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_extend_realloc(void *, size_t, size_t, size_t);
33 extern void *solv_free(void *);
34 extern char *solv_strdup(const char *);
35 extern void solv_oom(size_t, size_t);
36 extern unsigned int solv_timems(unsigned int subtract);
37 extern void solv_sort(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *, void *), void *compard);
38 extern char *solv_dupjoin(const char *str1, const char *str2, const char *str3);
39 extern char *solv_dupappend(const char *str1, const char *str2, const char *str3);
40 extern int solv_hex2bin(const char **strp, unsigned char *buf, int bufl);
41 extern char *solv_bin2hex(const unsigned char *buf, int l, char *str);
42 extern size_t solv_validutf8(const char *buf);
43 extern char *solv_latin1toutf8(const char *buf);
44 extern char *solv_replacebadutf8(const char *buf, int replchar);
47 static inline void *solv_extend(void *buf, size_t len, size_t nmemb, size_t size, size_t block)
51 if ((len & block) == 0)
52 buf = solv_extend_realloc(buf, len + 1, size, block);
56 if (((len - 1) | block) != ((len + nmemb - 1) | block))
57 buf = solv_extend_realloc(buf, len + nmemb, size, block);
63 * extend an array by reallocation and zero's the new section
66 * nmbemb number of elements to add
67 * size size of each element
68 * block block size used to allocate the elements
70 static inline void *solv_zextend(void *buf, size_t len, size_t nmemb, size_t size, size_t block)
72 buf = solv_extend(buf, len, nmemb, size, block);
73 memset((char *)buf + len * size, 0, nmemb * size);
77 static inline void *solv_extend_resize(void *buf, size_t len, size_t size, size_t block)
80 buf = solv_extend_realloc(buf, len, size, block);
84 static inline void *solv_calloc_block(size_t len, size_t size, size_t block)
89 buf = solv_extend_realloc((void *)0, len, size, block);
90 memset(buf, 0, ((len + block) & ~block) * size);
94 static inline void *solv_memdup(void *buf, size_t len)
99 newbuf = solv_malloc(len);
101 memcpy(newbuf, buf, len);
105 static inline void *solv_memdup2(void *buf, size_t num, size_t len)
110 newbuf = solv_malloc2(num, len);
112 memcpy(newbuf, buf, num * len);
120 #endif /* LIBSOLV_UTIL_H */