|
@@ -0,0 +1,654 @@
|
|
|
+/* fcc/fm2/fpc
|
|
|
+ Driver for fast ACK compilers.
|
|
|
+
|
|
|
+ Derived from the C compiler driver from Minix.
|
|
|
+
|
|
|
+ Compile this file with
|
|
|
+ cc -O -I<ACK home directory>/config -DF?? driver.c
|
|
|
+ where F?? is either FCC, FPC, or FM2.
|
|
|
+ Install the resulting binaries in the EM bin directory.
|
|
|
+ Suggested names: afcc, afm2, and afpc.
|
|
|
+*/
|
|
|
+
|
|
|
+#if FM2+FPC+FCC > 1
|
|
|
+Something wrong here! Only one of FM2, FPC, or FCC must be defined
|
|
|
+#endif
|
|
|
+
|
|
|
+#include <errno.h>
|
|
|
+#include <signal.h>
|
|
|
+#include <varargs.h>
|
|
|
+#include <stdio.h>
|
|
|
+#include <em_path.h>
|
|
|
+#define M2DEF "/lib/m2"
|
|
|
+#define FASTDIR EM_DIR
|
|
|
+
|
|
|
+#define BINDIR "/lib.bin/"
|
|
|
+#define CCINCL "/include/tail_ac"
|
|
|
+char *ROOT_DIR = FASTDIR;
|
|
|
+
|
|
|
+/*
|
|
|
+ Version producing ACK .o files in one pass.
|
|
|
+*/
|
|
|
+#define MAXARGC 256 /* maximum number of arguments allowed in a list */
|
|
|
+#define USTR_SIZE 128 /* maximum length of string variable */
|
|
|
+
|
|
|
+typedef char USTRING[USTR_SIZE];
|
|
|
+
|
|
|
+USTRING INCLUDE = "-I";
|
|
|
+
|
|
|
+struct arglist {
|
|
|
+ int al_argc;
|
|
|
+ char *al_argv[MAXARGC];
|
|
|
+};
|
|
|
+
|
|
|
+#define CPP "*cpp"
|
|
|
+#define LD "*../bin/ack"
|
|
|
+#define SHELL "/bin/sh"
|
|
|
+
|
|
|
+int kids = -1;
|
|
|
+int ecount = 0;
|
|
|
+
|
|
|
+struct arglist CPP_FLAGS = {
|
|
|
+ 7,
|
|
|
+ {
|
|
|
+ "-D__unix",
|
|
|
+ "-D_EM_WSIZE=4",
|
|
|
+ "-D_EM_PSIZE=4",
|
|
|
+ "-D_EM_SSIZE=2",
|
|
|
+ "-D_EM_LSIZE=4",
|
|
|
+ "-D_EM_FSIZE=4",
|
|
|
+ "-D_EM_DSIZE=8",
|
|
|
+ }
|
|
|
+};
|
|
|
+
|
|
|
+struct arglist COMP_FLAGS;
|
|
|
+
|
|
|
+char *o_FILE = "a.out"; /* default name for executable file */
|
|
|
+
|
|
|
+#define remove(str) ((noexec || unlink(str)), (str)[0] = '\0')
|
|
|
+#define cleanup(str) (str && str[0] && remove(str))
|
|
|
+#define init(al) ((al)->al_argc = 1)
|
|
|
+
|
|
|
+char ProgCall[128];
|
|
|
+
|
|
|
+struct arglist SRCFILES;
|
|
|
+struct arglist LDFILES;
|
|
|
+struct arglist GEN_LDFILES;
|
|
|
+
|
|
|
+int RET_CODE = 0;
|
|
|
+
|
|
|
+struct arglist LD_FLAGS;
|
|
|
+
|
|
|
+struct arglist CALL_VEC;
|
|
|
+
|
|
|
+int o_flag = 0;
|
|
|
+int c_flag = 0;
|
|
|
+int v_flag = 0;
|
|
|
+int O_flag = 0;
|
|
|
+
|
|
|
+char *mkstr();
|
|
|
+char *malloc();
|
|
|
+char *alloc();
|
|
|
+char *extension();
|
|
|
+
|
|
|
+USTRING ofile;
|
|
|
+USTRING BASE;
|
|
|
+USTRING tmp_file;
|
|
|
+
|
|
|
+int noexec = 0;
|
|
|
+
|
|
|
+extern char *strcat(), *strcpy(), *mktemp(), *strchr();
|
|
|
+
|
|
|
+trapcc(sig)
|
|
|
+ int sig;
|
|
|
+{
|
|
|
+ signal(sig, SIG_IGN);
|
|
|
+ if (kids != -1) kill(kids, sig);
|
|
|
