/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* $XConsortium: main.c,v 1.84 94/11/30 16:10:44 kaleb Exp $ */
/* $XFree86: xc/config/makedepend/main.c,v 3.4 1995/07/15 14:53:49 dawes Exp $ */
/*
Copyright (c) 1993, 1994 X Consortium
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of the X Consortium shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from the X Consortium.
*/
#if defined(FREEBSD) || defined(MACOSX)
#include <sys/types.h>
#include <sys/stat.h>
#endif
#ifdef _WIN32
#include <io.h>
#endif
#ifdef _MSC_VER /* Define ssize_t */
#if !defined(_W64)
#if !defined(__midl) && (defined(_X86_) || defined(_M_IX86))
#define _W64 __w64
#else
#define _W64
#endif
#endif
#ifdef _WIN64
typedef __int64 ssize_t;
#else
typedef _W64 int ssize_t;
#endif
#endif
#include "def.h"
#include <string.h>
#ifdef hpux
#define sigvec sigvector
#endif /* hpux */
#ifdef X_POSIX_C_SOURCE
#define _POSIX_C_SOURCE X_POSIX_C_SOURCE
#include <signal.h>
#undef _POSIX_C_SOURCE
#else
#if defined(X_NOT_POSIX) || defined(_POSIX_SOURCE)
#include <signal.h>
#else
#define _POSIX_SOURCE
#include <signal.h>
#undef _POSIX_SOURCE
#endif
#endif
#include <stdarg.h>
#ifdef MINIX
#define USE_CHMOD 1
#endif
#ifdef DEBUG
int _debugmask;
#endif
char *ProgramName;
#define OBJSUFFIX ".obj"
#define INCLUDEDIR "."
char *directives[] = {
"if",
"ifdef",
"ifndef",
"else",
"endif",
"define",
"undef",
"include",
"line",
"pragma",
"error",
"ident",
"sccs",
"elif",
"eject",
NULL
};
#define MAKEDEPEND
#include "imakemdep.h" /* from config sources */
#undef MAKEDEPEND
/******* function declarations ********/
/******* added by -Wall project *******/
void redirect(char * makefile);
struct inclist inclist[ MAXFILES ],
*inclistp = inclist;
static struct symhash *maininclist = NULL;
char *filelist[ MAXFILES ];
char *includedirs[ MAXDIRS + 1 ];
char *notdotdot[ MAXDIRS ];
char *objprefix = "";
char *objsuffix = OBJSUFFIX;
static char *startat = "# DO NOT DELETE";
static int width = 78;
static boolean append = FALSE;
boolean printed = FALSE;
boolean verbose = FALSE;
boolean show_where_not = FALSE;
boolean warn_multiple = FALSE; /* Warn on multiple includes of same file */
static
#ifdef SIGNALRETURNSINT
int
#else
void
#endif
catch (int sig)
{
fflush (stdout);
fatalerr ("got signal %d\n", sig);
}
#if (defined(i386) && defined(SYSV)) || defined(_WIN32)
#define USGISH
#endif
#ifndef USGISH
#ifndef _POSIX_SOURCE
#define sigaction sigvec
#define sa_handler sv_handler
#define sa_mask sv_mask
#define sa_flags sv_flags
#endif
struct sigaction sig_act;
#endif /* USGISH */
static boolean native_win_slashes = FALSE;
int main(int argc, char **argv)
{
char **fp = filelist;
char **incp = includedirs;
char *p;
struct inclist *ip;
char *makefile = NULL;
struct filepointer *filecontent;
struct pair *psymp = predefs;
char *endmarker = NULL;
char *defincdir = NULL;
struct IncludesCollection* incCollection;
ProgramName = argv[0];
while (psymp->p_name)
{
hash_define(psymp->p_name, psymp->p_value, &maininclist);
psymp++;
}
if (argc == 2 && argv[1][0] == '@') {
struct stat ast;
int afd;
char *args;
char **nargv;
int nargc;
char quotechar = '\0';
nargc = 1;
if ((afd = open(argv[1]+1, O_RDONLY)) < 0)
fatalerr("cannot open \"%s\"\n", argv[1]+1);
(void)fstat(afd, &ast);
