Holy cow, this is the oldest pacman-dev email still in my inbox. Anyone think this would still be useful? -Dan On Sat, Apr 14, 2007 at 3:20 PM, <leslie.polzer@gmx.net> wrote:

Hello,

 inlined diff (p0, hope that's not a problem) adds regex matching to alpm_list; useful for regular expressions in IgnorePkg etc.

I'll leave the actual usage up to you and hope it helps somehow :)

 Leslie

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Index: lib/libalpm/alpm_list.c =================================================================== RCS file: /home/cvs-pacman/pacman-lib/lib/libalpm/alpm_list.c,v retrieving revision 1.11 diff -a -p -u -r1.11 alpm_list.c --- lib/libalpm/alpm_list.c     11 Mar 2007 21:10:03 -0000      1.11 +++ lib/libalpm/alpm_list.c     14 Apr 2007 19:18:15 -0000 @@ -24,9 +24,11 @@  #include <stdlib.h>  #include <string.h>  #include <stdio.h> +#include <regex.h>

 /* libalpm */  #include "alpm_list.h" +#include "error.h"  #include "util.h"

 /** \defgroup alpm_list functions */ @@ -458,6 +460,39 @@ int SYMEXPORT alpm_list_find_str(alpm_li        return(0);  }

+/* Test for existence of a string in an alpm_list_t, treating the list + * elements as regular expressions +*/ +/** Is a _string_ in the list (optimization of alpm_list_find for strings) + *  @param needle the string to compare + *  @param haystack the list to search + *  @return 1 if `needle` is found, 0 otherwise + */ + +int SYMEXPORT alpm_list_find_str_regex(alpm_list_t *haystack, const char *needle) +{ +       alpm_list_t *lp = haystack; + +       while(lp) { +               if(lp->data) { +                       char* targ = lp->data; +                       regex_t reg; + +                       _alpm_log(PM_LOG_DEBUG, "matching needle '%s' against haystack item '%s'", +                                       needle, lp->data); + +                       if(regcomp(®, targ, REG_EXTENDED | REG_NOSUB | REG_ICASE | REG_NEWLINE) != 0) { +                               RET_ERR(PM_ERR_INVALID_REGEX, NULL); +                       } + +                       if (regexec(®, needle, 0, 0, 0) == 0) { +                               return(1); +                       } +               } +               lp = lp->next; +       } +       return(0); +}  /**  * Calculate the items in list `lhs` that are not present in list `rhs`  * @note Entries are not duplicated

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