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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 CC = gcc
CFLAGS = -Wall -pedantic -O2 CFLAGS = -Wall -pedantic -O2

19
README.md
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@ -17,8 +17,8 @@ Features
* Basic support for multi-frame images * Basic support for multi-frame images
* Display image information in window title * Display image information in window title
Additional features, that need to be included at compile-time--see next section Additional features, that need to be included at compile-time--see section
on how to enable them: *Installation* on how to enable them:
* Play GIF animations * Play GIF animations
* Auto-orientate JPEG images according to their EXIF tags * 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 Additional features
------------------- -------------------
The XFLAGS and XLIBS macros/environment variables control which additional The XFLAGS and XLIBS macros control which additional features (non-default
features (i.e. non-default compile-time features) should be enabled and compile-time features) should be enabled and included during compilation.
included during compilation.
The following table lists the available additional features--the column The following table lists the available additional features--the column
*Requires* indicates, which libraries need to be installed for a feature; the *Requires* indicates, which libraries need to be installed for a feature; the
columns *XFLAGS* and *XLIBS* show, what needs to be added to these columns *XFLAGS* and *XLIBS* show, what needs to be added to these macros to
macros/environment variables to enable the corresponding feature: enable the corresponding feature:
Feature | Requires | XFLAGS | XLIBS Feature | Requires | XFLAGS | XLIBS
----------------------------------+----------+----------------+-------- ----------------------------------+----------+----------------+--------
@ -87,9 +86,9 @@ Or you need to run the following commands before building sxiv:
Usage Usage
===== =====
sxiv has two modes of operation: image and thumbnail mode. The default is image sxiv has two modes of operation: image and thumbnail mode. The default is
mode, in which only the current image is shown. In thumbnail mode a grid of image mode, in which only the current image is shown. In thumbnail mode a grid
small previews is displayed, making it easy to choose an image to open. of small previews is displayed, making it easy to choose an image to open.
sxiv supports the following command-line options: sxiv supports the following command-line options:

20
options.c
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@ -33,11 +33,24 @@ options_t _options;
const options_t *options = (const options_t*) &_options; const options_t *options = (const options_t*) &_options;
void print_usage() { 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() { 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) { 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", fprintf(stderr, "sxiv: invalid argument for option -z: %s\n",
optarg); optarg);
exit(1); exit(1);
} else {
_options.zoom = z / 100.0;
} }
_options.zoom = z / 100.0;
break; break;
} }
} }