From: Francois Fleuret <francois@fleuret.org>
Date: Wed, 1 Jul 2009 06:58:36 +0000 (+0200)
Subject: Now compiles with -pedantic.
X-Git-Url: https://www.fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=selector.git;a=commitdiff_plain;h=5f733b018c4c16c4cd6ccba602c742989f0ed215

Now compiles with -pedantic.
---

diff --git a/Makefile b/Makefile
index bdc1863..7e821fa 100644
--- a/Makefile
+++ b/Makefile
@@ -34,12 +34,12 @@ else
   OPTIMIZE_FLAG = -ggdb3 -O3
 endif
 
-CFLAGS = -DREVISION_NUMBER=$(REVISION_NUMBER) -Wall $(OPTIMIZE_FLAG)
+CFLAGS = -Wall -ansi -pedantic -DREVISION_NUMBER=$(REVISION_NUMBER) $(OPTIMIZE_FLAG)
 
 all: selector
 
 selector: selector.o
-	$(CC) $(CXXFLAGS) -o $@ $^ $(LDFLAGS)
+	$(CC) -o $@ $^ $(LDFLAGS)
 
 install: selector
 	install -m 755 selector $(BINARY_PATH)
diff --git a/selector.c b/selector.c
index c8ccb5c..6c0f7f5 100644
--- a/selector.c
+++ b/selector.c
@@ -44,7 +44,7 @@
 
 #define VERSION "1.0"
 
-const int buffer_size = 4096;
+#define BUFFER_SIZE 4096
 
 /* Yeah, global variables! */
 
@@ -70,11 +70,11 @@ int attr_modeline, attr_focus_line, attr_error;
 void inject_into_tty_buffer(char *string) {
   struct termios oldtio, newtio;
   const char *k;
+  const char control_q = '\021';
   tcgetattr(STDIN_FILENO, &oldtio);
   memset(&newtio, 0, sizeof(newtio));
   /* Set input mode (non-canonical, *no echo*,...) */
   tcsetattr(STDIN_FILENO, TCSANOW, &newtio);
-  const char control_q = '\021';
   /* Put the selected string in the tty input buffer */
   for(k = string; *k; k++) {
     if(add_control_qs && !(*k >= ' ' && *k <= '~')) {
@@ -227,7 +227,8 @@ void free_matcher(matcher_t *matcher) {
 void initialize_matcher(int use_regexp, int case_sensitive,
                         matcher_t *matcher, const char *pattern) {
   const char *s;
-  char *t;
+  char *t, *last_pattern_start;
+  int n;
 
   if(use_regexp) {
     matcher->nb_patterns = -1;
@@ -248,8 +249,8 @@ void initialize_matcher(int use_regexp, int case_sensitive,
 
     strcpy(matcher->splitted_patterns, pattern);
 
-    int n = 0;
-    char *last_pattern_start = matcher->splitted_patterns;
+    n = 0;
+    last_pattern_start = matcher->splitted_patterns;
     for(t = matcher->splitted_patterns; n < matcher->nb_patterns; t++) {
       if(*t == pattern_separator || *t == '\0') {
         *t = '\0';
@@ -266,7 +267,7 @@ void initialize_matcher(int use_regexp, int case_sensitive,
 void delete_char(char *buffer, int *position) {
   if(buffer[*position]) {
     int c = *position;
-    while(c < buffer_size && buffer[c]) {
+    while(c < BUFFER_SIZE && buffer[c]) {
       buffer[c] = buffer[c+1];
       c++;
     }
@@ -290,7 +291,7 @@ void backspace_char(char *buffer, int *position) {
 }
 
 void insert_char(char *buffer, int *position, char character) {
-  if(strlen(buffer) < buffer_size - 1) {
+  if(strlen(buffer) < BUFFER_SIZE - 1) {
     int c = *position;
     char t = buffer[c], u;
     while(t) {
@@ -358,16 +359,17 @@ void update_screen(int *current_focus_line, int *displayed_focus_line,
                    int cursor_position,
                    char *pattern) {
 
-  char buffer[buffer_size];
+  char buffer[BUFFER_SIZE];
   matcher_t matcher;
   int k, l, m;
+  int console_width, console_height;
+  int nb_printed_lines = 0;
+  int cursor_x;
 
   initialize_matcher(use_regexp, case_sensitive, &matcher, pattern);
 
-  int console_width = getmaxx(stdscr);
-  int console_height = getmaxy(stdscr);
-
-  int nb_printed_lines = 0;
+  console_width = getmaxx(stdscr);
+  console_height = getmaxy(stdscr);
 
   use_default_colors();
 
@@ -453,7 +455,7 @@ void update_screen(int *current_focus_line, int *displayed_focus_line,
         if(match(lines[l], &matcher)) {
           int k = 0;
 
-          while(lines[l][k] && k < buffer_size - 2 && k < console_width - 2) {
+          while(lines[l][k] && k < BUFFER_SIZE - 2 && k < console_width - 2) {
             buffer[k] = lines[l][k];
             k++;
           }
@@ -524,7 +526,7 @@ void update_screen(int *current_focus_line, int *displayed_focus_line,
   /* There must be a more elegant way of moving the cursor at a
      location met during display */
 
-  int cursor_x = 0;
+  cursor_x = 0;
 
   if(title) {
     addstr(title);
@@ -575,6 +577,7 @@ void update_screen(int *current_focus_line, int *displayed_focus_line,
 void store_line(const char *t,
                 int nb_lines_max, int *nb_lines, char **lines,
                 int hash_table_size, int *hash_table) {
+  int dup;
 
   /* Remove the zsh history prefix */
 
@@ -594,8 +597,6 @@ void store_line(const char *t,
   /* Check for duplicates with the hash table and insert the line in
      the list if necessary */
 
