summaryrefslogtreecommitdiff
path: root/src/tools/lcc/etc/lcc.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/tools/lcc/etc/lcc.c')
-rw-r--r--src/tools/lcc/etc/lcc.c811
1 files changed, 811 insertions, 0 deletions
diff --git a/src/tools/lcc/etc/lcc.c b/src/tools/lcc/etc/lcc.c
new file mode 100644
index 00000000..cac01b92
--- /dev/null
+++ b/src/tools/lcc/etc/lcc.c
@@ -0,0 +1,811 @@
+/*
+ * lcc [ option ]... [ file | -llib ]...
+ * front end for the ANSI C compiler
+ */
+static char rcsid[] = "Id: dummy rcsid";
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <ctype.h>
+#include <signal.h>
+#include <unistd.h>
+
+#ifndef TEMPDIR
+#define TEMPDIR "/tmp"
+#endif
+
+typedef struct list *List;
+struct list { /* circular list nodes: */
+ char *str; /* option or file name */
+ List link; /* next list element */
+};
+
+static void *alloc(int);
+static List append(char *,List);
+extern char *basename(char *);
+static int callsys(char *[]);
+extern char *concat(char *, char *);
+static int compile(char *, char *);
+static void compose(char *[], List, List, List);
+static void error(char *, char *);
+static char *exists(char *);
+static char *first(char *);
+static int filename(char *, char *);
+static List find(char *, List);
+static void help(void);
+static void initinputs(void);
+static void interrupt(int);
+static void opt(char *);
+static List path2list(const char *);
+extern int main(int, char *[]);
+extern char *replace(const char *, int, int);
+static void rm(List);
+extern char *strsave(const char *);
+extern char *stringf(const char *, ...);
+extern int suffix(char *, char *[], int);
+extern char *tempname(char *);
+
+#ifndef __sun
+extern int getpid(void);
+#endif
+
+extern char *cpp[], *include[], *com[], *as[],*ld[], inputs[], *suffixes[];
+extern int option(char *);
+
+static int errcnt; /* number of errors */
+static int Eflag; /* -E specified */
+static int Sflag = 1; /* -S specified */ //for Q3 we always generate asm
+static int cflag; /* -c specified */
+static int verbose; /* incremented for each -v */
+static List llist[2]; /* loader files, flags */
+static List alist; /* assembler flags */
+static List clist; /* compiler flags */
+static List plist; /* preprocessor flags */
+static List ilist; /* list of additional includes from LCCINPUTS */
+static List rmlist; /* list of files to remove */
+static char *outfile; /* ld output file or -[cS] object file */
+static int ac; /* argument count */
+static char **av; /* argument vector */
+char *tempdir = TEMPDIR; /* directory for temporary files */
+static char *progname;
+static List lccinputs; /* list of input directories */
+
+extern void UpdatePaths( const char *lccBinary );
+
+int main(int argc, char *argv[]) {
+ int i, j, nf;
+
+ progname = argv[0];
+
+ UpdatePaths( progname );
+
+ ac = argc + 50;
+ av = alloc(ac*sizeof(char *));
+ if (signal(SIGINT, SIG_IGN) != SIG_IGN)
+ signal(SIGINT, interrupt);
+ if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
+ signal(SIGTERM, interrupt);
+#ifdef SIGHUP
+ if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
+ signal(SIGHUP, interrupt);
+#endif
+ if (getenv("TMP"))
+ tempdir = getenv("TMP");
+ else if (getenv("TEMP"))
+ tempdir = getenv("TEMP");
+ else if (getenv("TMPDIR"))
+ tempdir = getenv("TMPDIR");
+ assert(tempdir);
+ i = strlen(tempdir);
+ for (; (i > 0 && tempdir[i-1] == '/') || tempdir[i-1] == '\\'; i--)
