69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
#include <common.h>
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#include <linux/ctype.h>
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unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base)
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{
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unsigned long result = 0,value;
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if (*cp == '0') {
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cp++;
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if ((*cp == 'x') && isxdigit(cp[1])) {
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base = 16;
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cp++;
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}
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if (!base) {
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base = 8;
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}
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}
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if (!base) {
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base = 10;
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}
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while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
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? toupper(*cp) : *cp)-'A'+10) < base) {
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result = result*base + value;
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cp++;
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}
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if (endp)
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*endp = (char *)cp;
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return result;
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}
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EXPORT_SYMBOL(simple_strtoul);
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long simple_strtol(const char *cp,char **endp,unsigned int base)
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{
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if(*cp=='-')
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return -simple_strtoul(cp+1,endp,base);
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return simple_strtoul(cp,endp,base);
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}
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EXPORT_SYMBOL(simple_strtol);
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unsigned long long simple_strtoull (const char *cp, char **endp, unsigned int base)
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{
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unsigned long long result = 0, value;
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if (*cp == '0') {
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cp++;
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if ((*cp == 'x') && isxdigit (cp[1])) {
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base = 16;
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cp++;
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}
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if (!base) {
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base = 8;
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}
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}
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if (!base) {
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base = 10;
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}
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while (isxdigit (*cp) && (value = isdigit (*cp)
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? *cp - '0'
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: (islower (*cp) ? toupper (*cp) : *cp) - 'A' + 10) < base) {
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result = result * base + value;
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cp++;
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}
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if (endp)
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*endp = (char *) cp;
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return result;
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}
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EXPORT_SYMBOL(simple_strtoull);
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