From: Francois Fleuret <francois@fleuret.org>
Date: Sun, 27 Jan 2013 14:31:13 +0000 (+0100)
Subject: Started the indexing part.
X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=mymail.git;a=commitdiff_plain;h=2784e69f483494bdaa06056a4384a85b410a4f6a

Started the indexing part.
---

diff --git a/mymail.c b/mymail.c
index ba446d2..da9bed1 100644
--- a/mymail.c
+++ b/mymail.c
@@ -42,6 +42,11 @@
 
 #define BUFFER_SIZE 16384
 
+struct parsable_field {
+  char *regexp;
+  char *db_filename;
+};
+
 /********************************************************************/
 
 /* malloc with error checking.  */
@@ -66,7 +71,9 @@ void usage(FILE *out) {
   fprintf(out, "\n");
 }
 
-void read_file(const char *input_filename) {
+void read_file(const char *input_filename,
+               int nb_fields_to_parse, struct parsable_field *fields_to_parse,
+               FILE **db_files) {
   char raw_line[BUFFER_SIZE];
   FILE *file;
   int in_header;
@@ -108,14 +115,19 @@ int ignore_entry(const char *name) {
     (name[0] == '.' && name[1] != '/');
 }
 
-void process_dir(const char *dir_name) {
+void process_entry(const char *dir_name,
+                   int nb_fields_to_parse, struct parsable_field *fields_to_parse,
+                   FILE **db_files) {
   DIR *dir;
   struct dirent *dir_e;
   struct stat sb;
   char subname[PATH_MAX + 1];
 
   if(lstat(dir_name, &sb) != 0) {
-    fprintf(stderr, "mymail: Can not stat \"%s\": %s\n", dir_name, strerror(errno));
+    fprintf(stderr,
+            "mymail: Can not stat \"%s\": %s\n",
+            dir_name,
+            strerror(errno));
     exit(EXIT_FAILURE);
   } else {
   }
@@ -131,14 +143,14 @@ void process_dir(const char *dir_name) {
     while((dir_e = readdir(dir))) {
       if(!ignore_entry(dir_e->d_name)) {
         snprintf(subname, PATH_MAX, "%s/%s", dir_name, dir_e->d_name);
-        process_dir(subname);
+        process_entry(subname, nb_fields_to_parse, fields_to_parse, db_files);
       }
     }
     closedir(dir);
   } else {
     if(S_ISREG(sb.st_mode)) {
       printf("Processing regular file '%s'.\n", dir_name);
-      read_file(dir_name);
+      read_file(dir_name, nb_fields_to_parse, fields_to_parse, db_files);
     }
   }
 }
@@ -157,13 +169,20 @@ static struct option long_options[] = {
   { 0, 0, 0, 0 }
 };
 
+static struct parsable_field fields_to_parse[] = {
+  { "^[Tt][Oo]:", "/tmp/mymail-to" }
+};
+
 int main(int argc, char **argv) {
   int error = 0, show_help = 0;
+  const int nb_fields_to_parse = sizeof(fields_to_parse) / sizeof(struct parsable_field);
   char c;
+  int f;
+  FILE **db_files;
 
   setlocale(LC_ALL, "");
 
-  while ((c = getopt_long(argc, argv, "o:s:x:vwmqf:ibzdeajyunt:r:l:c:-h",
+  while ((c = getopt_long(argc, argv, "h",
                           long_options, NULL)) != -1) {
 
     switch(c) {
@@ -188,10 +207,30 @@ int main(int argc, char **argv) {
     exit(EXIT_SUCCESS);
   }
 
+  db_files = safe_malloc(nb_fields_to_parse * sizeof(FILE *));
+
+  for(f = 0; f < nb_fields_to_parse; f++) {
+    db_files[f] = fopen(fields_to_parse[f].db_filename, "w");
+    if(!db_files[f]) {
+      fprintf(stderr,
+              "mymail: Can not open \"%s\" for writing: %s\n",
+              fields_to_parse[f].db_filename,
+              strerror(errno));
+    }
+  }
+
   while(optind < argc) {
-    process_dir(argv[optind]);
+    process_entry(argv[optind],
+                  nb_fields_to_parse, fields_to_parse,
+                  db_files);
     optind++;
   }
 
+  for(f = 0; f < nb_fields_to_parse; f++) {
+    fclose(db_files[f]);
+  }
+
+  free(db_files);
+
   exit(EXIT_SUCCESS);
 }