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author | Anton L. Šijanec <sijanecantonluka@gmail.com> | 2020-05-16 19:35:55 +0200 |
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committer | Anton L. Šijanec <sijanecantonluka@gmail.com> | 2020-05-16 19:35:55 +0200 |
commit | 587f44fd93a0024500418ce25bf01d0f177644f4 (patch) | |
tree | 13a981e5bc369cca8cc99ad9547d54b4c76673f5 /lib | |
parent | fix to allow nested commands (diff) | |
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Diffstat (limited to 'lib')
-rw-r--r-- | lib/inarray.c | 9 | ||||
-rw-r--r-- | lib/joinarrays.c | 18 | ||||
-rw-r--r-- | lib/randstring.c | 5 | ||||
-rw-r--r-- | lib/strlcat.c | 39 |
4 files changed, 69 insertions, 2 deletions
diff --git a/lib/inarray.c b/lib/inarray.c new file mode 100644 index 0000000..e45137a --- /dev/null +++ b/lib/inarray.c @@ -0,0 +1,9 @@ +int char_in_array(char val, char * arr) { + int i; + for(i = 0; i < sizeof(arr) / sizeof(arr[0]); i++) { + if(arr[i] == val) { + return 1; + } + } + return 0; +} diff --git a/lib/joinarrays.c b/lib/joinarrays.c new file mode 100644 index 0000000..22070b0 --- /dev/null +++ b/lib/joinarrays.c @@ -0,0 +1,18 @@ +#pragma once +#include <bvr.h> +// do not use this, this is idiotic, use strlcpy +char * join_null_terminated_arrays(char * a1, char * a2) { // returns null terminated array + char sizeof0 = BVR_VALUE_CHUNK_SIZE; + char * a0 = malloc(sizeof(char) * sizeof0); + char i = 0; + char position = 0; + while(a1[i] != 0) { + a0[position++] = a1[i++]; + } + i = 0; + while(a2[i] != 0) { + a0[position++] = a2[i++]; + } + a0[position++] = 0; + return a0; +} diff --git a/lib/randstring.c b/lib/randstring.c index 2eeed8f..dd5ca8f 100644 --- a/lib/randstring.c +++ b/lib/randstring.c @@ -1,12 +1,13 @@ #pragma once +#include <time.h> char *randstring(size_t length) { static char charset[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; char *randomString = NULL; - + time_t t; if (length) { randomString = malloc(sizeof(char) * (length +1)); - + srand((unsigned) time(&t)); if (randomString) { for (int n = 0;n < length;n++) { int key = rand() % (int)(sizeof(charset) -1); diff --git a/lib/strlcat.c b/lib/strlcat.c new file mode 100644 index 0000000..5d4e99e --- /dev/null +++ b/lib/strlcat.c @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2011 Apple, Inc. All rights reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_LICENSE_HEADER_END@ + */ + +#include <strings.h> + +size_t +strlcat(char * restrict dst, const char * restrict src, size_t maxlen) { + const size_t srclen = strlen(src); + const size_t dstlen = strnlen(dst, maxlen); + if (dstlen == maxlen) return maxlen+srclen; + if (srclen < maxlen-dstlen) { + memcpy(dst+dstlen, src, srclen+1); + } else { + memcpy(dst+dstlen, src, maxlen-1); + dst[dstlen+maxlen-1] = '\0'; + } + return dstlen + srclen; +} + |