FreeCalypso > hg > freecalypso-tools
annotate target-utils/libc/strncmp.c @ 530:c4c0c9cc2a7c
CHANGES: refer to the new doc/Target-utils document
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 16 Jun 2019 19:02:52 +0000 |
parents | 7fb62fc724dc |
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target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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1 /* |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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2 * Compare strings (at most n bytes): s1>s2: >0 s1==s2: 0 s1<s2: <0 |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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3 */ |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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4 |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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5 strncmp(s1, s2, n) |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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6 register char *s1, *s2; |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
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7 register n; |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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8 { |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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9 while (--n >= 0 && *s1 == *s2++) |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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10 if (*s1++ == '\0') |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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11 return(0); |
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target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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12 return(n<0 ? 0 : *s1 - *--s2); |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
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13 } |