coccinelle: check reserved symbols based on a file

Use a file with reserved symbols instead of checking against a fixed
list of strings.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

scripts/coccinelle/reserved_names.cocci

@@ -45,8 +45,10 @@ p << common_case.p;
 @@
 
 msg = "WARNING: Violation to rule 21.2 (Should not used a reserved identifier) - {}".format(v)
-if v in ["remove", "rewind", "malloc", "free", "exp", "signal"]:
+with open("scripts/coccinelle/symbols.txt", "r") as fp:
-	coccilib.report.print_report(p[0], msg)
+       symbols = fp.read().splitlines()
+       if v in symbols:
+               coccilib.report.print_report(p[0], msg)
 
 @function_match@
 type T;
@@ -62,8 +64,10 @@ v << function_match.f;
 @@
 
 msg = "WARNING: Violation to rule 21.2 (Should not used a reserved identifier) - {}".format(v)
-if v in ["remove", "rewind", "malloc", "free", "exp", "signal"]:
+with open("scripts/coccinelle/symbols.txt", "r") as fp:
- 	coccilib.report.print_report(p[0], msg)
+       symbols = fp.read().splitlines()
+       if v in symbols:
+               coccilib.report.print_report(p[0], msg)
 
 @function_parameter@
 type T1, T2;
@@ -82,5 +86,7 @@ p << function_parameter.p;
 @@
 
 msg = "WARNING: Violation to rule 21.2 (Should not used a reserved identifier) - {}".format(v)
-if v in ["remove", "rewind", "malloc", "free", "exp", "signal"]:
+with open("scripts/coccinelle/symbols.txt", "r") as fp:
- 	coccilib.report.print_report(p[0], msg)
+       symbols = fp.read().splitlines()
+       if v in symbols:
+               coccilib.report.print_report(p[0], msg)

scripts/coccinelle/symbols.txt

@@ -0,0 +1,293 @@
+abort
+abs
+acos
+asctime
+asctime_r
+asin
+assert
+atan
+atan2
+atexit
+atof
+atoi
+atol
+bsearch
+btowc
+calloc
+catclose6
+catgets6
+catopen6
+ceil
+clearerr
+clock
+cos
+cosh
+ctime
+ctime64
+ctime_r
+ctime64_r
+difftime
+difftime64
+div
+erf
+erfc
+exit
+exp
+fabs
+fclose
+fdopen5
+feof
+ferror
+fflush1
+fgetc1
+fgetpos1
+fgets1
+fgetwc6
+fgetws6
+fileno5
+floor
+fmod
+fopen
+fprintf
+fputc1
+fputs1
+fputwc6
+fputws6
+fread
+free
+freopen
+frexp
+fscanf
+fseek1
+fsetpos1
+ftell1
+fwide6
+fwprintf6
+fwrite
+fwscanf6
+gamma
+getc1
+getchar1
+getenv
+gets
+getwc6
+getwchar6
+gmtime
+gmtime64
+gmtime_r
+gmtime64_r
+hypot
+isalnum
+isalpha
+isascii4
+isblank
+iscntrl
+isdigit
+isgraph
+islower
+isprint
+ispunct
+isspace
+isupper
+iswalnum4
+iswalpha4
+iswblank4
+iswcntrl4
+iswctype4
+iswdigit4
+iswgraph4
+iswlower4
+iswprint4
+iswpunct4
+iswspace4
+iswupper4
+iswxdigit4
+isxdigit4
+j0
+j1
+jn
+labs
+ldexp
+ldiv
+localeconv
+localtime
+localtime64
+localtime_r
+localtime64_r
+log
+log10
+longjmp
+malloc
+mblen
+mbrlen4
+mbrtowc4
+mbsinit4
+mbsrtowcs4
+mbstowcs
+mbtowc
+memchr
+memcmp
+memcpy
+memmove
+memset
+mktime
+mktime64
+modf
+nextafter
+nextafterl
+nexttoward
+nexttowardl
+nl_langinfo4
+perror
+pow
+printf
+putc1
+putchar1
+putenv
+puts
+putwc6
+putwchar6
+qsort
+quantexpd32
+quantexpd64
+quantexpd128
+quantized32
+quantized64
+quantized128
+samequantumd32
+samequantumd64
+samequantumd128
+raise
+rand
+rand_r
+realloc
+regcomp
+regerror
+regexec
+regfree
+remove
+rename
+rewind1
+scanf
+setbuf
+setjmp
+setlocale
+setvbuf
+signal
+sin
+sinh
+snprintf
+sprintf
+sqrt
+srand
+sscanf
+strcasecmp
+strcat
+strchr
+strcmp
+strcoll
+strcpy
+strcspn
+strerror
+strfmon4
+strftime
+strlen
+strncasecmp
+strncat
+strncmp
+strncpy
+strpbrk
+strptime4
+strrchr
+strspn
+strstr
+strtod
+strtod32
+strtod64
+strtod128
+strtof
+strtok
+strtok_r
+strtol
+strtold
+strtoul
+strxfrm
+swprintf
+swscanf
+system
+tan
+tanh
+time
+time64
+tmpfile
+tmpnam
+toascii
+tolower
+toupper
+towctrans
+towlower4
+towupper4
+ungetc1
+ungetwc6
+va_arg
+va_copy
+va_end
+va_start
+vfprintf
+vfscanf
+vfwprintf6
+vfwscanf
+vprintf
+vscanf
+vsprintf
+vsnprintf
+vsscanf
+vswprintf
+vswscanf
+vwprintf6
+vwscanf
+wcrtomb4
+wcscat
+wcschr
+wcscmp
+wcscoll4
+wcscpy
+wcscspn
+wcsftime
+wcslen
+wcslocaleconv
+wcsncat
+wcsncmp
+wcsncpy
+wcspbrk
+wcsptime
+wcsrchr
+wcsrtombs4
+wcsspn
+wcsstr
+wcstod
+wcstod32
+wcstod64
+wcstod128
+wcstof
+wcstok
+wcstol
+wcstold
+wcstombs
+wcstoul
+wcsxfrm4
+wctob
+wctomb
+wctrans
+wctype4
+wcwidth
+wmemchr
+wmemcmp
+wmemcpy
+wmemmove
+wmemset
+wprintf6
+wscanf6
+y0
+y1
+yn