int flg; |
Line 114 inline int io_UnquotStr(u_char * __restrict psLine)
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Line 122 inline int io_UnquotStr(u_char * __restrict psLine)
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if (!psLine) |
if (!psLine) |
return 0; |
return 0; |
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switch (*psLine) { | if (*psLine == '"' || *psLine == '\'') { |
case '`': | str = strdup(psLine + 1); |
case '"': | for (pos = str, flg = 0; *pos; flg = ('\\' == *pos), pos++) { |
case '\'': | if (!flg && *pos == *psLine) { |
str = strdup((char*) psLine + 1); | *pos = 0; |
for (pos = str, flg = 0; *pos; flg = ('\\' == *pos), pos++) { | strlcpy(psLine, str, strlen(psLine) + 1); |
if (!flg && *pos == *psLine) { | break; |
*pos = 0; | |
strlcpy((char*) psLine, str, strlen((char*) psLine) + 1); | |
break; | |
} | |
} |
} |
free(str); | } |
return 1; | free(str); |
| return 1; |
} |
} |
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return 0; |
return 0; |
} |
} |
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/* |
/* |
* io_Ch2Hex() Convert from Char string to Hex string | * io_Ch2Hex() - Convert from Char string to Hex string |
| * |
* @psLine = Text string |
* @psLine = Text string |
* @lineLen = Length of Text string |
* @lineLen = Length of Text string |
* return: NULL nothing to do or error; !=0 Allocated new converted data without term\0 (must be free) |
* return: NULL nothing to do or error; !=0 Allocated new converted data without term\0 (must be free) |
*/ |
*/ |
inline u_char *io_Ch2Hex(u_char *psLine, int lineLen) | inline u_char * |
| io_Ch2Hex(u_char *psLine, int lineLen) |
{ |
{ |
register int i; |
register int i; |
char szWork[3]; |
char szWork[3]; |
Line 165 inline u_char *io_Ch2Hex(u_char *psLine, int lineLen)
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Line 172 inline u_char *io_Ch2Hex(u_char *psLine, int lineLen)
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/* |
/* |
* io_Hex2Ch() Convert from Hex string to Char string | * io_Hex2Ch() - Convert from Hex string to Char string |
| * |
* @psLine = Text string |
* @psLine = Text string |
* @lineLen = Length of Text string |
* @lineLen = Length of Text string |
* return: NULL nothing to do or error; !=0 Allocated new converted string(must be free) |
* return: NULL nothing to do or error; !=0 Allocated new converted string(must be free) |
*/ |
*/ |
inline char *io_Hex2Ch(u_char *psLine, int lineLen) | inline char * |
| io_Hex2Ch(u_char *psLine, int lineLen) |
{ |
{ |
register int i; |
register int i; |
char szWork[3], *str; |
char szWork[3], *str; |
Line 192 inline char *io_Hex2Ch(u_char *psLine, int lineLen)
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Line 201 inline char *io_Hex2Ch(u_char *psLine, int lineLen)
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} |
} |
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return str; |
return str; |
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} |
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/* |
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* io_CopyEnv() - Copy environment to new environment array; |
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* |
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* @oldenv = Environment array |
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* return: NULL error; !=NULL Allocated new environment array(must be free) |
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*/ |
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char ** |
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io_CopyEnv(const char **oldenv) |
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{ |
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char **newenv, **el; |
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register int i, num; |
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if (!oldenv) |
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return NULL; |
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else |
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newenv = el = NULL; |
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/* count items environment */ |
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for (i = num = 0; oldenv[i]; i++) |
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if (*strchr(oldenv[i], '=')) |
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num++; |
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/* create and copy new environment */ |
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newenv = calloc(num + 1, sizeof(char*)); |
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if (!newenv) { |
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LOGERR; |
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return NULL; |
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} else |
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el = newenv; |
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for (i = 0; oldenv[i]; i++) |
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if (*strchr(oldenv[i], '=')) { |
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*el = strdup(oldenv[i]); |
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el++; |
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} |
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*el = NULL; |
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return newenv; |
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} |
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/* |
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* io_ExecArgs() - Build exec arguments from other array |
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* |
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* @psProg = Program name for execute |
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* @oldarg = Arguments array |
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* return: NULL error; !=NULL Allocated execution array(must be free) |
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*/ |
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char ** |
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io_ExecArgs(const char *psProg, const char **oldarg) |
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{ |
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char **newarg, **el; |
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register int i, num; |
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if (!psProg || !oldarg) |
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return NULL; |
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else |
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newarg = el = NULL; |
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/* count items arguments */ |
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for (num = 0; oldarg[num]; num++); |
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/* create and copy new arguments */ |
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newarg = calloc(num + 2, sizeof(char*)); |
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if (!newarg) { |
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LOGERR; |
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return NULL; |
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} else |
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el = newarg; |
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*el = strdup(psProg); |
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el++; |
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for (i = 0; oldarg[i]; i++, el++) |
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*el = strdup(oldarg[i]); |
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*el = NULL; |
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return newarg; |
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} |
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/* |
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* io_FreeNullTerm() - Free dynamic allocated null terminated array with strings |
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* |
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* @arr = Pointer to array for free |
