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function CheckExtension from PHP 1.0.8
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// original | |
int CheckExtension (char *filename, char *ext) | |
{ | |
char *s; | |
if (!filename) return(0); | |
if (strlen(filename) == 0) return(0); | |
s = strrchr(filename,'.'); | |
if (!s) return(0); | |
if (!strcmp(s,ext)) return(1); | |
return(0); | |
} |
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// my take at readable C | |
int CheckExtension (char *filename, char *ext) | |
{ | |
char *s; | |
return filename | |
&& strlen(filename) | |
&& (s = strrchr(filename,'.')) | |
&& strcmp(s,ext); | |
} |
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; high level goodness | |
(defn check-extension [filename extension] | |
(= extension | |
(second (re-matches (re-pattern (str ".*[.](" extension ")")) | |
filename)))) |
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