FreeCalypso > hg > freecalypso-tools
annotate target-utils/libcommon/hexarg.c @ 350:9ffaeb6fea1a
uptools/atcmd/atinterf.c: logic inversion error
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 04 Feb 2018 18:41:44 +0000 |
parents | e7502631a0f9 |
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e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 /* |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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2 * Many commands take hex arguments. This module contains the parse_hexarg() |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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3 * function, which is a wrapper around strtoul that performs some additional |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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4 * checks. |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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5 */ |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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6 |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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7 #include <sys/types.h> |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 #include <ctype.h> |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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9 #include <stdlib.h> |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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10 |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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11 parse_hexarg(arg, maxdigits, valp) |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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12 char *arg; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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13 int maxdigits; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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14 u_long *valp; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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15 { |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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16 char *cp = arg, *bp; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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17 int len; |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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18 |
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Mychaela Falconia <falcon@freecalypso.org>
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19 if (cp[0] == '0' && (cp[1] == 'x' || cp[1] == 'X')) |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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20 cp += 2; |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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21 for (bp = cp; *cp; cp++) |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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22 if (!isxdigit(*cp)) |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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23 return(-1); |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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24 len = cp - bp; |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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25 if (len < 1 || len > maxdigits) |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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26 return(-1); |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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27 *valp = strtoul(arg, 0, 16); |
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Mychaela Falconia <falcon@freecalypso.org>
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28 return(0); |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
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29 } |