+ cleanup(ofile);
|
|
|
+ cleanup(tmp_file);
|
|
|
+ exit(1);
|
|
|
+}
|
|
|
+
|
|
|
+#ifdef FCC
|
|
|
+#define lang_suffix() "c"
|
|
|
+#define comp_name() "*c_ce"
|
|
|
+#endif FCC
|
|
|
+
|
|
|
+#ifdef FM2
|
|
|
+#define lang_suffix() "mod"
|
|
|
+#define comp_name() "*m2_ce"
|
|
|
+#endif FM2
|
|
|
+
|
|
|
+#ifdef FPC
|
|
|
+#define lang_suffix() "p"
|
|
|
+#define comp_name() "*pc_ce"
|
|
|
+#endif FPC
|
|
|
+
|
|
|
+
|
|
|
+#ifdef FCC
|
|
|
+int
|
|
|
+lang_opt(str)
|
|
|
+ char *str;
|
|
|
+{
|
|
|
+ switch(str[1]) {
|
|
|
+ case '-': /* debug options */
|
|
|
+ case 'w': /* disable warnings */
|
|
|
+ if (str[2]) {
|
|
|
+ char buf[3];
|
|
|
+
|
|
|
+ buf[2] = '\0';
|
|
|
+ buf[0] = '-';
|
|
|
+ buf[1] = str[2];
|
|
|
+ append(&COMP_FLAGS, buf);
|
|
|
+ }
|
|
|
+ else append(&COMP_FLAGS, "-a");
|
|
|
+ return 1;
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+#endif FCC
|
|
|
+
|
|
|
+#ifdef FM2
|
|
|
+int
|
|
|
+lang_opt(str)
|
|
|
+ char *str;
|
|
|
+{
|
|
|
+ switch(str[1]) {
|
|
|
+ case '-': /* debug options */
|
|
|
+ case 'w': /* disable warnings */
|
|
|
+ case 'R': /* no runtime checks */
|
|
|
+ case 'W': /* add warnings */
|
|
|
+ case 'L': /* no line numbers */
|
|
|
+ case 'A': /* extra array bound checks */
|
|
|
+ case '3': /* only accept 3rd edition Modula-2 */
|
|
|
+ append(&COMP_FLAGS, str);
|
|
|
+ return 1;
|
|
|
+ case 'I':
|
|
|
+ append(&COMP_FLAGS, str);
|
|
|
+ break; /* !!! */
|
|
|
+ case 'U': /* underscores in identifiers allowed */
|
|
|
+ if (str[2] == '\0') {
|
|
|
+ append(&COMP_FLAGS, str);
|
|
|
+ return 1;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case 'e': /* local extension for Modula-2 compiler:
|
|
|
+ procedure constants
|
|
|
+ */
|
|
|
+ str[1] = 'l';
|
|
|
+ append(&COMP_FLAGS, str);
|
|
|
+ return 1;
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+#endif FM2
|
|
|
+
|
|
|
+#ifdef FPC
|
|
|
+int
|
|
|
+lang_opt(str)
|
|
|
+ char *str;
|
|
|
+{
|
|
|
+ switch(str[1]) {
|
|
|
+ case '-': /* debug options */
|
|
|
+ case 'a': /* enable assertions */
|
|
|
+ case 'd': /* allow doubles (longs) */
|
|
|
+ case 'i': /* set size of integer sets */
|
|
|
+ case 't': /* tracing */
|
|
|
+ case 'w': /* disable warnings */
|
|
|
+ case 'A': /* extra array bound checks */
|
|
|
+ case 'C': /* distinguish between lower case and upper case */
|
|
|
+ case 'L': /* no FIL and LIN instructions */
|
|
|
+ case 'R': /* no runtime checks */
|
|
|
+ append(&COMP_FLAGS, str);
|
|
|
+ return 1;
|
|
|
+ case 'u':
|
|
|
+ case 'U':
|
|
|
+ /* underscores in identifiers */
|
|
|
+ case 's':
|
|
|
+ /* only compile standard pascal */
|
|
|
+ case 'c':
|
|
|
+ /* C type strings */
|
|
|
+ if (str[2] == '+' && str[3] == '\0') {
|
|
|
+ str[2] = 0;
