mirror of https://github.com/xzeldon/htop.git
Add compiler hints on memory allocating utility functions
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37e186fd66
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6
Macros.h
6
Macros.h
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@ -33,6 +33,9 @@
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#define ATTR_NONNULL __attribute__((nonnull))
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#define ATTR_NORETURN __attribute__((noreturn))
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#define ATTR_UNUSED __attribute__((unused))
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#define ATTR_ALLOC_SIZE1(a) __attribute__((alloc_size (a)))
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#define ATTR_ALLOC_SIZE2(a, b) __attribute__((alloc_size (a, b)))
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#define ATTR_MALLOC __attribute__((malloc))
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#else /* __GNUC__ */
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@ -40,6 +43,9 @@
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#define ATTR_NONNULL
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#define ATTR_NORETURN
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#define ATTR_UNUSED
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#define ATTR_ALLOC_SIZE1(a)
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#define ATTR_ALLOC_SIZE2(a, b)
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#define ATTR_MALLOC
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#endif /* __GNUC__ */
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22
XUtils.h
22
XUtils.h
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@ -21,15 +21,15 @@ in the source distribution for its full text.
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void fail(void) ATTR_NORETURN;
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void* xMalloc(size_t size);
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void* xMalloc(size_t size) ATTR_ALLOC_SIZE1(1) ATTR_MALLOC;
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void* xMallocArray(size_t nmemb, size_t size);
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void* xMallocArray(size_t nmemb, size_t size) ATTR_ALLOC_SIZE2(1, 2) ATTR_MALLOC;
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void* xCalloc(size_t nmemb, size_t size);
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void* xCalloc(size_t nmemb, size_t size) ATTR_ALLOC_SIZE2(1, 2) ATTR_MALLOC;
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void* xRealloc(void* ptr, size_t size);
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void* xRealloc(void* ptr, size_t size) ATTR_ALLOC_SIZE1(2);
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void* xReallocArray(void* ptr, size_t nmemb, size_t size);
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void* xReallocArray(void* ptr, size_t nmemb, size_t size) ATTR_ALLOC_SIZE2(2, 3);
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/*
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* String_startsWith gives better performance if strlen(match) can be computed
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@ -47,17 +47,17 @@ static inline bool String_eq(const char* s1, const char* s2) {
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return strcmp(s1, s2) == 0;
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}
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char* String_cat(const char* s1, const char* s2);
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char* String_cat(const char* s1, const char* s2) ATTR_MALLOC;
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char* String_trim(const char* in);
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char* String_trim(const char* in) ATTR_MALLOC;
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char** String_split(const char* s, char sep, size_t* n);
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void String_freeArray(char** s);
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char* String_getToken(const char* line, unsigned short int numMatch);
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char* String_getToken(const char* line, unsigned short int numMatch) ATTR_MALLOC;
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char* String_readLine(FILE* fd);
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char* String_readLine(FILE* fd) ATTR_MALLOC;
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/* Always null-terminates dest. Caller must pass a strictly positive size. */
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size_t String_safeStrncpy(char *restrict dest, const char *restrict src, size_t size);
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@ -68,10 +68,10 @@ int xAsprintf(char** strp, const char* fmt, ...);
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ATTR_FORMAT(printf, 3, 4)
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int xSnprintf(char* buf, size_t len, const char* fmt, ...);
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char* xStrdup(const char* str) ATTR_NONNULL;
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char* xStrdup(const char* str) ATTR_NONNULL ATTR_MALLOC;
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void free_and_xStrdup(char** ptr, const char* str);
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char* xStrndup(const char* str, size_t len) ATTR_NONNULL;
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char* xStrndup(const char* str, size_t len) ATTR_NONNULL ATTR_MALLOC;
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ssize_t xReadfile(const char* pathname, void* buffer, size_t count);
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ssize_t xReadfileat(openat_arg_t dirfd, const char* pathname, void* buffer, size_t count);
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