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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-03-09 13:19:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-03-09 13:19:22 +0000 |
commit | c21c3b0befeb46a51b6bf3758ffa30813bea0ff0 (patch) | |
tree | 9754ff1ca740f6346cf8483ec915d4054bc5da2d /fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/utils/bh_common.c | |
parent | Adding upstream version 1.43.2. (diff) | |
download | netdata-c21c3b0befeb46a51b6bf3758ffa30813bea0ff0.tar.xz netdata-c21c3b0befeb46a51b6bf3758ffa30813bea0ff0.zip |
Adding upstream version 1.44.3.upstream/1.44.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/utils/bh_common.c')
-rw-r--r-- | fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/utils/bh_common.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/utils/bh_common.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/utils/bh_common.c new file mode 100644 index 000000000..aeeab26bd --- /dev/null +++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/utils/bh_common.c @@ -0,0 +1,163 @@ +/* + * Copyright (C) 2019 Intel Corporation. All rights reserved. + * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception + */ + +#include "bh_common.h" + +static char * +align_ptr(char *src, unsigned int b) +{ + uintptr_t v = (uintptr_t)src; + uintptr_t m = b - 1; + return (char *)((v + m) & ~m); +} + +/* +Memory copy, with word alignment +*/ +int +b_memcpy_wa(void *s1, unsigned int s1max, const void *s2, unsigned int n) +{ + char *dest = (char *)s1; + char *src = (char *)s2; + + char *pa = align_ptr(src, 4); + char *pb = align_ptr((src + n), 4); + + unsigned int buff; + const char *p_byte_read; + + unsigned int *p; + char *ps; + + if (pa > src) { + pa -= 4; + } + + for (p = (unsigned int *)pa; p < (unsigned int *)pb; p++) { + buff = *(p); + p_byte_read = ((char *)&buff); + + /* read leading word */ + if ((char *)p <= src) { + for (ps = src; ps < ((char *)p + 4); ps++) { + if (ps >= src + n) { + break; + } + p_byte_read = ((char *)&buff) + (ps - (char *)p); + *dest++ = *p_byte_read; + } + } + /* read trailing word */ + else if ((char *)p >= pb - 4) { + for (ps = (char *)p; ps < src + n; ps++) { + *dest++ = *p_byte_read++; + } + } + /* read meaning word(s) */ + else { + if ((char *)p + 4 >= src + n) { + for (ps = (char *)p; ps < src + n; ps++) { + *dest++ = *p_byte_read++; + } + } + else { + *(unsigned int *)dest = buff; + dest += 4; + } + } + } + + return 0; +} + +int +b_memcpy_s(void *s1, unsigned int s1max, const void *s2, unsigned int n) +{ + char *dest = (char *)s1; + char *src = (char *)s2; + if (n == 0) { + return 0; + } + + if (s1 == NULL) { + return -1; + } + if (s2 == NULL || n > s1max) { + memset(dest, 0, s1max); + return -1; + } + memcpy(dest, src, n); + return 0; +} + +int +b_memmove_s(void *s1, unsigned int s1max, const void *s2, unsigned int n) +{ + char *dest = (char *)s1; + char *src = (char *)s2; + if (n == 0) { + return 0; + } + + if (s1 == NULL) { + return -1; + } + if (s2 == NULL || n > s1max) { + memset(dest, 0, s1max); + return -1; + } + memmove(dest, src, n); + return 0; +} + +int +b_strcat_s(char *s1, unsigned int s1max, const char *s2) +{ + if (NULL == s1 || NULL == s2 || s1max < (strlen(s1) + strlen(s2) + 1)) { + return -1; + } + + memcpy(s1 + strlen(s1), s2, strlen(s2) + 1); + return 0; +} + +int +b_strcpy_s(char *s1, unsigned int s1max, const char *s2) +{ + if (NULL == s1 || NULL == s2 || s1max < (strlen(s2) + 1)) { + return -1; + } + + memcpy(s1, s2, strlen(s2) + 1); + return 0; +} + +char * +bh_strdup(const char *s) +{ + uint32 size; + char *s1 = NULL; + + if (s) { + size = (uint32)(strlen(s) + 1); + if ((s1 = BH_MALLOC(size))) + bh_memcpy_s(s1, size, s, size); + } + return s1; +} + +char * +wa_strdup(const char *s) +{ + uint32 size; + char *s1 = NULL; + + if (s) { + size = (uint32)(strlen(s) + 1); + if ((s1 = WA_MALLOC(size))) + bh_memcpy_s(s1, size, s, size); + } + return s1; +} |