From 74ca21a41bcb5a49d19e65c9ba88f1f864cb7095 Mon Sep 17 00:00:00 2001
From: "Rafael G. Martins" <rafael@rafaelmartins.eng.br>
Date: Sat, 3 Sep 2016 19:57:54 +0200
Subject: *: big code reorganization.

- source and tests are now splitted by target
- utils lib is now called common

still pending move error.c from blogc to common
---
 src/utils.c | 645 ------------------------------------------------------------
 1 file changed, 645 deletions(-)
 delete mode 100644 src/utils.c

(limited to 'src/utils.c')

diff --git a/src/utils.c b/src/utils.c
deleted file mode 100644
index b42ae4e..0000000
--- a/src/utils.c
+++ /dev/null
@@ -1,645 +0,0 @@
-/*
- * blogc: A blog compiler.
- * Copyright (C) 2014-2016 Rafael G. Martins <rafael@rafaelmartins.eng.br>
- *
- * This program can be distributed under the terms of the BSD License.
- * See the file LICENSE.
- */
-
-#define SB_STRING_CHUNK_SIZE 128
-
-#include <string.h>
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "utils.h"
-
-
-void*
-sb_malloc(size_t size)
-{
-    // simple things simple!
-    void *rv = malloc(size);
-    if (rv == NULL) {
-        fprintf(stderr, "fatal: Failed to allocate memory!\n");
-        abort();
-    }
-    return rv;
-}
-
-
-void*
-sb_realloc(void *ptr, size_t size)
-{
-    // simple things even simpler :P
-    void *rv = realloc(ptr, size);
-    if (rv == NULL && size != 0) {
-        fprintf(stderr, "fatal: Failed to reallocate memory!\n");
-        free(ptr);
-        abort();
-    }
-    return rv;
-}
-
-
-sb_slist_t*
-sb_slist_append(sb_slist_t *l, void *data)
-{
-    sb_slist_t *node = sb_malloc(sizeof(sb_slist_t));
-    node->data = data;
-    node->next = NULL;
-    if (l == NULL) {
-        l = node;
-    }
-    else {
-        sb_slist_t *tmp;
-        for (tmp = l; tmp->next != NULL; tmp = tmp->next);
-        tmp->next = node;
-    }
-    return l;
-}
-
-
-sb_slist_t*
-sb_slist_prepend(sb_slist_t *l, void *data)
-{
-    sb_slist_t *node = sb_malloc(sizeof(sb_slist_t));
-    node->data = data;
-    node->next = l;
-    l = node;
-    return l;
-}
-
-
-void
-sb_slist_free_full(sb_slist_t *l, sb_free_func_t free_func)
-{
-    while (l != NULL) {
-        sb_slist_t *tmp = l->next;
-        if ((free_func != NULL) && (l->data != NULL))
-            free_func(l->data);
-        free(l);
-        l = tmp;
-    }
-}
-
-
-void
-sb_slist_free(sb_slist_t *l)
-{
-    sb_slist_free_full(l, NULL);
-}
-
-
-size_t
-sb_slist_length(sb_slist_t *l)
-{
-    if (l == NULL)
-        return 0;
-    size_t i;
-    sb_slist_t *tmp;
-    for (tmp = l, i = 0; tmp != NULL; tmp = tmp->next, i++);
-    return i;
-}
-
-
-char*
-sb_strdup(const char *s)
-{
-    if (s == NULL)
-        return NULL;
-    size_t l = strlen(s);
-    char *tmp = malloc(l + 1);
-    if (tmp == NULL)
-        return NULL;
-    memcpy(tmp, s, l + 1);
-    return tmp;
-}
-
-
-char*
-sb_strndup(const char *s, size_t n)
-{
-    if (s == NULL)
-        return NULL;
-    size_t l = strnlen(s, n);
-    char *tmp = malloc(l + 1);
-    if (tmp == NULL)
-        return NULL;
-    memcpy(tmp, s, l);
-    tmp[l] = '\0';
-    return tmp;
-}
-
-
-char*
-sb_strdup_vprintf(const char *format, va_list ap)
-{
-    va_list ap2;
-    va_copy(ap2, ap);
-    int l = vsnprintf(NULL, 0, format, ap2);
-    va_end(ap2);
-    if (l < 0)
-        return NULL;
-    char *tmp = malloc(l + 1);
-    if (!tmp)
-        return NULL;
-    int l2 = vsnprintf(tmp, l + 1, format, ap);
-    if (l2 < 0) {
-        free(tmp);
-        return NULL;
-    }
-    return tmp;
-}
-
-
-char*
-sb_strdup_printf(const char *format, ...)