args = (char *)malloc(ast.st_size + 1);
if ((ast.st_size = read(afd, args, (size_t) ast.st_size)) < 0)
fatalerr("failed to read %s\n", argv[1]+1);
args[ast.st_size] = '\0';
close(afd);
for (p = args; *p; p++) {
if (quotechar) {
if (quotechar == '\\'
|| (*p == quotechar && p[-1] != '\\'))
quotechar = '\0';
continue;
}
switch (*p) {
case '\\':
case '"':
case '\'':
quotechar = *p;
break;
case ' ':
case '\n':
*p = '\0';
if (p > args && p[-1])
nargc++;
break;
}
}
if (p[-1])
nargc++;
nargv = (char **)malloc(nargc * sizeof(char *));
nargv[0] = argv[0];
argc = 1;
for (p = args; argc < nargc; p += strlen(p) + 1)
if (*p) nargv[argc++] = p;
argv = nargv;
}
for(argc--, argv++; argc; argc--, argv++) {
/* if looking for endmarker then check before parsing */
if (endmarker && strcmp (endmarker, *argv) == 0) {
endmarker = NULL;
continue;
}
if (**argv != '-') {
/* treat +thing as an option for C++ */
if (endmarker && **argv == '+')
continue;
*fp++ = argv[0];
continue;
}
switch(argv[0][1]) {
case '-':
endmarker = &argv[0][2];
if (endmarker[0] == '\0') endmarker = "--";
break;
case 'D':
if (argv[0][2] == '\0') {
argv++;
argc--;
}
for (p=argv[0] + 2; *p ; p++)
if (*p == '=') {
*p = ' ';
break;
}
define(argv[0] + 2, &maininclist);
break;
case 'I':
if (incp >= includedirs + MAXDIRS)
fatalerr("Too many -I flags.\n");
*incp++ = argv[0]+2;
if (**(incp-1) == '\0') {
*(incp-1) = *(++argv);
argc--;
}
break;
case 'Y':
defincdir = argv[0]+2;
break;
/* do not use if endmarker processing */
case 'a':
if (endmarker) break;
append = TRUE;
break;
case 'w':
if (endmarker) break;
if (argv[0][2] == '\0') {
argv++;
argc--;
width = atoi(argv[0]);
} else
width = atoi(argv[0]+2);
break;
case 'n':
// Use "-n" switch to generate dependencies with windows-native slash style
native_win_slashes = TRUE;
break;
case 'o':
if (endmarker) break;
if (argv[0][2] == '\0') {
argv++;
argc--;
objsuffix = argv[0];
} else
objsuffix = argv[0]+2;
break;
case 'p':
if (endmarker) break;
if (argv[0][2] == '\0') {
argv++;
argc--;
objprefix = argv[0];
} else
objprefix = argv[0]+2;
break;
case 'v':
if (endmarker) break;
verbose = TRUE;
#ifdef DEBUG
if (argv[0][2])
_debugmask = atoi(argv[0]+2);
#endif
break;
case 's':
if (endmarker) break;
startat = argv[0]+2;
if (*startat == '\0') {
startat = *(++argv);
argc--;
}
if (*startat != '#')
fatalerr("-s flag's value should start %s\n",
"with '#'.");
break;
case 'f':
if (endmarker) break;
makefile = argv[0]+2;
if (*makefile == '\0') {
makefile = *(++argv);
argc--;
}
break;
case 'm':
warn_multiple = TRUE;
break;
/* Ignore -O, -g so we can just pass ${CFLAGS} to
makedepend
*/
case 'O':
case 'g':
break;
default:
if (endmarker) break;
warning("ignoring option %s\n", argv[0]);
}
}
convert_slashes(objprefix);
objprefix = append_slash(objprefix);
if (!defincdir) {
#ifdef PREINCDIR
if (incp >= includedirs + MAXDIRS)
fatalerr("Too many -I flags.\n");
*incp++ = PREINCDIR;
#endif
if (incp >= includedirs + MAXDIRS)
fatalerr("Too many -I flags.\n");
*incp++ = INCLUDEDIR;
#ifdef POSTINCDIR
if (incp >= includedirs + MAXDIRS)
fatalerr("Too many -I flags.\n");
*incp++ = POSTINCDIR;
#endif
} else if (*defincdir) {
if (incp >= includedirs + MAXDIRS)
fatalerr("Too many -I flags.\n");
*incp++ = defincdir;
}
redirect(makefile);
/*
* catch signals.
