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tool_urlglob.c: added some comments to clarify for loop conditions

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I was tempted to change those to >= 0 until I saw that this is
actually a for loop that terminates once i underflows.
This commit is contained in:
Marc Hoersken 2014-04-18 23:28:26 +02:00
parent e81bdab13e
commit 667d133dab
1 changed files with 2 additions and 0 deletions
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src/tool_urlglob.c
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@ -465,6 +465,7 @@ void glob_cleanup(URLGlob* glob)
size_t i; size_t i;
int elem; int elem;
/* the < condition is required since i underflows! */
for(i = glob->size - 1; i < glob->size; --i) { for(i = glob->size - 1; i < glob->size; --i) {
if((glob->pattern[i].type == UPTSet) && if((glob->pattern[i].type == UPTSet) &&
(glob->pattern[i].content.Set.elements)) { (glob->pattern[i].content.Set.elements)) {
@ -498,6 +499,7 @@ int glob_next_url(char **globbed, URLGlob *glob)
/* implement a counter over the index ranges of all patterns, /* implement a counter over the index ranges of all patterns,
starting with the rightmost pattern */ starting with the rightmost pattern */
/* the < condition is required since i underflows! */
for(i = glob->size - 1; carry && (i < glob->size); --i) { for(i = glob->size - 1; carry && (i < glob->size); --i) {
carry = FALSE; carry = FALSE;
pat = &glob->pattern[i]; pat = &glob->pattern[i];