|
|
|
+ append(&COMP_FLAGS, str);
|
|
|
+ return 1;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+#endif FPC
|
|
|
+
|
|
|
+main(argc, argv)
|
|
|
+ char *argv[];
|
|
|
+{
|
|
|
+ char *str;
|
|
|
+ char **argvec;
|
|
|
+ int count;
|
|
|
+ char *ext;
|
|
|
+ register struct arglist *call = &CALL_VEC;
|
|
|
+ char *file;
|
|
|
+ char *ldfile = 0;
|
|
|
+ USTRING COMP;
|
|
|
+ int compile_cnt = 0;
|
|
|
+
|
|
|
+ setbuf(stdout, (char *) 0);
|
|
|
+ basename(*argv++,ProgCall);
|
|
|
+ strcat(INCLUDE, ROOT_DIR);
|
|
|
+#ifdef FM2
|
|
|
+ strcat(INCLUDE, M2DEF);
|
|
|
+#endif FM2
|
|
|
+#ifdef FCC
|
|
|
+ strcat(INCLUDE, CCINCL);
|
|
|
+#endif FCC
|
|
|
+#ifdef FPC
|
|
|
+ INCLUDE[0] = '\0';
|
|
|
+#endif FPC
|
|
|
+ strcpy(COMP,comp_name());
|
|
|
+
|
|
|
+#ifdef vax4
|
|
|
+ append(CPP_FLAGS, "-D__vax");
|
|
|
+#endif
|
|
|
+#ifdef sun3
|
|
|
+ append(CPP_FLAGS, "-D__sun");
|
|
|
+#endif
|
|
|
+#ifdef m68020
|
|
|
+ append(CPP_FLAGS, "-D__mc68020");
|
|
|
+ append(CPP_FLAGS, "-D__mc68000");
|
|
|
+#endif
|
|
|
+
|
|
|
+ if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
|
|
|
+ signal(SIGHUP, trapcc);
|
|
|
+ if (signal(SIGINT, SIG_IGN) != SIG_IGN)
|
|
|
+ signal(SIGINT, trapcc);
|
|
|
+ if (signal(SIGQUIT, SIG_IGN) != SIG_IGN)
|
|
|
+ signal(SIGQUIT, trapcc);
|
|
|
+ while (--argc > 0) {
|
|
|
+ if (*(str = *argv++) != '-') {
|
|
|
+ append(&SRCFILES, str);
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (lang_opt(str)) {
|
|
|
+ }
|
|
|
+ else switch (str[1]) {
|
|
|
+
|
|
|
+ case 'c': /* stop after producing .o files */
|
|
|
+ c_flag = 1;
|
|
|
+ break;
|
|
|
+ case 'D': /* preprocessor #define */
|
|
|
+ case 'U': /* preprocessor #undef */
|
|
|
+ append(&CPP_FLAGS, str);
|
|
|
+ break;
|
|
|
+ case 'I': /* include directory */
|
|
|
+ append(&CPP_FLAGS, str);
|
|
|
+ break;
|
|
|
+ case 'o': /* target file */
|
|
|
+ if (argc-- >= 0) {
|
|
|
+ o_flag = 1;
|
|
|
+ o_FILE = *argv++;
|
|
|
+ ext = extension(o_FILE);
|
|
|
+ if (ext != o_FILE && ! strcmp(ext, lang_suffix())
|
|
|
+ ) {
|
|
|
+ error("-o would overwrite %s", o_FILE);
|
|
|
+ }
|
|
|
+ append(&LD_FLAGS, "-o");
|
|
|
+ append(&LD_FLAGS, o_FILE);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case 'O': /* use built in peephole optimizer */
|
|
|
+ O_flag = 1;
|
|
|
+ break;
|
|
|
+ case 'v': /* verbose */
|
|
|
+ v_flag++;
|
|
|
+ if (str[2] == 'n')
|
|
|
+ noexec = 1;
|
|
|
+ break;
|
|
|
+ case 'l': /* library file */
|
|
|
+ append(&SRCFILES, str);
|
|
|
+ break;
|
|
|
+ case 'M': /* use other compiler (for testing) */
|
|
|
+ strcpy(COMP, str+2);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ append(&LD_FLAGS, str);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (ecount) exit(1);
|
