2 * Copyright (c) 2007, Novell Inc.
4 * This program is licensed under the BSD license, read LICENSE.BSD
5 * for further information
13 #ifndef LIBSOLV_UTIL_H
14 #define LIBSOLV_UTIL_H
25 * exits with error message on error
27 extern void *solv_malloc(size_t);
28 extern void *solv_malloc2(size_t, size_t);
29 extern void *solv_calloc(size_t, size_t);
30 extern void *solv_realloc(void *, size_t);
31 extern void *solv_realloc2(void *, size_t, size_t);
32 extern void *solv_free(void *);
33 extern char *solv_strdup(const char *);
34 extern void solv_oom(size_t, size_t);
35 extern unsigned int solv_timems(unsigned int subtract);
36 extern void solv_sort(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *, void *), void *compard);
37 extern char *solv_dupjoin(const char *str1, const char *str2, const char *str3);
38 extern char *solv_dupappend(const char *str1, const char *str2, const char *str3);
39 extern int solv_hex2bin(const char **strp, unsigned char *buf, int bufl);
40 extern char *solv_bin2hex(const unsigned char *buf, int l, char *str);
41 extern size_t solv_validutf8(const char *buf);
42 extern char *solv_latin1toutf8(const char *buf);
43 extern char *solv_replacebadutf8(const char *buf, int replchar);
46 static inline void *solv_extend(void *buf, size_t len, size_t nmemb, size_t size, size_t block)
50 if ((len & block) == 0)
51 buf = solv_realloc2(buf, len + (1 + block), size);
55 if (((len - 1) | block) != ((len + nmemb - 1) | block))
56 buf = solv_realloc2(buf, (len + (nmemb + block)) & ~block, size);
62 * extend an array by reallocation and zero's the new section
65 * nmbemb number of elements to add
66 * size size of each element
67 * block block size used to allocate the elements
69 static inline void *solv_zextend(void *buf, size_t len, size_t nmemb, size_t size, size_t block)
71 buf = solv_extend(buf, len, nmemb, size, block);
72 memset((char *)buf + len * size, 0, nmemb * size);
76 static inline void *solv_extend_resize(void *buf, size_t len, size_t size, size_t block)
79 buf = solv_realloc2(buf, (len + block) & ~block, size);
83 static inline void *solv_calloc_block(size_t len, size_t size, size_t block)
88 buf = solv_malloc2((len + block) & ~block, size);
89 memset(buf, 0, ((len + block) & ~block) * size);
93 static inline void *solv_memdup(void *buf, size_t len)
98 newbuf = solv_malloc(len);
100 memcpy(newbuf, buf, len);
104 static inline void *solv_memdup2(void *buf, size_t num, size_t len)
109 newbuf = solv_malloc2(num, len);
111 memcpy(newbuf, buf, num * len);
119 #endif /* LIBSOLV_UTIL_H */