/* * netsniff-ng - the packet sniffing beast * Copyright 2009, 2010, 2011, 2012 Daniel Borkmann. * Copyright 2014, 2015 Tobias Klauser * Subject to the GPL, version 2. */ #ifndef _GNU_SOURCE # define _GNU_SOURCE #endif #include #include #include #include #include #include #include #include #include "xmalloc.h" #include "built_in.h" #include "die.h" #include "str.h" void *xmalloc(size_t size) { void *ptr; if (unlikely(size == 0)) panic("xmalloc: zero size\n"); ptr = malloc(size); if (unlikely(ptr == NULL)) panic("xmalloc: out of memory (allocating %zu bytes)\n", size); return ptr; } void *xcalloc(size_t nmemb, size_t size) { void *ptr; if (unlikely(nmemb == 0 || size == 0)) panic("xcalloc: zero size\n"); ptr = calloc(nmemb, size); if (unlikely(ptr == NULL)) panic("xcalloc: out of memory (allocating %zu members of " "%zu bytes)\n", nmemb, size); return ptr; } void *xzmalloc(size_t size) { void *ptr = xmalloc(size); memset(ptr, 0, size); return ptr; } void *xmalloc_aligned(size_t size, size_t alignment) { int ret; void *ptr; if (unlikely(size == 0)) panic("xmalloc_aligned: zero size\n"); ret = posix_memalign(&ptr, alignment, size); if (unlikely(ret != 0)) panic("xmalloc_aligned: out of memory (allocating %zu " "bytes)\n", size); return ptr; } void *xzmalloc_aligned(size_t size, size_t alignment) { void *ptr = xmalloc_aligned(size, alignment); memset(ptr, 0, size); return ptr; } void *xmallocz(size_t size) { void *ptr; if (unlikely(size + 1 < size)) panic("xmallocz: data too large to fit into virtual " "memory space\n"); ptr = xmalloc(size + 1); ((char*) ptr)[size] = 0; return ptr; } void *xmemdupz(const void *data, size_t len) { return memcpy(xmallocz(len), data, len); } void *xrealloc(void *ptr, size_t size) { void *new_ptr; if (unlikely(size == 0)) panic("xrealloc: zero size\n"); new_ptr = realloc(ptr, size); if (unlikely(new_ptr == NULL)) panic("xrealloc: out of memory (allocating %zu bytes)\n", size); return new_ptr; } void xfree_func(void *ptr) { if (unlikely(ptr == NULL)) panic("xfree: NULL pointer given as argument\n"); free(ptr); } char *xstrdup(const char *str) { size_t len; char *cp; len = strlen(str) + 1; cp = xmalloc(len); strlcpy(cp, str, len); return cp; } char *xstrndup(const char *str, size_t size) { size_t len; char *cp; len = strlen(str) + 1; if (size < len) len = size; cp = xmalloc(len); strlcpy(cp, str, len); return cp; } en' name='id' value='79078c53baabee12dfefb0cfe00ca94cb2c35570'/>
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-15 11:37:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-15 11:37:43 -0800
commit79078c53baabee12dfefb0cfe00ca94cb2c35570 (patch)
treec8586ca3e125d757756b1b9a020615dcdbb09d0c /include/trace/events/signal.h
parent255e6140fa76ec9d0e24f201427e7e9a9573f681 (diff)
parent18e7a45af91acdde99d3aa1372cc40e1f8142f7b (diff)
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar: "Misc race fixes uncovered by fuzzing efforts, a Sparse fix, two PMU driver fixes, plus miscellanous tooling fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86: Reject non sampling events with precise_ip perf/x86/intel: Account interrupts for PEBS errors perf/core: Fix concurrent sys_perf_event_open() vs. 'move_group' race perf/core: Fix sys_perf_event_open() vs. hotplug perf/x86/intel: Use ULL constant to prevent undefined shift behaviour perf/x86/intel/uncore: Fix hardcoded socket 0 assumption in the Haswell init code perf/x86: Set pmu->module in Intel PMU modules perf probe: Fix to probe on gcc generated symbols for offline kernel perf probe: Fix --funcs to show correct symbols for offline module perf symbols: Robustify reading of build-id from sysfs perf tools: Install tools/lib/traceevent plugins with install-bin tools lib traceevent: Fix prev/next_prio for deadline tasks perf record: Fix --switch-output documentation and comment perf record: Make __record_options static tools lib subcmd: Add OPT_STRING_OPTARG_SET option perf probe: Fix to get correct modname from elf header samples/bpf trace_output_user: Remove duplicate sys/ioctl.h include samples/bpf sock_example: Avoid getting ethhdr from two includes perf sched timehist: Show total scheduling time
Diffstat (limited to 'include/trace/events/signal.h')