|
|
+
|
|
|
+ count = SRCFILES.al_argc;
|
|
|
+ argvec = &(SRCFILES.al_argv[0]);
|
|
|
+ while (count-- > 0) {
|
|
|
+ ext = extension(*argvec);
|
|
|
+ if (*argvec[0] != '-' &&
|
|
|
+ ext != *argvec++ && (! strcmp(ext, lang_suffix())
|
|
|
+ )) {
|
|
|
+ compile_cnt++;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (compile_cnt > 1 && c_flag && o_flag) {
|
|
|
+ warning("-o flag ignored");
|
|
|
+ o_flag = 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ count = SRCFILES.al_argc;
|
|
|
+ argvec = &(SRCFILES.al_argv[0]);
|
|
|
+ while (count-- > 0) {
|
|
|
+ register char *f;
|
|
|
+ basename(file = *argvec++, BASE);
|
|
|
+
|
|
|
+ ext = extension(file);
|
|
|
+
|
|
|
+ if (file[0] != '-' &&
|
|
|
+ ext != file && (!strcmp(ext, lang_suffix())
|
|
|
+ )) {
|
|
|
+ if (compile_cnt > 1) printf("%s\n", file);
|
|
|
+
|
|
|
+ ldfile = c_flag ? ofile : alloc((unsigned)strlen(BASE)+3);
|
|
|
+ if (
|
|
|
+#ifdef FCC
|
|
|
+ !strcmp(ext, "s") &&
|
|
|
+#endif
|
|
|
+ needsprep(file)) {
|
|
|
+ strcpy(tmp_file, TMP_DIR);
|
|
|
+ strcat(tmp_file, "/F_XXXXXX");
|
|
|
+ mktemp(tmp_file);
|
|
|
+ init(call);
|
|
|
+ append(call, CPP);
|
|
|
+ concat(call, &CPP_FLAGS);
|
|
|
+ append(call, INCLUDE);
|
|
|
+ append(call, file);
|
|
|
+ if (runvec(call, tmp_file)) {
|
|
|
+ file = tmp_file;
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ remove(tmp_file);
|
|
|
+ tmp_file[0] = '\0';
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ init(call);
|
|
|
+ if (o_flag && c_flag) {
|
|
|
+ f = o_FILE;
|
|
|
+ }
|
|
|
+ else f = mkstr(ldfile, BASE, ".o", (char *)0);
|
|
|
+ append(call, COMP);
|
|
|
+#ifdef FCC
|
|
|
+ concat(call, &CPP_FLAGS);
|
|
|
+#endif
|
|
|
+ concat(call, &COMP_FLAGS);
|
|
|
+#if FM2 || FCC
|
|
|
+ append(call, INCLUDE);
|
|
|
+#endif
|
|
|
+ append(call, file);
|
|
|
+ append(call, f);
|
|
|
+ if (runvec(call, (char *) 0)) {
|
|
|
+ file = f;
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ remove(f);
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ cleanup(tmp_file);
|
|
|
+ tmp_file[0] = '\0';
|
|
|
+ }
|
|
|
+
|
|
|
+ else if (file[0] != '-' &&
|
|
|
+ strcmp(ext, "o") && strcmp(ext, "a")) {
|
|
|
+ warning("file with unknown suffix (%s) passed to the loader", ext);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (c_flag)
|
|
|
+ continue;
|
|
|
+
|
|
|
+ append(&LDFILES, file);
|
|
|
+ if (ldfile) {
|
|
|
+ append(&GEN_LDFILES, ldfile);
|
|
|
+ ldfile = 0;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* *.s to a.out */
|
|
|
+ if (RET_CODE == 0 && LDFILES.al_argc > 0) {
|
|
|
+ init(call);
|
|
|
+ append(call, LD);
|
|
|
+#ifdef FCC
|
|
|
+ append(call, "-.c");
|
|
|
+ append(call, "-ansi");
|
|
|
+#endif
|
|
|
+#ifdef FM2
|
|
|
