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comparison src/xdiff/xmacros.h @ 32174:f84e5db372ea v9.0.1418

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patch 9.0.1418: the included xdiff code is a bit outdated Commit: https://github.com/vim/vim/commit/5fedb8a5ab7addb584728c89e809be190de992bf Author: Yee Cheng Chin <ychin.git@gmail.com> Date: Mon Mar 20 17:30:52 2023 +0000 patch 9.0.1418: the included xdiff code is a bit outdated Problem: The included xdiff code is a bit outdated. Solution: Sync with the latest git xdiff code. (Yee Cheng Chin, closes #12181)
author Bram Moolenaar <Bram@vim.org>
date Mon, 20 Mar 2023 18:45:04 +0100
parents d5142d87f898
children 9493de63a3f6
comparison
equal deleted inserted replaced
32173:1d3bf14313b6 32174:f84e5db372ea
32 #define XDL_ISDIGIT(c) ((c) >= '0' && (c) <= '9') 32 #define XDL_ISDIGIT(c) ((c) >= '0' && (c) <= '9')
33 #define XDL_ISSPACE(c) (isspace((unsigned char)(c))) 33 #define XDL_ISSPACE(c) (isspace((unsigned char)(c)))
34 #define XDL_ADDBITS(v,b) ((v) + ((v) >> (b))) 34 #define XDL_ADDBITS(v,b) ((v) + ((v) >> (b)))
35 #define XDL_MASKBITS(b) ((1UL << (b)) - 1) 35 #define XDL_MASKBITS(b) ((1UL << (b)) - 1)
36 #define XDL_HASHLONG(v,b) (XDL_ADDBITS((unsigned long)(v), b) & XDL_MASKBITS(b)) 36 #define XDL_HASHLONG(v,b) (XDL_ADDBITS((unsigned long)(v), b) & XDL_MASKBITS(b))
37 #define XDL_PTRFREE(p) do { if (p) { xdl_free(p); (p) = NULL; } } while (0)
38 #define XDL_LE32_PUT(p, v) \ 37 #define XDL_LE32_PUT(p, v) \
39 do { \ 38 do { \
40 unsigned char *__p = (unsigned char *) (p); \ 39 unsigned char *__p = (unsigned char *) (p); \
41 *__p++ = (unsigned char) (v); \ 40 *__p++ = (unsigned char) (v); \
42 *__p++ = (unsigned char) ((v) >> 8); \ 41 *__p++ = (unsigned char) ((v) >> 8); \
48 unsigned char const *__p = (unsigned char const *) (p); \ 47 unsigned char const *__p = (unsigned char const *) (p); \
49 (v) = (unsigned long) __p[0] | ((unsigned long) __p[1]) << 8 | \ 48 (v) = (unsigned long) __p[0] | ((unsigned long) __p[1]) << 8 | \
50 ((unsigned long) __p[2]) << 16 | ((unsigned long) __p[3]) << 24; \ 49 ((unsigned long) __p[2]) << 16 | ((unsigned long) __p[3]) << 24; \
51 } while (0) 50 } while (0)
52 51
52 /* Allocate an array of nr elements, returns NULL on failure */
53 #define XDL_ALLOC_ARRAY(p, nr) \
54 ((p) = SIZE_MAX / sizeof(*(p)) >= (size_t)(nr) \
55 ? xdl_malloc((nr) * sizeof(*(p))) \
56 : NULL)
57
58 /* Allocate an array of nr zeroed out elements, returns NULL on failure */
59 #define XDL_CALLOC_ARRAY(p, nr) ((p) = xdl_calloc(nr, sizeof(*(p))))
60
61 /*
62 * Ensure array p can accommodate at least nr elements, growing the
63 * array and updating alloc (which is the number of allocated
64 * elements) as necessary. Frees p and returns -1 on failure, returns
65 * 0 on success
66 */
67 #define XDL_ALLOC_GROW(p, nr, alloc) \
68 (-!((nr) <= (alloc) || \
69 ((p) = xdl_alloc_grow_helper((p), (nr), &(alloc), sizeof(*(p))))))
53 70
54 #endif /* #if !defined(XMACROS_H) */ 71 #endif /* #if !defined(XMACROS_H) */