serval-dna/check-in-out-return.c
Andrew Bettison 9b64bb87e0 Uniform copyright notices
Added some missing copyright/license block comments
2013-12-04 17:15:36 +10:30

81 lines
2.1 KiB
C

/*
Serval DNA source code checker
Copyright 2013 Serval Project Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <stdio.h>
#include <string.h>
int line_count=0;
char *filename=NULL;
int dofile(char *file)
{
FILE *f=fopen(file,"r");
char line[1024];
if (filename) free(filename);
filename=strdup(file);
line_count=0;
int depth=0;
int inoutActive=0;
int savedActive=0;
int commentMode=0;
int quoteMode=0;
line[0]=0; fgets(line,1024,f);
while(line[0]) {
line_count++;
int i;
for(i=0;i<strlen(line);i++) {
if (!strncmp(&line[i],"//",2)) break;
if (!strncmp(&line[i],"/*",2)) commentMode=1;
if (!strncmp(&line[i],"*/",2)) commentMode=0;
if (!strncmp(&line[i],"\"",1)) quoteMode^=1;
if (commentMode||quoteMode) continue;
if (line[i]=='{') depth++;
if (line[i]=='}') {
if (depth>0) depth--;
if (!depth) {
if (inoutActive)
fprintf(stderr,"%s:%d:Leaving function without OUT() or RETURN?\n",
filename,line_count);
inoutActive=0;
savedActive=0;
} else inoutActive=savedActive;
}
if (!strncmp(&line[i],"IN()",4)) { inoutActive=1; savedActive=1; }
if (!strncmp(&line[i],"OUT()",5)) inoutActive=0;
if (inoutActive&&
(!strncmp(&line[i],"return",6)))
{
fprintf(stderr,
"%s:%d:Called return instead of RETURN in function with IN()\n",
filename,line_count);
}
}
line[0]=0; fgets(line,1024,f);
}
}
int main(int argc,char **argv)
{
int i;
for(i=1;i<argc;i++) dofile(argv[i]);
}