*/
#ifdef USGISH
/* should really reset SIGINT to SIG_IGN if it was. */
#ifdef SIGHUP
signal (SIGHUP, catch);
#endif
signal (SIGINT, catch);
#ifdef SIGQUIT
signal (SIGQUIT, catch);
#endif
signal (SIGILL, catch);
#ifdef SIGBUS
signal (SIGBUS, catch);
#endif
signal (SIGSEGV, catch);
#ifdef SIGSYS
signal (SIGSYS, catch);
#endif
signal (SIGFPE, catch);
#else
sig_act.sa_handler = catch;
#ifdef _POSIX_SOURCE
sigemptyset(&sig_act.sa_mask);
sigaddset(&sig_act.sa_mask, SIGINT);
sigaddset(&sig_act.sa_mask, SIGQUIT);
#ifdef SIGBUS
sigaddset(&sig_act.sa_mask, SIGBUS);
#endif
sigaddset(&sig_act.sa_mask, SIGILL);
sigaddset(&sig_act.sa_mask, SIGSEGV);
sigaddset(&sig_act.sa_mask, SIGHUP);
sigaddset(&sig_act.sa_mask, SIGPIPE);
#ifdef SIGSYS
sigaddset(&sig_act.sa_mask, SIGSYS);
#endif
#else
sig_act.sa_mask = ((1<<(SIGINT -1))
|(1<<(SIGQUIT-1))
#ifdef SIGBUS
|(1<<(SIGBUS-1))
#endif
|(1<<(SIGILL-1))
|(1<<(SIGSEGV-1))
|(1<<(SIGHUP-1))
|(1<<(SIGPIPE-1))
#ifdef SIGSYS
|(1<<(SIGSYS-1))
#endif
);
#endif /* _POSIX_SOURCE */
sig_act.sa_flags = 0;
sigaction(SIGHUP, &sig_act, (struct sigaction *)0);
sigaction(SIGINT, &sig_act, (struct sigaction *)0);
sigaction(SIGQUIT, &sig_act, (struct sigaction *)0);
sigaction(SIGILL, &sig_act, (struct sigaction *)0);
#ifdef SIGBUS
sigaction(SIGBUS, &sig_act, (struct sigaction *)0);
#endif
sigaction(SIGSEGV, &sig_act, (struct sigaction *)0);
#ifdef SIGSYS
sigaction(SIGSYS, &sig_act, (struct sigaction *)0);
#endif
#endif /* USGISH */
/*
* now peruse through the list of files.
*/
incCollection = create_IncludesCollection();
for(fp=filelist; *fp; fp++) {
struct symhash *includes;
filecontent = getfile(*fp);
ip = newinclude(*fp, (char *)NULL);
includes = hash_copy( maininclist );
find_includes(filecontent, ip, ip, 0, FALSE, incCollection, includes);
hash_free( includes );
freefile(filecontent);
recursive_pr_include(ip, ip->i_file, base_name(*fp));
if (printed)
fwrite("\n\n", 2, 1, stdout);
recursive_pr_dummy(ip, ip->i_file);
inc_clean();
}
if (printed)
printf("\n");
delete_IncludesCollection(incCollection);
exit(0);
}
struct filepointer *getfile(char *file)
{
int fd;
struct filepointer *content;
struct stat st;
off_t size_backup;
ssize_t bytes_read;
unsigned malloc_size;
content = (struct filepointer *)malloc(sizeof(struct filepointer));
if ((fd = open(file, O_RDONLY)) < 0) {
warning("makedepend: Cannot open file \"%s\"\n", file);
content->f_p = content->f_base = content->f_end = (char *)malloc(1);
*content->f_p = '\0';
return content;
}
(void)fstat(fd, &st);
size_backup = st.st_size;
malloc_size = size_backup;
/* Since off_t usually is larger than unsigned, need to test for
* truncation.
*/
if ( (off_t)malloc_size != size_backup )
{
close( fd );
warning("makedepend: File \"%s\" is too large.\n", file);
content->f_p = content->f_base = content->f_end = (char *)malloc(1);
*content->f_p = '\0';
return content;
}
content->f_base = (char *)malloc(malloc_size+1);
if (content->f_base == NULL)
fatalerr("makedepend: Cannot allocate memory to process file \"%s\"\n", file);
if ((bytes_read = read(fd, content->f_base, malloc_size)) < 0)
if ( st.st_mode & S_IFREG )
fatalerr("makedepend: Failed to read file \"%s\"\n", file);
close(fd);
content->f_p = content->f_base;
content->f_end = content->f_base + bytes_read;
*content->f_end = '\0';
content->f_line = 0;
return content;
}
void freefile(struct filepointer *fp)
{
free(fp->f_base);
free(fp);
}
char *copy(char const *str)
{
char *p = (char *)malloc(strlen(str) + 1);
strcpy(p, str);
return p;
}
int match(char const *str, char **list)
{
int i;
for (i=0; *list; i++, list++)
if (strcmp(str, *list) == 0)
return i;
return -1;
}
/*
* Get the next line. We only return lines beginning with '#' since that
* is all this program is ever interested in.
