lib/bpf/libbpf.c

2452 static int pathname_concat(char *buf, size_t buf_sz, const char *path, const char *name)
2456 	len = snprintf(buf, buf_sz, "%s/%s", path, name);
2459 	if (len >= buf_sz)
7360 static void fixup_verifier_log(struct bpf_program *prog, char *buf, size_t buf_sz);
7560 static void patch_log(char *buf, size_t buf_sz, size_t log_sz,
7577 		 * buf_sz capacity. If that's the case, we'll truncate the end
7581 			if (orig + patch_sz >= buf + buf_sz) {
7583 				patch_sz -= (orig + patch_sz) - (buf + buf_sz) + 1;
7585 			} else if (patch_sz - orig_sz > buf_sz - log_sz) {
7587 				rem_sz -= (patch_sz - orig_sz) - (buf_sz - log_sz);
7598 				       char *buf, size_t buf_sz, size_t log_sz,
7633 	patch_log(buf, buf_sz, log_sz, line1, line3 - line1, patch);
7637 				       char *buf, size_t buf_sz, size_t log_sz,
7666 	patch_log(buf, buf_sz, log_sz, line1, line3 - line1, patch);
7670 					 char *buf, size_t buf_sz, size_t log_sz,
7699 	patch_log(buf, buf_sz, log_sz, line1, line3 - line1, patch);
7702 static void fixup_verifier_log(struct bpf_program *prog, char *buf, size_t buf_sz)
7727 			fixup_log_failed_core_relo(prog, buf, buf_sz, log_sz,
7736 			fixup_log_missing_map_load(prog, buf, buf_sz, log_sz,
7745 			fixup_log_missing_kfunc_call(prog, buf, buf_sz, log_sz,
10957 static void gen_kprobe_legacy_event_name(char *buf, size_t buf_sz,
10963 	snprintf(buf, buf_sz, "libbpf_%u_%s_0x%zx_%d", getpid(), kfunc_name, offset,
11662 static void gen_uprobe_legacy_event_name(char *buf, size_t buf_sz,
11667 	snprintf(buf, buf_sz, "libbpf_%u_%s_0x%zx", getpid(), binary_path, (size_t)offset);