mirror of
https://github.com/0intro/wmii
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78 lines
1.2 KiB
C
78 lines
1.2 KiB
C
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/* Copyright ©2008 Kris Maglione <fbsdaemon@gmail.com>
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* See LICENSE file for license details.
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*/
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#include "dat.h"
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#include <ctype.h>
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#include <string.h>
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#include "fns.h"
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#define strbcmp(str, const) (strncmp((str), (const), sizeof(const)-1))
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static 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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bool
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getlong(const char *s, long *ret) {
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const char *end;
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char *rend;
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int base;
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long sign;
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end = s+strlen(s);
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base = getbase(&s, &sign);
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if(sign == 0)
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return false;
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*ret = sign * strtol(s, &rend, base);
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return (end == rend);
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}
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bool
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getulong(const char *s, ulong *ret) {
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const char *end;
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char *rend;
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int base;
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long sign;
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end = s+strlen(s);
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base = getbase(&s, &sign);
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if(sign < 1)
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return false;
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*ret = strtoul(s, &rend, base);
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return (end == rend);
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}
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