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Use system inih if available

Browse source 
* inih is now widely available as a system library
* if not, a fallback from Wrap DB can be used

Signed-off-by: Stephan Lachnit <stephanlachnit@protonmail.com>
This commit is contained in:
Stephan Lachnit 2020-02-28 10:41:01 +01:00 committed by Harry Jeffery
parent 82960d3c41
commit 84a1f7aa83
8 changed files with 13 additions and 355 deletions
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1
.builds/archlinux.yml
View file

@ -8,6 +8,7 @@ packages:
- icu
- libglvnd
- libheif
- libinih
- libjpeg-turbo
- libnsgif
- libpng

1
.builds/debian.yml
View file

@ -8,6 +8,7 @@ packages:
- libglu-dev
- libheif-dev
- libicu-dev
- libinih-dev
- libpango1.0-dev
- libpng-dev
- librsvg2-dev

1
.builds/fedora.yml
View file

@ -3,6 +3,7 @@ packages:
- asciidoc
- clang
- freeimage-devel
- inih
- libX11-devel
- libcmocka-devel
- libicu-devel

1
.builds/ubuntu.yml
View file

@ -8,6 +8,7 @@ packages:
- libglu-dev
- libheif-dev
- libicu-dev
- libinih-dev
- libpango1.0-dev
- libpng-dev
- librsvg2-dev

2
meson.build
View file

@ -43,6 +43,7 @@ deps_for_imv = [
dependency('threads'),
dependency('xkbcommon'),
dependency('icu-io'),
dependency('inih', fallback : ['inih', 'inih_dep']),
]
files_common = files(
@ -53,7 +54,6 @@ files_common = files(
'src/console.c',
'src/image.c',
'src/imv.c',
'src/ini.c',
'src/ipc.c',
'src/ipc_common.c',
'src/keyboard.c',

