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List additional features in usage message (-v)

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Bert 2011-09-10 12:29:54 +02:00
parent 6e575b0f72
commit 79d780a701
3 changed files with 26 additions and 15 deletions
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2
Makefile
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@ -1,4 +1,4 @@
VERSION = git-20110908
VERSION = git-20110910
CC = gcc
CFLAGS = -Wall -pedantic -O2

19
README.md
View file

@ -17,8 +17,8 @@ Features
* Basic support for multi-frame images
* Display image information in window title
Additional features, that need to be included at compile-time--see next section
on how to enable them:
Additional features, that need to be included at compile-time--see section
*Installation* on how to enable them:
* Play GIF animations
* Auto-orientate JPEG images according to their EXIF tags
@ -57,14 +57,13 @@ check and change them, so that they fit your needs.
Additional features
-------------------
The XFLAGS and XLIBS macros/environment variables control which additional
features (i.e. non-default compile-time features) should be enabled and
included during compilation.
The XFLAGS and XLIBS macros control which additional features (non-default
compile-time features) should be enabled and included during compilation.
The following table lists the available additional features--the column
*Requires* indicates, which libraries need to be installed for a feature; the
columns *XFLAGS* and *XLIBS* show, what needs to be added to these
macros/environment variables to enable the corresponding feature:
columns *XFLAGS* and *XLIBS* show, what needs to be added to these macros to
enable the corresponding feature:
Feature | Requires | XFLAGS | XLIBS
----------------------------------+----------+----------------+--------
@ -87,9 +86,9 @@ Or you need to run the following commands before building sxiv:
Usage
=====
sxiv has two modes of operation: image and thumbnail mode. The default is image
mode, in which only the current image is shown. In thumbnail mode a grid of
small previews is displayed, making it easy to choose an image to open.
sxiv has two modes of operation: image and thumbnail mode. The default is
image mode, in which only the current image is shown. In thumbnail mode a grid
of small previews is displayed, making it easy to choose an image to open.
sxiv supports the following command-line options:

20
options.c
View file

@ -33,11 +33,24 @@ options_t _options;
const options_t *options = (const options_t*) &_options;
void print_usage() {
printf("usage: sxiv [-cdFfhpqrstvZ] [-g GEOMETRY] [-n NUM] [-z ZOOM] FILES...\n");
printf("usage: sxiv [-cdFfhpqrstvZ] [-g GEOMETRY] [-n NUM] "
"[-z ZOOM] FILES...\n");
}
void print_version() {
printf("sxiv %s - simple x image viewer\n", VERSION);
printf("sxiv %s - Simple X Image Viewer\n", VERSION);
printf("Additional features included (+) or not (-): %s, %s\n",
#ifdef EXIF_SUPPORT
"+exif",
#else
"-exif",
#endif
#ifdef GIF_SUPPORT
"+gif"
#else
"-gif"
#endif
);
}
void parse_options(int argc, char **argv) {
@ -119,9 +132,8 @@ void parse_options(int argc, char **argv) {
fprintf(stderr, "sxiv: invalid argument for option -z: %s\n",
optarg);
exit(1);
} else {
_options.zoom = z / 100.0;
}
_options.zoom = z / 100.0;
break;
}
}