+ tempdir[i-1] = '\0';
+ if (argc <= 1) {
+ help();
+ exit(0);
+ }
+ plist = append("-D__LCC__", 0);
+ initinputs();
+ if (getenv("LCCDIR"))
+ option(stringf("-lccdir=%s", getenv("LCCDIR")));
+ for (nf = 0, i = j = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-o") == 0) {
+ if (++i < argc) {
+ if (suffix(argv[i], suffixes, 2) >= 0) {
+ error("-o would overwrite %s", argv[i]);
+ exit(8);
+ }
+ outfile = argv[i];
+ continue;
+ } else {
+ error("unrecognized option `%s'", argv[i-1]);
+ exit(8);
+ }
+ } else if (strcmp(argv[i], "-target") == 0) {
+ if (argv[i+1] && *argv[i+1] != '-')
+ i++;
+ continue;
+ } else if (*argv[i] == '-' && argv[i][1] != 'l') {
+ opt(argv[i]);
+ continue;
+ } else if (*argv[i] != '-' && suffix(argv[i], suffixes, 3) >= 0)
+ nf++;
+ argv[j++] = argv[i];
+ }
+ if ((cflag || Sflag) && outfile && nf != 1) {
+ fprintf(stderr, "%s: -o %s ignored\n", progname, outfile);
+ outfile = 0;
+ }
+ argv[j] = 0;
+ for (i = 0; include[i]; i++)
+ plist = append(include[i], plist);
+ if (ilist) {
+ List b = ilist;
+ do {
+ b = b->link;
+ plist = append(b->str, plist);
+ } while (b != ilist);
+ }
+ ilist = 0;
+ for (i = 1; argv[i]; i++)
+ if (*argv[i] == '-')
+ opt(argv[i]);
+ else {
+ char *name = exists(argv[i]);
+ if (name) {
+ if (strcmp(name, argv[i]) != 0
+ || (nf > 1 && suffix(name, suffixes, 3) >= 0))
+ fprintf(stderr, "%s:\n", name);
+ filename(name, 0);
+ } else
+ error("can't find `%s'", argv[i]);
+ }
+ if (errcnt == 0 && !Eflag && !Sflag && !cflag && llist[1]) {
+ compose(ld, llist[0], llist[1],
+ append(outfile ? outfile : concat("a", first(suffixes[4])), 0));
+ if (callsys(av))
+ errcnt++;
+ }
+ rm(rmlist);
+ return errcnt ? EXIT_FAILURE : EXIT_SUCCESS;
+}
+
+/* alloc - allocate n bytes or die */
+static void *alloc(int n) {
+ static char *avail, *limit;
+
+ n = (n + sizeof(char *) - 1)&~(sizeof(char *) - 1);
+ if (n >= limit - avail) {
+ avail = malloc(n + 4*1024);
+ assert(avail);
+ limit = avail + n + 4*1024;
+ }
+ avail += n;
+ return avail - n;
+}
+
+/* append - append a node with string str onto list, return new list */
+static List append(char *str, List list) {
+ List p = alloc(sizeof *p);
+
+ p->str = str;
+ if (list) {
+ p->link = list->link;
+ list->link = p;
+ } else
+ p->link = p;
+ return p;
+}
+
+/* basename - return base name for name, e.g. /usr/drh/foo.c => foo */
+char *basename(char *name) {
+ char *s, *b, *t = 0;
+
+ for (b = s = name; *s; s++)
+ if (*s == '/' || *s == '\\') {
+ b = s + 1;
+ t = 0;
+ } else if (*s == '.')
+ t = s;
+ s = strsave(b);
+ if (t)
+ s[t-b] = 0;
+ return s;
+}
+
+#ifdef WIN32
+#include <process.h>
+#else
+#define _P_WAIT 0
+#ifndef __sun
+extern int fork(void);
+#endif
+extern int wait(int *);
+
+static int _spawnvp(int mode, const char *cmdname, char *argv[]) {
+ int pid, n, status;
+
+ switch (pid = fork()) {
+ case -1:
+ fprintf(stderr, "%s: no more processes\n", progname);
+ return 100;
+ case 0:
+ // TTimo removing hardcoded paths, searching in $PATH
+ execvp(cmdname, argv);
+ fprintf(stderr, "%s: ", progname);
+ perror(cmdname);
+ fflush(stdout);
+ exit(100);
+ }
+ while ((n = wait(&status)) != pid && n != -1)
+ ;
+ if (n == -1)
+ status = -1;
+ if (status&0377) {
+ fprintf(stderr, "%s: fatal error in %s\n", progname, cmdname);
+ status |= 0400;
+ }
+ return (status>>8)&0377;
+}
+#endif
+
+/* callsys - execute the command described by av[0...], return status */
