diff options
Diffstat (limited to 'tools/perf/util/env.c')
| -rw-r--r-- | tools/perf/util/env.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c index 0b3e1b2e5263..ca1e33a2203e 100644 --- a/tools/perf/util/env.c +++ b/tools/perf/util/env.c @@ -1,6 +1,8 @@ #include "env.h" #include "util.h" +struct perf_env perf_env; + void perf_env__exit(struct perf_env *env) { zfree(&env->hostname); @@ -17,3 +19,40 @@ void perf_env__exit(struct perf_env *env) zfree(&env->pmu_mappings); zfree(&env->cpu); } + +int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]) +{ + int i; + + /* + * If env->cmdline_argv has already been set, do not override it. This allows + * a command to set the cmdline, parse args and then call another + * builtin function that implements a command -- e.g, cmd_kvm calling + * cmd_record. + */ + if (env->cmdline_argv != NULL) + return 0; + + /* do not include NULL termination */ + env->cmdline_argv = calloc(argc, sizeof(char *)); + if (env->cmdline_argv == NULL) + goto out_enomem; + + /* + * Must copy argv contents because it gets moved around during option + * parsing: + */ + for (i = 0; i < argc ; i++) { + env->cmdline_argv[i] = argv[i]; + if (env->cmdline_argv[i] == NULL) + goto out_free; + } + + env->nr_cmdline = argc; + + return 0; +out_free: + zfree(&env->cmdline_argv); +out_enomem: + return -ENOMEM; +} |