| /* |
| * linux/lib/vsprintf.c |
| * |
| * Copyright (C) 1991, 1992 Linus Torvalds |
| */ |
| |
| /* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */ |
| /* |
| * Wirzenius wrote this portably, Torvalds fucked it up :-) |
| */ |
| // TODO: check GPL issue on this file. |
| |
| #include "ctype.h" |
| |
| |
| unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base) |
| { |
| unsigned long result = 0,value; |
| |
| if (*cp == '0') { |
| cp++; |
| if ((*cp == 'x') && isxdigit(cp[1])) { |
| base = 16; |
| cp++; |
| } |
| if (!base) { |
| base = 8; |
| } |
| } |
| if (!base) { |
| base = 10; |
| } |
| while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp) |
| ? toupper(*cp) : *cp)-'A'+10) < base) { |
| result = result*base + value; |
| cp++; |
| } |
| if (endp) |
| *endp = (char *)cp; |
| return result; |
| } |
| |
| long simple_strtol(const char *cp,char **endp,unsigned int base) |
| { |
| if(*cp=='-') |
| return -simple_strtoul(cp+1,endp,base); |
| return simple_strtoul(cp,endp,base); |
| } |