Einfaches Textdokument attachment (20110127-1-less-magic-for-regex.diff)
Signed-off-by: Patrick Georgi <patrick.georgi(a)secunet.com>
Index: nvramtool/input_file.c
===================================================================
--- nvramtool.orig/input_file.c
+++ nvramtool/input_file.c
@@ -88,8 +88,8 @@ cmos_write_t *process_input_file(FILE *
list = NULL;
p = &list;
- compile_reg_exprs(REG_EXTENDED | REG_NEWLINE, 2, blank_or_comment_regex,
- &blank_or_comment, assignment_regex, &assignment);
+ compile_reg_expr(REG_EXTENDED | REG_NEWLINE, blank_or_comment_regex, &blank_or_comment);
+ compile_reg_expr(REG_EXTENDED | REG_NEWLINE, assignment_regex, &assignment);
/* each iteration processes one line from input file */
for (line_num = 1; get_input_file_line(f, line, LINE_BUF_SIZE) == OK; line_num++) { /* skip comments and blank lines */
@@ -142,7 +142,8 @@ cmos_write_t *process_input_file(FILE *
p = &item->next;
}
- free_reg_exprs(2, &blank_or_comment, &assignment);
+ regfree(&blank_or_comment);
+ regfree(&assignment);
return list;
}
Index: nvramtool/layout_file.c
===================================================================
--- nvramtool.orig/layout_file.c
+++ nvramtool/layout_file.c
@@ -262,14 +262,13 @@ void write_cmos_layout(FILE * f)
****************************************************************************/
static void process_layout_file(FILE * f)
{
- compile_reg_exprs(REG_EXTENDED | REG_NEWLINE, 7,
- blank_or_comment_regex, &blank_or_comment_expr,
- start_entries_regex, &start_entries_expr,
- entries_line_regex, &entries_line_expr,
- start_enums_regex, &start_enums_expr,
- enums_line_regex, &enums_line_expr,
- start_checksums_regex, &start_checksums_expr,
- checksum_line_regex, &checksum_line_expr);
+ compile_reg_expr(REG_EXTENDED | REG_NEWLINE, blank_or_comment_regex, &blank_or_comment_expr);
+ compile_reg_expr(REG_EXTENDED | REG_NEWLINE, start_entries_regex, &start_entries_expr);
+ compile_reg_expr(REG_EXTENDED | REG_NEWLINE, entries_line_regex, &entries_line_expr);
+ compile_reg_expr(REG_EXTENDED | REG_NEWLINE, start_enums_regex, &start_enums_expr);
+ compile_reg_expr(REG_EXTENDED | REG_NEWLINE, enums_line_regex, &enums_line_expr);
+ compile_reg_expr(REG_EXTENDED | REG_NEWLINE, start_checksums_regex, &start_checksums_expr);
+ compile_reg_expr(REG_EXTENDED | REG_NEWLINE, checksum_line_regex, &checksum_line_expr);
line_num = 1;
skip_past_start(f);
@@ -322,10 +321,13 @@ static void process_layout_file(FILE * f
*/
skip_remaining_lines(f);
- free_reg_exprs(7, &blank_or_comment_expr, &start_entries_expr,
- &entries_line_expr, &start_enums_expr,
- &enums_line_expr, &start_checksums_expr,
- &checksum_line_expr);
+ regfree(&blank_or_comment_expr);
+ regfree(&start_entries_expr);
+ regfree(&entries_line_expr);
+ regfree(&start_enums_expr);
+ regfree(&enums_line_expr);
+ regfree(&start_checksums_expr);
+ regfree(&checksum_line_expr);
}
/****************************************************************************
Index: nvramtool/reg_expr.c
===================================================================
--- nvramtool.orig/reg_expr.c
+++ nvramtool/reg_expr.c
@@ -33,50 +33,20 @@
#include "reg_expr.h"
/****************************************************************************
- * compile_reg_exprs
+ * compile_reg_expr
*
- * Compile a bunch of regular expressions.
+ * Compile a regular expression.
****************************************************************************/
-void compile_reg_exprs(int cflags, int num_exprs,
- /* const char *expr1, regex_t *reg1, */ ...)
+void compile_reg_expr(int cflags, const char *expr, regex_t *reg)
{
static const size_t ERROR_BUF_SIZE = 256;
char error_msg[ERROR_BUF_SIZE];
- va_list ap;
- regex_t *reg;
- const char *expr;
- int i, result;
+ int result;
- va_start(ap, num_exprs);
-
- for (i = 0; i < num_exprs; i++) {
- expr = va_arg(ap, const char *);
- reg = va_arg(ap, regex_t *);
-
- if ((result = regcomp(reg, expr, cflags)) != 0) {
- regerror(result, reg, error_msg, ERROR_BUF_SIZE);
- fprintf(stderr, "%s: %s\n", prog_name, error_msg);
- exit(1);
- }
+ if ((result = regcomp(reg, expr, cflags)) != 0) {
+ regerror(result, reg, error_msg, ERROR_BUF_SIZE);
+ fprintf(stderr, "%s: %s\n", prog_name, error_msg);
+ exit(1);
}
-
- va_end(ap);
}
-/****************************************************************************
- * free_reg_exprs
- *
- * Destroy a bunch of previously compiled regular expressions.
- ****************************************************************************/
-void free_reg_exprs(int num_exprs, /* regex_t *reg1, */ ...)
-{
- va_list ap;
- int i;
-
- va_start(ap, num_exprs);
-
- for (i = 0; i < num_exprs; i++)
- regfree(va_arg(ap, regex_t *));
-
- va_end(ap);
-}
Index: nvramtool/reg_expr.h
===================================================================
--- nvramtool.orig/reg_expr.h
+++ nvramtool/reg_expr.h
@@ -34,8 +34,6 @@
#include <regex.h>
#include "common.h"
-void compile_reg_exprs(int cflags, int num_exprs,
- /* const char *expr1, regex_t *reg1, */ ...);
-void free_reg_exprs(int num_exprs, /* regex_t *reg1, */ ...);
+void compile_reg_expr(int cflags, const char *expr, regex_t *reg);
#endif /* REG_EXPR_H */