-{
-    va_list ap;
-    va_start(ap, format);
-    char *tmp = sb_strdup_vprintf(format, ap);
-    va_end(ap);
-    return tmp;
-}
-
-
-bool
-sb_str_starts_with(const char *str, const char *prefix)
-{
-    int str_l = strlen(str);
-    int str_lp = strlen(prefix);
-    if (str_lp > str_l)
-        return false;
-    return strncmp(str, prefix, str_lp) == 0;
-}
-
-
-bool
-sb_str_ends_with(const char *str, const char *suffix)
-{
-    int str_l = strlen(str);
-    int str_ls = strlen(suffix);
-    if (str_ls > str_l)
-        return false;
-    return strcmp(str + str_l - str_ls, suffix) == 0;
-}
-
-
-char*
-sb_str_lstrip(char *str)
-{
-    if (str == NULL)
-        return NULL;
-    int i;
-    size_t str_len = strlen(str);
-    for (i = 0; i < str_len; i++) {
-        if ((str[i] != ' ') && (str[i] != '\t') && (str[i] != '\n') &&
-            (str[i] != '\r') && (str[i] != '\t') && (str[i] != '\f') &&
-            (str[i] != '\v'))
-        {
-            str += i;
-            break;
-        }
-        if (i == str_len - 1) {
-            str += str_len;
-            break;
-        }
-    }
-    return str;
-}
-
-
-char*
-sb_str_rstrip(char *str)
-{
-    if (str == NULL)
-        return NULL;
-    int i;
-    size_t str_len = strlen(str);
-    for (i = str_len - 1; i >= 0; i--) {
-        if ((str[i] != ' ') && (str[i] != '\t') && (str[i] != '\n') &&
-            (str[i] != '\r') && (str[i] != '\t') && (str[i] != '\f') &&
-            (str[i] != '\v'))
-        {
-            str[i + 1] = '\0';
-            break;
-        }
-        if (i == 0) {
-            str[0] = '\0';
-            break;
-        }
-    }
-    return str;
-}
-
-
-char*
-sb_str_strip(char *str)
-{
-    return sb_str_lstrip(sb_str_rstrip(str));
-}
-
-
-char**
-sb_str_split(const char *str, char c, unsigned int max_pieces)
-{
-    if (str == NULL)
-        return NULL;
-    char **rv = sb_malloc(sizeof(char*));
-    unsigned int i, start = 0, count = 0;
-    for (i = 0; i < strlen(str) + 1; i++) {
-        if (str[0] == '\0')
-            break;
-        if ((str[i] == c && (!max_pieces || count + 1 < max_pieces)) || str[i] == '\0') {
-            rv = sb_realloc(rv, (count + 1) * sizeof(char*));
-            rv[count] = sb_malloc(i - start + 1);
-            memcpy(rv[count], str + start, i - start);
-            rv[count++][i - start] = '\0';
-            start = i + 1;
-        }
-    }
-    rv = sb_realloc(rv, (count + 1) * sizeof(char*));
-    rv[count] = NULL;
-    return rv;
-}
-
-
-char*
-sb_str_replace(const char *str, const char search, const char *replace)
-{
-    char **pieces = sb_str_split(str, search, 0);
-    if (pieces == NULL)
-        return NULL;
-    char* rv = sb_strv_join(pieces, replace);
-    sb_strv_free(pieces);
-    if (rv == NULL)
-        return sb_strdup(str);
-    return rv;
-}
-
-
-char*
-sb_str_find(const char *str, char c)
-{
-    // this is somewhat similar to strchr, but respects '\' escaping.
