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tool_urlglob.c: reverse two loops

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By counting from 0 and up instead of backwards like before, we remove
the need for the "funny" check of the unsigned variable when decreased
passed zero. Easier to read and less risk for compiler warnings.
This commit is contained in:
Daniel Stenberg 2014-12-14 23:32:53 +01:00
parent 64854c0364
commit dc19789444
1 changed files with 8 additions and 10 deletions
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18
src/tool_urlglob.c
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@ -465,8 +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 = 0; i < glob->size; i++) {
for(i = glob->size - 1; (i >= 0) && (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)) {
for(elem = glob->pattern[i].content.Set.size - 1; for(elem = glob->pattern[i].content.Set.size - 1;
@ -485,7 +484,6 @@ int glob_next_url(char **globbed, URLGlob *glob)
{ {
URLPattern *pat; URLPattern *pat;
size_t i; size_t i;
size_t j;
size_t len; size_t len;
size_t buflen = glob->urllen + 1; size_t buflen = glob->urllen + 1;
char *buf = glob->glob_buffer; char *buf = glob->glob_buffer;
@ -498,9 +496,8 @@ int glob_next_url(char **globbed, URLGlob *glob)
bool carry = TRUE; bool carry = TRUE;
/* 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 leftmost pattern */
/* the < condition is required since i underflows! */ for(i = 0; carry && (i < glob->size); i++) {
for(i = glob->size - 1; carry && (i >= 0) && (i < glob->size); --i) {
carry = FALSE; carry = FALSE;
pat = &glob->pattern[i]; pat = &glob->pattern[i];
switch (pat->type) { switch (pat->type) {
@ -512,8 +509,9 @@ int glob_next_url(char **globbed, URLGlob *glob)
} }
break; break;
case UPTCharRange: case UPTCharRange:
pat->content.CharRange.ptr_c = (char)(pat->content.CharRange.step + pat->content.CharRange.ptr_c =
(int)((unsigned char)pat->content.CharRange.ptr_c)); (char)(pat->content.CharRange.step +
(int)((unsigned char)pat->content.CharRange.ptr_c));
if(pat->content.CharRange.ptr_c > pat->content.CharRange.max_c) { if(pat->content.CharRange.ptr_c > pat->content.CharRange.max_c) {
pat->content.CharRange.ptr_c = pat->content.CharRange.min_c; pat->content.CharRange.ptr_c = pat->content.CharRange.min_c;
carry = TRUE; carry = TRUE;
@ -537,8 +535,8 @@ int glob_next_url(char **globbed, URLGlob *glob)
} }
} }
for(j = 0; j < glob->size; ++j) { for(i = 0; i < glob->size; ++i) {
pat = &glob->pattern[j]; pat = &glob->pattern[i];
switch(pat->type) { switch(pat->type) {
case UPTSet: case UPTSet:
if(pat->content.Set.elements) { if(pat->content.Set.elements) {