FreeCalypso > hg > freecalypso-tools
annotate target-utils/libc/strncat.c @ 416:30f6d1c32c6f
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 |
rev | line source |
---|---|
87
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 * Concatenate s2 on the end of s1. S1's space must be large enough. |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 * At most n characters are moved. |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 * Return s1. |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 */ |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 char * |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 strncat(s1, s2, n) |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 register char *s1, *s2; |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 register n; |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 { |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 register char *os1; |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 os1 = s1; |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 while (*s1++) |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 ; |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 --s1; |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 while (*s1++ = *s2++) |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 if (--n < 0) { |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 *--s1 = '\0'; |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 break; |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 } |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 return(os1); |
7fb62fc724dc
target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 } |