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cwrapper: avoid surplus strlen calculations.

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* build-aux/ltmain.m4sh (func_emit_cwrapperexe_src:lt_update_exe_path):
Avoid surplus strlen calculations.

Signed-off-by: Peter Rosin <peda@lysator.liu.se>
This commit is contained in:
Peter Rosin 2012-01-30 15:49:05 +01:00 committed by Gary V. Vaughan
parent 822881fe3c
commit baffe66191
1 changed files with 2 additions and 2 deletions
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build-aux/ltmain.m4sh
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@ -4153,9 +4153,9 @@ lt_update_exe_path (const char *name, const char *value)
char *new_value = lt_extend_str (getenv (name), value, 0);
/* some systems can't cope with a ':'-terminated path #' */
int len = strlen (new_value);
while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1]))
while ((len > 0) && IS_PATH_SEPARATOR (new_value[len-1]))
{
new_value[len-1] = '\0';
new_value[--len] = '\0';
}
lt_setenv (name, new_value);
XFREE (new_value);