From c7c7197d265a299c82c6629fba867730aad81375 Mon Sep 17 00:00:00 2001 From: Alan Coopersmith Date: Tue, 24 Mar 2009 18:22:37 -0700 Subject: Increased constification Signed-off-by: Alan Coopersmith --- cppsetup.c | 9 +++++---- def.h | 31 +++++++++++++++++-------------- imakemdep.h | 2 +- include.c | 16 ++++++++-------- main.c | 39 +++++++++++++++------------------------ parse.c | 8 ++++---- pr.c | 8 ++++---- 7 files changed, 54 insertions(+), 59 deletions(-) diff --git a/cppsetup.c b/cppsetup.c index b598670..5824253 100644 --- a/cppsetup.c +++ b/cppsetup.c @@ -29,10 +29,11 @@ in this Software without prior written authorization from The Open Group. #include "def.h" #include "ifparser.h" + struct _parse_data { struct filepointer *filep; struct inclist *inc; - char *filename; + const char *filename; const char *line; }; @@ -41,7 +42,7 @@ my_if_errors (IfParser *ip, const char *cp, const char *expecting) { struct _parse_data *pd = (struct _parse_data *) ip->data; int lineno = pd->filep->f_line; - char *filename = pd->filename; + const char *filename = pd->filename; char prefix[300]; int prefixlen; int i; @@ -111,8 +112,8 @@ my_eval_variable (IfParser *ip, const char *var, int len) } int -cppsetup(char *filename, - char *line, +cppsetup(const char *filename, + const char *line, struct filepointer *filep, struct inclist *inc) { diff --git a/def.h b/def.h index 2b60651..ca37e73 100644 --- a/def.h +++ b/def.h @@ -120,7 +120,7 @@ struct inclist { }; struct filepointer { - char *f_name; + const char *f_name; char *f_p; char *f_base; char *f_end; @@ -133,21 +133,23 @@ struct filepointer { #include -char *copy(char *str); -int match(char *str, char **list); -char *base_name(char *file); +#define copy(s) strdup(s) +int match(const char *str, const char * const *list); +char *base_name(const char *file); char *getnextline(struct filepointer *fp); struct symtab **slookup(char *symbol, struct inclist *file); struct symtab **isdefined(char *symbol, struct inclist *file, struct inclist **srcfile); struct symtab **fdefined(char *symbol, struct inclist *file, struct inclist **srcfile); -struct filepointer *getfile(char *file); +struct filepointer *getfile(const char *file); void included_by(struct inclist *ip, struct inclist *newfile); -struct inclist *newinclude(char *newfile, char *incstring); +struct inclist *newinclude(const char *newfile, + const char *incstring); void inc_clean (void); -struct inclist *inc_path(char *file, char *include, int type); +struct inclist *inc_path(const char *file, const char *include, + int type); void freefile(struct filepointer *fp); @@ -160,19 +162,20 @@ int find_includes(struct filepointer *filep, int recursion, boolean failOK); void recursive_pr_include(struct inclist *head, - char *file, char *base); + const char *file, + const char *base); void add_include(struct filepointer *filep, struct inclist *file, struct inclist *file_red, - char *include, int type, + const char *include, int type, boolean failOK); -int cppsetup(char *filename, - char *line, +int cppsetup(const char *filename, + const char *line, struct filepointer *filep, struct inclist *inc); -extern void fatalerr(char *, ...); -extern void warning(char *, ...); -extern void warning1(char *, ...); +extern void fatalerr(const char *, ...); +extern void warning(const char *, ...); +extern void warning1(const char *, ...); diff --git a/imakemdep.h b/imakemdep.h index c4533e1..60222a2 100644 --- a/imakemdep.h +++ b/imakemdep.h @@ -48,7 +48,7 @@ in this Software without prior written authorization from The Open Group. #undef DEF_STRINGIFY #define DEF_EVALUATE(__x) #__x #define DEF_STRINGIFY(_x) DEF_EVALUATE(_x) -struct symtab predefs[] = { +const struct symtab predefs[] = { #ifdef apollo {"apollo", "1"}, #endif diff --git a/include.c b/include.c index 65ce783..53935c5 100644 --- a/include.c +++ b/include.c @@ -31,14 +31,14 @@ in this Software without prior written authorization from The Open Group. extern struct inclist inclist[ MAXFILES ], *inclistp, *inclistnext; -extern char *includedirs[ ], - **includedirsnext; +extern const char *includedirs[ ], + **includedirsnext; extern char *notdotdot[ ]; extern boolean show_where_not; extern boolean warn_multiple; static boolean -isdot(char *p) +isdot(const char *p) { if(p && *p++ == '.' && *p++ == '\0') return(TRUE); @@ -46,7 +46,7 @@ isdot(char *p) } static boolean -isdotdot(char *p) +isdotdot(const char *p) { if(p && *p++ == '.' && *p++ == '.' && *p++ == '\0') return(TRUE); @@ -54,7 +54,7 @@ isdotdot(char *p) } static boolean -issymbolic(char *dir, char *component) +issymbolic(const char *dir, const char *component) { #ifdef S_IFLNK struct stat st; @@ -153,7 +153,7 @@ remove_dotdot(char *path) * Add an include file to the list of those included by 'file'. */ struct inclist * -newinclude(char *newfile, char *incstring) +newinclude(const char *newfile, const char *incstring) { register struct inclist *ip; @@ -235,10 +235,10 @@ inc_clean (void) } struct inclist * -inc_path(char *file, char *include, int type) +inc_path(const char *file, const char *include, int type) { static char path[ BUFSIZ ]; - register char **pp, *p; + register const char **pp, *p; register struct inclist *ip; struct stat st; diff --git a/main.c b/main.c index 6ae60f0..802ef3d 100644 --- a/main.c +++ b/main.c @@ -66,9 +66,9 @@ int _debugmask; #define DASH_INC_PRE "#include \"" #define DASH_INC_POST "\"" -char *ProgramName; +const char *ProgramName; -char *directives[] = { +const char * const directives[] = { "if", "ifdef", "ifndef", @@ -97,7 +97,7 @@ struct inclist inclist[ MAXFILES ], maininclist; static char *filelist[ MAXFILES ]; -char *includedirs[ MAXDIRS + 1 ], +const char *includedirs[ MAXDIRS + 1 ], **includedirsnext = includedirs; char *notdotdot[ MAXDIRS ]; static int cmdinc_count = 0; @@ -114,7 +114,7 @@ boolean show_where_not = FALSE; boolean warn_multiple = FALSE; static void setfile_cmdinc(struct filepointer *filep, long count, char **list); -static void redirect(char *line, char *makefile); +static void redirect(const char *line, const char *makefile); static #ifdef RETSIGTYPE @@ -156,12 +156,12 @@ int main(int argc, char *argv[]) { char **fp = filelist; - char **incp = includedirs; + const char **incp = includedirs; char *p; struct inclist *ip; char *makefile = NULL; struct filepointer *filecontent; - struct symtab *psymp = predefs; + const struct symtab *psymp = predefs; char *endmarker = NULL; char *defincdir = NULL; char **undeflist = NULL; @@ -550,7 +550,7 @@ elim_cr(char *buf, int sz) #endif struct filepointer * -getfile(char *file) +getfile(const char *file) { int fd; struct filepointer *content; @@ -600,16 +600,8 @@ freefile(struct filepointer *fp) free(fp); } -char *copy(char *str) -{ - char *p = (char *)malloc(strlen(str) + 1); - - strcpy(p, str); - return(p); -} - int -match(char *str, char **list) +match(const char *str, const char * const *list) { int i; @@ -750,11 +742,10 @@ done: * 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 *base_name(const char *in_file) { char *p; - - file = copy(file); + char *file = copy(in_file); for(p=file+strlen(file); p>file && *p != '.'; p--) ; if (*p == '.') @@ -785,8 +776,8 @@ int rename (char *from, char *to) } #endif /* NEED_RENAME */ -void -redirect(char *line, char *makefile) +static void +redirect(const char *line, const char *makefile) { struct stat st; FILE *fdin, *fdout; @@ -856,7 +847,7 @@ redirect(char *line, char *makefile) } void -fatalerr(char *msg, ...) +fatalerr(const char *msg, ...) { va_list args; fprintf(stderr, "%s: error: ", ProgramName); @@ -867,7 +858,7 @@ fatalerr(char *msg, ...) } void -warning(char *msg, ...) +warning(const char *msg, ...) { va_list args; fprintf(stderr, "%s: warning: ", ProgramName); @@ -877,7 +868,7 @@ warning(char *msg, ...) } void -warning1(char *msg, ...) +warning1(const char *msg, ...) { va_list args; va_start(args, msg); diff --git a/parse.c b/parse.c index 5248293..36dc558 100644 --- a/parse.c +++ b/parse.c @@ -28,12 +28,12 @@ in this Software without prior written authorization from The Open Group. #include "def.h" -extern char *directives[]; +extern const char * const directives[]; extern struct inclist inclist[ MAXFILES ], *inclistnext, maininclist; -extern char *includedirs[ ], - **includedirsnext; +extern const char *includedirs[ ], + **includedirsnext; static int deftype (char *line, struct filepointer *filep, struct inclist *file_red, struct inclist *file, @@ -555,7 +555,7 @@ find_includes(struct filepointer *filep, struct inclist *file, struct inclist *file_red, int recursion, boolean failOK) { struct inclist *inclistp; - char **includedirsp; + const char **includedirsp; register char *line; register int type; boolean recfailOK; diff --git a/pr.c b/pr.c index 5d0e1c4..dd9ee6e 100644 --- a/pr.c +++ b/pr.c @@ -39,7 +39,7 @@ extern boolean show_where_not; void add_include(struct filepointer *filep, struct inclist *file, - struct inclist *file_red, char *include, int type, + struct inclist *file_red, const char *include, int type, boolean failOK) { register struct inclist *newfile; @@ -75,9 +75,9 @@ add_include(struct filepointer *filep, struct inclist *file, } static void -pr(struct inclist *ip, char *file, char *base) +pr(struct inclist *ip, const char *file, const char *base) { - static char *lastfile; + static const char *lastfile; static int current_len; register int len, i; char buf[ BUFSIZ ]; @@ -110,7 +110,7 @@ pr(struct inclist *ip, char *file, char *base) } void -recursive_pr_include(struct inclist *head, char *file, char *base) +recursive_pr_include(struct inclist *head, const char *file, const char *base) { int i; -- cgit v1.2.1