-  int dup;
-
   if(hash_table) {
     dup = add_and_get_previous_index(t, *nb_lines, lines, hash_table, hash_table_size);
   } else {
@@ -619,16 +620,19 @@ void read_file(const char *input_filename,
                int nb_lines_max, int *nb_lines, char **lines,
                int hash_table_size, int *hash_table) {
 
-  char raw_line[buffer_size];
+  char raw_line[BUFFER_SIZE];
+  int start, end, k;
+  FILE *file;
 
-  FILE *file = fopen(input_filename, "r");
+  file = fopen(input_filename, "r");
 
   if(!file) {
     fprintf(stderr, "Can not open `%s'.\n", input_filename);
     exit(1);
   }
 
-  int start = 0, end = 0, k;
+  start = 0;
+  end = 0;
 
   while(*nb_lines < nb_lines_max && (end > start || !feof(file))) {
     int eol = start;
@@ -641,13 +645,13 @@ void read_file(const char *input_filename,
       end -= start;
       eol -= start;
       start = 0;
-      end += fread(raw_line + end, sizeof(char), buffer_size - end, file);
+      end += fread(raw_line + end, sizeof(char), BUFFER_SIZE - end, file);
       while(eol < end && raw_line[eol] != '\n') eol++;
     }
 
-    if(eol == buffer_size) {
-      raw_line[buffer_size - 1] = '\0';
-      fprintf(stderr, "Line too long (max is %d characters):\n", buffer_size);
+    if(eol == BUFFER_SIZE) {
+      raw_line[BUFFER_SIZE - 1] = '\0';
+      fprintf(stderr, "Line too long (max is %d characters):\n", BUFFER_SIZE);
       fprintf(stderr, raw_line);
       fprintf(stderr, "\n");
       exit(1);
@@ -669,19 +673,26 @@ void read_file(const char *input_filename,
 
 int main(int argc, char **argv) {
 
-  if(!ttyname(STDIN_FILENO)) {
-    fprintf(stderr, "The standard input is not a tty.\n");
-    exit(1);
-  }
-
-  char input_filename[buffer_size], output_filename[buffer_size];
+  char input_filename[BUFFER_SIZE], output_filename[BUFFER_SIZE];
+  char pattern[BUFFER_SIZE];
   int i, k, l, n;
+  int cursor_position;
   int error = 0, show_help = 0;
   int rest_are_files = 0;
+  int key;
+  int current_focus_line, displayed_focus_line;
 
   int color_fg_modeline, color_bg_modeline;
   int color_fg_highlight, color_bg_highlight;
 
+  char **lines, **labels;
+  int nb_lines, hash_table_size, *hash_table;
+
+  if(!ttyname(STDIN_FILENO)) {
+    fprintf(stderr, "The standard input is not a tty.\n");
+    exit(1);
+  }
+
   color_fg_modeline  = COLOR_WHITE;
   color_bg_modeline  = COLOR_BLACK;
   color_fg_highlight = COLOR_BLACK;
@@ -697,7 +708,7 @@ int main(int argc, char **argv) {
 
     if(strcmp(argv[i], "-o") == 0) {
       check_opt(argc, argv, i, 1, "<output filename>");
-      strncpy(output_filename, argv[i+1], buffer_size);
+      strncpy(output_filename, argv[i+1], BUFFER_SIZE);
       i += 2;
     }
 
@@ -735,7 +746,7 @@ int main(int argc, char **argv) {
 
     else if(strcmp(argv[i], "-f") == 0) {
       check_opt(argc, argv, i, 1, "<input filename>");
-      strncpy(input_filename, argv[i+1], buffer_size);
+      strncpy(input_filename, argv[i+1], BUFFER_SIZE);
       i += 2;
     }
 
@@ -841,11 +852,11 @@ int main(int argc, char **argv) {
     exit(error);
   }
 
-  char **lines = (char **) malloc(nb_lines_max * sizeof(char *));
+  lines = (char **) malloc(nb_lines_max * sizeof(char *));
 
-  int nb_lines = 0;
-  int hash_table_size = nb_lines_max * 10;
-  int *hash_table = 0;
+  nb_lines = 0;
+  hash_table_size = nb_lines_max * 10;
+  hash_table = 0;
 
   if(remove_duplicates) {
     hash_table = new_hash_table(hash_table_size);
@@ -889,12 +900,13 @@ int main(int argc, char **argv) {
      label_separator and transform control characters to printable
      ones */
 
-  char **labels = (char **) malloc(nb_lines * sizeof(char *));
+  labels = (char **) malloc(nb_lines * sizeof(char *));
+
   for(l = 0; l < nb_lines; l++) {
     char *s, *t;
+    int e = 0;
     const char *u;
     t = lines[l];
-    int e = 0;
     while(*t && *t != label_separator) {
       u = unctrl(*t++);
       e += strlen(u);
@@ -909,10 +921,8 @@ int main(int argc, char **argv) {
     *s = '\0';
   }
 
-  char pattern[buffer_size];
   pattern[0] = '\0';
 
-  int cursor_position;
   cursor_position = 0;
 
   /* Here we start to display with curse */
@@ -955,19 +965,18 @@ int main(int argc, char **argv) {
 
   }
 
-  int key;
-  int current_focus_line = 0, displayed_focus_line = 0;
+  current_focus_line = 0;
+  displayed_focus_line = 0;
 
   update_screen(&current_focus_line, &displayed_focus_line,
                 0,
                 nb_lines, labels, cursor_position, pattern);
 
   do {
+    int motion = 0;
 
     key = getch();
 
-    int motion = 0;
-
     if(key >= ' ' && key <= '~') { /* Insert character */
       insert_char(pattern, &cursor_position, key);
     }