+static int callsys(char **av) {
+ int i, status = 0;
+ static char **argv;
+ static int argc;
+ char *executable;
+
+ for (i = 0; av[i] != NULL; i++)
+ ;
+ if (i + 1 > argc) {
+ argc = i + 1;
+ if (argv == NULL)
+ argv = malloc(argc*sizeof *argv);
+ else
+ argv = realloc(argv, argc*sizeof *argv);
+ assert(argv);
+ }
+ for (i = 0; status == 0 && av[i] != NULL; ) {
+ int j = 0;
+ char *s = NULL;
+ for ( ; av[i] != NULL && (s = strchr(av[i], '\n')) == NULL; i++)
+ argv[j++] = av[i];
+ if (s != NULL) {
+ if (s > av[i])
+ argv[j++] = stringf("%.*s", s - av[i], av[i]);
+ if (s[1] != '\0')
+ av[i] = s + 1;
+ else
+ i++;
+ }
+ argv[j] = NULL;
+ executable = strsave( argv[0] );
+ argv[0] = stringf( "\"%s\"", argv[0] );
+ if (verbose > 0) {
+ int k;
+ fprintf(stderr, "%s", argv[0]);
+ for (k = 1; argv[k] != NULL; k++)
+ fprintf(stderr, " %s", argv[k]);
+ fprintf(stderr, "\n");
+ }
+ if (verbose < 2)
+#ifndef WIN32
+ status = _spawnvp(_P_WAIT, executable, argv);
+#else
+ status = _spawnvp(_P_WAIT, executable, (const char* const*)argv);
+#endif
+ if (status == -1) {
+ fprintf(stderr, "%s: ", progname);
+ perror(argv[0]);
+ }
+ }
+ return status;
+}
+
+/* concat - return concatenation of strings s1 and s2 */
+char *concat(char *s1, char *s2) {
+ int n = strlen(s1);
+ char *s = alloc(n + strlen(s2) + 1);
+
+ strcpy(s, s1);
+ strcpy(s + n, s2);
+ return s;
+}
+
+/* compile - compile src into dst, return status */
+static int compile(char *src, char *dst) {
+ compose(com, clist, append(src, 0), append(dst, 0));
+ return callsys(av);
+}
+
+/* compose - compose cmd into av substituting a, b, c for $1, $2, $3, resp. */
+static void compose(char *cmd[], List a, List b, List c) {
+ int i, j;
+ List lists[3];
+
+ lists[0] = a;
+ lists[1] = b;
+ lists[2] = c;
+ for (i = j = 0; cmd[i]; i++) {
+ char *s = strchr(cmd[i], '$');
+ if (s && isdigit(s[1])) {
+ int k = s[1] - '0';
+ assert(k >=1 && k <= 3);
+ if ((b = lists[k-1])) {
+ b = b->link;
+ av[j] = alloc(strlen(cmd[i]) + strlen(b->str) - 1);
+ strncpy(av[j], cmd[i], s - cmd[i]);
+ av[j][s-cmd[i]] = '\0';
+ strcat(av[j], b->str);
+ strcat(av[j++], s + 2);
+ while (b != lists[k-1]) {
+ b = b->link;
+ assert(j < ac);
+ av[j++] = b->str;
+ };
+ }
+ } else if (*cmd[i]) {
+ assert(j < ac);
+ av[j++] = cmd[i];
+ }
+ }
+ av[j] = NULL;
+}
+
+/* error - issue error msg according to fmt, bump error count */
+static void error(char *fmt, char *msg) {
+ fprintf(stderr, "%s: ", progname);
+ fprintf(stderr, fmt, msg);
+ fprintf(stderr, "\n");
+ errcnt++;
+}
+
+/* exists - if `name' readable return its path name or return null */
+static char *exists(char *name) {
+ List b;
+
+ if ( (name[0] == '/' || name[0] == '\\' || name[2] == ':')
+ && access(name, 4) == 0)
+ return name;
+ if (!(name[0] == '/' || name[0] == '\\' || name[2] == ':')
+ && (b = lccinputs))
+ do {
+ b = b->link;
+ if (b->str[0]) {
+ char buf[1024];
+ sprintf(buf, "%s/%s", b->str, name);
+ if (access(buf, 4) == 0)
+ return strsave(buf);
+ } else if (access(name, 4) == 0)
+ return name;
+ } while (b != lccinputs);
+ if (verbose > 1)
+ return name;
+ return 0;
+}
+
+/* first - return first component in semicolon separated list */
+static char *first(char *list) {
+ char *s = strchr(list, ';');
+
+ if (s) {
+ char buf[1024];
+ strncpy(buf, list, s-list);
+ buf[s-list] = '\0';
+ return strsave(buf);
+ } else
+ return list;
+}
+
+/* filename - process file name argument `name', return status */
