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annotate target-utils/libc/strncpy.c @ 999:30fad2b3afd2

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doc/Flash-write-protection: document flash lock-state retrieval
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 04 Dec 2023 20:40:50 +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 /*
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2 * Copy s2 to s1, truncating or null-padding to always copy n bytes
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3 * return s1
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4 */
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5
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6 char *
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7 strncpy(s1, s2, n)
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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8 register char *s1, *s2;
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9 {
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10 register i;
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11 register char *os1;
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12
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13 os1 = s1;
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14 for (i = 0; i < n; i++)
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15 if ((*s1++ = *s2++) == '\0') {
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16 while (++i < n)
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17 *s1++ = '\0';
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18 return(os1);
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19 }
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20 return(os1);
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21 }