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);
43 static inline void *solv_extend(void *buf, size_t len, size_t nmemb, size_t size, size_t block)
47 if ((len & block) == 0)
48 buf = solv_realloc2(buf, len + (1 + block), size);
52 if (((len - 1) | block) != ((len + nmemb - 1) | block))
53 buf = solv_realloc2(buf, (len + (nmemb + block)) & ~block, size);
59 * extend an array by reallocation and zero's the new section
62 * nmbemb number of elements to add
63 * size size of each element
64 * block block size used to allocate the elements
66 static inline void *solv_zextend(void *buf, size_t len, size_t nmemb, size_t size, size_t block)
68 buf = solv_extend(buf, len, nmemb, size, block);
69 memset((char *)buf + len * size, 0, nmemb * size);
73 static inline void *solv_extend_resize(void *buf, size_t len, size_t size, size_t block)
76 buf = solv_realloc2(buf, (len + block) & ~block, size);
80 static inline void *solv_calloc_block(size_t len, size_t size, size_t block)
85 buf = solv_malloc2((len + block) & ~block, size);
86 memset(buf, 0, ((len + block) & ~block) * size);
94 #endif /* LIBSOLV_UTIL_H */