diff options
| author | Mattia Dongili <malattia@linux.it> | 2006-05-01 12:16:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-05-01 18:17:45 -0700 |
| commit | cb98cdcd0dd892dcaec7dabd57c3b00890006b61 (patch) | |
| tree | 35498e769997902fae095acba6ad077c315b79a8 /arch | |
| parent | b15fb6b157b83ce983e42130ab7d1a866020d8f5 (diff) | |
[PATCH] uml: search from uml_net in a more reasonable PATH
Append /usr/lib/uml to the existing PATH environment variable to let execvp()
search uml_net in FHS compliant locations.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/um/os-Linux/main.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c index 2878e89a674f..3a0ac38e978b 100644 --- a/arch/um/os-Linux/main.c +++ b/arch/um/os-Linux/main.c @@ -74,6 +74,34 @@ static void last_ditch_exit(int sig) exit(1); } +#define UML_LIB_PATH ":/usr/lib/uml" + +static void setup_env_path(void) +{ + char *new_path = NULL; + char *old_path = NULL; + int path_len = 0; + + old_path = getenv("PATH"); + /* if no PATH variable is set or it has an empty value + * just use the default + /usr/lib/uml + */ + if (!old_path || (path_len = strlen(old_path)) == 0) { + putenv("PATH=:/bin:/usr/bin/" UML_LIB_PATH); + return; + } + + /* append /usr/lib/uml to the existing path */ + path_len += strlen("PATH=" UML_LIB_PATH) + 1; + new_path = malloc(path_len); + if (!new_path) { + perror("coudn't malloc to set a new PATH"); + return; + } + snprintf(new_path, path_len, "PATH=%s" UML_LIB_PATH, old_path); + putenv(new_path); +} + extern int uml_exitcode; extern void scan_elf_aux( char **envp); @@ -114,6 +142,8 @@ int main(int argc, char **argv, char **envp) set_stklim(); + setup_env_path(); + new_argv = malloc((argc + 1) * sizeof(char *)); if(new_argv == NULL){ perror("Mallocing argv"); |