+static int filename(char *name, char *base) {
+ int status = 0;
+ static char *stemp, *itemp;
+
+ if (base == 0)
+ base = basename(name);
+ switch (suffix(name, suffixes, 4)) {
+ case 0: /* C source files */
+ compose(cpp, plist, append(name, 0), 0);
+ if (Eflag) {
+ status = callsys(av);
+ break;
+ }
+ if (itemp == NULL)
+ itemp = tempname(first(suffixes[1]));
+ compose(cpp, plist, append(name, 0), append(itemp, 0));
+ status = callsys(av);
+ if (status == 0)
+ return filename(itemp, base);
+ break;
+ case 1: /* preprocessed source files */
+ if (Eflag)
+ break;
+ if (Sflag)
+ status = compile(name, outfile ? outfile : concat(base, first(suffixes[2])));
+ else if ((status = compile(name, stemp?stemp:(stemp=tempname(first(suffixes[2]))))) == 0)
+ return filename(stemp, base);
+ break;
+ case 2: /* assembly language files */
+ if (Eflag)
+ break;
+ if (!Sflag) {
+ char *ofile;
+ if (cflag && outfile)
+ ofile = outfile;
+ else if (cflag)
+ ofile = concat(base, first(suffixes[3]));
+ else
+ ofile = tempname(first(suffixes[3]));
+ compose(as, alist, append(name, 0), append(ofile, 0));
+ status = callsys(av);
+ if (!find(ofile, llist[1]))
+ llist[1] = append(ofile, llist[1]);
+ }
+ break;
+ case 3: /* object files */
+ if (!find(name, llist[1]))
+ llist[1] = append(name, llist[1]);
+ break;
+ default:
+ if (Eflag) {
+ compose(cpp, plist, append(name, 0), 0);
+ status = callsys(av);
+ }
+ llist[1] = append(name, llist[1]);
+ break;
+ }
+ if (status)
+ errcnt++;
+ return status;
+}
+
+/* find - find 1st occurrence of str in list, return list node or 0 */
+static List find(char *str, List list) {
+ List b;
+
+ if ((b = list))
+ do {
+ if (strcmp(str, b->str) == 0)
+ return b;
+ } while ((b = b->link) != list);
+ return 0;
+}
+
+/* help - print help message */
+static void help(void) {
+ static char *msgs[] = {
+"", " [ option | file ]...\n",
+" except for -l, options are processed left-to-right before files\n",
+" unrecognized options are taken to be linker options\n",
+"-A warn about nonANSI usage; 2nd -A warns more\n",
+"-b emit expression-level profiling code; see bprint(1)\n",
+#ifdef sparc
+"-Bstatic -Bdynamic specify static or dynamic libraries\n",
+#endif
+"-Bdir/ use the compiler named `dir/rcc'\n",
+"-c compile only\n",
+"-dn set switch statement density to `n'\n",
+"-Dname -Dname=def define the preprocessor symbol `name'\n",
+"-E run only the preprocessor on the named C programs and unsuffixed files\n",
+"-g produce symbol table information for debuggers\n",
+"-help or -? print this message\n",
+"-Idir add `dir' to the beginning of the list of #include directories\n",
+"-lx search library `x'\n",
+"-N do not search the standard directories for #include files\n",
+"-n emit code to check for dereferencing zero pointers\n",
+"-O is ignored\n",
+"-o file leave the output in `file'\n",
+"-P print ANSI-style declarations for globals\n",
+"-p -pg emit profiling code; see prof(1) and gprof(1)\n",
+"-S compile to assembly language\n",
+#ifdef linux
+"-static specify static libraries (default is dynamic)\n",
+#endif
+"-t -tname emit function tracing calls to printf or to `name'\n",
+"-target name is ignored\n",
+"-tempdir=dir place temporary files in `dir/'", "\n"
+"-Uname undefine the preprocessor symbol `name'\n",
+"-v show commands as they are executed; 2nd -v suppresses execution\n",
+"-w suppress warnings\n",
