FreeCalypso > hg > freecalypso-tools
annotate target-utils/libc/atoi.c @ 333:74d5e95ee84a
uptools/libcoding: alphabetic address handling implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 03 Feb 2018 23:53:20 +0000 |
parents | 7fb62fc724dc |
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rev | line source |
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target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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1 atoi(p) |
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target-utils/libc: beginning of newlib-ectomy
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2 register char *p; |
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target-utils/libc: beginning of newlib-ectomy
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3 { |
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target-utils/libc: beginning of newlib-ectomy
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4 register int n; |
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target-utils/libc: beginning of newlib-ectomy
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5 register int f; |
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target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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6 |
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target-utils/libc: beginning of newlib-ectomy
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7 n = 0; |
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target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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8 f = 0; |
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Mychaela Falconia <falcon@freecalypso.org>
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9 for(;;p++) { |
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target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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10 switch(*p) { |
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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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Mychaela Falconia <falcon@freecalypso.org>
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18 } |
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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'; |
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23 return(f? -n: n); |
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24 } |