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Fix excludes pattern matching

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This commit is contained in:
Martin Lund 2024-04-27 01:31:35 +02:00
parent 6e779a0520
commit c61d56935b
3 changed files with 18 additions and 50 deletions
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60
src/misc.c
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@ -33,6 +33,7 @@
#include <errno.h>
#include <sys/poll.h>
#include <termios.h>
#include <fnmatch.h>
#include "error.h"
#include "print.h"
#include "options.h"
@ -179,66 +180,33 @@ double get_current_time(void)
return current_time_ts.tv_sec + current_time_ts.tv_nsec / 1e9;
}
// Function to match string with comma separated patterns which supports '*' and '?'
static bool is_match(const char *str, const char *pattern)
bool match_patterns(const char *string, const char *patterns)
{
// If both string and pattern reach end, they match
if (*str == '\0' && *pattern == '\0')
{
return true;
}
char *pattern;
char *patterns_copy;
// If pattern reaches end but string has characters left, no match
if (*pattern == '\0')
if ((string == NULL) || (patterns == NULL))
{
return false;
}
// If current characters match or pattern has '?', move to the next character in both
if (*str == *pattern || *pattern == '?')
{
return is_match(str + 1, pattern + 1);
}
patterns_copy = strdup(patterns);
// If current pattern character is '*', check for matches by moving string or pattern
if (*pattern == '*')
// Tokenize the patterns string using strtok
pattern = strtok(patterns_copy, ",");
while (pattern != NULL)
{
// '*' matches zero or more characters, so try all possibilities
// Move pattern to the next character and check if remaining pattern matches remaining string
// Move string to the next character and check if current pattern matches remaining string
return is_match(str, pattern + 1) || is_match(str + 1, pattern);
}
// No match
return false;
}
bool match_any_pattern(const char *str, const char *patterns)
{
if ((str == NULL) || (patterns == NULL))
{
return false;
}
char *patterns_copy = strdup(patterns);
if (patterns_copy == NULL)
{
tio_error_print("Memory allocation failed");
exit(EXIT_FAILURE);
}
char *token = strtok(patterns_copy, ",");
while (token != NULL)
{
if (is_match(str, token))
// Check if the string matches the current pattern
if (fnmatch(pattern, string, 0) == 0)
{
free(patterns_copy);
return true;
}
token = strtok(NULL, ",");
// Move to the next pattern
pattern = strtok(NULL, ",");
}
free(patterns_copy);
return false;
}