+"-Woarg specify system-specific `arg'\n",
+"-W[pfal]arg pass `arg' to the preprocessor, compiler, assembler, or linker\n",
+ 0 };
+ int i;
+ char *s;
+
+ msgs[0] = progname;
+ for (i = 0; msgs[i]; i++) {
+ fprintf(stderr, "%s", msgs[i]);
+ if (strncmp("-tempdir", msgs[i], 8) == 0 && tempdir)
+ fprintf(stderr, "; default=%s", tempdir);
+ }
+#define xx(v) if ((s = getenv(#v))) fprintf(stderr, #v "=%s\n", s)
+ xx(LCCINPUTS);
+ xx(LCCDIR);
+#ifdef WIN32
+ xx(include);
+ xx(lib);
+#endif
+#undef xx
+}
+
+/* initinputs - if LCCINPUTS or include is defined, use them to initialize various lists */
+static void initinputs(void) {
+ char *s = getenv("LCCINPUTS");
+ List b;
+#ifdef WIN32
+ List list;
+#endif
+
+ if (s == 0 || (s = inputs)[0] == 0)
+ s = ".";
+ if (s) {
+ lccinputs = path2list(s);
+ if ((b = lccinputs))
+ do {
+ b = b->link;
+ if (strcmp(b->str, ".") != 0) {
+ ilist = append(concat("-I", b->str), ilist);
+ if (strstr(com[1], "win32") == NULL)
+ llist[0] = append(concat("-L", b->str), llist[0]);
+ } else
+ b->str = "";
+ } while (b != lccinputs);
+ }
+#ifdef WIN32
+ if ((list = b = path2list(getenv("include"))))
+ do {
+ b = b->link;
+ ilist = append(stringf("-I\"%s\"", b->str), ilist);
+ } while (b != list);
+#endif
+}
+
+/* interrupt - catch interrupt signals */
+static void interrupt(int n) {
+ rm(rmlist);
+ exit(n = 100);
+}
+
+/* opt - process option in arg */
+static void opt(char *arg) {
+ switch (arg[1]) { /* multi-character options */
+ case 'W': /* -Wxarg */
+ if (arg[2] && arg[3])
+ switch (arg[2]) {
+ case 'o':
+ if (option(&arg[3]))
+ return;
+ break;
+ case 'p':
+ plist = append(&arg[3], plist);
+ return;
+ case 'f':
+ if (strcmp(&arg[3], "-C") || option("-b")) {
+ clist = append(&arg[3], clist);
+ return;
+ }
+ break; /* and fall thru */
+ case 'a':
+ alist = append(&arg[3], alist);
+ return;
+ case 'l':
+ llist[0] = append(&arg[3], llist[0]);
+ return;
+ }
+ fprintf(stderr, "%s: %s ignored\n", progname, arg);
+ return;
+ case 'd': /* -dn */
+ arg[1] = 's';
+ clist = append(arg, clist);
+ return;
+ case 't': /* -t -tname -tempdir=dir */
+ if (strncmp(arg, "-tempdir=", 9) == 0)
+ tempdir = arg + 9;
+ else
+ clist = append(arg, clist);
+ return;
+ case 'p': /* -p -pg */
+ if (option(arg))
+ clist = append(arg, clist);
+ else
+ fprintf(stderr, "%s: %s ignored\n", progname, arg);
+ return;
+ case 'D': /* -Dname -Dname=def */
+ case 'U': /* -Uname */
+ case 'I': /* -Idir */
+ plist = append(arg, plist);
+ return;
+ case 'B': /* -Bdir -Bstatic -Bdynamic */
+#ifdef sparc
+ if (strcmp(arg, "-Bstatic") == 0 || strcmp(arg, "-Bdynamic") == 0)
+ llist[1] = append(arg, llist[1]);
+ else
+#endif
+ {
+ static char *path;
+ if (path)
+ error("-B overwrites earlier option", 0);
+ path = arg + 2;
+ if (strstr(com[1], "win32") != NULL)
+ com[0] = concat(replace(path, '/', '\\'), concat("rcc", first(suffixes[4])));
+ else
+ com[0] = concat(path, "rcc");
+ if (path[0] == 0)
+ error("missing directory in -B option", 0);
+ }
+ return;
+ case 'h':
+ if (strcmp(arg, "-help") == 0) {
+ static int printed = 0;
+ case '?':
+ if (!printed)
+ help();
+ printed = 1;
+ return;
+ }
+#ifdef linux
+ case 's':
+ if (strcmp(arg,"-static") == 0) {
+ if (!option(arg))
+ fprintf(stderr, "%s: %s ignored\n", progname, arg);
+ return;
+ }
+#endif
+ }
+ if (arg[2] == 0)
+ switch (arg[1]) { /* single-character options */
+ case 'S':
+ Sflag++;
+ return;
