htop/XUtils.h

79 lines
2.3 KiB
C

#ifndef HEADER_XUtils
#define HEADER_XUtils
/*
htop - StringUtils.h
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h" // IWYU pragma: keep
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h> // IWYU pragma: keep
#include <string.h> // IWYU pragma: keep
#include "Compat.h"
#include "Macros.h"
void fail(void) ATTR_NORETURN;
void* xMalloc(size_t size) ATTR_ALLOC_SIZE1(1) ATTR_MALLOC;
void* xMallocArray(size_t nmemb, size_t size) ATTR_ALLOC_SIZE2(1, 2) ATTR_MALLOC;
void* xCalloc(size_t nmemb, size_t size) ATTR_ALLOC_SIZE2(1, 2) ATTR_MALLOC;
void* xRealloc(void* ptr, size_t size) ATTR_ALLOC_SIZE1(2);
void* xReallocArray(void* ptr, size_t nmemb, size_t size) ATTR_ALLOC_SIZE2(2, 3);
void* xReallocArrayZero(void* ptr, size_t prevmemb, size_t newmemb, size_t size) ATTR_ALLOC_SIZE2(3, 4);
/*
* String_startsWith gives better performance if strlen(match) can be computed
* at compile time (e.g. when they are immutable string literals). :)
*/
static inline bool String_startsWith(const char* s, const char* match) {
return strncmp(s, match, strlen(match)) == 0;
}
bool String_contains_i(const char* s1, const char* s2);
static inline bool String_eq(const char* s1, const char* s2) {
return strcmp(s1, s2) == 0;
}
char* String_cat(const char* s1, const char* s2) ATTR_MALLOC;
char* String_trim(const char* in) ATTR_MALLOC;
char** String_split(const char* s, char sep, size_t* n);
void String_freeArray(char** s);
char* String_getToken(const char* line, unsigned short int numMatch) ATTR_MALLOC;
char* String_readLine(FILE* fd) ATTR_MALLOC;
/* Always null-terminates dest. Caller must pass a strictly positive size. */
size_t String_safeStrncpy(char* restrict dest, const char* restrict src, size_t size);
ATTR_FORMAT(printf, 2, 3)
int xAsprintf(char** strp, const char* fmt, ...);
ATTR_FORMAT(printf, 3, 4)
int xSnprintf(char* buf, size_t len, const char* fmt, ...);
char* xStrdup(const char* str) ATTR_NONNULL ATTR_MALLOC;
void free_and_xStrdup(char** ptr, const char* str);
char* xStrndup(const char* str, size_t len) ATTR_NONNULL ATTR_MALLOC;
ssize_t xReadfile(const char* pathname, void* buffer, size_t count);
ssize_t xReadfileat(openat_arg_t dirfd, const char* pathname, void* buffer, size_t count);
#endif