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
21 * exits with error message on error
23 extern void *solv_malloc(size_t);
24 extern void *solv_malloc2(size_t, size_t);
25 extern void *solv_calloc(size_t, size_t);
26 extern void *solv_realloc(void *, size_t);
27 extern void *solv_realloc2(void *, size_t, size_t);
28 extern void *solv_free(void *);
29 extern char *solv_strdup(const char *);
30 extern void solv_oom(size_t, size_t);
31 extern unsigned int solv_timems(unsigned int subtract);
32 extern void solv_sort(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *, void *), void *compard);
33 extern char *solv_dupjoin(const char *str1, const char *str2, const char *str3);
34 extern char *solv_dupappend(const char *str1, const char *str2, const char *str3);
35 extern int solv_hex2bin(const char **strp, unsigned char *buf, int bufl);
36 extern char *solv_bin2hex(const unsigned char *buf, int l, char *str);
39 static inline void *solv_extend(void *buf, size_t len, size_t nmemb, size_t size, size_t block)
43 if ((len & block) == 0)
44 buf = solv_realloc2(buf, len + (1 + block), size);
48 if (((len - 1) | block) != ((len + nmemb - 1) | block))
49 buf = solv_realloc2(buf, (len + (nmemb + block)) & ~block, size);
55 * extend an array by reallocation and zero's the new section
58 * nmbemb number of elements to add
59 * size size of each element
60 * block block size used to allocate the elements
62 static inline void *solv_zextend(void *buf, size_t len, size_t nmemb, size_t size, size_t block)
64 buf = solv_extend(buf, len, nmemb, size, block);
65 memset((char *)buf + len * size, 0, nmemb * size);
69 static inline void *solv_extend_resize(void *buf, size_t len, size_t size, size_t block)
72 buf = solv_realloc2(buf, (len + block) & ~block, size);
76 static inline void *solv_calloc_block(size_t len, size_t size, size_t block)
81 buf = solv_malloc2((len + block) & ~block, size);
82 memset(buf, 0, ((len + block) & ~block) * size);
85 #endif /* LIBSOLV_UTIL_H */