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- /*
- * Copyright (c) 2007, Novell Inc.
- *
- * This program is licensed under the BSD license, read LICENSE.BSD
- * for further information
- */
- /*
- * util.h
- *
- */
- #ifndef LIBSOLV_UTIL_H
- #define LIBSOLV_UTIL_H
- #include <stddef.h>
- #include <string.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- /**
- * malloc
- * exits with error message on error
- */
- extern void *solv_malloc(size_t);
- extern void *solv_malloc2(size_t, size_t);
- extern void *solv_calloc(size_t, size_t);
- extern void *solv_realloc(void *, size_t);
- extern void *solv_realloc2(void *, size_t, size_t);
- extern void *solv_extend_realloc(void *, size_t, size_t, size_t);
- extern void *solv_free(void *);
- extern char *solv_strdup(const char *);
- extern void solv_oom(size_t, size_t);
- extern unsigned int solv_timems(unsigned int subtract);
- extern int solv_setcloexec(int fd, int state);
- extern void solv_sort(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *, void *), void *compard);
- extern char *solv_dupjoin(const char *str1, const char *str2, const char *str3);
- extern char *solv_dupappend(const char *str1, const char *str2, const char *str3);
- extern int solv_hex2bin(const char **strp, unsigned char *buf, int bufl);
- extern char *solv_bin2hex(const unsigned char *buf, int l, char *str);
- extern size_t solv_validutf8(const char *buf);
- extern char *solv_latin1toutf8(const char *buf);
- extern char *solv_replacebadutf8(const char *buf, int replchar);
- static inline void *solv_extend(void *buf, size_t len, size_t nmemb, size_t size, size_t block)
- {
- if (nmemb == 1)
- {
- if ((len & block) == 0)
- buf = solv_extend_realloc(buf, len + 1, size, block);
- }
- else
- {
- if (((len - 1) | block) != ((len + nmemb - 1) | block))
- buf = solv_extend_realloc(buf, len + nmemb, size, block);
- }
- return buf;
- }
- /**
- * extend an array by reallocation and zero's the new section
- * buf old pointer
- * len current size
- * nmbemb number of elements to add
- * size size of each element
- * block block size used to allocate the elements
- */
- static inline void *solv_zextend(void *buf, size_t len, size_t nmemb, size_t size, size_t block)
- {
- buf = solv_extend(buf, len, nmemb, size, block);
- memset((char *)buf + len * size, 0, nmemb * size);
- return buf;
- }
- static inline void *solv_extend_resize(void *buf, size_t len, size_t size, size_t block)
- {
- if (len)
- buf = solv_extend_realloc(buf, len, size, block);
- return buf;
- }
- static inline void *solv_calloc_block(size_t len, size_t size, size_t block)
- {
- void *buf;
- if (!len)
- return 0;
- buf = solv_extend_realloc((void *)0, len, size, block);
- memset(buf, 0, ((len + block) & ~block) * size);
- return buf;
- }
- static inline void *solv_memdup(const void *buf, size_t len)
- {
- void *newbuf;
- if (!buf)
- return 0;
- newbuf = solv_malloc(len);
- if (len)
- memcpy(newbuf, buf, len);
- return newbuf;
- }
- static inline void *solv_memdup2(const void *buf, size_t num, size_t len)
- {
- void *newbuf;
- if (!buf)
- return 0;
- newbuf = solv_malloc2(num, len);
- if (num)
- memcpy(newbuf, buf, num * len);
- return newbuf;
- }
- #ifdef __cplusplus
- }
- #endif
- #endif /* LIBSOLV_UTIL_H */
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