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2252fdcaa7
OUT()s or where return() is used instead of RETURN(). Added OUT() to end of all functions using IN() that lacked it to make it easier to statically analyse this invariant. Fixed several return instead of RETURNs detected through use of this tool. #49
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
#include <stdio.h>
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#include <string.h>
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int line_count=0;
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char *filename=NULL;
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int dofile(char *file)
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{
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FILE *f=fopen(file,"r");
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char line[1024];
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if (filename) free(filename);
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filename=strdup(file);
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line_count=0;
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int depth=0;
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int inoutActive=0;
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int savedActive=0;
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int commentMode=0;
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int quoteMode=0;
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line[0]=0; fgets(line,1024,f);
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while(line[0]) {
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line_count++;
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int i;
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for(i=0;i<strlen(line);i++) {
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if (!strncmp(&line[i],"//",2)) break;
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if (!strncmp(&line[i],"/*",2)) commentMode=1;
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if (!strncmp(&line[i],"*/",2)) commentMode=0;
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if (!strncmp(&line[i],"\"",1)) quoteMode^=1;
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if (commentMode||quoteMode) continue;
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if (line[i]=='{') depth++;
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if (line[i]=='}') {
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if (depth>0) depth--;
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if (!depth) {
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if (inoutActive)
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fprintf(stderr,"%s:%d:Leaving function without OUT() or RETURN?\n",
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filename,line_count);
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inoutActive=0;
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savedActive=0;
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} else inoutActive=savedActive;
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}
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if (!strncmp(&line[i],"IN()",4)) { inoutActive=1; savedActive=1; }
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if (!strncmp(&line[i],"OUT()",5)) inoutActive=0;
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if (inoutActive&&
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(!strncmp(&line[i],"return",6)))
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{
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fprintf(stderr,
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"%s:%d:Called return instead of RETURN in function with IN()\n",
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filename,line_count);
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}
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}
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line[0]=0; fgets(line,1024,f);
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}
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}
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int main(int argc,char **argv)
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{
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int i;
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for(i=1;i<argc;i++) dofile(argv[i]);
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}
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