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BUG: Windows_ShellArgument: need to escape if the string contains one of a set of special characters as well as spaces. Moved test for needing escapes to a separate method kwsysSystemWindowsShellArgumentNeedsEscape.

This commit is contained in:
Brad King 2006-09-21 14:46:40 -04:00
parent f0050269ea
commit d5d8687d16
1 changed files with 29 additions and 24 deletions
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53
Source/kwsys/System.c
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@ -22,6 +22,25 @@
#include <string.h> /* strlen */
/*--------------------------------------------------------------------------*/
static int kwsysSystemWindowsShellArgumentNeedsEscape(const char* in)
{
/* Scan the string for characters that need escaping. Note that
single quotes seem to need escaping for some windows shell
environments (mingw32-make shell for example). Single quotes do
not actually need backslash escapes but must be in a
double-quoted argument. */
const char* c;
for(c=in; *c; ++c)
{
if(*c == ' ' || *c == '\t' || *c == '"' || *c == '\'')
{
return 1;
}
}
return 0;
}
/*--------------------------------------------------------------------------*/
int kwsysSystem_Windows_ShellArgumentSize(const char* in)
{
@ -29,21 +48,14 @@ int kwsysSystem_Windows_ShellArgumentSize(const char* in)
either a terminating null or a separating space. */
int length = (int)strlen(in) + 1;
/* String iterator. */
const char* c;
/* Keep track of how many backslashes have been encountered in a row. */
int backslashes = 0;
/* Scan the string for spaces. */
const char* c;
for(c=in; *c; ++c)
{
if(*c == ' ' || *c == '\t')
{
break;
}
}
/* If there are no spaces, we do not need any extra length. */
if(!*c)
/* If nothing needs escaping, we do not need any extra length. */
if(!kwsysSystemWindowsShellArgumentNeedsEscape(in))
{
return length;
}
@ -84,21 +96,14 @@ int kwsysSystem_Windows_ShellArgumentSize(const char* in)
/*--------------------------------------------------------------------------*/
char* kwsysSystem_Windows_ShellArgument(const char* in, char* out)
{
/* String iterator. */
const char* c;
/* Keep track of how many backslashes have been encountered in a row. */
int backslashes = 0;
/* Scan the string for spaces. */
const char* c;
for(c=in; *c; ++c)
{
if(*c == ' ' || *c == '\t')
{
break;
}
}
/* If there are no spaces, we can pass the argument verbatim. */
if(!*c)
/* If nothing needs escaping, we can pass the argument verbatim. */
if(!kwsysSystemWindowsShellArgumentNeedsEscape(in))
{
/* Just copy the string. */
for(c=in; *c; ++c)