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[MAN] AnalyzeArgv(): Fix 2 overruns related to element (#703)

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- Also use _countof().
- Also add braces.
- Also enforce consistent "no spaces" style.

Thanks to "devpao" for pointing to this function.

ROSAPPS-344
This commit is contained in:
Serge Gautherie 2018-07-27 21:53:50 +02:00 committed by Hermès BÉLUSCA - MAÏTO
parent 65a5a989c5
commit d69d401325
1 changed files with 11 additions and 4 deletions
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15
modules/rosapps/applications/sysutils/man/man.c
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@ -88,7 +88,7 @@ Usage()
int
AnalyzeArgv(char *argument)
{
int element=0;
int element;
char HelpFlag=0;
char *keys[]={"--help","/h","/?","-h"};
char *sections[]={".1",".2",".3",".4",".5",".6",".7",".8",".9"};
@ -96,25 +96,32 @@ AnalyzeArgv(char *argument)
strcpy(filename,argument); //save argument value
for(element=0; element < 5;element++)
for(element=0;element<_countof(keys);element++)
{
if(!strcmp(keys[element],argument))
{
Usage();
HelpFlag=1;
}
}
element = 0;
if(!HelpFlag)
{
if(OpenF(filename))
while(OpenF(strcat(filename,sections[element])) && (element<9))
{
while(element<_countof(sections)&&OpenF(strcat(filename,sections[element])))
{
strcpy(filename,argument);
element++;
}
if(element>8) printf("No manual for %s\n",argument);
if(element>=_countof(sections)) printf("No manual for %s\n",argument);
}
}
return element;
}