244
src/ini.c
View file

@ -1,244 +0,0 @@
/* inih -- simple .INI file parser
inih is released under the New BSD license (see LICENSE.txt). Go to the project
home page for more info:
https://github.com/benhoyt/inih
*/
#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "ini.h"
#if !INI_USE_STACK
#include <stdlib.h>
#endif
#define MAX_SECTION 50
#define MAX_NAME 50
/* Used by ini_parse_string() to keep track of string parsing state. */
typedef struct {
const char* ptr;
size_t num_left;
} ini_parse_string_ctx;
/* Strip whitespace chars off end of given string, in place. Return s. */
static char* rstrip(char* s)
{
char* p = s + strlen(s);
while (p > s && isspace((unsigned char)(*--p)))
*p = '\0';
return s;
}
/* Return pointer to first non-whitespace char in given string. */
static char* lskip(const char* s)
{
while (*s && isspace((unsigned char)(*s)))
s++;
return (char*)s;
}
/* Return pointer to first char (of chars) or inline comment in given string,
or pointer to null at end of string if neither found. Inline comment must
be prefixed by a whitespace character to register as a comment. */
static char* find_chars_or_comment(const char* s, const char* chars)
{
#if INI_ALLOW_INLINE_COMMENTS
int was_space = 0;
while (*s && (!chars || !strchr(chars, *s)) &&
!(was_space && strchr(INI_INLINE_COMMENT_PREFIXES, *s))) {
was_space = isspace((unsigned char)(*s));
s++;
}
#else
while (*s && (!chars || !strchr(chars, *s))) {
s++;
}
#endif
return (char*)s;
}
/* Version of strncpy that ensures dest (size bytes) is null-terminated. */
static char* strncpy0(char* dest, const char* src, size_t size)
{
strncpy(dest, src, size);
dest[size - 1] = '\0';
return dest;
}
/* See documentation in header file. */
int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
void* user)
{
/* Uses a fair bit of stack (use heap instead if you need to) */
#if INI_USE_STACK
char line[INI_MAX_LINE];
#else
char* line;
#endif
char section[MAX_SECTION] = "";
char prev_name[MAX_NAME] = "";
char* start;
char* end;
char* name;
char* value;
int lineno = 0;
int error = 0;
#if !INI_USE_STACK
line = (char*)malloc(INI_MAX_LINE);
if (!line) {
return -2;
}
#endif
#if INI_HANDLER_LINENO
#define HANDLER(u, s, n, v) handler(u, s, n, v, lineno)
#else
#define HANDLER(u, s, n, v) handler(u, s, n, v)
#endif
/* Scan through stream line by line */
while (reader(line, INI_MAX_LINE, stream) != NULL) {
lineno++;
start = line;
#if INI_ALLOW_BOM
if (lineno == 1 && (unsigned char)start[0] == 0xEF &&
(unsigned char)start[1] == 0xBB &&
(unsigned char)start[2] == 0xBF) {
start += 3;
}
#endif
start = lskip(rstrip(start));
if (*start == ';' || *start == '#') {
/* Per Python configparser, allow both ; and # comments at the
start of a line */
}
#if INI_ALLOW_MULTILINE
else if (*prev_name && *start && start > line) {
/* Non-blank line with leading whitespace, treat as continuation
of previous name's value (as per Python configparser). */
if (!HANDLER(user, section, prev_name, start) && !error)
error = lineno;
}
#endif
else if (*start == '[') {
/* A "[section]" line */
end = find_chars_or_comment(start + 1, "]");
if (*end == ']') {
*end = '\0';
strncpy0(section, start + 1, sizeof(section));
*prev_name = '\0';
}
else if (!error) {
/* No ']' found on section line */
error = lineno;
}
}
else if (*start) {
/* Not a comment, must be a name[=:]value pair */
end = find_chars_or_comment(start, "=:");
if (*end == '=' || *end == ':') {
*end = '\0';
name = rstrip(start);
value = end + 1;
#if INI_ALLOW_INLINE_COMMENTS
end = find_chars_or_comment(value, NULL);
if (*end)
*end = '\0';
#endif
value = lskip(value);
rstrip(value);
/* Valid name[=:]value pair found, call handler */
strncpy0(prev_name, name, sizeof(prev_name));
if (!HANDLER(user, section, name, value) && !error)
error = lineno;
}
else if (!error) {
/* No '=' or ':' found on name[=:]value line */
error = lineno;
}
}
#if INI_STOP_ON_FIRST_ERROR
if (error)
break;
#endif
}
#if !INI_USE_STACK
free(line);
#endif
return error;
}
/* See documentation in header file. */
int ini_parse_file(FILE* file, ini_handler handler, void* user)
{
return ini_parse_stream((ini_reader)fgets, file, handler, user);
}
/* See documentation in header file. */
int ini_parse(const char* filename, ini_handler handler, void* user)
{
FILE* file;
int error;
file = fopen(filename, "r");
if (!file)
return -1;
error = ini_parse_file(file, handler, user);
fclose(file);
return error;
}
/* An ini_reader function to read the next line from a string buffer. This
is the fgets() equivalent used by ini_parse_string(). */
static char* ini_reader_string(char* str, int num, void* stream) {
ini_parse_string_ctx* ctx = (ini_parse_string_ctx*)stream;
const char* ctx_ptr = ctx->ptr;
size_t ctx_num_left = ctx->num_left;
char* strp = str;
char c;
if (ctx_num_left == 0 || num < 2)
return NULL;
while (num > 1 && ctx_num_left != 0) {
c = *ctx_ptr++;
ctx_num_left--;
*strp++ = c;
if (c == '\n')
break;
num--;
}
*strp = '\0';
ctx->ptr = ctx_ptr;
ctx->num_left = ctx_num_left;
return str;
}
/* See documentation in header file. */
int ini_parse_string(const char* string, ini_handler handler, void* user) {
ini_parse_string_ctx ctx;
ctx.ptr = string;
ctx.num_left = strlen(string);
return ini_parse_stream((ini_reader)ini_reader_string, &ctx, handler,
user);
}