*/
char *get_line(struct filepointer *filep)
{
char *p, /* walking pointer */
*eof, /* end of file pointer */
*bol; /* beginning of line pointer */
int lineno; /* line number */
p = filep->f_p;
eof = filep->f_end;
if (p >= eof)
return (char *)NULL;
lineno = filep->f_line;
for(bol = p--; ++p < eof; ) {
if (*p == '/' && *(p+1) == '*') { /* consume comments */
*p++ = ' ';
*p++ = ' ';
while (*p) {
if (*p == '*' && *(p+1) == '/') {
*p++ = ' ';
*p = ' ';
break;
}
else if (*p == '\n')
lineno++;
*p++ = ' ';
}
continue;
}
else if (*p == '/' && *(p+1) == '/') { /* consume comments */
*p++ = ' ';
*p++ = ' ';
while (*p && *p != '\n')
*p++ = ' ';
if ( *p == '\n' )
p--;
lineno++;
continue;
}
else if (*p == '\\') {
if (*(p+1) == '\n') {
*p = ' ';
*(p+1) = ' ';
lineno++;
}
}
else if (*p == '\n') {
lineno++;
if (*bol == '#') {
char *cp;
*p++ = '\0';
/* punt lines with just # (yacc generated) */
for (cp = bol+1;
*cp && (*cp == ' ' || *cp == '\t'); cp++);
if (*cp) goto done;
}
bol = p+1;
}
}
if (*bol != '#')
bol = NULL;
done:
filep->f_p = p;
filep->f_line = lineno;
return bol;
}
/*
* Strip the file name down to what we want to see in the Makefile.
* It will have objprefix and objsuffix around it.
*/
char *base_name(char *file)
{
char *p;
file = copy(file);
for(p=file+strlen(file); p>file && *p != '.'; p--) ;
if (*p == '.')
*p = '\0';
while (p > file) {
if ( *p == '/' || *p == '\\') {
file = p + 1;
break;
}
p--;
}
return file;
}
#if defined(USG) && !defined(CRAY) && !defined(SVR4)
int rename (char *from, char *to)
{
(void) unlink (to);
if (link (from, to) == 0) {
unlink (from);
return 0;
} else {
return -1;
}
}
#endif /* USGISH */
void redirect(char *makefile)
{
FILE *fdout;
fdout = makefile ? freopen(makefile, "wb", stdout) : NULL; // binary mode please
if (fdout == NULL)
fatalerr("cannot open \"%s\"\n", makefile ? makefile : "<NULL>");
}
void fatalerr(char *msg, ...)
{
va_list args;
fprintf(stderr, "%s: error: ", ProgramName);
va_start(args, msg);
vfprintf(stderr, msg, args);
va_end(args);
exit (1);
}
void warning(char const *msg, ...)
{
#ifdef DEBUG_MKDEPEND
va_list args;
fprintf(stderr, "%s: warning: ", ProgramName);
va_start(args, msg);
vfprintf(stderr, msg, args);
va_end(args);
#else
(void)msg;
#endif /* DEBUG_MKDEPEND */
}
void warning1(char const *msg, ...)
{
#ifdef DEBUG_MKDEPEND
va_list args;
va_start(args, msg);
vfprintf(stderr, msg, args);
va_end(args);
#else
(void)msg;
#endif /* DEBUG_MKDEPEND */
}
void convert_slashes(char *path)
{
#if defined (_WIN32)
/*
* Convert backslashes to slashes
*/
char *ptr;
if (native_win_slashes) {
for (ptr = (char*)path; *ptr; ++ptr)
if (*ptr == '/')
*ptr = '\\';
} else {
for (ptr = (char*)path; *ptr; ++ptr)
if (*ptr == '\\')
*ptr = '/';
}
#else
(void)path;
#endif
}
char* append_slash(char *path)
{
char *new_string;
const char cLastChar = path[strlen(path) - 1];
if (cLastChar == '/' || cLastChar == '\\') {
new_string = path;
} else {
new_string = (char*)malloc(sizeof(char) * (strlen(path) + 2));
strcpy(new_string, path);
if (native_win_slashes)
strcat(new_string, "\\");
else
strcat(new_string, "/");
}
return new_string;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V522 There might be dereferencing of a potential null pointer 'content'. Check lines: 487, 484.
↑ V522 There might be dereferencing of a potential null pointer 'content->f_p'. Check lines: 488, 487.
↑ V769 The 'content->f_base' pointer in the 'content->f_base + bytes_read' expression could be nullptr. In such case, resulting value will be senseless and it should not be used. Check lines: 516, 507.
↑ V575 The potential null pointer is passed into 'strcpy' function. Inspect the first argument. Check lines: 532, 530.
↑ V522 There might be dereferencing of a potential null pointer 'nargv'. Check lines: 227, 226.
↑ V575 The potential null pointer is passed into 'strcpy' function. Inspect the first argument. Check lines: 727, 726.
↑ V522 There might be dereferencing of a potential null pointer 'p'. Check lines: 203, 198.
↑ V522 There might be dereferencing of a potential null pointer 'args'. Check lines: 201, 198.
↑ V575 The potential null pointer is passed into 'strlen' function. Inspect the first argument.