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* return: none |
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*/ |
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inline void |
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io_FreeNullTerm(char *** __restrict arr) |
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{ |
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char **a; |
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if (arr && *arr) { |
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a = *arr; |
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while (a && *a) |
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free(*a++); |
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free(*arr); |
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*arr = NULL; |
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} |
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} |
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/* |
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* io_Path2File() - Parse and make path/filename pair |
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* |
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* @csArgs = Input argument line |
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* @psPath = Output Path, if ==NULL path not returned |
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* @pathLen = Size of path array |
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* @psFile = Output File |
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* @fileLen = Size of file array |
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* return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items |
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*/ |
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inline int |
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io_Path2File(const char * __restrict csArgs, char * __restrict psPath, |
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int pathLen, char * __restrict psFile, int fileLen) |
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{ |
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char *pos, *psBuf; |
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if (!csArgs || !psFile || !fileLen) |
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return -1; |
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if (psPath && !pathLen) |
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return -1; |
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psBuf = strdup(csArgs); |
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if (!psBuf) { |
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LOGERR; |
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return -1; |
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} |
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pos = strrchr(psBuf, '/'); |
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if (!pos) { |
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strlcpy(psFile, psBuf, fileLen); |
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free(psBuf); |
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return 1; |
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} else |
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*pos++ = 0; |
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strlcpy(psFile, pos, fileLen); |
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if (psPath) |
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strlcpy(psPath, psBuf, pathLen); |
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free(psBuf); |
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return 2; |
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} |
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/* |
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* io_ether_ntoa() - Convert ethernet address to string |
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* |
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* @n = ethernet address structure, like struct ether_addr |
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* @a = string |
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* @len = string length |
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* return: NULL error or !=NULL string a |
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*/ |
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inline char * |
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io_ether_ntoa(const struct io_ether_addr *n, char * __restrict a, int len) |
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{ |
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if (!n || !a) |
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return NULL; |
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memset(a, 0, len); |
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if (snprintf(a, len, "%02x:%02x:%02x:%02x:%02x:%02x", |
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n->ether_addr_octet[0], n->ether_addr_octet[1], |
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n->ether_addr_octet[2], n->ether_addr_octet[3], |
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n->ether_addr_octet[4], n->ether_addr_octet[5]) < 17) |
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return NULL; |
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return a; |
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} |
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/* |
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* io_ether_aton() - Convert string to ethernet address |
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* |
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* @a = string |
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* @e = ethernet address structure, like struct ether_addr |
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* return: NULL error or !=NULL ethernet address structure |
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*/ |
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inline struct io_ether_addr * |
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io_ether_aton(const char *a, struct io_ether_addr *e) |
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{ |
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int i; |
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u_int o0, o1, o2, o3, o4, o5; |
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if (!a || !e) |
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return NULL; |
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i = sscanf(a, "%x:%x:%x:%x:%x:%x", &o0, &o1, &o2, &o3, &o4, &o5); |
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if (i != 6) |
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return NULL; |
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e->ether_addr_octet[0] = o0; |
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e->ether_addr_octet[1] = o1; |
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e->ether_addr_octet[2] = o2; |
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e->ether_addr_octet[3] = o3; |
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e->ether_addr_octet[4] = o4; |
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e->ether_addr_octet[5] = o5; |
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return e; |
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} |
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/* |
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* io_n2port() - Extract port from network structure |
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* |
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* @addr = Address |
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* return: 0 not supported family type or port number |
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*/ |
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inline u_short |
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io_n2port(io_sockaddr_t * __restrict addr) |
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{ |
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u_short port = 0; |
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if (!addr) |