+ append(call, "-.mod");
|
|
|
+#endif
|
|
|
+#ifdef FPC
|
|
|
+ append(call, "-.p");
|
|
|
+#endif
|
|
|
+ concat(call, &LD_FLAGS);
|
|
|
+ concat(call, &LDFILES);
|
|
|
+ if (runvec(call, (char *) 0) && GEN_LDFILES.al_argc == 1)
|
|
|
+ ;
|
|
|
+ cleanup(tmp_file);
|
|
|
+ }
|
|
|
+ exit(RET_CODE);
|
|
|
+}
|
|
|
+
|
|
|
+needsprep(name)
|
|
|
+ char *name;
|
|
|
+{
|
|
|
+ int file;
|
|
|
+ char fc;
|
|
|
+
|
|
|
+ file = open(name,0);
|
|
|
+ if (file < 0) return 0;
|
|
|
+ if (read(file, &fc, 1) != 1) fc = 0;
|
|
|
+ close(file);
|
|
|
+ return fc == '#';
|
|
|
+}
|
|
|
+
|
|
|
+char *
|
|
|
+alloc(u)
|
|
|
+ unsigned u;
|
|
|
+{
|
|
|
+ char *p = malloc(u);
|
|
|
+
|
|
|
+ if (p == 0)
|
|
|
+ panic("no space");
|
|
|
+ return p;
|
|
|
+}
|
|
|
+
|
|
|
+append(al, arg)
|
|
|
+ struct arglist *al;
|
|
|
+ char *arg;
|
|
|
+{
|
|
|
+ if (!arg || !*arg) return;
|
|
|
+ if (al->al_argc >= MAXARGC)
|
|
|
+ panic("argument list overflow");
|
|
|
+ if (*arg == '*') {
|
|
|
+ char *p;
|
|
|
+ p = alloc((unsigned)strlen(ROOT_DIR)+strlen(BINDIR)+strlen(arg+1)+1);
|
|
|
+ strcpy(p, ROOT_DIR);
|
|
|
+ strcat(p, BINDIR);
|
|
|
+ strcat(p, arg+1);
|
|
|
+ arg = p;
|
|
|
+ }
|
|
|
+ al->al_argv[(al->al_argc)++] = arg;
|
|
|
+}
|
|
|
+
|
|
|
+concat(al1, al2)
|
|
|
+ struct arglist *al1, *al2;
|
|
|
+{
|
|
|
+ register i = al2->al_argc;
|
|
|
+ register char **p = &(al1->al_argv[al1->al_argc]);
|
|
|
+ register char **q = &(al2->al_argv[0]);
|
|
|
+
|
|
|
+ if ((al1->al_argc += i) >= MAXARGC)
|
|
|
+ panic("argument list overflow");
|
|
|
+ while (i-- > 0) {
|
|
|
+ if (**q == '*') {
|
|
|
+ *p = alloc((unsigned)strlen(ROOT_DIR)+strlen(BINDIR)+strlen(*q+1)+2);
|
|
|
+ strcpy(*p, ROOT_DIR);
|
|
|
+ strcat(*p, BINDIR);
|
|
|
+ strcat(*p++, *q+1);
|
|
|
+ q++;
|
|
|
+ }
|
|
|
+ else *p++ = *q++;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/*VARARGS*/
|
|
|
+char *
|
|
|
+mkstr(va_alist)
|
|
|
+ va_dcl
|
|
|
+{
|
|
|
+ va_list ap;
|
|
|
+ char *dst;
|
|
|
+
|
|
|
+ va_start(ap);
|
|
|
+ {
|
|
|
+ register char *p;
|
|
|
+ register char *q;
|
|
|
+
|
|
|
+ dst = q = va_arg(ap, char *);
|
|
|
+ p = va_arg(ap, char *);
|
|
|
+
|
|
|
+ while (p) {
|
|
|
+ while (*q++ = *p++);
|
|
|
+ q--;
|
|
|
+ p = va_arg(ap, char *);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ va_end(ap);
|
|
|
+
|
|
|
+ return dst;
|
|
|
+}
|
|
|
+
|
|
|
+basename(str, dst)
|
|
|
+ char *str;
|
|
|
+ register char *dst;
|
|
|
+{
|
|
|
+ register char *p1 = str;
|
|
|
+ register char *p2 = p1;
|
|
|
+
|
|
|
+ while (*p1)
|
|
|
+ if (*p1++ == '/')
|
|
|
+ p2 = p1;
|
|
|
+ p1--;
|
|
|
+ while (*p1 != '.' && p1 >= p2) p1--;
|
|
|
+ if (p1 >= p2) {
|
|
|
+ *p1 = '\0';
|
|
|
+ while (*dst++ = *p2++);
|
|
|
