Annotation of libaitio/src/tools.c, revision 1.1.2.2
1.1.2.1 misho 1: /*************************************************************************
2: * (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
1.1.2.2 ! misho 6: * $Id: tools.c,v 1.1.2.1 2010/03/22 18:25:07 misho Exp $
1.1.2.1 misho 7: *
8: *************************************************************************/
9: #include "global.h"
10: #include "aitio.h"
11:
12:
13: /*
14: * io_LTrimStr() Remove left whitespaces from text string
15: * @psLine = Text string
16: * return: 0 nothing to do; !=0 Removed bytes
17: */
18: inline int io_LTrimStr(u_char *psLine)
19: {
20: int pos = 0;
21: u_char *s;
22:
23: if (!psLine || !*psLine)
24: return 0;
25:
26: for (s = psLine; isspace(*s); s++);
27: pos = s - psLine;
28:
29: memmove(psLine, s, (strlen((char*) psLine) - pos) + 1);
30: return pos;
31: }
32:
33: /*
34: * io_RTrimStr() Remove right whitespaces from text string
35: * @psLine = Text string
36: * return: 0 nothing to do; !=0 Removed bytes
37: */
38: inline int io_RTrimStr(u_char *psLine)
39: {
40: u_char *t, *pos;
41:
42: if (!psLine || !*psLine)
43: return 0;
44:
45: pos = psLine + strlen((char*) psLine);
46: for (t = pos - 1; t > psLine && isspace(*t); t--);
47: *++t = 0;
48:
49: return pos - t;
50: }
51:
52: /*
53: * io_TrimStr() Remove left and right whitespaces from text string
54: * @psLine = Text string
55: * return: 0 nothing to do; !=0 Removed bytes
56: */
57: inline int io_TrimStr(u_char *psLine)
58: {
59: int ret = 0;
60:
61: ret = io_LTrimStr(psLine);
62: ret += io_RTrimStr(psLine);
63:
64: return ret;
65: }
66:
67: /*
68: * io_UnquotStr() Remove quots from input text string
69: * @psLine = Text string
70: * return: 0 nothing to do; 1 successful unquoted string
71: */
72: inline int io_UnquotStr(u_char *psLine)
73: {
74: char *pos, *str = NULL;
75: int flg;
76:
77: if (!psLine)
78: return 0;
79:
80: switch (*psLine) {
81: case '`':
82: case '"':
83: case '\'':
84: str = strdup((char*) psLine + 1);
85: for (pos = str, flg = 0; *pos; flg = ('\\' == *pos), pos++) {
86: if (!flg && *pos == *psLine) {
87: *pos = 0;
88: strlcpy((char*) psLine, str, strlen((char*) psLine) + 1);
89: break;
90: }
91: }
92: free(str);
93: return 1;
94: }
95:
96: return 0;
97: }
1.1.2.2 ! misho 98:
! 99: /*
! 100: * io_Char2Hex() Convert from Char string to Hex string
! 101: * @psLine = Text string
! 102: * @lineLen = Length of Text string
! 103: * return: NULL nothing to do or error; !=0 Allocated new converted string(must be free)
! 104: */
! 105: inline char *io_Char2Hex(u_char *psLine, int lineLen)
! 106: {
! 107: register int i;
! 108: char szWork[3], *str;
! 109:
! 110: if (!psLine || !*psLine || !lineLen)
! 111: return NULL;
! 112:
! 113: str = malloc(lineLen * 2);
! 114: if (!str) {
! 115: LOGERR;
! 116: return NULL;
! 117: } else
! 118: memset(str, 0, lineLen * 2);
! 119:
! 120: for (i = 0; i < lineLen && psLine[i]; i++) {
! 121: memset(szWork, 0, 3);
! 122: snprintf(szWork, 3, "%02X", (u_char) psLine[i]);
! 123: strncat(str, szWork, 2);
! 124: }
! 125:
! 126: return str;
! 127: }
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