diff options
Diffstat (limited to 'toys/other/printenv.c')
| -rw-r--r-- | toys/other/printenv.c | 55 |
1 files changed, 26 insertions, 29 deletions
diff --git a/toys/other/printenv.c b/toys/other/printenv.c index d5177468..e8bcf29b 100644 --- a/toys/other/printenv.c +++ b/toys/other/printenv.c @@ -1,20 +1,18 @@ -/* vi: set sw=4 ts=4: - * - * printenv.c - Print environment variables. +/* printenv.c - Print environment variables. * * Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org> USE_PRINTENV(NEWTOY(printenv, "0(null)", TOYFLAG_USR|TOYFLAG_BIN)) config PRINTENV - bool "printenv" - default y - help - usage: printenv [-0] [env_var...] + bool "printenv" + default y + help + usage: printenv [-0] [env_var...] - Print environment variables. + Print environment variables. - -0 Use \0 as delimiter instead of \n + -0 Use \0 as delimiter instead of \n */ #include "toys.h" @@ -23,24 +21,23 @@ extern char **environ; void printenv_main(void) { - char **env, **var = toys.optargs; - char delim = '\n'; - - if (toys.optflags) delim = 0; - - do { - int catch = 0, len = *var ? strlen(*var) : 0; - - for (env = environ; *env; env++) { - char *out = *env; - if (*var) { - if (!strncmp(out, *var, len) && out[len] == '=') - out += len +1; - else continue; - } - xprintf("%s%c", out, delim); - catch++; - } - if (*var && !catch) toys.exitval = 1; - } while (*var && *(++var)); + char **env, **var = toys.optargs; + char delim = '\n'; + + if (toys.optflags) delim = 0; + + do { + int catch = 0, len = *var ? strlen(*var) : 0; + + for (env = environ; *env; env++) { + char *out = *env; + if (*var) { + if (!strncmp(out, *var, len) && out[len] == '=') out += len +1; + else continue; + } + xprintf("%s%c", out, delim); + catch++; + } + if (*var && !catch) toys.exitval = 1; + } while (*var && *(++var)); } |