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Improve handling of different lengths in check_extensions

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This commit is contained in:
bnnm 2017-03-10 17:57:28 +01:00
parent 663cb43b3f
commit ae26d35f0c
1 changed files with 8 additions and 2 deletions
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10
src/streamfile.c
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@ -457,7 +457,7 @@ int check_extensions(STREAMFILE *streamFile, const char * cmp_exts) {
char filename[PATH_LIMIT];
const char * ext = NULL;
const char * cmp_ext = NULL;
size_t ext_len;
int ext_len, cmp_len;
streamFile->get_name(streamFile,filename,sizeof(filename));
ext = filename_extension(filename);
@ -465,11 +465,17 @@ int check_extensions(STREAMFILE *streamFile, const char * cmp_exts) {
cmp_ext = cmp_exts;
do {
if (strncasecmp(ext,cmp_ext, ext_len)==0 )
cmp_len = strstr(cmp_ext, ",") - cmp_ext; /* find next ext; becomes negative if not found */
if (cmp_len < 0)
cmp_len = strlen(cmp_ext); /* total length if more not found */
if (strncasecmp(ext,cmp_ext, ext_len) == 0 && ext_len == cmp_len)
return 1;
cmp_ext = strstr(cmp_ext, ",");
if (cmp_ext != NULL)
cmp_ext = cmp_ext + 1; /* skip comma */
} while (cmp_ext != NULL);
return 0;