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return port; |
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switch (addr->sa.sa_family) { |
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case AF_INET: |
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return ntohs(addr->sin.sin_port); |
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case AF_INET6: |
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return ntohs(addr->sin6.sin6_port); |
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default: |
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io_SetErr(ESOCKTNOSUPPORT, "Unsuported address family %d", |
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addr->sa.sa_family); |
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break; |
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} |
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return port; |
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} |
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/* |
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* io_n2addr() - Extract address from network structure |
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* |
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* @addr = Address |
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* @val = Value for store string address |
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* return: NULL error or !=NULL string address from val |
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*/ |
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const char * |
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io_n2addr(io_sockaddr_t * __restrict addr, ait_val_t * __restrict val) |
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{ |
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char str[INET6_ADDRSTRLEN] = { 0 }; |
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const char *ret = NULL; |
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if (!addr || !val) |
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return ret; |
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switch (addr->sa.sa_family) { |
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case AF_INET: |
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if (!inet_ntop(AF_INET, &addr->sin.sin_addr, str, INET_ADDRSTRLEN)) { |
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LOGERR; |
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return ret; |
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} else |
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ret = str; |
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break; |
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case AF_INET6: |
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if (!inet_ntop(AF_INET6, &addr->sin6.sin6_addr, str, INET6_ADDRSTRLEN)) { |
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LOGERR; |
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return ret; |
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} else |
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ret = str; |
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break; |
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default: |
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io_SetErr(EPROTONOSUPPORT, "Unsuported address family %d", |
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addr->sa.sa_family); |
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return ret; |
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} |
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AIT_SET_STR(val, ret); |
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return (const char*) AIT_GET_STR(val); |
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} |
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/* |
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* io_gethostbyname() - Get host and port and make network structure |
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* |
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* @psHost = Hostname |
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* @port = Port |
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* @addr = Network address structure |
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* return: NULL error or !=NULL network structure |
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*/ |
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io_sockaddr_t * |
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io_gethostbyname(const char *psHost, u_short port, io_sockaddr_t * __restrict addr) |
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{ |
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struct hostent *host = NULL; |
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if (!psHost || !addr) |
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return NULL; |
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else |
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memset(addr, 0, sizeof(io_sockaddr_t)); |
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if (*psHost != '/') { |
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/* resolver */ |
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if (!addr->sa.sa_family) |
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host = gethostbyname(psHost); |
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else |
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host = gethostbyname2(psHost, addr->sa.sa_family); |
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if (!host) { |
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io_SetErr(EINVAL, "Resolver #%d - %s", h_errno, hstrerror(h_errno)); |
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return NULL; |
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} else |
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addr->sa.sa_family = host->h_addrtype; |
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} else |
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addr->sa.sa_family = AF_LOCAL; |
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switch (addr->sa.sa_family) { |
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case AF_INET: |
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addr->sin.sin_len = sizeof(struct sockaddr_in); |
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addr->sin.sin_family = AF_INET; |
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addr->sin.sin_port = htons(port); |
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memcpy(&addr->sin.sin_addr, host->h_addr, sizeof addr->sin.sin_addr); |
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return addr; |
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case AF_INET6: |
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addr->sin6.sin6_len = sizeof(struct sockaddr_in6); |
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addr->sin6.sin6_family = AF_INET6; |
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addr->sin6.sin6_port = htons(port); |
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memcpy(&addr->sin6.sin6_addr, host->h_addr, sizeof addr->sin6.sin6_addr); |
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return addr; |
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case AF_LOCAL: |
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addr->sun.sun_len = sizeof(struct sockaddr_un); |
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addr->sun.sun_family = AF_LOCAL; |
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memset(addr->sun.sun_path, 0, sizeof addr->sun.sun_path); |
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snprintf(addr->sun.sun_path, sizeof addr->sun.sun_path, "%s-%hu", psHost, port); |
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return addr; |
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default: |
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io_SetErr(EPROTONOSUPPORT, "Unsuported address family %d", addr->sa.sa_family); |
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break; |
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} |
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return NULL; |
} |
} |