mirror of
https://github.com/0intro/wmii
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44 lines
762 B
C
44 lines
762 B
C
/* Copyright ©2008-2010 Kris Maglione <maglione.k at Gmail>
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* See LICENSE file for license details.
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*/
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#include <ctype.h>
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#include <string.h>
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#include <stuff/util.h>
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#define strbcmp(str, const) (strncmp((str), (const), sizeof(const)-1))
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int
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getbase(const char **s, long *sign) {
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const char *p;
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int ret;
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ret = 10;
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*sign = 1;
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if(**s == '-') {
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*sign = -1;
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*s += 1;
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}else if(**s == '+')
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*s += 1;
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p = *s;
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if(!strbcmp(p, "0x")) {
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*s += 2;
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ret = 16;
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}
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else if(isdigit(p[0])) {
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if(p[1] == 'r') {
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*s += 2;
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ret = p[0] - '0';
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}
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else if(isdigit(p[1]) && p[2] == 'r') {
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*s += 3;
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ret = 10*(p[0]-'0') + (p[1]-'0');
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}
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}
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else if(p[0] == '0') {
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ret = 8;
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}
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if(ret != 10 && (**s == '-' || **s == '+'))
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*sign = 0;
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return ret;
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}
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