-    if (str == NULL)
-        return NULL;
-    if (c == '\0')
-        return (char*) str + strlen(str);
-    for (size_t i = 0; str[i] != '\0'; i++) {
-        if (str[i] == '\\') {
-            i++;
-            continue;
-        }
-        if (str[i] == c) {
-            return (char*) str + i;
-        }
-    }
-    return NULL;
-}
-
-
-void
-sb_strv_free(char **strv)
-{
-    if (strv == NULL)
-        return;
-    for (size_t i = 0; strv[i] != NULL; i++)
-        free(strv[i]);
-    free(strv);
-}
-
-
-char*
-sb_strv_join(char **strv, const char *separator)
-{
-    if (strv == NULL || separator == NULL)
-        return NULL;
-    sb_string_t *str = sb_string_new();
-    for (size_t i = 0; strv[i] != NULL; i++) {
-        str = sb_string_append(str, strv[i]);
-        if (strv[i + 1] != NULL)
-            str = sb_string_append(str, separator);
-    }
-    return sb_string_free(str, false);
-}
-
-
-size_t
-sb_strv_length(char **strv)
-{
-    if (strv == NULL)
-        return 0;
-    size_t i;
-    for (i = 0; strv[i] != NULL; i++);
-    return i;
-}
-
-
-sb_string_t*
-sb_string_new(void)
-{
-    sb_string_t* rv = sb_malloc(sizeof(sb_string_t));
-    rv->str = NULL;
-    rv->len = 0;
-    rv->allocated_len = 0;
-
-    // initialize with empty string
-    rv = sb_string_append(rv, "");
-
-    return rv;
-}
-
-
-char*
-sb_string_free(sb_string_t *str, bool free_str)
-{
-    if (str == NULL)
-        return NULL;
-    char *rv = NULL;
-    if (free_str)
-        free(str->str);
-    else
-        rv = str->str;
-    free(str);
-    return rv;
-}
-
-
-sb_string_t*
-sb_string_dup(sb_string_t *str)
-{
-    if (str == NULL)
-        return NULL;
-    sb_string_t* new = sb_string_new();
-    return sb_string_append_len(new, str->str, str->len);
-}
-
-
-sb_string_t*
-sb_string_append_len(sb_string_t *str, const char *suffix, size_t len)
-{
-    if (str == NULL)
-        return NULL;
-    if (suffix == NULL)
-        return str;
-    size_t old_len = str->len;
-    str->len += len;
-    if (str->len + 1 > str->allocated_len) {
-        str->allocated_len = (((str->len + 1) / SB_STRING_CHUNK_SIZE) + 1) * SB_STRING_CHUNK_SIZE;
-        str->str = sb_realloc(str->str, str->allocated_len);
-    }
-    memcpy(str->str + old_len, suffix, len);
-    str->str[str->len] = '\0';
-    return str;
-}
-
-
-sb_string_t*
-sb_string_append(sb_string_t *str, const char *suffix)
-{
-    if (str == NULL)
-        return NULL;
-    const char *my_suffix = suffix == NULL ? "" : suffix;
-    return sb_string_append_len(str, my_suffix, strlen(my_suffix));
-}
-
-
-sb_string_t*
-sb_string_append_c(sb_string_t *str, char c)
-{
-    if (str == NULL)
-        return NULL;
-    size_t old_len = str->len;
-    str->len += 1;
-    if (str->len + 1 > str->allocated_len) {
-        str->allocated_len = (((str->len + 1) / SB_STRING_CHUNK_SIZE) + 1) * SB_STRING_CHUNK_SIZE;
-        str->str = sb_realloc(str->str, str->allocated_len);
-    }
-    str->str[old_len] = c;
-    str->str[str->len] = '\0';
-    return str;
-}
-
-
-sb_string_t*
-sb_string_append_printf(sb_string_t *str, const char *format, ...)
