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| Source at commit 1158 created 13 years 16 days ago. By azimutz, Match nvidia.c with the one on my branch (Chazi) adding dev id's from issue 99 and Asus G74SX (0DF4, 1251). | |
|---|---|
| 1 | /*␊ |
| 2 | * strntoumax.c␊ |
| 3 | *␊ |
| 4 | * The strntoumax() function and associated␊ |
| 5 | */␊ |
| 6 | #include "libsaio.h"␊ |
| 7 | ␊ |
| 8 | static inline int digitval(int ch)␊ |
| 9 | {␊ |
| 10 | ␉if (ch >= '0' && ch <= '9') {␊ |
| 11 | ␉␉return ch - '0';␊ |
| 12 | ␉} else if (ch >= 'A' && ch <= 'Z') {␊ |
| 13 | ␉␉return ch - 'A' + 10;␊ |
| 14 | ␉} else if (ch >= 'a' && ch <= 'z') {␊ |
| 15 | ␉␉return ch - 'a' + 10;␊ |
| 16 | ␉} else {␊ |
| 17 | ␉␉return -1;␊ |
| 18 | ␉}␊ |
| 19 | }␊ |
| 20 | ␊ |
| 21 | uintmax_t strntoumax(const char *nptr, char **endptr, int base, size_t n)␊ |
| 22 | {␊ |
| 23 | ␉int minus = 0;␊ |
| 24 | ␉uintmax_t v = 0;␊ |
| 25 | ␉int d;␊ |
| 26 | ␊ |
| 27 | ␉while (n && isspace((unsigned char)*nptr)) {␊ |
| 28 | ␉␉nptr++;␊ |
| 29 | ␉␉n--;␊ |
| 30 | ␉}␊ |
| 31 | ␊ |
| 32 | ␉/* Single optional + or - */␊ |
| 33 | ␉if (n) {␊ |
| 34 | ␉␉char c = *nptr;␊ |
| 35 | ␉␉if (c == '-' || c == '+') {␊ |
| 36 | ␉␉␉minus = (c == '-');␊ |
| 37 | ␉␉␉nptr++;␊ |
| 38 | ␉␉␉n--;␊ |
| 39 | ␉␉}␊ |
| 40 | ␉}␊ |
| 41 | ␊ |
| 42 | ␉if (base == 0) {␊ |
| 43 | ␉␉if (n >= 2 && nptr[0] == '0' &&␊ |
| 44 | ␉␉ (nptr[1] == 'x' || nptr[1] == 'X')) {␊ |
| 45 | ␉␉␉n -= 2;␊ |
| 46 | ␉␉␉nptr += 2;␊ |
| 47 | ␉␉␉base = 16;␊ |
| 48 | ␉␉} else if (n >= 1 && nptr[0] == '0') {␊ |
| 49 | ␉␉␉n--;␊ |
| 50 | ␉␉␉nptr++;␊ |
| 51 | ␉␉␉base = 8;␊ |
| 52 | ␉␉} else {␊ |
| 53 | ␉␉␉base = 10;␊ |
| 54 | ␉␉}␊ |
| 55 | ␉} else if (base == 16) {␊ |
| 56 | ␉␉if (n >= 2 && nptr[0] == '0' &&␊ |
| 57 | ␉␉ (nptr[1] == 'x' || nptr[1] == 'X')) {␊ |
| 58 | ␉␉␉n -= 2;␊ |
| 59 | ␉␉␉nptr += 2;␊ |
| 60 | ␉␉}␊ |
| 61 | ␉}␊ |
| 62 | ␊ |
| 63 | ␉while (n && (d = digitval(*nptr)) >= 0 && d < base) {␊ |
| 64 | ␉␉v = v * base + d;␊ |
| 65 | ␉␉n--;␊ |
| 66 | ␉␉nptr++;␊ |
| 67 | ␉}␊ |
| 68 | ␊ |
| 69 | ␉if (endptr)␊ |
| 70 | ␉␉*endptr = (char *)nptr;␊ |
| 71 | ␊ |
| 72 | ␉return minus ? -v : v;␊ |
| 73 | }␊ |
| 74 | |