+ *p1 = '.';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ while (*dst++ = *p2++);
|
|
|
+}
|
|
|
+
|
|
|
+char *
|
|
|
+extension(fn)
|
|
|
+ char *fn;
|
|
|
+{
|
|
|
+ register char *c = fn;
|
|
|
+
|
|
|
+ while (*c++) ;
|
|
|
+ while (*--c != '.' && c >= fn) { }
|
|
|
+ if (c++ < fn || !*c) return fn;
|
|
|
+ return c;
|
|
|
+}
|
|
|
+
|
|
|
+runvec(vec, outp)
|
|
|
+ struct arglist *vec;
|
|
|
+ char *outp;
|
|
|
+{
|
|
|
+ int pid, status;
|
|
|
+
|
|
|
+ if (v_flag) {
|
|
|
+ pr_vec(vec);
|
|
|
+ putc('\n', stderr);
|
|
|
+ }
|
|
|
+ if ((pid = fork()) == 0) { /* start up the process */
|
|
|
+ if (outp) { /* redirect standard output */
|
|
|
+ close(1);
|
|
|
+ if (creat(outp, 0666) != 1)
|
|
|
+ panic("cannot create output file");
|
|
|
+ }
|
|
|
+ ex_vec(vec);
|
|
|
+ }
|
|
|
+ if (pid == -1)
|
|
|
+ panic("no more processes");
|
|
|
+ kids = pid;
|
|
|
+ wait(&status);
|
|
|
+ if (status) switch(status & 0177) {
|
|
|
+ case SIGHUP:
|
|
|
+ case SIGINT:
|
|
|
+ case SIGQUIT:
|
|
|
+ case SIGTERM:
|
|
|
+ case 0:
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ error("%s died with signal %d\n", vec->al_argv[1], status&0177);
|
|
|
+ }
|
|
|
+ kids = -1;
|
|
|
+ return status ? ((RET_CODE = 1), 0) : 1;
|
|
|
+}
|
|
|
+
|
|
|
+/*VARARGS1*/
|
|
|
+error(str, s1, s2)
|
|
|
+ char *str, *s1, *s2;
|
|
|
+{
|
|
|
+ fprintf(stderr, "%s: ", ProgCall);
|
|
|
+ fprintf(stderr, str, s1, s2);
|
|
|
+ putc('\n', stderr);
|
|
|
+ ecount++;
|
|
|
+}
|
|
|
+
|
|
|
+/*VARARGS1*/
|
|
|
+warning(str, s1, s2)
|
|
|
+ char *str, *s1, *s2;
|
|
|
+{
|
|
|
+ fprintf(stderr, "%s: (warning) ", ProgCall);
|
|
|
+ fprintf(stderr, str, s1, s2);
|
|
|
+ putc('\n', stderr);
|
|
|
+}
|
|
|
+
|
|
|
+panic(str)
|
|
|
+ char *str;
|
|
|
+{
|
|
|
+ error(str);
|
|
|
+ trapcc(SIGINT);
|
|
|
+}
|
|
|
+
|
|
|
+pr_vec(vec)
|
|
|
+ register struct arglist *vec;
|
|
|
+{
|
|
|
+ register char **ap = &vec->al_argv[1];
|
|
|
+
|
|
|
+ vec->al_argv[vec->al_argc] = 0;
|
|
|
+ fputs(*ap, stderr);
|
|
|
+ while (*++ap) {
|
|
|
+ putc(' ', stderr);
|
|
|
+ fputs(*ap, stderr);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+extern int errno;
|
|
|
+
|
|
|
+ex_vec(vec)
|
|
|
+ register struct arglist *vec;
|
|
|
+{
|
|
|
+ if (noexec)
|
|
|
+ exit(0);
|
|
|
+ vec->al_argv[vec->al_argc] = 0;
|
|
|
+ execv(vec->al_argv[1], &(vec->al_argv[1]));
|
|
|
+ if (errno == ENOEXEC) { /* not an a.out, try it with the SHELL */
|
|
|
+ vec->al_argv[0] = SHELL;
|
|
|
+ execv(SHELL, &(vec->al_argv[0]));
|
|
|
+ }
|
|
|
+ if (access(vec->al_argv[1], 1) == 0) {
|
|
|
+ /* File is executable. */
|
|
|
+ error("cannot execute %s", vec->al_argv[1]);
|
|
|
+ } else {
|
|
|
+ error("%s is not executable", vec->al_argv[1]);
|
|
|
+ }
|
|
|
+ exit(1);
|
|
|
+}
|