htop/XUtils.h

78 lines
2.2 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, bool multi);
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_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