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estrtoul.c - ubase - suckless linux base utils |
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estrtoul.c (452B) |
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1 /* See LICENSE file for copyright and license details. */ |
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2 #include <errno.h> |
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3 #include <stdio.h> |
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4 #include <stdlib.h> |
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5 |
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6 #include "../util.h" |
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7 |
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8 unsigned long |
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9 estrtoul(const char *s, int base) |
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10 { |
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11 char *end; |
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12 unsigned long n; |
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13 |
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14 errno = 0; |
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15 n = strtoul(s, &end, base); |
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16 if (*end != '\0') { |
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17 if (base == 0) |
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18 eprintf("%s: not an integer\n", s); |
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19 else |
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20 eprintf("%s: not a base %d integer\n", s, base); |
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21 } |
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22 if (errno != 0) |
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23 eprintf("%s:", s); |
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24 |
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25 return n; |
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26 } |
