From: Francois Fleuret Date: Sun, 27 Jan 2013 23:20:25 +0000 (+0100) Subject: Embryo of search seems to work. X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=commitdiff_plain;h=72cd948c9f36ae5e79bf3317aa4e2cda0232c9ee;p=mymail.git Embryo of search seems to work. --- diff --git a/mymail.c b/mymail.c index 25121a4..877215c 100644 --- a/mymail.c +++ b/mymail.c @@ -71,6 +71,48 @@ void usage(FILE *out) { fprintf(out, "\n"); } +/*********************************************************************/ + +void search_in_db(const char *search_name, const char *search_regexp_string, + FILE *db_file) { + char raw_line[BUFFER_SIZE]; + char current_mail[BUFFER_SIZE]; + char *name, *value; + regex_t regexp; + + if(regcomp(®exp, + search_regexp_string, + REG_ICASE)) { + fprintf(stderr, + "mymail: Syntax error in regexp \"%s\" for field \"%s\".\n", + search_regexp_string, + search_name); + exit(EXIT_FAILURE); + } + + while(fgets(raw_line, BUFFER_SIZE, db_file)) { + name = raw_line; + value = raw_line; + while(*value && *value != ' ') value++; + *value = '\0'; value++; + while(*value && *value == ' ') value++; + + /* printf("LINE [%s] %s", name, value); */ + + if(strcmp("mail", name) == 0) { + strcpy(current_mail, value); + /* printf("READING [%s]\n", current_mail); */ + } else { + if(strcmp(search_name, name) == 0 && regexec(®exp, value, 0, 0, 0) == 0) { + printf("%s", current_mail); + } + } + } +} + + +/*********************************************************************/ + void read_file(const char *input_filename, int nb_fields_to_parse, struct parsable_field *fields_to_parse, FILE *db_file) { @@ -306,22 +348,37 @@ int main(int argc, char **argv) { else { if(search_pattern) { + FILE *db_file; char *search_name; - char *search_regexp; + char *search_regexp_string; search_name = search_pattern; - search_regexp = search_pattern; - while(*search_regexp && *search_regexp != ' ') search_regexp++; - *search_regexp = '\0'; search_regexp++; - while(*search_regexp && *search_regexp == ' ') search_regexp++; - if(!*search_regexp) { + search_regexp_string = search_pattern; + while(*search_regexp_string && *search_regexp_string != ' ') search_regexp_string++; + *search_regexp_string = '\0'; search_regexp_string++; + while(*search_regexp_string && *search_regexp_string == ' ') search_regexp_string++; + if(!*search_regexp_string) { fprintf(stderr, "Syntax error in the search pattern.\n"); exit(EXIT_FAILURE); } + printf("Starting search in %s for field \"%s\" matching \"%s\".\n", db_filename, search_name, - search_regexp); + search_regexp_string); + + db_file = fopen(db_filename, "r"); + + if(!db_file) { + fprintf(stderr, + "mymail: Can not open \"%s\" for reading: %s\n", + db_filename, + strerror(errno)); + exit(EXIT_FAILURE); + } + search_in_db(search_name, search_regexp_string, db_file); + + fclose(db_file); free(search_pattern); } }