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/**
* @defgroup util_libc_h util_libc: Libc wrapper interface
* @{
* @brief Handle standard errors for libc functions
*
* Copyright IBM Corp. 2016, 2017
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#ifndef LIB_UTIL_LIBC_H
#define LIB_UTIL_LIBC_H
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Allocate memory or panic in case of failure
*
* @param[in] size Number of bytes to be allocated
*
* @returns Pointer to memory buffer created with malloc()
*/
#define util_malloc(size) \
__util_malloc(__func__, __FILE__, __LINE__, size)
void *__util_malloc(const char *func, const char *file, int line, size_t size);
/**
* Allocate zero-initialized memory or panic in case of failure
*
* @param[in] size Number of bytes to be allocated
*
* @returns Pointer to memory buffer created with calloc()
*/
#define util_zalloc(size) \
__util_zalloc(__func__, __FILE__, __LINE__, size)
void *__util_zalloc(const char *func, const char *file, int line, size_t size);
/**
* Re-allocate memory or exit in case of failure
*
* @param[in] ptr Pointer ot old memory buffer
* @param[in] size Number of bytes to be allocated
*
* @returns Pointer to memory buffer created with realloc()
*/
#define util_realloc(ptr, size) \
__util_realloc(__func__, __FILE__, __LINE__, ptr, size)
void *__util_realloc(const char *func, const char *file, int line,
void *ptr, size_t size);
/**
* Duplicate a string buffer or exit in case of failure
*
* @param[in] str String to be duplicated
*
* @returns Pointer to copied string allocated with malloc()
*/
#define util_strdup(str) \
__util_strdup(__func__, __FILE__, __LINE__, str)
void *__util_strdup(const char *func, const char *file, int line,
const char *str);
/**
* Print to allocated string or exit in case of failure
*
* @param[in,out] strp Pointer for returned string allocated with malloc()
* @param[in] fmt Format string for generation of string
* @param[in] ap Parameters for format string
*
* @returns num Number of formatted characters
*/
#define util_vasprintf(strp, fmt, ap) \
__util_vasprintf(__func__, __FILE__, __LINE__, strp, fmt, ap)
#define UTIL_VASPRINTF(strp, fmt, ap) \
do { \
va_start(ap, fmt); \
util_vasprintf(strp, fmt, ap); \
va_end(ap); \
} while (0)
int __util_vasprintf(const char *func, const char *file, int line,
char **strp, const char *fmt, va_list ap);
/**
* Print to newly allocated string or exit in case of failure
*
* @param[in,out] strp Pointer for returned string allocated with malloc()
* @param[in] ... Format string and parameters for format string
*
* @returns num Number of formatted characters
*/
#define util_asprintf(strp, ...) \
__util_asprintf(__func__, __FILE__, __LINE__, strp, ##__VA_ARGS__)
int __util_asprintf(const char *func, const char *file, int line,
char **strp, const char *fmt, ...);
/**
* Print to string buffer or exit in case of failure
*
* @param[in] str String buffer
* @param[in] fmt Format string for generation of string
* @param[in] ap Parameters for format string
*
* @returns num Number of formatted characters
*/
#define util_vsprintf(str, fmt, ap) \
__util_vsprintf(__func__, __FILE__, __LINE__, str, fmt, ap)
#define UTIL_VSPRINTF(str, fmt, ap) \
do { \
va_start(ap, fmt); \
util_vsprintf(str, fmt, ap); \
va_end(ap); \
} while (0)
int __util_vsprintf(const char *func, const char *file, int line,
char *str, const char *fmt, va_list ap);
char *util_strcat_realloc(char *str1, const char *str2);
void util_concatf(char **str1, const char *fmt, ...);
void util_str_toupper(char *str);
char *util_strstrip(char *s);
size_t util_strlcpy(char *dest, const char *src, size_t size);
#ifdef __cplusplus
}
#endif
#endif /** LIB_UTIL_LIBC_H @} */
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