-{
-    if (str == NULL)
-        return NULL;
-    va_list ap;
-    va_start(ap, format);
-    char *tmp = sb_strdup_vprintf(format, ap);
-    va_end(ap);
-    str = sb_string_append(str, tmp);
-    free(tmp);
-    return str;
-}
-
-
-sb_string_t*
-sb_string_append_escaped(sb_string_t *str, const char *suffix)
-{
-    if (str == NULL)
-        return NULL;
-    if (suffix == NULL)
-        return str;
-    bool escaped = false;
-    for (size_t i = 0; suffix[i] != '\0'; i++) {
-        if (suffix[i] == '\\' && !escaped) {
-            escaped = true;
-            continue;
-        }
-        escaped = false;
-        str = sb_string_append_c(str, suffix[i]);
-    }
-    return str;
-}
-
-
-sb_trie_t*
-sb_trie_new(sb_free_func_t free_func)
-{
-    sb_trie_t *trie = sb_malloc(sizeof(sb_trie_t));
-    trie->root = NULL;
-    trie->free_func = free_func;
-    return trie;
-}
-
-
-static void
-sb_trie_free_node(sb_trie_t *trie, sb_trie_node_t *node)
-{
-    if (trie == NULL || node == NULL)
-        return;
-    if (node->data != NULL && trie->free_func != NULL)
-        trie->free_func(node->data);
-    sb_trie_free_node(trie, node->next);
-    sb_trie_free_node(trie, node->child);
-    free(node);
-}
-
-
-void
-sb_trie_free(sb_trie_t *trie)
-{
-    if (trie == NULL)
-        return;
-    sb_trie_free_node(trie, trie->root);
-    free(trie);
-}
-
-
-void
-sb_trie_insert(sb_trie_t *trie, const char *key, void *data)
-{
-    if (trie == NULL || key == NULL || data == NULL)
-        return;
-
-    sb_trie_node_t *parent = NULL;
-    sb_trie_node_t *previous;
-    sb_trie_node_t *current;
-    sb_trie_node_t *tmp;
-
-    while (1) {
-
-        if (trie->root == NULL || (parent != NULL && parent->child == NULL)) {
-            current = sb_malloc(sizeof(sb_trie_node_t));
-            current->key = *key;
-            current->data = NULL;
-            current->next = NULL;
-            current->child = NULL;
-            if (trie->root == NULL)
-                trie->root = current;
-            else
-                parent->child = current;
-            parent = current;
-            goto clean;
-        }
-
-        tmp = parent == NULL ? trie->root : parent->child;
-        previous = NULL;
-
-        while (tmp != NULL && tmp->key != *key) {
-            previous = tmp;
-            tmp = tmp->next;
-        }
-
-        parent = tmp;
-
-        if (previous == NULL || parent != NULL)
-            goto clean;
-
-        current = sb_malloc(sizeof(sb_trie_node_t));
-        current->key = *key;
-        current->data = NULL;
-        current->next = NULL;
-        current->child = NULL;
-        previous->next = current;
-        parent = current;
-
-clean:
-        if (*key == '\0') {
-            if (parent->data != NULL && trie->free_func != NULL)
-                trie->free_func(parent->data);
-            parent->data = data;
-            break;
-        }
-        key++;
-    }
-}
-
-
-void*
-sb_trie_lookup(sb_trie_t *trie, const char *key)
-{
-    if (trie == NULL || trie->root == NULL || key == NULL)
-        return NULL;
-
-    sb_trie_node_t *parent = trie->root;
-    sb_trie_node_t *tmp;
-    while (1) {
-        for (tmp = parent; tmp != NULL; tmp = tmp->next) {
-
-            if (tmp->key == *key) {
-                if (tmp->key == '\0')
-                    return tmp->data;
-                parent = tmp->child;
-                break;
-            }
-        }
-        if (tmp == NULL)
-            return NULL;
-
-        if (*key == '\0')
-            break;
-        key++;
-    }
-    return NULL;
-}
-
-
-static void
-sb_trie_size_node(sb_trie_node_t *node, size_t *count)
-{
-    if (node == NULL || count == NULL)
-        return;
-
-    if (node->key == '\0')
-        (*count)++;
-
-    sb_trie_size_node(node->next, count);
-    sb_trie_size_node(node->child, count);
-}
-
-
-size_t
-sb_trie_size(sb_trie_t *trie)
-{
-    if (trie == NULL)
-        return 0;
-
-    size_t count = 0;
-    sb_trie_size_node(trie->root, &count);
-    return count;
-}
-
-
-static void
-sb_trie_foreach_node(sb_trie_node_t *node, sb_string_t *str,
-    sb_trie_foreach_func_t func, void *user_data)
-{
-    if (node == NULL || str == NULL || func == NULL)
-        return;
-
-    if (node->key == '\0') {
-        func(str->str, node->data, user_data);
-        return;
-    }
-
-    if (node->child != NULL) {
-        sb_string_t *child = sb_string_dup(str);
-        child = sb_string_append_c(child, node->key);
-        sb_trie_foreach_node(node->child, child, func, user_data);
-        sb_string_free(child, true);
-    }
-
-    if (node->next != NULL)
-        sb_trie_foreach_node(node->next, str, func, user_data);
-}
-
-
-void
-sb_trie_foreach(sb_trie_t *trie, sb_trie_foreach_func_t func,
-    void *user_data)
-{
-    if (trie == NULL || trie->root == NULL || func == NULL)
-        return;
-
-    sb_string_t *str = sb_string_new();
-    sb_trie_foreach_node(trie->root, str, func, user_data);
-    sb_string_free(str, true);
-}
-- 
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