diff options
| -rw-r--r-- | gcc/protoize.c | 119 |
1 files changed, 49 insertions, 70 deletions
diff --git a/gcc/protoize.c b/gcc/protoize.c index 9728bf2718f..d313398eb9e 100644 --- a/gcc/protoize.c +++ b/gcc/protoize.c @@ -1,5 +1,5 @@ /* Protoize program - Original version by Ron Guilmette (rfg@segfault.us.com). - Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. + Copyright (C) 1989, 92-95, 1996 Free Software Foundation, Inc. This file is part of GNU CC. @@ -74,6 +74,8 @@ Boston, MA 02111-1307, USA. */ #endif #include <setjmp.h> +#include "gansidecl.h" + /* Include getopt.h for the sake of getopt_long. We don't need the declaration of getopt, and it could conflict with something from a system header file, so effectively nullify that. */ @@ -107,7 +109,6 @@ extern char *version_string; #define my_access(file,flag) access((char *)file, flag) #define my_stat(file,pkt) stat((char *)file, pkt) -#define my_execvp(prog,argv) execvp((char *)prog, (char **)argv) #define my_link(file1, file2) link((char *)file1, (char *)file2) #define my_unlink(file) unlink((char *)file) #define my_open(file, mode, flag) open((char *)file, mode, flag) @@ -115,6 +116,16 @@ extern char *version_string; extern char *getpwd (); +extern char *choose_temp_base PROTO ((void)); + +extern int pexecute PROTO ((const char *, char * const *, const char *, + const char *, char **, char **, int)); +extern int pwait PROTO ((int, int *, int)); +/* Flag arguments to pexecute. */ +#define PEXECUTE_FIRST 1 +#define PEXECUTE_LAST 2 +#define PEXECUTE_SEARCH 4 + /* Aliases for pointers to void. These were made to facilitate compilation with old brain-dead DEC C compilers which didn't properly grok `void*' types. */ @@ -192,7 +203,6 @@ extern int fputc (); extern int link (); extern int unlink (); extern int access (); -extern int execvp (); #if 0 /* size_t from sys/types.h may fail to match GCC. If so, we would get a warning from this. */ @@ -867,7 +877,7 @@ usage () fprintf (stderr, "%s: usage '%s [ -VqfnkN ] [ -i <istring> ] [ filename ... ]'\n", pname, pname); #else /* !defined (UNPROTOIZE) */ - fprintf (stderr, "%s: usage '%s [ -VqfnkNlgC ] [ -B <diname> ] [ filename ... ]'\n", + fprintf (stderr, "%s: usage '%s [ -VqfnkNlgC ] [ -B <dirname> ] [ filename ... ]'\n", pname, pname); #endif /* !defined (UNPROTOIZE) */ exit (1); @@ -2085,14 +2095,14 @@ munge_compile_params (params_list) } /* Do a recompilation for the express purpose of generating a new aux_info - file to go with a specific base source file. */ + file to go with a specific base source file. + + The result is a boolean indicating success. */ static int gen_aux_info_file (base_filename) const char *base_filename; { - int child_pid; - if (!input_file_name_index) munge_compile_params (""); @@ -2109,79 +2119,48 @@ gen_aux_info_file (base_filename) fprintf (stderr, "%s: compiling `%s'\n", pname, compile_params[input_file_name_index]); - if (child_pid = fork ()) - { - if (child_pid == -1) - { - fprintf (stderr, "%s: could not fork process: %s\n", - pname, my_strerror(errno)); - return 0; - } + { + char *errmsg_fmt, *errmsg_arg; + int wait_status, pid; + char *temp_base = choose_temp_base (); -#if 0 - /* Print out the command line that the other process is now executing. */ - - if (!quiet_flag) - { - const char **arg; - - fputs ("\t", stderr); - for (arg = compile_params; *arg; arg++) - { - fputs (*arg, stderr); - fputc (' ', stderr); - } - fputc ('\n', stderr); - fflush (stderr); - } -#endif /* 0 */ + pid = pexecute (compile_params[0], (char * const *) compile_params, + pname, temp_base, &errmsg_fmt, &errmsg_arg, + PEXECUTE_FIRST | PEXECUTE_LAST | PEXECUTE_SEARCH); + if (pid == -1) { - int wait_status; + int errno_val = errno; + fprintf (stderr, "%s: ", pname); + fprintf (stderr, errmsg_fmt, errmsg_arg); + fprintf (stderr, ": %s\n", my_strerror (errno_val)); + return 0; + } - if (wait (&wait_status) == -1) - { - fprintf (stderr, "%s: wait failed: %s\n", - pname, my_strerror(errno)); - return 0; - } - if (WIFSIGNALED (wait_status)) - { - fprintf (stderr, "%s: subprocess got fatal signal %d", - pname, WTERMSIG (wait_status)); - return 0; - } - if (WIFEXITED (wait_status) && WEXITSTATUS (wait_status) != 0) + pid = pwait (pid, &wait_status, 0); + if (pid == -1) + { + fprintf (stderr, "%s: wait: %s\n", pname, my_strerror (errno)); + return 0; + } + if (WIFSIGNALED (wait_status)) + { + fprintf (stderr, "%s: subprocess got fatal signal %d\n", + pname, WTERMSIG (wait_status)); + return 0; + } + if (WIFEXITED (wait_status)) + { + if (WEXITSTATUS (wait_status) != 0) { fprintf (stderr, "%s: %s exited with status %d\n", - pname, base_filename, WEXITSTATUS (wait_status)); + pname, compile_params[0], WEXITSTATUS (wait_status)); return 0; } return 1; } - } - else - { - if (my_execvp (compile_params[0], (char *const *) compile_params)) - { - int e = errno, f = fileno (stderr); - write (f, pname, strlen (pname)); - write (f, ": ", 2); - write (f, compile_params[0], strlen (compile_params[0])); - write (f, ": ", 2); -#ifdef HAVE_STRERROR - { - char *p = strerror(e); - write (f, p, strlen (p)); - } -#else - write (f, sys_errlist[e], strlen (sys_errlist[e])); -#endif - write (f, "\n", 1); - _exit (1); - } - return 1; /* Never executed. */ - } + abort (); + } } /* Read in all of the information contained in a single aux_info file. |
