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 int solv_setcloexec(int fd, int state);
38 extern void solv_sort(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *, void *), void *compard);
39 extern char *solv_dupjoin(const char *str1, const char *str2, const char *str3);
40 extern char *solv_dupappend(const char *str1, const char *str2, const char *str3);
41 extern int solv_hex2bin(const char **strp, unsigned char *buf, int bufl);
42 extern char *solv_bin2hex(const unsigned char *buf, int l, char *str);
43 extern size_t solv_validutf8(const char *buf);
44 extern char *solv_latin1toutf8(const char *buf);
45 extern char *solv_replacebadutf8(const char *buf, int replchar);
48 static inline void *solv_extend(void *buf, size_t len, size_t nmemb, size_t size, size_t block)
52 if ((len & block) == 0)
53 buf = solv_extend_realloc(buf, len + 1, size, block);
57 if (((len - 1) | block) != ((len + nmemb - 1) | block))
58 buf = solv_extend_realloc(buf, len + nmemb, size, block);
64 * extend an array by reallocation and zero's the new section
67 * nmbemb number of elements to add
68 * size size of each element
69 * block block size used to allocate the elements
71 static inline void *solv_zextend(void *buf, size_t len, size_t nmemb, size_t size, size_t block)
73 buf = solv_extend(buf, len, nmemb, size, block);
74 memset((char *)buf + len * size, 0, nmemb * size);
78 static inline void *solv_extend_resize(void *buf, size_t len, size_t size, size_t block)
81 buf = solv_extend_realloc(buf, len, size, block);
85 static inline void *solv_calloc_block(size_t len, size_t size, size_t block)
90 buf = solv_extend_realloc((void *)0, len, size, block);
91 memset(buf, 0, ((len + block) & ~block) * size);
95 static inline void *solv_memdup(void *buf, size_t len)
100 newbuf = solv_malloc(len);
102 memcpy(newbuf, buf, len);
106 static inline void *solv_memdup2(void *buf, size_t num, size_t len)
111 newbuf = solv_malloc2(num, len);
113 memcpy(newbuf, buf, num * len);
121 #endif /* LIBSOLV_UTIL_H */