diff options
Diffstat (limited to 'common.c')
| -rw-r--r-- | common.c | 28 |
1 files changed, 27 insertions, 1 deletions
@@ -1,6 +1,6 @@ /* * dhcpcd - DHCP client daemon - * Copyright (c) 2006-2009 Roy Marples <roy@marples.name> + * Copyright (c) 2006-2012 Roy Marples <roy@marples.name> * All rights reserved * Redistribution and use in source and binary forms, with or without @@ -200,6 +200,32 @@ get_monotonic(struct timeval *tp) return gettimeofday(tp, NULL); } +ssize_t +setvar(char ***e, const char *prefix, const char *var, const char *value) +{ + size_t len = strlen(var) + strlen(value) + 3; + + if (prefix) + len += strlen(prefix) + 1; + **e = xmalloc(len); + if (prefix) + snprintf(**e, len, "%s_%s=%s", prefix, var, value); + else + snprintf(**e, len, "%s=%s", var, value); + (*e)++; + return len; +} + +ssize_t +setvard(char ***e, const char *prefix, const char *var, int value) +{ + char buffer[32]; + + snprintf(buffer, sizeof(buffer), "%d", value); + return setvar(e, prefix, var, buffer); +} + + time_t uptime(void) { |