FreeCalypso > hg > freecalypso-tools

annotate target-utils/libc/atoi.c @ 416:30f6d1c32c6f

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doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents 7fb62fc724dc
children
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7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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1 atoi(p)
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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2 register char *p;
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3 {
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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4 register int n;
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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5 register int f;
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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6
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7 n = 0;
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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8 f = 0;
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9 for(;;p++) {
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10 switch(*p) {
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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11 case ' ':
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12 case '\t':
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13 continue;
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14 case '-':
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15 f++;
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16 case '+':
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17 p++;
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18 }
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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19 break;
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20 }
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21 while(*p >= '0' && *p <= '9')
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22 n = n*10 + *p++ - '0';
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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23 return(f? -n: n);
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24 }