diff options
Diffstat (limited to 'src/stdbuf.c')
| -rw-r--r-- | src/stdbuf.c | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/src/stdbuf.c b/src/stdbuf.c index afb7821f7..05a6b9fe8 100644 --- a/src/stdbuf.c +++ b/src/stdbuf.c @@ -24,8 +24,10 @@ #include "system.h" #include "error.h" +#include "filenamecat.h" #include "posixver.h" #include "quote.h" +#include "xreadlink.h" #include "xstrtol.h" #include "c-ctype.h" @@ -145,34 +147,26 @@ set_program_path (const char *arg) } else { - char *path; - char tmppath[PATH_MAX + 1]; - ssize_t len = readlink ("/proc/self/exe", tmppath, sizeof (tmppath) - 1); - if (len > 0) - { - tmppath[len] = '\0'; - program_path = dir_name (tmppath); - } + char *path = xreadlink ("/proc/self/exe"); + if (path) + program_path = dir_name (path); else if ((path = getenv ("PATH"))) { char *dir; path = xstrdup (path); for (dir = strtok (path, ":"); dir != NULL; dir = strtok (NULL, ":")) { - int req = snprintf (tmppath, sizeof (tmppath), "%s/%s", dir, arg); - if (req >= sizeof (tmppath)) - { - error (0, 0, _("path truncated when looking for %s"), - quote (arg)); - } - else if (access (tmppath, X_OK) == 0) + char *candidate = file_name_concat (dir, arg, NULL); + if (access (candidate, X_OK) == 0) { - program_path = dir_name (tmppath); + program_path = dir_name (candidate); + free (candidate); break; } + free (candidate); } - free (path); } + free (path); } } |