diff options
| -rw-r--r-- | src/gallium/auxiliary/os/os_process.c | 48 | ||||
| -rw-r--r-- | src/gallium/auxiliary/os/os_process.h | 4 |
2 files changed, 52 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/os/os_process.c b/src/gallium/auxiliary/os/os_process.c index 332e195ef34..6622b9b2bc0 100644 --- a/src/gallium/auxiliary/os/os_process.c +++ b/src/gallium/auxiliary/os/os_process.c @@ -43,6 +43,10 @@ #warning unexpected platform in os_process.c #endif +#if defined(PIPE_OS_LINUX) +# include <fcntl.h> +#endif + /** * Return the name of the current process. @@ -108,3 +112,47 @@ os_get_process_name(char *procname, size_t size) return FALSE; } } + + +/** + * Return the command line for the calling process. This is basically + * the argv[] array with the arguments separated by spaces. + * \param cmdline returns the command line string + * \param size size of the cmdline buffer + * \return TRUE or FALSE for success, failure + */ +boolean +os_get_command_line(char *cmdline, size_t size) +{ +#if defined(PIPE_SUBSYSTEM_WINDOWS_USER) + const char *args = GetCommandLine(); + if (args) { + strncpy(cmdline, args, size); + // make sure we terminate the string + cmdline[size - 1] = 0; + return TRUE; + } +#elif defined(PIPE_OS_LINUX) + int f = open("/proc/self/cmdline", O_RDONLY); + if (f) { + const int n = read(f, cmdline, size - 1); + int i; + assert(n < size); + // The arguments are separated by '\0' chars. Convert them to spaces. + for (i = 0; i < n; i++) { + if (cmdline[i] == 0) { + cmdline[i] = ' '; + } + } + // terminate the string + cmdline[n] = 0; + close(f); + return TRUE; + } +#endif + + /* XXX to-do: implement this function for other operating systems */ + + cmdline[0] = 0; + return FALSE; +} diff --git a/src/gallium/auxiliary/os/os_process.h b/src/gallium/auxiliary/os/os_process.h index 0d50ddc6add..9c5b31dfcc5 100644 --- a/src/gallium/auxiliary/os/os_process.h +++ b/src/gallium/auxiliary/os/os_process.h @@ -37,4 +37,8 @@ extern boolean os_get_process_name(char *str, size_t size); +extern boolean +os_get_command_line(char *cmdline, size_t size); + + #endif /* OS_PROCESS_H */ |