+ case 'O':
+ fprintf(stderr, "%s: %s ignored\n", progname, arg);
+ return;
+ case 'A': case 'n': case 'w': case 'P':
+ clist = append(arg, clist);
+ return;
+ case 'g': case 'b':
+ if (option(arg))
+ clist = append(arg[1] == 'g' ? "-g2" : arg, clist);
+ else
+ fprintf(stderr, "%s: %s ignored\n", progname, arg);
+ return;
+ case 'G':
+ if (option(arg)) {
+ clist = append("-g3", clist);
+ llist[0] = append("-N", llist[0]);
+ } else
+ fprintf(stderr, "%s: %s ignored\n", progname, arg);
+ return;
+ case 'E':
+ Eflag++;
+ return;
+ case 'c':
+ cflag++;
+ return;
+ case 'N':
+ if (strcmp(basename(cpp[0]), "gcc-cpp") == 0)
+ plist = append("-nostdinc", plist);
+ include[0] = 0;
+ ilist = 0;
+ return;
+ case 'v':
+ if (verbose++ == 0) {
+ if (strcmp(basename(cpp[0]), "gcc-cpp") == 0)
+ plist = append(arg, plist);
+ clist = append(arg, clist);
+ fprintf(stderr, "%s %s\n", progname, rcsid);
+ }
+ return;
+ }
+ if (cflag || Sflag || Eflag)
+ fprintf(stderr, "%s: %s ignored\n", progname, arg);
+ else
+ llist[1] = append(arg, llist[1]);
+}
+
+/* path2list - convert a colon- or semicolon-separated list to a list */
+static List path2list(const char *path) {
+ List list = NULL;
+ char sep = ':';
+
+ if (path == NULL)
+ return NULL;
+ if (strchr(path, ';'))
+ sep = ';';
+ while (*path) {
+ char *p, buf[512];
+ if ((p = strchr(path, sep))) {
+ assert(p - path < sizeof buf);
+ strncpy(buf, path, p - path);
+ buf[p-path] = '\0';
+ } else {
+ assert(strlen(path) < sizeof buf);
+ strcpy(buf, path);
+ }
+ if (!find(buf, list))
+ list = append(strsave(buf), list);
+ if (p == 0)
+ break;
+ path = p + 1;
+ }
+ return list;
+}
+
+/* replace - copy str, then replace occurrences of from with to, return the copy */
+char *replace(const char *str, int from, int to) {
+ char *s = strsave(str), *p = s;
+
+ for ( ; (p = strchr(p, from)) != NULL; p++)
+ *p = to;
+ return s;
+}
+
+/* rm - remove files in list */
+static void rm(List list) {
+ if (list) {
+ List b = list;
+ if (verbose)
+ fprintf(stderr, "rm");
+ do {
+ if (verbose)
+ fprintf(stderr, " %s", b->str);
+ if (verbose < 2)
+ remove(b->str);
+ } while ((b = b->link) != list);
+ if (verbose)
+ fprintf(stderr, "\n");
+ }
+}
+
+/* strsave - return a saved copy of string str */
+char *strsave(const char *str) {
+ return strcpy(alloc(strlen(str)+1), str);
+}
+
+/* stringf - format and return a string */
+char *stringf(const char *fmt, ...) {
+ char buf[1024];
+ va_list ap;
+ int n;
+
+ va_start(ap, fmt);
+ n = vsprintf(buf, fmt, ap);
+ va_end(ap);
+ return strsave(buf);
+}
+
+/* suffix - if one of tails[0..n-1] holds a proper suffix of name, return its index */
+int suffix(char *name, char *tails[], int n) {
+ int i, len = strlen(name);
+
+ for (i = 0; i < n; i++) {
+ char *s = tails[i], *t;
+ for ( ; (t = strchr(s, ';')); s = t + 1) {
+ int m = t - s;
+ if (len > m && strncmp(&name[len-m], s, m) == 0)
+ return i;
+ }
+ if (*s) {
+ int m = strlen(s);
+ if (len > m && strncmp(&name[len-m], s, m) == 0)
+ return i;
+ }
+ }
+ return -1;
+}
+
+/* tempname - generate a temporary file name in tempdir with given suffix */
+char *tempname(char *suffix) {
+ static int n;
+ char *name = stringf("%s/lcc%d%d%s", tempdir, getpid(), n++, suffix);
+
+ if (strstr(com[1], "win32") != NULL)
+ name = replace(name, '/', '\\');
+ rmlist = append(name, rmlist);
+ return name;
+}
generated by cgit (git 2.34.1) at 2024-11-14 22:57:01 +0000