--- libaitio/src/Attic/tools.c 2010/03/22 18:25:07 1.1 +++ libaitio/src/Attic/tools.c 2010/04/16 13:25:27 1.2 @@ -0,0 +1,157 @@ +/************************************************************************* +* (C) 2008 AITNET ltd - Sofia/Bulgaria - +* by Michael Pounov +* +* $Author: misho $ +* $Id: tools.c,v 1.2 2010/04/16 13:25:27 misho Exp $ +* +*************************************************************************/ +#include "global.h" +#include "aitio.h" + + +/* + * io_LTrimStr() Remove left whitespaces from text string + * @psLine = Text string + * return: 0 nothing to do; !=0 Removed bytes +*/ +inline int io_LTrimStr(u_char *psLine) +{ + int pos = 0; + u_char *s; + + if (!psLine || !*psLine) + return 0; + + for (s = psLine; isspace(*s); s++); + pos = s - psLine; + + memmove(psLine, s, (strlen((char*) psLine) - pos) + 1); + return pos; +} + +/* + * io_RTrimStr() Remove right whitespaces from text string + * @psLine = Text string + * return: 0 nothing to do; !=0 Removed bytes +*/ +inline int io_RTrimStr(u_char *psLine) +{ + u_char *t, *pos; + + if (!psLine || !*psLine) + return 0; + + pos = psLine + strlen((char*) psLine); + for (t = pos - 1; t > psLine && isspace(*t); t--); + *++t = 0; + + return pos - t; +} + +/* + * io_TrimStr() Remove left and right whitespaces from text string + * @psLine = Text string + * return: 0 nothing to do; !=0 Removed bytes +*/ +inline int io_TrimStr(u_char *psLine) +{ + int ret = 0; + + ret = io_LTrimStr(psLine); + ret += io_RTrimStr(psLine); + + return ret; +} + +/* + * io_UnquotStr() Remove quots from input text string + * @psLine = Text string + * return: 0 nothing to do; 1 successful unquoted string +*/ +inline int io_UnquotStr(u_char *psLine) +{ + char *pos, *str = NULL; + int flg; + + if (!psLine) + return 0; + + switch (*psLine) { + case '`': + case '"': + case '\'': + str = strdup((char*) psLine + 1); + for (pos = str, flg = 0; *pos; flg = ('\\' == *pos), pos++) { + if (!flg && *pos == *psLine) { + *pos = 0; + strlcpy((char*) psLine, str, strlen((char*) psLine) + 1); + break; + } + } + free(str); + return 1; + } + + return 0; +} + +/* + * io_Char2Hex() Convert from Char string to Hex string + * @psLine = Text string + * @lineLen = Length of Text string + * return: NULL nothing to do or error; !=0 Allocated new converted string(must be free) +*/ +inline char *io_Char2Hex(u_char *psLine, int lineLen) +{ + register int i; + char szWork[3], *str; + + if (!psLine || !*psLine || !lineLen) + return NULL; + + str = malloc(lineLen * 2 + 1); + if (!str) { + LOGERR; + return NULL; + } else + memset(str, 0, lineLen * 2 + 1); + + for (i = 0; i < lineLen && psLine[i]; i++) { + memset(szWork, 0, 3); + snprintf(szWork, 3, "%02X", (u_char) psLine[i]); + strncat(str, szWork, 2); + } + + return str; +} + + +/* + * io_Hex2Char() Convert from Hex string to Char string + * @psLine = Text string + * @lineLen = Length of Text string + * return: NULL nothing to do or error; !=0 Allocated new converted string(must be free) +*/ +inline char *io_Hex2Char(u_char *psLine, int lineLen) +{ + register int i; + char szWork[3], *str; + + if (!psLine || !*psLine || !lineLen) + return NULL; + + str = malloc(lineLen / 2 + 1); + if (!str) { + LOGERR; + return NULL; + } else + memset(str, 0, lineLen / 2 + 1); + + for (i = 0; i < lineLen && psLine[i * 2]; i++) { + strlcpy(szWork, (char*) &psLine[i * 2], 3); + str[i] = (char) strtol(szWork, NULL, 16); + } + + return str; +}