110
src/ini.h
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@ -1,110 +0,0 @@
/* inih -- simple .INI file parser
inih is released under the New BSD license (see LICENSE.txt). Go to the project
home page for more info:
https://github.com/benhoyt/inih
*/
#ifndef __INI_H__
#define __INI_H__
/* Make this header file easier to include in C++ code */
#ifdef __cplusplus
extern "C" {
#endif
#include <stdio.h>
/* Nonzero if ini_handler callback should accept lineno parameter. */
#ifndef INI_HANDLER_LINENO
#define INI_HANDLER_LINENO 0
#endif
/* Typedef for prototype of handler function. */
#if INI_HANDLER_LINENO
typedef int (*ini_handler)(void* user, const char* section,
const char* name, const char* value,
int lineno);
#else
typedef int (*ini_handler)(void* user, const char* section,
const char* name, const char* value);
#endif
/* Typedef for prototype of fgets-style reader function. */
typedef char* (*ini_reader)(char* str, int num, void* stream);
/* Parse given INI-style file. May have [section]s, name=value pairs
(whitespace stripped), and comments starting with ';' (semicolon). Section
is "" if name=value pair parsed before any section heading. name:value
pairs are also supported as a concession to Python's configparser.
For each name=value pair parsed, call handler function with given user
pointer as well as section, name, and value (data only valid for duration
of handler call). Handler should return nonzero on success, zero on error.
Returns 0 on success, line number of first error on parse error (doesn't
stop on first error), -1 on file open error, or -2 on memory allocation
error (only when INI_USE_STACK is zero).
*/
int ini_parse(const char* filename, ini_handler handler, void* user);
/* Same as ini_parse(), but takes a FILE* instead of filename. This doesn't
close the file when it's finished -- the caller must do that. */
int ini_parse_file(FILE* file, ini_handler handler, void* user);
/* Same as ini_parse(), but takes an ini_reader function pointer instead of
filename. Used for implementing custom or string-based I/O (see also
ini_parse_string). */
int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
void* user);
/* Same as ini_parse(), but takes a zero-terminated string with the INI data
instead of a file. Useful for parsing INI data from a network socket or
already in memory. */
int ini_parse_string(const char* string, ini_handler handler, void* user);
/* Nonzero to allow multi-line value parsing, in the style of Python's
configparser. If allowed, ini_parse() will call the handler with the same
name for each subsequent line parsed. */
#ifndef INI_ALLOW_MULTILINE
#define INI_ALLOW_MULTILINE 1
#endif
/* Nonzero to allow a UTF-8 BOM sequence (0xEF 0xBB 0xBF) at the start of
the file. See http://code.google.com/p/inih/issues/detail?id=21 */
#ifndef INI_ALLOW_BOM
#define INI_ALLOW_BOM 1
#endif
/* Nonzero to allow inline comments (with valid inline comment characters
specified by INI_INLINE_COMMENT_PREFIXES). Set to 0 to turn off and match
Python 3.2+ configparser behaviour. */
#ifndef INI_ALLOW_INLINE_COMMENTS
#define INI_ALLOW_INLINE_COMMENTS 1
#endif
#ifndef INI_INLINE_COMMENT_PREFIXES
#define INI_INLINE_COMMENT_PREFIXES ";"
#endif
/* Nonzero to use stack, zero to use heap (malloc/free). */
#ifndef INI_USE_STACK
#define INI_USE_STACK 1
#endif
/* Stop parsing on first error (default is to keep parsing). */
#ifndef INI_STOP_ON_FIRST_ERROR
#define INI_STOP_ON_FIRST_ERROR 0
#endif
/* Maximum line length for any line in INI file. */
#ifndef INI_MAX_LINE
#define INI_MAX_LINE 200
#endif
#ifdef __cplusplus
}
#endif
#endif /* __INI_H__ */

8
subprojects/inih.wrap Normal file
View file

@ -0,0 +1,8 @@
[wrap-file]
directory = inih-r52
source_url = https://github.com/benhoyt/inih/archive/r52.tar.gz
source_filename = r52.tar.gz
source_hash = 439cff9ce9a8afc52d08772ac3e93b3cecd79c7707f871fb4534fb3a48201880
patch_url = https://wrapdb.mesonbuild.com/v1/projects/inih/r52/1/get_zip
patch_filename = inih-r52-1-wrap.zip
patch_hash = b37abc23f1b558d1d28d47fc0c81295950e4fa2f236de35c41c505dccc422f7a