/* * netsniff-ng - the packet sniffing beast * Copyright 2009, 2010 Daniel Borkmann. * Subject to the GPL, version 2. */ #include #include #include #include #include "str.h" #include "die.h" #include "xmalloc.h" size_t strlcpy(char *dest, const char *src, size_t size) { size_t ret = strlen(src); if (size) { size_t len = (ret >= size) ? size - 1 : ret; memcpy(dest, src, len); dest[len] = '\0'; } return ret; } static inline int vslprintf(char *dst, size_t size, const char *fmt, va_list ap) { int ret; ret = vsnprintf(dst, size, fmt, ap); dst[size - 1] = '\0'; return ret; } int slprintf(char *dst, size_t size, const char *fmt, ...) { int ret; va_list ap; va_start(ap, fmt); ret = vslprintf(dst, size, fmt, ap); va_end(ap); return ret; } int slprintf_nocheck(char *dst, size_t size, const char *fmt, ...) { int ret; va_list ap; va_start(ap, fmt); ret = vslprintf(dst, size, fmt, ap); va_end(ap); return ret; } noinline void *xmemset(void *s, int c, size_t n) { size_t i; uint8_t *ptr = s; for (i = 0; i < n; ++i) ptr[i] = (uint8_t) c; return ptr; } char *strtrim_right(char *p, char c) { char *end; size_t len; len = strlen(p); while (*p && len) { end = p + len - 1; if (c == *end) *end = 0; else break; len = strlen(p); } return p; } char *argv2str(int startind, int argc, char **argv) { off_t offset = 0; char *str = NULL; int ret, i; for (i = startind; i < argc; ++i) { size_t alen = strlen(argv[i]) + 2; size_t slen = str ? strlen(str) : 0; str = xrealloc(str, slen + alen); ret = slprintf(str + offset, strlen(argv[i]) + 2, "%s ", argv[i]); if (ret < 0) panic("Cannot concatenate string!\n"); else offset += ret; } return str; } char **argv_insert(char **argv, size_t *count, const char *str) { argv = xrealloc(argv, (*count + 2) * sizeof(char *)); argv[*count] = str ? xstrdup(str) : xstrdup(""); argv[*count + 1] = NULL; *count += 1; return argv; } void argv_free(char **argv) { char **tmp = argv; for (; argv && *argv; argv++) free(*argv); free(tmp); } int str2mac(const char *str, uint8_t *mac, size_t len) { int i, count; unsigned int tmp[6]; if (!str) return -EINVAL; if (len < 6) return -ENOSPC; count = sscanf(str, "%02X:%02X:%02X:%02X:%02X:%02X", &tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5]); if (errno || count != 6) count = sscanf(str, "%02x:%02x:%02x:%02x:%02x:%02x", &tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5]); if (count != 6) return -EINVAL; if (errno) return -errno; for (i = 0; i < 6; i++) mac[i] = (uint8_t)tmp[i]; return 0; } ion value='committer'>committer

path: root/tools/testing/selftests/sync

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