Last change
on this file was
444,
checked in by satin@…, 6 years ago
|
add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
1.2 KB
|
Rev | Line | |
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[444] | 1 | /* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved. |
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| 2 | * |
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| 3 | * Permission to use, copy, modify, and distribute this software |
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| 4 | * is freely granted, provided that this notice is preserved. |
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| 5 | */ |
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| 6 | |
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| 7 | #include <argz.h> |
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| 8 | #include <errno.h> |
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| 9 | #include <sys/types.h> |
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| 10 | #include <string.h> |
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| 11 | #include <stdlib.h> |
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| 12 | |
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| 13 | error_t |
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| 14 | argz_create_sep (const char *string, |
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| 15 | int sep, |
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| 16 | char **argz, |
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| 17 | size_t *argz_len) |
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| 18 | { |
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| 19 | int len = 0; |
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| 20 | int i = 0; |
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| 21 | int num_strings = 0; |
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| 22 | char delim[2]; |
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| 23 | char *running = 0; |
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| 24 | char *old_running = 0; |
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| 25 | char *token = 0; |
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| 26 | char *iter = 0; |
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| 27 | |
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| 28 | *argz_len = 0; |
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| 29 | |
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| 30 | if (!string || string[0] == '\0') |
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| 31 | { |
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| 32 | *argz= NULL; |
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| 33 | return 0; |
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| 34 | } |
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| 35 | |
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| 36 | delim[0] = sep; |
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| 37 | delim[1] = '\0'; |
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| 38 | |
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| 39 | running = strdup(string); |
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| 40 | old_running = running; |
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| 41 | |
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| 42 | while ((token = strsep(&running, delim))) |
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| 43 | { |
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| 44 | len = strlen(token); |
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| 45 | *argz_len += (len + 1); |
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| 46 | num_strings++; |
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| 47 | } |
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| 48 | |
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| 49 | if(!(*argz = (char *)malloc(*argz_len))) |
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| 50 | return ENOMEM; |
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| 51 | |
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| 52 | free(old_running); |
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| 53 | |
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| 54 | running = strdup(string); |
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| 55 | old_running = running; |
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| 56 | |
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| 57 | iter = *argz; |
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| 58 | for (i = 0; i < num_strings; i++) |
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| 59 | { |
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| 60 | token = strsep(&running, delim); |
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| 61 | len = strlen(token) + 1; |
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| 62 | memcpy(iter, token, len); |
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| 63 | iter += len; |
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| 64 | } |
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| 65 | |
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| 66 | free(old_running); |
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| 67 | return 0; |
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| 68 | } |
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